4937 lines
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4937 lines
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 <span id="projectnumber">8.0</span>
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<a href="search_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <functional></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <list></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <queue></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <utility></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "absl/base/casts.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "absl/strings/str_join.h"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "absl/time/time.h"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="bitmap_8h.html">ortools/base/bitmap.h</a>"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="commandlineflags_8h.html">ortools/base/commandlineflags.h</a>"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="hash_8h.html">ortools/base/hash.h</a>"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="macros_8h.html">ortools/base/macros.h</a>"</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "<a class="code" href="mathutil_8h.html">ortools/base/mathutil.h</a>"</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "<a class="code" href="stl__util_8h.html">ortools/base/stl_util.h</a>"</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "<a class="code" href="timer_8h.html">ortools/base/timer.h</a>"</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="constraint__solver_8h.html">ortools/constraint_solver/constraint_solver.h</a>"</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "<a class="code" href="constraint__solveri_8h.html">ortools/constraint_solver/constraint_solveri.h</a>"</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "<a class="code" href="search__limit_8pb_8h.html">ortools/constraint_solver/search_limit.pb.h</a>"</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include "<a class="code" href="string__array_8h.html">ortools/util/string_array.h</a>"</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
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<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="search_8cc.html#a9b16db7d2bc20b77514471f3caf78650"> 45</a></span> <a class="code" href="search_8cc.html#a9b16db7d2bc20b77514471f3caf78650">DEFINE_bool</a>(cp_use_sparse_gls_penalties, <span class="keyword">false</span>,</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="stringliteral">"Use sparse implementation to store Guided Local Search penalties"</span>);</div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="search_8cc.html#ae4c2af96650ebf7abe0bfc09a56e8e32"> 47</a></span> <a class="code" href="search_8cc.html#a9b16db7d2bc20b77514471f3caf78650">DEFINE_bool</a>(cp_log_to_vlog, <span class="keyword">false</span>,</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="stringliteral">"Whether search related logging should be "</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="stringliteral">"vlog or info."</span>);</div>
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<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="search_8cc.html#aef33aa22a496a9004f8f240cb6e3dcc4"> 50</a></span> <a class="code" href="search_8cc.html#aef33aa22a496a9004f8f240cb6e3dcc4">DEFINE_int64</a>(cp_large_domain_no_splitting_limit, 0xFFFFF,</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="stringliteral">"Size limit to allow holes in variables from the strategy."</span>);</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// ---------- Search Log ---------</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#abcb5ea97dd20da34d28e62a1ab2fda27"> 56</a></span> <a class="code" href="classoperations__research_1_1_search_log.html#abcb5ea97dd20da34d28e62a1ab2fda27">SearchLog::SearchLog</a>(Solver* <span class="keyword">const</span> s, OptimizeVar* <span class="keyword">const</span> obj, IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>,</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">double</span> scaling_factor, <span class="keywordtype">double</span> offset,</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  std::function<std::string()> display_callback, <span class="keywordtype">int</span> period)</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  : SearchMonitor(s),</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  period_(period),</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  timer_(new <a class="code" href="class_wall_timer.html">WallTimer</a>),</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  var_(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>),</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  obj_(obj),</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  scaling_factor_(scaling_factor),</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="interval_8cc.html#a1e6e18599bc7057307916e1f810f83a8">offset_</a>(offset),</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  display_callback_(std::move(display_callback)),</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  nsol_(0),</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  tick_(0),</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  objective_min_(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>),</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  objective_max_(<a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>),</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  min_right_depth_(<a class="code" href="integral__types_8h.html#ab0cfc59ab5792086f6f8b9234320fd33">kint32max</a>),</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  max_depth_(0),</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  sliding_min_depth_(0),</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  sliding_max_depth_(0) {</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  CHECK(obj == <span class="keyword">nullptr</span> || <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> == <span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  << <span class="stringliteral">"Either var or obj need to be nullptr."</span>;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#a6f54fc4f2d59c38d5929533887fa5ddd"> 79</a></span> <a class="code" href="classoperations__research_1_1_search_log.html#a6f54fc4f2d59c38d5929533887fa5ddd">SearchLog::~SearchLog</a>() {}</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#aed804747c45a7e1caf81461f9e45dd91"> 81</a></span> std::string <a class="code" href="classoperations__research_1_1_search_log.html#aed804747c45a7e1caf81461f9e45dd91">SearchLog::DebugString</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"SearchLog"</span>; }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#a0c955ff1b2eae2daece0f25f1e57fb16"> 83</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#a0c955ff1b2eae2daece0f25f1e57fb16">SearchLog::EnterSearch</a>() {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">const</span> std::string buffer =</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  absl::StrFormat(<span class="stringliteral">"Start search (%s)"</span>, MemoryUsage());</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="classoperations__research_1_1_search_log.html#a07391d3ad09f3ee9aa62fd5754a95d30">OutputLine</a>(buffer);</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  timer_->Restart();</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  min_right_depth_ = <a class="code" href="integral__types_8h.html#ab0cfc59ab5792086f6f8b9234320fd33">kint32max</a>;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#a4d07aaa3fe401d52e938c2f8f7f2e26f"> 91</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#a4d07aaa3fe401d52e938c2f8f7f2e26f">SearchLog::ExitSearch</a>() {</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> branches = solver()->branches();</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ms = timer_->GetInMs();</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (ms == 0) {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  ms = 1;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> std::string buffer = absl::StrFormat(</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="stringliteral">"End search (time = %d ms, branches = %d, failures = %d, %s, speed = %d "</span></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="stringliteral">"branches/s)"</span>,</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  ms, branches, solver()->failures(), MemoryUsage(), branches * 1000 / ms);</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="classoperations__research_1_1_search_log.html#a07391d3ad09f3ee9aa62fd5754a95d30">OutputLine</a>(buffer);</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> }</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  </div>
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<div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#ab3631067f88ccc24c5db6a8a0dc64e47"> 104</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_search_log.html#ab3631067f88ccc24c5db6a8a0dc64e47">SearchLog::AtSolution</a>() {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="classoperations__research_1_1_search_log.html#aa776d47ceec0ae7dceb9723a0fc82fb3">Maintain</a>();</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> depth = solver()->SearchDepth();</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  std::string obj_str = <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> current = 0;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">bool</span> objective_updated = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">const</span> <span class="keyword">auto</span> scaled_str = [<span class="keyword">this</span>](<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (scaling_factor_ != 1.0 || offset_ != 0.0) {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"%d (%.8lf)"</span>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>,</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  scaling_factor_ * (<a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> + offset_));</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> absl::StrCat(<a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  };</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (obj_ != <span class="keyword">nullptr</span> && obj_->Var()->Bound()) {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  current = obj_->Var()->Value();</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  obj_str = obj_->Print();</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  objective_updated = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (var_ != <span class="keyword">nullptr</span> && var_->Bound()) {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  current = var_->Value();</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  absl::StrAppend(&obj_str, scaled_str(current), <span class="stringliteral">", "</span>);</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  objective_updated = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  current = solver()->GetOrCreateLocalSearchState()->ObjectiveMin();</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  absl::StrAppend(&obj_str, scaled_str(current), <span class="stringliteral">", "</span>);</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  objective_updated = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (objective_updated) {</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (current > objective_min_) {</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  absl::StrAppend(&obj_str,</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="stringliteral">"objective minimum = "</span>, scaled_str(objective_min_), <span class="stringliteral">", "</span>);</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  objective_min_ = current;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (current < objective_max_) {</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  absl::StrAppend(&obj_str,</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="stringliteral">"objective maximum = "</span>, scaled_str(objective_max_), <span class="stringliteral">", "</span>);</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  objective_max_ = current;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
|
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  std::string log;</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  absl::StrAppendFormat(&log,</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="stringliteral">"Solution #%d (%stime = %d ms, branches = %d,"</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="stringliteral">" failures = %d, depth = %d"</span>,</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  nsol_++, obj_str, timer_->GetInMs(),</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  solver()->branches(), solver()->failures(), depth);</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (!solver()->SearchContext().empty()) {</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  absl::StrAppendFormat(&log, <span class="stringliteral">", %s"</span>, solver()->SearchContext());</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
|
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (solver()->neighbors() != 0) {</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  absl::StrAppendFormat(&log,</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="stringliteral">", neighbors = %d, filtered neighbors = %d,"</span></div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="stringliteral">" accepted neighbors = %d"</span>,</div>
|
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  solver()->neighbors(), solver()->filtered_neighbors(),</div>
|
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  solver()->accepted_neighbors());</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div>
|
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  absl::StrAppendFormat(&log, <span class="stringliteral">", %s"</span>, MemoryUsage());</div>
|
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> progress = solver()->TopProgressPercent();</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (progress != SearchMonitor::kNoProgress) {</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  absl::StrAppendFormat(&log, <span class="stringliteral">", limit = %d%%"</span>, progress);</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> (display_callback_) {</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  absl::StrAppendFormat(&log, <span class="stringliteral">", %s"</span>, display_callback_());</div>
|
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  log.append(<span class="stringliteral">")"</span>);</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="classoperations__research_1_1_search_log.html#a07391d3ad09f3ee9aa62fd5754a95d30">OutputLine</a>(log);</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> }</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
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<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#afc36af1852ba6e2dbe650aa172e4c680"> 174</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#afc36af1852ba6e2dbe650aa172e4c680">SearchLog::AcceptUncheckedNeighbor</a>() { <a class="code" href="classoperations__research_1_1_search_log.html#ab3631067f88ccc24c5db6a8a0dc64e47">AtSolution</a>(); }</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
|
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<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#a00e1c5e76ceb9b425ddea62748673d9b"> 176</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#a00e1c5e76ceb9b425ddea62748673d9b">SearchLog::BeginFail</a>() { <a class="code" href="classoperations__research_1_1_search_log.html#aa776d47ceec0ae7dceb9723a0fc82fb3">Maintain</a>(); }</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
|
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<div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#a970b194bb0e12ae42db1f1b3ca7ba43e"> 178</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#a970b194bb0e12ae42db1f1b3ca7ba43e">SearchLog::NoMoreSolutions</a>() {</div>
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|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  std::string buffer = absl::StrFormat(</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="stringliteral">"Finished search tree (time = %d ms, branches = %d,"</span></div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="stringliteral">" failures = %d"</span>,</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  timer_->GetInMs(), solver()->branches(), solver()->failures());</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> (solver()->neighbors() != 0) {</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  absl::StrAppendFormat(&buffer,</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="stringliteral">", neighbors = %d, filtered neighbors = %d,"</span></div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="stringliteral">" accepted neigbors = %d"</span>,</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  solver()->neighbors(), solver()->filtered_neighbors(),</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  solver()->accepted_neighbors());</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  absl::StrAppendFormat(&buffer, <span class="stringliteral">", %s)"</span>, MemoryUsage());</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="classoperations__research_1_1_search_log.html#a07391d3ad09f3ee9aa62fd5754a95d30">OutputLine</a>(buffer);</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> }</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div>
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<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#a9af93e0c2f02218bf4e586dda448fabe"> 194</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#a9af93e0c2f02218bf4e586dda448fabe">SearchLog::ApplyDecision</a>(Decision* <span class="keyword">const</span> decision) {</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="classoperations__research_1_1_search_log.html#aa776d47ceec0ae7dceb9723a0fc82fb3">Maintain</a>();</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> = solver()->branches();</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (<a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> % period_ == 0 && <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> > 0) {</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="classoperations__research_1_1_search_log.html#ae26cecfdf81054f0b85943d0f9e8b7ac">OutputDecision</a>();</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> }</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div>
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<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#a363e3361f6a6b52343e69cbff81deff5"> 202</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#a363e3361f6a6b52343e69cbff81deff5">SearchLog::RefuteDecision</a>(Decision* <span class="keyword">const</span> decision) {</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  min_right_depth_ = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(min_right_depth_, solver()->SearchDepth());</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="classoperations__research_1_1_search_log.html#a9af93e0c2f02218bf4e586dda448fabe">ApplyDecision</a>(decision);</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
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<div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#ae26cecfdf81054f0b85943d0f9e8b7ac"> 207</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#ae26cecfdf81054f0b85943d0f9e8b7ac">SearchLog::OutputDecision</a>() {</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  std::string buffer =</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  absl::StrFormat(<span class="stringliteral">"%d branches, %d ms, %d failures"</span>, solver()->branches(),</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  timer_->GetInMs(), solver()->failures());</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> (min_right_depth_ != <a class="code" href="integral__types_8h.html#ab0cfc59ab5792086f6f8b9234320fd33">kint32max</a> && max_depth_ != 0) {</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> depth = solver()->SearchDepth();</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  absl::StrAppendFormat(&buffer, <span class="stringliteral">", tree pos=%d/%d/%d minref=%d max=%d"</span>,</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  sliding_min_depth_, depth, sliding_max_depth_,</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  min_right_depth_, max_depth_);</div>
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|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  sliding_min_depth_ = depth;</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  sliding_max_depth_ = depth;</div>
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|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> (obj_ != <span class="keyword">nullptr</span> && objective_min_ != <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a> &&</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  objective_max_ != <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>) {</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  absl::StrAppendFormat(&buffer,</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="stringliteral">", objective minimum = %d"</span></div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="stringliteral">", objective maximum = %d"</span>,</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  objective_min_, objective_max_);</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> progress = solver()->TopProgressPercent();</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">if</span> (progress != SearchMonitor::kNoProgress) {</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  absl::StrAppendFormat(&buffer, <span class="stringliteral">", limit = %d%%"</span>, progress);</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="classoperations__research_1_1_search_log.html#a07391d3ad09f3ee9aa62fd5754a95d30">OutputLine</a>(buffer);</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> }</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
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<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#aa776d47ceec0ae7dceb9723a0fc82fb3"> 233</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#aa776d47ceec0ae7dceb9723a0fc82fb3">SearchLog::Maintain</a>() {</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> current_depth = solver()->SearchDepth();</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  sliding_min_depth_ = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(current_depth, sliding_min_depth_);</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  sliding_max_depth_ = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(current_depth, sliding_max_depth_);</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  max_depth_ = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(current_depth, max_depth_);</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> }</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  </div>
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<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#a73895ddf1e732b9d3fa365f05977c8a6"> 240</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#a73895ddf1e732b9d3fa365f05977c8a6">SearchLog::BeginInitialPropagation</a>() { tick_ = timer_->GetInMs(); }</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  </div>
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<div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#afe2b705fd5af7c1c6812f69e9a9dcdf1"> 242</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#afe2b705fd5af7c1c6812f69e9a9dcdf1">SearchLog::EndInitialPropagation</a>() {</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> = std::max<int64>(timer_->GetInMs() - tick_, 0);</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">const</span> std::string buffer = absl::StrFormat(</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="stringliteral">"Root node processed (time = %d ms, constraints = %d, %s)"</span>, <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>,</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  solver()->constraints(), MemoryUsage());</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <a class="code" href="classoperations__research_1_1_search_log.html#a07391d3ad09f3ee9aa62fd5754a95d30">OutputLine</a>(buffer);</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
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<div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_search_log.html#a07391d3ad09f3ee9aa62fd5754a95d30"> 250</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_search_log.html#a07391d3ad09f3ee9aa62fd5754a95d30">SearchLog::OutputLine</a>(<span class="keyword">const</span> std::string& line) {</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">if</span> (FLAGS_cp_log_to_vlog) {</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  VLOG(1) << line;</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  LOG(INFO) << line;</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> }</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> std::string SearchLog::MemoryUsage() {</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> kDisplayThreshold = 2;</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> kKiloByte = 1024;</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> kMegaByte = kKiloByte * kKiloByte;</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> kGigaByte = kMegaByte * kKiloByte;</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> memory_usage = <a class="code" href="base_2sysinfo_8h.html#af9b24d4d5b14da2448fa98ed733e0420">Solver::MemoryUsage</a>();</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">if</span> (memory_usage > kDisplayThreshold * kGigaByte) {</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"memory used = %.2lf GB"</span>,</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  memory_usage * 1.0 / kGigaByte);</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (memory_usage > kDisplayThreshold * kMegaByte) {</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"memory used = %.2lf MB"</span>,</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  memory_usage * 1.0 / kMegaByte);</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (memory_usage > kDisplayThreshold * kKiloByte) {</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"memory used = %2lf KB"</span>,</div>
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|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  memory_usage * 1.0 / kKiloByte);</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"memory used = %d"</span>, memory_usage);</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  }</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> }</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> SearchMonitor* Solver::MakeSearchLog(<span class="keywordtype">int</span> branch_period) {</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keyword">new</span> SearchLog(<span class="keyword">this</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, 1.0, 0.0, <span class="keyword">nullptr</span>, branch_period));</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> }</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  </div>
|
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> SearchMonitor* Solver::MakeSearchLog(<span class="keywordtype">int</span> branch_period, IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>) {</div>
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|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">new</span> SearchLog(<span class="keyword">this</span>, <span class="keyword">nullptr</span>, <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, 1.0, 0.0, <span class="keyword">nullptr</span>, branch_period));</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
|
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> SearchMonitor* Solver::MakeSearchLog(</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordtype">int</span> branch_period, std::function<std::string()> display_callback) {</div>
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|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SearchLog(<span class="keyword">this</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, 1.0, 0.0,</div>
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|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  std::move(display_callback), branch_period));</div>
|
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> }</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  </div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> SearchMonitor* Solver::MakeSearchLog(</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordtype">int</span> branch_period, IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>,</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  std::function<std::string()> display_callback) {</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SearchLog(<span class="keyword">this</span>, <span class="keyword">nullptr</span>, <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, 1.0, 0.0,</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  std::move(display_callback), branch_period));</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> }</div>
|
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
|
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> SearchMonitor* Solver::MakeSearchLog(<span class="keywordtype">int</span> branch_period,</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  OptimizeVar* <span class="keyword">const</span> opt_var) {</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keyword">new</span> SearchLog(<span class="keyword">this</span>, opt_var, <span class="keyword">nullptr</span>, 1.0, 0.0, <span class="keyword">nullptr</span>, branch_period));</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> }</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
|
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> SearchMonitor* Solver::MakeSearchLog(</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">int</span> branch_period, OptimizeVar* <span class="keyword">const</span> opt_var,</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  std::function<std::string()> display_callback) {</div>
|
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SearchLog(<span class="keyword">this</span>, opt_var, <span class="keyword">nullptr</span>, 1.0, 0.0,</div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  std::move(display_callback), branch_period));</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> }</div>
|
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  </div>
|
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> SearchMonitor* Solver::MakeSearchLog(SearchLogParameters <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) {</div>
|
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SearchLog(<span class="keyword">this</span>, <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.objective, <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.variable,</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.scaling_factor, <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.offset,</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  std::move(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.display_callback),</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.branch_period));</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> }</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
|
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment">// ---------- Search Trace ----------</span></div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="keyword">class </span>SearchTrace : <span class="keyword">public</span> SearchMonitor {</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  SearchTrace(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::string& prefix)</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  : SearchMonitor(s), prefix_(prefix) {}</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  ~SearchTrace()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  </div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordtype">void</span> EnterSearch()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" EnterSearch("</span> << solver()->SolveDepth() << <span class="stringliteral">")"</span>;</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordtype">void</span> RestartSearch()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" RestartSearch("</span> << solver()->SolveDepth() << <span class="stringliteral">")"</span>;</div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordtype">void</span> ExitSearch()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" ExitSearch("</span> << solver()->SolveDepth() << <span class="stringliteral">")"</span>;</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordtype">void</span> BeginNextDecision(DecisionBuilder* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" BeginNextDecision("</span> << <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> << <span class="stringliteral">") "</span>;</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordtype">void</span> EndNextDecision(DecisionBuilder* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>, Decision* <span class="keyword">const</span> d)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">if</span> (d) {</div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" EndNextDecision("</span> << <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> << <span class="stringliteral">", "</span> << d << <span class="stringliteral">") "</span>;</div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" EndNextDecision("</span> << <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a> << <span class="stringliteral">") "</span>;</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordtype">void</span> ApplyDecision(Decision* <span class="keyword">const</span> d)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" ApplyDecision("</span> << d << <span class="stringliteral">") "</span>;</div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordtype">void</span> RefuteDecision(Decision* <span class="keyword">const</span> d)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" RefuteDecision("</span> << d << <span class="stringliteral">") "</span>;</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  }</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordtype">void</span> AfterDecision(Decision* <span class="keyword">const</span> d, <span class="keywordtype">bool</span> apply)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" AfterDecision("</span> << d << <span class="stringliteral">", "</span> << apply << <span class="stringliteral">") "</span>;</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordtype">void</span> BeginFail()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" BeginFail("</span> << solver()->SearchDepth() << <span class="stringliteral">")"</span>;</div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordtype">void</span> EndFail()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" EndFail("</span> << solver()->SearchDepth() << <span class="stringliteral">")"</span>;</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordtype">void</span> BeginInitialPropagation()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" BeginInitialPropagation()"</span>;</div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  }</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordtype">void</span> EndInitialPropagation()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" EndInitialPropagation()"</span>;</div>
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  }</div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordtype">bool</span> AtSolution()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" AtSolution()"</span>;</div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  }</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordtype">bool</span> AcceptSolution()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" AcceptSolution()"</span>;</div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  }</div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordtype">void</span> NoMoreSolutions()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  LOG(INFO) << prefix_ << <span class="stringliteral">" NoMoreSolutions()"</span>;</div>
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  }</div>
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<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
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<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"SearchTrace"</span>; }</div>
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  </div>
|
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keyword">const</span> std::string prefix_;</div>
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> };</div>
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|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  </div>
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> SearchMonitor* Solver::MakeSearchTrace(<span class="keyword">const</span> std::string& prefix) {</div>
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SearchTrace(<span class="keyword">this</span>, prefix));</div>
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|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> }</div>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  </div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment">// ---------- Callback-based search monitors ----------</span></div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="keyword">class </span>AtSolutionCallback : <span class="keyword">public</span> SearchMonitor {</div>
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|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">public</span>:</div>
|
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  AtSolutionCallback(Solver* <span class="keyword">const</span> solver, std::function<<span class="keywordtype">void</span>()> <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>)</div>
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|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  : SearchMonitor(solver), callback_(std::move(<a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>)) {}</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  ~AtSolutionCallback()<span class="keyword"> override </span>{}</div>
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|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">private</span>:</div>
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|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keyword">const</span> std::function<void()> callback_;</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> };</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  </div>
|
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<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="keywordtype">bool</span> AtSolutionCallback::AtSolution() {</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  callback_();</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> }</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  </div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  </div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> SearchMonitor* Solver::MakeAtSolutionCallback(std::function<<span class="keywordtype">void</span>()> <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>) {</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> AtSolutionCallback(<span class="keyword">this</span>, std::move(<a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>)));</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> }</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  </div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="keyword">class </span>EnterSearchCallback : <span class="keyword">public</span> SearchMonitor {</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  EnterSearchCallback(Solver* <span class="keyword">const</span> solver, std::function<<span class="keywordtype">void</span>()> <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>)</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  : SearchMonitor(solver), callback_(std::move(<a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>)) {}</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  ~EnterSearchCallback()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordtype">void</span> EnterSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keyword">const</span> std::function<void()> callback_;</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> };</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  </div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="keywordtype">void</span> EnterSearchCallback::EnterSearch() { callback_(); }</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  </div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  </div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> SearchMonitor* Solver::MakeEnterSearchCallback(std::function<<span class="keywordtype">void</span>()> <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>) {</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> EnterSearchCallback(<span class="keyword">this</span>, std::move(<a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>)));</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> }</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  </div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="keyword">class </span>ExitSearchCallback : <span class="keyword">public</span> SearchMonitor {</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  ExitSearchCallback(Solver* <span class="keyword">const</span> solver, std::function<<span class="keywordtype">void</span>()> <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>)</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  : SearchMonitor(solver), callback_(std::move(<a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>)) {}</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  ~ExitSearchCallback()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordtype">void</span> ExitSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  </div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keyword">const</span> std::function<void()> callback_;</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> };</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  </div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="keywordtype">void</span> ExitSearchCallback::ExitSearch() { callback_(); }</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  </div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  </div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> SearchMonitor* Solver::MakeExitSearchCallback(std::function<<span class="keywordtype">void</span>()> <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>) {</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> ExitSearchCallback(<span class="keyword">this</span>, std::move(<a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>)));</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> }</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  </div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment">// ---------- Composite Decision Builder --------</span></div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  </div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="keyword">class </span>CompositeDecisionBuilder : <span class="keyword">public</span> DecisionBuilder {</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  CompositeDecisionBuilder();</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keyword">explicit</span> CompositeDecisionBuilder(<span class="keyword">const</span> std::vector<DecisionBuilder*>& dbs);</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  ~CompositeDecisionBuilder() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordtype">void</span> Add(DecisionBuilder* <span class="keyword">const</span> db);</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordtype">void</span> AppendMonitors(Solver* <span class="keyword">const</span> solver,</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  std::vector<SearchMonitor*>* <span class="keyword">const</span> monitors) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor) <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  </div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keyword">protected</span>:</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"><a class="line" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea"> 470</a></span>  std::vector<DecisionBuilder*> <a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>;</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> };</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  </div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> CompositeDecisionBuilder::CompositeDecisionBuilder() {}</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  </div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> CompositeDecisionBuilder::CompositeDecisionBuilder(</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keyword">const</span> std::vector<DecisionBuilder*>& dbs) {</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < dbs.size(); ++i) {</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  Add(dbs[i]);</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  }</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> }</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  </div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> CompositeDecisionBuilder::~CompositeDecisionBuilder() {}</div>
|
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<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  </div>
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<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="keywordtype">void</span> CompositeDecisionBuilder::Add(DecisionBuilder* <span class="keyword">const</span> db) {</div>
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">if</span> (db != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>.push_back(db);</div>
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<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div>
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<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> }</div>
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<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  </div>
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<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="keywordtype">void</span> CompositeDecisionBuilder::AppendMonitors(</div>
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<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  Solver* <span class="keyword">const</span> solver, std::vector<SearchMonitor*>* <span class="keyword">const</span> monitors) {</div>
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<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">for</span> (DecisionBuilder* <span class="keyword">const</span> db : <a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>) {</div>
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<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  db->AppendMonitors(solver, monitors);</div>
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<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  }</div>
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<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> }</div>
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<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  </div>
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<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="keywordtype">void</span> CompositeDecisionBuilder::Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">for</span> (DecisionBuilder* <span class="keyword">const</span> db : <a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>) {</div>
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<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  db->Accept(visitor);</div>
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<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  }</div>
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<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> }</div>
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<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  </div>
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<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="comment">// ---------- Compose Decision Builder ----------</span></div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div>
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<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="keyword">class </span>ComposeDecisionBuilder : <span class="keyword">public</span> CompositeDecisionBuilder {</div>
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<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  ComposeDecisionBuilder();</div>
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<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keyword">explicit</span> ComposeDecisionBuilder(<span class="keyword">const</span> std::vector<DecisionBuilder*>& dbs);</div>
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<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  ~ComposeDecisionBuilder() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  Decision* Next(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  </div>
|
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<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordtype">int</span> start_index_;</div>
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<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> };</div>
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<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  </div>
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<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> ComposeDecisionBuilder::ComposeDecisionBuilder() : start_index_(0) {}</div>
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<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  </div>
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<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> ComposeDecisionBuilder::ComposeDecisionBuilder(</div>
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<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keyword">const</span> std::vector<DecisionBuilder*>& dbs)</div>
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<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  : CompositeDecisionBuilder(dbs), start_index_(0) {}</div>
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<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  </div>
|
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<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> ComposeDecisionBuilder::~ComposeDecisionBuilder() {}</div>
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<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  </div>
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<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> Decision* ComposeDecisionBuilder::Next(Solver* <span class="keyword">const</span> s) {</div>
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<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = <a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>.size();</div>
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<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = start_index_; i < size; ++i) {</div>
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<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  Decision* d = <a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>[i]->Next(s);</div>
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|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">if</span> (d != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  s->SaveAndSetValue(&start_index_, i);</div>
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<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">return</span> d;</div>
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<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  }</div>
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|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  }</div>
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|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  s->SaveAndSetValue(&start_index_, size);</div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> }</div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  </div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> std::string ComposeDecisionBuilder::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"ComposeDecisionBuilder(%s)"</span>,</div>
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|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <a class="code" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(<a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>, <span class="stringliteral">", "</span>));</div>
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<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> }</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  </div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> DecisionBuilder* Solver::Compose(DecisionBuilder* <span class="keyword">const</span> db1,</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  DecisionBuilder* <span class="keyword">const</span> db2) {</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  ComposeDecisionBuilder* c = RevAlloc(<span class="keyword">new</span> ComposeDecisionBuilder());</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  c->Add(db1);</div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  c->Add(db2);</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">return</span> c;</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> }</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  </div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> DecisionBuilder* Solver::Compose(DecisionBuilder* <span class="keyword">const</span> db1,</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  DecisionBuilder* <span class="keyword">const</span> db2,</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  DecisionBuilder* <span class="keyword">const</span> db3) {</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  ComposeDecisionBuilder* c = RevAlloc(<span class="keyword">new</span> ComposeDecisionBuilder());</div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  c->Add(db1);</div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  c->Add(db2);</div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  c->Add(db3);</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">return</span> c;</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> }</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  </div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> DecisionBuilder* Solver::Compose(DecisionBuilder* <span class="keyword">const</span> db1,</div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  DecisionBuilder* <span class="keyword">const</span> db2,</div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  DecisionBuilder* <span class="keyword">const</span> db3,</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  DecisionBuilder* <span class="keyword">const</span> db4) {</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  ComposeDecisionBuilder* c = RevAlloc(<span class="keyword">new</span> ComposeDecisionBuilder());</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  c->Add(db1);</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  c->Add(db2);</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  c->Add(db3);</div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  c->Add(db4);</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keywordflow">return</span> c;</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> }</div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  </div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> DecisionBuilder* Solver::Compose(<span class="keyword">const</span> std::vector<DecisionBuilder*>& dbs) {</div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordflow">if</span> (dbs.size() == 1) {</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keywordflow">return</span> dbs[0];</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  }</div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> ComposeDecisionBuilder(dbs));</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> }</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  </div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="comment">// ---------- ClosureDecision ---------</span></div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  </div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="keyword">class </span>ClosureDecision : <span class="keyword">public</span> Decision {</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  ClosureDecision(Solver::Action apply, Solver::Action refute)</div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  : apply_(std::move(apply)), refute_(std::move(refute)) {}</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  ~ClosureDecision()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  </div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{ apply_(s); }</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  </div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{ refute_(s); }</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  </div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"ClosureDecision"</span>; }</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  </div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  Solver::Action apply_;</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  Solver::Action refute_;</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> };</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  </div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> Decision* Solver::MakeDecision(Action apply, Action refute) {</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> ClosureDecision(std::move(apply), std::move(refute)));</div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> }</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  </div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> <span class="comment">// ---------- Try Decision Builder ----------</span></div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  </div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  </div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> <span class="keyword">class </span>TryDecisionBuilder;</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  </div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> <span class="keyword">class </span>TryDecision : <span class="keyword">public</span> Decision {</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keyword">explicit</span> TryDecision(TryDecisionBuilder* <span class="keyword">const</span> try_builder);</div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  ~TryDecision() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> solver) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> solver) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"TryDecision"</span>; }</div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  </div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  TryDecisionBuilder* <span class="keyword">const</span> try_builder_;</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span> };</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  </div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> <span class="keyword">class </span>TryDecisionBuilder : <span class="keyword">public</span> CompositeDecisionBuilder {</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  TryDecisionBuilder();</div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keyword">explicit</span> TryDecisionBuilder(<span class="keyword">const</span> std::vector<DecisionBuilder*>& dbs);</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  ~TryDecisionBuilder() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  Decision* Next(Solver* <span class="keyword">const</span> solver) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordtype">void</span> AdvanceToNextBuilder(Solver* <span class="keyword">const</span> solver);</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  </div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  TryDecision try_decision_;</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keywordtype">int</span> current_builder_;</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keywordtype">bool</span> start_new_builder_;</div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> };</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  </div>
|
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<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> TryDecision::TryDecision(TryDecisionBuilder* <span class="keyword">const</span> try_builder)</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  : try_builder_(try_builder) {}</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  </div>
|
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<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> TryDecision::~TryDecision() {}</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  </div>
|
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<div class="line"><a name="l00646"></a><span class="lineno"> 646</span> <span class="keywordtype">void</span> TryDecision::Apply(Solver* <span class="keyword">const</span> solver) {}</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  </div>
|
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<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> <span class="keywordtype">void</span> TryDecision::Refute(Solver* <span class="keyword">const</span> solver) {</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  try_builder_->AdvanceToNextBuilder(solver);</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span> }</div>
|
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<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  </div>
|
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<div class="line"><a name="l00652"></a><span class="lineno"> 652</span> TryDecisionBuilder::TryDecisionBuilder()</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  : CompositeDecisionBuilder(),</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  try_decision_(this),</div>
|
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<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  current_builder_(-1),</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  start_new_builder_(true) {}</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  </div>
|
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<div class="line"><a name="l00658"></a><span class="lineno"> 658</span> TryDecisionBuilder::TryDecisionBuilder(<span class="keyword">const</span> std::vector<DecisionBuilder*>& dbs)</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  : CompositeDecisionBuilder(dbs),</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  try_decision_(this),</div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  current_builder_(-1),</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  start_new_builder_(true) {}</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  </div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span> TryDecisionBuilder::~TryDecisionBuilder() {}</div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  </div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span> Decision* TryDecisionBuilder::Next(Solver* <span class="keyword">const</span> solver) {</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="keywordflow">if</span> (current_builder_ < 0) {</div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  solver->SaveAndSetValue(&current_builder_, 0);</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  start_new_builder_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  }</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="keywordflow">if</span> (start_new_builder_) {</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  start_new_builder_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keywordflow">return</span> &try_decision_;</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordflow">return</span> <a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>[current_builder_]->Next(solver);</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  }</div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span> }</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  </div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> std::string TryDecisionBuilder::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"TryDecisionBuilder(%s)"</span>,</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <a class="code" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(<a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>, <span class="stringliteral">", "</span>));</div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span> }</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  </div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span> <span class="keywordtype">void</span> TryDecisionBuilder::AdvanceToNextBuilder(Solver* <span class="keyword">const</span> solver) {</div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  ++current_builder_;</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  start_new_builder_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keywordflow">if</span> (current_builder_ >= <a class="code" href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a>.size()) {</div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  solver->Fail();</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  }</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span> }</div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  </div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  </div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span> DecisionBuilder* Solver::Try(DecisionBuilder* <span class="keyword">const</span> db1,</div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  DecisionBuilder* <span class="keyword">const</span> db2) {</div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  TryDecisionBuilder* try_db = RevAlloc(<span class="keyword">new</span> TryDecisionBuilder());</div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  try_db->Add(db1);</div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  try_db->Add(db2);</div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordflow">return</span> try_db;</div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span> }</div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  </div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> DecisionBuilder* Solver::Try(DecisionBuilder* <span class="keyword">const</span> db1,</div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  DecisionBuilder* <span class="keyword">const</span> db2,</div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  DecisionBuilder* <span class="keyword">const</span> db3) {</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  TryDecisionBuilder* try_db = RevAlloc(<span class="keyword">new</span> TryDecisionBuilder());</div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  try_db->Add(db1);</div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  try_db->Add(db2);</div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  try_db->Add(db3);</div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keywordflow">return</span> try_db;</div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> }</div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  </div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> DecisionBuilder* Solver::Try(DecisionBuilder* <span class="keyword">const</span> db1,</div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  DecisionBuilder* <span class="keyword">const</span> db2,</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  DecisionBuilder* <span class="keyword">const</span> db3,</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  DecisionBuilder* <span class="keyword">const</span> db4) {</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  TryDecisionBuilder* try_db = RevAlloc(<span class="keyword">new</span> TryDecisionBuilder());</div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  try_db->Add(db1);</div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  try_db->Add(db2);</div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  try_db->Add(db3);</div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  try_db->Add(db4);</div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keywordflow">return</span> try_db;</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> }</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  </div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span> DecisionBuilder* Solver::Try(<span class="keyword">const</span> std::vector<DecisionBuilder*>& dbs) {</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> TryDecisionBuilder(dbs));</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> }</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  </div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span> <span class="comment">// ---------- Variable Assignments ----------</span></div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  </div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span> <span class="comment">// ----- BaseAssignmentSelector -----</span></div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  </div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> <span class="keyword">class </span>BaseVariableAssignmentSelector : <span class="keyword">public</span> BaseObject {</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  BaseVariableAssignmentSelector(Solver* solver,</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars)</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  : <a class="code" href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e">solver_</a>(solver),</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>(vars),</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <a class="code" href="search_8cc.html#a763fab788c2fe09cc73fbe32be536dcd">first_unbound_</a>(0),</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  <a class="code" href="search_8cc.html#abccdecab0716d97517f2a33f887d94ee">last_unbound_</a>(vars.size() - 1) {}</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  </div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  ~BaseVariableAssignmentSelector()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  </div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="keyword">virtual</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SelectValue(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) = 0;</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  </div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="comment">// Returns -1 if no variable are suitable.</span></div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keyword">virtual</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseVariable() = 0;</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  </div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseVariableWrapper() {</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i;</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordflow">for</span> (i = <a class="code" href="search_8cc.html#a763fab788c2fe09cc73fbe32be536dcd">first_unbound_</a>.Value(); i <= <a class="code" href="search_8cc.html#abccdecab0716d97517f2a33f887d94ee">last_unbound_</a>.Value(); ++i) {</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Bound()) {</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  }</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  }</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <a class="code" href="search_8cc.html#a763fab788c2fe09cc73fbe32be536dcd">first_unbound_</a>.SetValue(<a class="code" href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e">solver_</a>, i);</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="keywordflow">if</span> (i > <a class="code" href="search_8cc.html#abccdecab0716d97517f2a33f887d94ee">last_unbound_</a>.Value()) {</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  }</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keywordflow">for</span> (i = <a class="code" href="search_8cc.html#abccdecab0716d97517f2a33f887d94ee">last_unbound_</a>.Value(); i >= <a class="code" href="search_8cc.html#a763fab788c2fe09cc73fbe32be536dcd">first_unbound_</a>.Value(); --i) {</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Bound()) {</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  }</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  }</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <a class="code" href="search_8cc.html#abccdecab0716d97517f2a33f887d94ee">last_unbound_</a>.SetValue(<a class="code" href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e">solver_</a>, i);</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="keywordflow">return</span> ChooseVariable();</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  }</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  </div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  visitor->BeginVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  visitor->VisitIntegerVariableArrayArgument(ModelVisitor::kVarsArgument,</div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>);</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  visitor->EndVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  }</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  </div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>; }</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  </div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keyword">protected</span>:</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"><a class="line" href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e"> 779</a></span>  Solver* <span class="keyword">const</span> <a class="code" href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e">solver_</a>;</div>
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|
<div class="line"><a name="l00780"></a><span class="lineno"><a class="line" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61"> 780</a></span>  std::vector<IntVar*> <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>;</div>
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<div class="line"><a name="l00781"></a><span class="lineno"><a class="line" href="search_8cc.html#a763fab788c2fe09cc73fbe32be536dcd"> 781</a></span>  Rev<int64> <a class="code" href="search_8cc.html#a763fab788c2fe09cc73fbe32be536dcd">first_unbound_</a>;</div>
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<div class="line"><a name="l00782"></a><span class="lineno"><a class="line" href="search_8cc.html#abccdecab0716d97517f2a33f887d94ee"> 782</a></span>  Rev<int64> <a class="code" href="search_8cc.html#abccdecab0716d97517f2a33f887d94ee">last_unbound_</a>;</div>
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<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> };</div>
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<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  </div>
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<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> <span class="comment">// ----- Choose first unbound --</span></div>
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<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  </div>
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<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseFirstUnbound(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keywordflow">if</span> (!vars[i]->Bound()) {</div>
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<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="keywordflow">return</span> i;</div>
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<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  }</div>
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<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  }</div>
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<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a name="l00795"></a><span class="lineno"> 795</span> }</div>
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<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  </div>
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<div class="line"><a name="l00797"></a><span class="lineno"> 797</span> <span class="comment">// ----- Choose Min Size Lowest Min -----</span></div>
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<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  </div>
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<div class="line"><a name="l00799"></a><span class="lineno"> 799</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseMinSizeLowestMin(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> best_size = <a class="code" href="integral__types_8h.html#a9e2a0eaeb0ffad9739d8b951dcf18ca0">kuint64max</a>;</div>
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<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_min = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_index = -1;</div>
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<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[i];</div>
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<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() < best_size ||</div>
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<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() == best_size && <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Min() < best_min)) {</div>
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<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  best_size = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size();</div>
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<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  best_min = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Min();</div>
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<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  best_index = i;</div>
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<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  }</div>
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<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  }</div>
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<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  }</div>
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<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">return</span> best_index;</div>
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<div class="line"><a name="l00816"></a><span class="lineno"> 816</span> }</div>
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<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  </div>
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<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> <span class="comment">// ----- Choose Min Size Highest Min -----</span></div>
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<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  </div>
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<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseMinSizeHighestMin(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> best_size = <a class="code" href="integral__types_8h.html#a9e2a0eaeb0ffad9739d8b951dcf18ca0">kuint64max</a>;</div>
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<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_min = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_index = -1;</div>
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<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[i];</div>
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<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() < best_size ||</div>
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<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() == best_size && <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Min() > best_min)) {</div>
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<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  best_size = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size();</div>
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<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  best_min = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Min();</div>
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<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  best_index = i;</div>
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<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  }</div>
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<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  }</div>
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<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  }</div>
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<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keywordflow">return</span> best_index;</div>
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<div class="line"><a name="l00837"></a><span class="lineno"> 837</span> }</div>
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<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  </div>
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<div class="line"><a name="l00839"></a><span class="lineno"> 839</span> <span class="comment">// ----- Choose Min Size Lowest Max -----</span></div>
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<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  </div>
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<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseMinSizeLowestMax(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> best_size = <a class="code" href="integral__types_8h.html#a9e2a0eaeb0ffad9739d8b951dcf18ca0">kuint64max</a>;</div>
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<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_max = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_index = -1;</div>
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<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[i];</div>
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<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() < best_size ||</div>
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<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() == best_size && <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Max() < best_max)) {</div>
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<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  best_size = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size();</div>
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<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  best_max = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Max();</div>
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<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  best_index = i;</div>
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<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  }</div>
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<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  }</div>
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<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  }</div>
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<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keywordflow">return</span> best_index;</div>
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<div class="line"><a name="l00858"></a><span class="lineno"> 858</span> }</div>
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<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  </div>
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<div class="line"><a name="l00860"></a><span class="lineno"> 860</span> <span class="comment">// ----- Choose Min Size Highest Max -----</span></div>
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<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  </div>
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<div class="line"><a name="l00862"></a><span class="lineno"> 862</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseMinSizeHighestMax(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> best_size = <a class="code" href="integral__types_8h.html#a9e2a0eaeb0ffad9739d8b951dcf18ca0">kuint64max</a>;</div>
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<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_max = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_index = -1;</div>
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<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[i];</div>
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<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() < best_size ||</div>
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<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() == best_size && <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Max() > best_max)) {</div>
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<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  best_size = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size();</div>
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<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  best_max = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Max();</div>
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<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  best_index = i;</div>
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<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  }</div>
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<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  }</div>
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<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  }</div>
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<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="keywordflow">return</span> best_index;</div>
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<div class="line"><a name="l00879"></a><span class="lineno"> 879</span> }</div>
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<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  </div>
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<div class="line"><a name="l00881"></a><span class="lineno"> 881</span> <span class="comment">// ----- Choose Lowest Min --</span></div>
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<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  </div>
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<div class="line"><a name="l00883"></a><span class="lineno"> 883</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseLowestMin(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_min = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_index = -1;</div>
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<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[i];</div>
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<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Min() < best_min) {</div>
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<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  best_min = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Min();</div>
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<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  best_index = i;</div>
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<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  }</div>
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<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  }</div>
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<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  }</div>
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<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  <span class="keywordflow">return</span> best_index;</div>
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<div class="line"><a name="l00897"></a><span class="lineno"> 897</span> }</div>
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<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  </div>
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<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> <span class="comment">// ----- Choose Highest Max -----</span></div>
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<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  </div>
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<div class="line"><a name="l00901"></a><span class="lineno"> 901</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseHighestMax(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_max = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_index = -1;</div>
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<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[i];</div>
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<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Max() > best_max) {</div>
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<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  best_max = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Max();</div>
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<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  best_index = i;</div>
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<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  }</div>
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<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  }</div>
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<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  }</div>
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<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <span class="keywordflow">return</span> best_index;</div>
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<div class="line"><a name="l00915"></a><span class="lineno"> 915</span> }</div>
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<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  </div>
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<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> <span class="comment">// ----- Choose Lowest Size --</span></div>
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<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  </div>
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<div class="line"><a name="l00919"></a><span class="lineno"> 919</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseMinSize(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> best_size = <a class="code" href="integral__types_8h.html#a9e2a0eaeb0ffad9739d8b951dcf18ca0">kuint64max</a>;</div>
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<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_index = -1;</div>
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<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[i];</div>
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<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() < best_size) {</div>
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<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  best_size = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size();</div>
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<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  best_index = i;</div>
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<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  }</div>
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<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  }</div>
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|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  }</div>
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|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordflow">return</span> best_index;</div>
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<div class="line"><a name="l00933"></a><span class="lineno"> 933</span> }</div>
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<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  </div>
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|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span> <span class="comment">// ----- Choose Highest Size -----</span></div>
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<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  </div>
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<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseMaxSize(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> best_size = 0;</div>
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<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_index = -1;</div>
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<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[i];</div>
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<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size() > best_size) {</div>
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<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  best_size = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Size();</div>
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|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  best_index = i;</div>
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|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  }</div>
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|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  }</div>
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|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  }</div>
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|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  <span class="keywordflow">return</span> best_index;</div>
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|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> }</div>
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|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  </div>
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|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> <span class="comment">// ----- Choose Highest Regret -----</span></div>
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|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  </div>
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|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> <span class="keyword">class </span>HighestRegretSelectorOnMin : <span class="keyword">public</span> BaseObject {</div>
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|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="keyword">public</span>:</div>
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|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="keyword">explicit</span> HighestRegretSelectorOnMin(<span class="keyword">const</span> std::vector<IntVar*>& vars)</div>
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<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  : <a class="code" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>(vars.size()) {</div>
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<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = 0; i < vars.size(); ++i) {</div>
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<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <a class="code" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[i] = vars[i]->MakeDomainIterator(<span class="keyword">true</span>);</div>
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<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  }</div>
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<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  }</div>
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<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  ~HighestRegretSelectorOnMin()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> Choose(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound);</div>
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<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"MaxRegretSelector"</span>; }</div>
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<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  </div>
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<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ComputeRegret(IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  DCHECK(!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound());</div>
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<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> vmin = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Min();</div>
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<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  IntVarIterator* <span class="keyword">const</span> iterator = <a class="code" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  iterator->Init();</div>
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|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  iterator->Next();</div>
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<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <span class="keywordflow">return</span> iterator->Value() - vmin;</div>
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<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  }</div>
|
|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  </div>
|
|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  std::vector<IntVarIterator*> <a class="code" href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a>;</div>
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<div class="line"><a name="l00979"></a><span class="lineno"> 979</span> };</div>
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<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  </div>
|
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<div class="line"><a name="l00981"></a><span class="lineno"> 981</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> HighestRegretSelectorOnMin::Choose(Solver* <span class="keyword">const</span> s,</div>
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<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound,</div>
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|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
|
|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_regret = 0;</div>
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|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = -1;</div>
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|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
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<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[i];</div>
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<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> regret = ComputeRegret(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, i);</div>
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|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="keywordflow">if</span> (regret > best_regret) {</div>
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|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  best_regret = regret;</div>
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<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = i;</div>
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|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  }</div>
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|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  }</div>
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|
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  }</div>
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|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <span class="keywordflow">return</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
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|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span> }</div>
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|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  </div>
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|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span> <span class="comment">// ----- Choose random unbound --</span></div>
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<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  </div>
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<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseRandom(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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|
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
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|
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> span = last_unbound - first_unbound + 1;</div>
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|
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> shift = solver->Rand32(span);</div>
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|
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = 0; i < span; ++i) {</div>
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|
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = (i + shift) % span + first_unbound;</div>
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|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  <span class="keywordflow">if</span> (!vars[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]->Bound()) {</div>
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|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  <span class="keywordflow">return</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  }</div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  }</div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <span class="keywordflow">return</span> -1;</div>
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|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span> }</div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  </div>
|
|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> <span class="comment">// ----- Choose min eval -----</span></div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  </div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span> <span class="keyword">class </span>CheapestVarSelector : <span class="keyword">public</span> BaseObject {</div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <span class="keyword">explicit</span> CheapestVarSelector(std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> var_evaluator)</div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  : var_evaluator_(std::move(var_evaluator)) {}</div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  ~CheapestVarSelector()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> Choose(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound);</div>
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|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"CheapestVarSelector"</span>; }</div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  </div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> var_evaluator_;</div>
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|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span> };</div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  </div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> CheapestVarSelector::Choose(Solver* <span class="keyword">const</span> s,</div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_eval = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = -1;</div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_unbound; i <= last_unbound; ++i) {</div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <span class="keywordflow">if</span> (!vars[i]->Bound()) {</div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> eval = var_evaluator_(i);</div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  <span class="keywordflow">if</span> (eval < best_eval) {</div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  best_eval = eval;</div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = i;</div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  }</div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  }</div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  }</div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <span class="keywordflow">return</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span> }</div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  </div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span> <span class="comment">// ----- Path selector -----</span></div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> <span class="comment">// Follow path, where var[i] is represents the next of i</span></div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  </div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span> <span class="keyword">class </span>PathSelector : <span class="keyword">public</span> BaseObject {</div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  PathSelector() : first_(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) {}</div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  ~PathSelector()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> Choose(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound);</div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"ChooseNextOnPath"</span>; }</div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  </div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  <span class="keywordtype">bool</span> UpdateIndex(<span class="keyword">const</span> std::vector<IntVar*>& vars, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) <span class="keyword">const</span>;</div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  <span class="keywordtype">bool</span> FindPathStart(<span class="keyword">const</span> std::vector<IntVar*>& vars, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) <span class="keyword">const</span>;</div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  </div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  Rev<int64> first_;</div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span> };</div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  </div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> PathSelector::Choose(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_unbound, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_unbound) {</div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = first_.Value();</div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  <span class="keywordflow">if</span> (!UpdateIndex(vars, &<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  }</div>
|
|
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> count = 0;</div>
|
|
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="keywordflow">while</span> (vars[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]->Bound()) {</div>
|
|
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = vars[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]->Value();</div>
|
|
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="keywordflow">if</span> (!UpdateIndex(vars, &<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
|
|
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  }</div>
|
|
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  ++count;</div>
|
|
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  <span class="keywordflow">if</span> (count >= vars.size() &&</div>
|
|
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  !FindPathStart(vars, &<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) { <span class="comment">// Cycle detected</span></div>
|
|
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  }</div>
|
|
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  }</div>
|
|
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  first_.SetValue(s, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  <span class="keywordflow">return</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span> }</div>
|
|
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  </div>
|
|
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span> <span class="keywordtype">bool</span> PathSelector::UpdateIndex(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <span class="keywordflow">if</span> (*<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> >= vars.size()) {</div>
|
|
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  <span class="keywordflow">if</span> (!FindPathStart(vars, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
|
|
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  }</div>
|
|
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  }</div>
|
|
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span> }</div>
|
|
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  </div>
|
|
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> <span class="comment">// Select variables on a path:</span></div>
|
|
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span> <span class="comment">// 1. Try to extend an existing route: look for an unbound variable, to which</span></div>
|
|
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span> <span class="comment">// some other variable points.</span></div>
|
|
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span> <span class="comment">// 2. If no such road is found, try to find a start node of a route: look for</span></div>
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|
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span> <span class="comment">// an unbound variable, to which no other variable can point.</span></div>
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|
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span> <span class="comment">// 3. If everything else fails, pick the first unbound variable.</span></div>
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|
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span> <span class="keywordtype">bool</span> PathSelector::FindPathStart(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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|
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  <span class="comment">// Try to extend an existing path</span></div>
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<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = vars.size() - 1; i >= 0; --i) {</div>
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<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <span class="keywordflow">if</span> (vars[i]->Bound()) {</div>
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<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a> = vars[i]->Value();</div>
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|
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  <span class="keywordflow">if</span> (<a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a> < vars.size() && !vars[<a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>]->Bound()) {</div>
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<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  *<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>;</div>
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|
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  }</div>
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|
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  }</div>
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|
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  }</div>
|
|
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <span class="comment">// Pick path start</span></div>
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|
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = vars.size() - 1; i >= 0; --i) {</div>
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|
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <span class="keywordflow">if</span> (!vars[i]->Bound()) {</div>
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<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="keywordtype">bool</span> has_possible_prev = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> j = 0; j < vars.size(); ++j) {</div>
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<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  <span class="keywordflow">if</span> (vars[j]->Contains(i)) {</div>
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<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  has_possible_prev = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  }</div>
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|
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  }</div>
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<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  <span class="keywordflow">if</span> (!has_possible_prev) {</div>
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<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  *<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = i;</div>
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<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  }</div>
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<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  }</div>
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<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  }</div>
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|
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <span class="comment">// Pick first unbound</span></div>
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<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = 0; i < vars.size(); ++i) {</div>
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|
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  <span class="keywordflow">if</span> (!vars[i]->Bound()) {</div>
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<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  *<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = i;</div>
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<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  }</div>
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|
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  }</div>
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|
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span> }</div>
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|
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  </div>
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|
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span> <span class="comment">// ----- Select min -----</span></div>
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|
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  </div>
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|
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SelectMinValue(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) { <span class="keywordflow">return</span> v->Min(); }</div>
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|
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  </div>
|
|
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span> <span class="comment">// ----- Select max -----</span></div>
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<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  </div>
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|
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SelectMaxValue(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) { <span class="keywordflow">return</span> v->Max(); }</div>
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|
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  </div>
|
|
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span> <span class="comment">// ----- Select random -----</span></div>
|
|
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  </div>
|
|
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SelectRandomValue(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) {</div>
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|
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> span = v->Max() - v->Min() + 1;</div>
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|
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  <span class="keywordflow">if</span> (span > FLAGS_cp_large_domain_no_splitting_limit) {</div>
|
|
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  <span class="comment">// Do not create holes in large domains.</span></div>
|
|
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  <span class="keywordflow">return</span> v->Min();</div>
|
|
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  }</div>
|
|
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> size = v->Size();</div>
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|
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  Solver* <span class="keyword">const</span> s = v->solver();</div>
|
|
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  <span class="keywordflow">if</span> (size > span / 4) { <span class="comment">// Dense enough, we can try to find the</span></div>
|
|
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  <span class="comment">// value randomly.</span></div>
|
|
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  <span class="keywordflow">for</span> (;;) {</div>
|
|
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = v->Min() + s->Rand64(span);</div>
|
|
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  <span class="keywordflow">if</span> (v->Contains(<a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>)) {</div>
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|
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  <span class="keywordflow">return</span> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
|
|
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  }</div>
|
|
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  }</div>
|
|
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  } <span class="keywordflow">else</span> { <span class="comment">// Not dense enough, we will count.</span></div>
|
|
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = s->Rand64(size);</div>
|
|
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  <span class="keywordflow">if</span> (<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> <= size / 2) {</div>
|
|
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = v->Min(); i <= v->Max(); ++i) {</div>
|
|
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  <span class="keywordflow">if</span> (v->Contains(i)) {</div>
|
|
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  <span class="keywordflow">if</span> (--<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> == 0) {</div>
|
|
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  <span class="keywordflow">return</span> i;</div>
|
|
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  }</div>
|
|
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  }</div>
|
|
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  }</div>
|
|
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  CHECK_LE(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, 0);</div>
|
|
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = v->Max(); i > v->Min(); --i) {</div>
|
|
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  <span class="keywordflow">if</span> (v->Contains(i)) {</div>
|
|
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  <span class="keywordflow">if</span> (--<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> == 0) {</div>
|
|
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  <span class="keywordflow">return</span> i;</div>
|
|
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  }</div>
|
|
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  }</div>
|
|
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  }</div>
|
|
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  CHECK_LE(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, 0);</div>
|
|
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  }</div>
|
|
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  }</div>
|
|
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span> }</div>
|
|
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  </div>
|
|
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span> <span class="comment">// ----- Select center -----</span></div>
|
|
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  </div>
|
|
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SelectCenterValue(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) {</div>
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|
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> vmin = v->Min();</div>
|
|
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> vmax = v->Max();</div>
|
|
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  <span class="keywordflow">if</span> (vmax - vmin > FLAGS_cp_large_domain_no_splitting_limit) {</div>
|
|
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  <span class="comment">// Do not create holes in large domains.</span></div>
|
|
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  <span class="keywordflow">return</span> vmin;</div>
|
|
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  }</div>
|
|
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> mid = (vmin + vmax) / 2;</div>
|
|
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="keywordflow">if</span> (v->Contains(mid)) {</div>
|
|
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  <span class="keywordflow">return</span> mid;</div>
|
|
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  }</div>
|
|
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> diameter = vmax - mid; <span class="comment">// always greater than mid - vmix.</span></div>
|
|
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = 1; i <= diameter; ++i) {</div>
|
|
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  <span class="keywordflow">if</span> (v->Contains(mid - i)) {</div>
|
|
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  <span class="keywordflow">return</span> mid - i;</div>
|
|
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  }</div>
|
|
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  <span class="keywordflow">if</span> (v->Contains(mid + i)) {</div>
|
|
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  <span class="keywordflow">return</span> mid + i;</div>
|
|
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  }</div>
|
|
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  }</div>
|
|
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span> }</div>
|
|
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  </div>
|
|
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span> <span class="comment">// ----- Select center -----</span></div>
|
|
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  </div>
|
|
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SelectSplitValue(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) {</div>
|
|
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> vmin = v->Min();</div>
|
|
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> vmax = v->Max();</div>
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|
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a> <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> = vmax - vmin;</div>
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|
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> mid = vmin + <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> / 2;</div>
|
|
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  <span class="keywordflow">return</span> mid;</div>
|
|
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span> }</div>
|
|
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>  </div>
|
|
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span> <span class="comment">// ----- Select the value yielding the cheapest "eval" for a var -----</span></div>
|
|
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  </div>
|
|
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span> <span class="keyword">class </span>CheapestValueSelector : <span class="keyword">public</span> BaseObject {</div>
|
|
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  <span class="keyword">public</span>:</div>
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|
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  CheapestValueSelector(std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> eval,</div>
|
|
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> tie_breaker)</div>
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|
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  : eval_(std::move(eval)), tie_breaker_(std::move(tie_breaker)) {}</div>
|
|
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  ~CheapestValueSelector()<span class="keyword"> override </span>{}</div>
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|
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> Select(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>);</div>
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|
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"CheapestValue"</span>; }</div>
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|
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  </div>
|
|
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> eval_;</div>
|
|
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> tie_breaker_;</div>
|
|
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  std::vector<int64> cache_;</div>
|
|
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span> };</div>
|
|
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  </div>
|
|
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> CheapestValueSelector::Select(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) {</div>
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|
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  cache_.clear();</div>
|
|
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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|
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  std::unique_ptr<IntVarIterator> it(v->MakeDomainIterator(<span class="keyword">false</span>));</div>
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|
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i : InitAndGetValues(it.get())) {</div>
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|
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> eval = eval_(<span class="keywordtype">id</span>, i);</div>
|
|
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  <span class="keywordflow">if</span> (eval < best) {</div>
|
|
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  best = eval;</div>
|
|
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  cache_.clear();</div>
|
|
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  cache_.push_back(i);</div>
|
|
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (eval == best) {</div>
|
|
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  cache_.push_back(i);</div>
|
|
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  }</div>
|
|
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  }</div>
|
|
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  DCHECK_GT(cache_.size(), 0);</div>
|
|
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  <span class="keywordflow">if</span> (tie_breaker_ == <span class="keyword">nullptr</span> || cache_.size() == 1) {</div>
|
|
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  <span class="keywordflow">return</span> cache_.back();</div>
|
|
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  <span class="keywordflow">return</span> cache_[tie_breaker_(cache_.size())];</div>
|
|
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  }</div>
|
|
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span> }</div>
|
|
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  </div>
|
|
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span> <span class="comment">// ----- Select the best value for the var, based on a comparator callback -----</span></div>
|
|
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  </div>
|
|
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span> <span class="comment">// The comparator should be a total order, but does not have to be a strict</span></div>
|
|
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span> <span class="comment">// ordering. If there is a tie between two values val1 and val2, i.e. if</span></div>
|
|
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span> <span class="comment">// !comparator(var_id, val1, val2) && !comparator(var_id, val2, val1), then</span></div>
|
|
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span> <span class="comment">// the lowest value wins.</span></div>
|
|
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span> <span class="comment">// comparator(var_id, val1, val2) == true means than val1 should be preferred</span></div>
|
|
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span> <span class="comment">// over val2 for variable var_id.</span></div>
|
|
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span> <span class="keyword">class </span>BestValueByComparisonSelector : <span class="keyword">public</span> BaseObject {</div>
|
|
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>  <span class="keyword">explicit</span> BestValueByComparisonSelector(</div>
|
|
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  Solver::VariableValueComparator comparator)</div>
|
|
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  : comparator_(std::move(comparator)) {}</div>
|
|
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>  ~BestValueByComparisonSelector()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> Select(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  <span class="keywordflow">return</span> <span class="stringliteral">"BestValueByComparisonSelector"</span>;</div>
|
|
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  }</div>
|
|
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  </div>
|
|
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  Solver::VariableValueComparator comparator_;</div>
|
|
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span> };</div>
|
|
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  </div>
|
|
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> BestValueByComparisonSelector::Select(<span class="keyword">const</span> IntVar* v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) {</div>
|
|
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  std::unique_ptr<IntVarIterator> it(v->MakeDomainIterator(<span class="keyword">false</span>));</div>
|
|
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  it->Init();</div>
|
|
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  DCHECK(it->Ok()); <span class="comment">// At least one value.</span></div>
|
|
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_value = it->Value();</div>
|
|
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  <span class="keywordflow">for</span> (it->Next(); it->Ok(); it->Next()) {</div>
|
|
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> candidate_value = it->Value();</div>
|
|
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  <span class="keywordflow">if</span> (comparator_(<span class="keywordtype">id</span>, candidate_value, best_value)) {</div>
|
|
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  best_value = candidate_value;</div>
|
|
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  }</div>
|
|
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  }</div>
|
|
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <span class="keywordflow">return</span> best_value;</div>
|
|
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span> }</div>
|
|
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  </div>
|
|
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span> <span class="comment">// ----- VariableAssignmentSelector -----</span></div>
|
|
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  </div>
|
|
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span> <span class="keyword">class </span>VariableAssignmentSelector : <span class="keyword">public</span> BaseVariableAssignmentSelector {</div>
|
|
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  VariableAssignmentSelector(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  Solver::VariableIndexSelector var_selector,</div>
|
|
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  Solver::VariableValueSelector value_selector,</div>
|
|
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="keyword">const</span> std::string& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)</div>
|
|
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  : BaseVariableAssignmentSelector(solver, vars),</div>
|
|
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  var_selector_(std::move(var_selector)),</div>
|
|
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  value_selector_(std::move(value_selector)),</div>
|
|
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  name_(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {}</div>
|
|
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  ~VariableAssignmentSelector()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SelectValue(<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  <span class="keywordflow">return</span> value_selector_(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  }</div>
|
|
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseVariable()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  <span class="keywordflow">return</span> var_selector_(<a class="code" href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e">solver_</a>, <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>, <a class="code" href="search_8cc.html#a763fab788c2fe09cc73fbe32be536dcd">first_unbound_</a>.Value(),</div>
|
|
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  <a class="code" href="search_8cc.html#abccdecab0716d97517f2a33f887d94ee">last_unbound_</a>.Value());</div>
|
|
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  }</div>
|
|
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  </div>
|
|
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  Solver::VariableIndexSelector var_selector_;</div>
|
|
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  Solver::VariableValueSelector value_selector_;</div>
|
|
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  <span class="keyword">const</span> std::string name_;</div>
|
|
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span> };</div>
|
|
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  </div>
|
|
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span> std::string VariableAssignmentSelector::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"%s(%s)"</span>, name_, <a class="code" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>, <span class="stringliteral">", "</span>));</div>
|
|
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span> }</div>
|
|
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  </div>
|
|
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span> <span class="comment">// ----- Base Global Evaluator-based selector -----</span></div>
|
|
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  </div>
|
|
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span> <span class="keyword">class </span>BaseEvaluatorSelector : <span class="keyword">public</span> BaseVariableAssignmentSelector {</div>
|
|
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  BaseEvaluatorSelector(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> evaluator);</div>
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<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  ~BaseEvaluatorSelector()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  </div>
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<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  <span class="keyword">struct </span>Element {</div>
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<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  Element() : <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>(0), <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>(0) {}</div>
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<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  Element(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> j) : <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>(i), <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>(j) {}</div>
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<div class="line"><a name="l01347"></a><span class="lineno"><a class="line" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082"> 1347</a></span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>;</div>
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<div class="line"><a name="l01348"></a><span class="lineno"><a class="line" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf"> 1348</a></span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
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<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  };</div>
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<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  </div>
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<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  std::string DebugStringInternal(<span class="keyword">const</span> std::string& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"%s(%s)"</span>, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <a class="code" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>, <span class="stringliteral">", "</span>));</div>
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<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  }</div>
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<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  </div>
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<div class="line"><a name="l01355"></a><span class="lineno"><a class="line" href="search_8cc.html#a5e5e8b8520054d3bdeb53ef0291ce4d9"> 1355</a></span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> <a class="code" href="search_8cc.html#a5e5e8b8520054d3bdeb53ef0291ce4d9">evaluator_</a>;</div>
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<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span> };</div>
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<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  </div>
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<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span> BaseEvaluatorSelector::BaseEvaluatorSelector(</div>
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<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> evaluator)</div>
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<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  : BaseVariableAssignmentSelector(solver, vars),</div>
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<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  <a class="code" href="search_8cc.html#a5e5e8b8520054d3bdeb53ef0291ce4d9">evaluator_</a>(std::move(evaluator)) {}</div>
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<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  </div>
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<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span> <span class="comment">// ----- Global Dynamic Evaluator-based selector -----</span></div>
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<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  </div>
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<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span> <span class="keyword">class </span>DynamicEvaluatorSelector : <span class="keyword">public</span> BaseEvaluatorSelector {</div>
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<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  DynamicEvaluatorSelector(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> evaluator,</div>
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<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> tie_breaker);</div>
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<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  ~DynamicEvaluatorSelector()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SelectValue(<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseVariable() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  </div>
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<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_;</div>
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<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> tie_breaker_;</div>
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<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>  std::vector<Element> cache_;</div>
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<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span> };</div>
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<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>  </div>
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<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span> DynamicEvaluatorSelector::DynamicEvaluatorSelector(</div>
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<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> evaluator,</div>
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<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> tie_breaker)</div>
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<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  : BaseEvaluatorSelector(solver, vars, std::move(evaluator)),</div>
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<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  first_(-1),</div>
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<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>  tie_breaker_(std::move(tie_breaker)) {}</div>
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<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  </div>
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<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> DynamicEvaluatorSelector::SelectValue(<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) {</div>
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<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  <span class="keywordflow">return</span> cache_[first_].value;</div>
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<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span> }</div>
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<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  </div>
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<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> DynamicEvaluatorSelector::ChooseVariable() {</div>
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<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_evaluation = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  cache_.clear();</div>
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<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
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<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  <span class="keyword">const</span> IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i];</div>
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<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  std::unique_ptr<IntVarIterator> it(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->MakeDomainIterator(<span class="keyword">false</span>));</div>
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<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> j : InitAndGetValues(it.get())) {</div>
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<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = <a class="code" href="search_8cc.html#a5e5e8b8520054d3bdeb53ef0291ce4d9">evaluator_</a>(i, j);</div>
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<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> < best_evaluation) {</div>
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<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>  best_evaluation = <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
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<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  cache_.clear();</div>
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<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  cache_.push_back(Element(i, j));</div>
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<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == best_evaluation && tie_breaker_) {</div>
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<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>  cache_.push_back(Element(i, j));</div>
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<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  }</div>
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<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  }</div>
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<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  }</div>
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<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  }</div>
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<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  </div>
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<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  <span class="keywordflow">if</span> (cache_.empty()) {</div>
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<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  }</div>
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<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  </div>
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<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  <span class="keywordflow">if</span> (tie_breaker_ == <span class="keyword">nullptr</span> || cache_.size() == 1) {</div>
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<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  first_ = 0;</div>
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<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <span class="keywordflow">return</span> cache_.front().var;</div>
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<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  first_ = tie_breaker_(cache_.size());</div>
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<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  <span class="keywordflow">return</span> cache_[first_].var;</div>
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<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  }</div>
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<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span> }</div>
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<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  </div>
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<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span> std::string DynamicEvaluatorSelector::DebugString()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  <span class="keywordflow">return</span> DebugStringInternal(<span class="stringliteral">"AssignVariablesOnDynamicEvaluator"</span>);</div>
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<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span> }</div>
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<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  </div>
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<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span> <span class="comment">// ----- Global Dynamic Evaluator-based selector -----</span></div>
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<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  </div>
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<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span> <span class="keyword">class </span>StaticEvaluatorSelector : <span class="keyword">public</span> BaseEvaluatorSelector {</div>
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<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  StaticEvaluatorSelector(Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  <span class="keyword">const</span> std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)>& evaluator);</div>
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<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  ~StaticEvaluatorSelector()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SelectValue(<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ChooseVariable() <span class="keyword">override</span>;</div>
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|
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  </div>
|
|
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  <span class="keyword">class </span>Compare {</div>
|
|
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  <span class="keyword">explicit</span> Compare(std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> evaluator)</div>
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|
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>  : <a class="code" href="search_8cc.html#a5e5e8b8520054d3bdeb53ef0291ce4d9">evaluator_</a>(std::move(evaluator)) {}</div>
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|
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>  <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> Element& lhs, <span class="keyword">const</span> Element& rhs)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> value_lhs = <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(lhs);</div>
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<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> value_rhs = <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(rhs);</div>
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|
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  <span class="keywordflow">return</span> value_lhs < value_rhs ||</div>
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|
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>  (value_lhs == value_rhs &&</div>
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|
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  (lhs.var < rhs.var ||</div>
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<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  (lhs.var == rhs.var && lhs.value < rhs.value)));</div>
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|
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  }</div>
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|
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(<span class="keyword">const</span> Element& element)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>  <span class="keywordflow">return</span> <a class="code" href="search_8cc.html#a5e5e8b8520054d3bdeb53ef0291ce4d9">evaluator_</a>(element.var, element.value);</div>
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|
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  }</div>
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|
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>  </div>
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|
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>  <span class="keyword">private</span>:</div>
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|
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> <a class="code" href="search_8cc.html#a5e5e8b8520054d3bdeb53ef0291ce4d9">evaluator_</a>;</div>
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|
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  };</div>
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|
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>  </div>
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|
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  Compare comp_;</div>
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|
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>  std::vector<Element> elements_;</div>
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<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> first_;</div>
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|
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span> };</div>
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|
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>  </div>
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<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span> StaticEvaluatorSelector::StaticEvaluatorSelector(</div>
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<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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|
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>  <span class="keyword">const</span> std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)>& evaluator)</div>
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|
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>  : BaseEvaluatorSelector(solver, vars, evaluator),</div>
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|
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>  comp_(evaluator),</div>
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|
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  first_(-1) {}</div>
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|
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  </div>
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|
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> StaticEvaluatorSelector::SelectValue(<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <span class="keywordtype">id</span>) {</div>
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|
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  <span class="keywordflow">return</span> elements_[first_].value;</div>
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|
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span> }</div>
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|
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  </div>
|
|
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> StaticEvaluatorSelector::ChooseVariable() {</div>
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|
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  <span class="keywordflow">if</span> (first_ == -1) { <span class="comment">// first call to select. update assignment costs</span></div>
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|
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>  <span class="comment">// Two phases: compute size then filland sort</span></div>
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|
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> element_size = 0;</div>
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|
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
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|
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Bound()) {</div>
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|
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>  element_size += <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->Size();</div>
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|
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>  }</div>
|
|
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>  }</div>
|
|
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>  elements_.resize(element_size);</div>
|
|
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  <span class="keywordtype">int</span> count = 0;</div>
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|
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
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|
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>  <span class="keyword">const</span> IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i];</div>
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|
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound()) {</div>
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|
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>  std::unique_ptr<IntVarIterator> it(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->MakeDomainIterator(<span class="keyword">false</span>));</div>
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|
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> : InitAndGetValues(it.get())) {</div>
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|
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>  elements_[count++] = Element(i, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>  }</div>
|
|
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>  }</div>
|
|
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>  }</div>
|
|
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>  <span class="comment">// Sort is stable here given the tie-breaking rules in comp_.</span></div>
|
|
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  std::sort(elements_.begin(), elements_.end(), comp_);</div>
|
|
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  <a class="code" href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e">solver_</a>->SaveAndSetValue<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>>(&first_, 0);</div>
|
|
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>  }</div>
|
|
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = first_; i < elements_.size(); ++i) {</div>
|
|
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>  <span class="keyword">const</span> Element& element = elements_[i];</div>
|
|
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[element.var];</div>
|
|
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Bound() && <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Contains(element.value)) {</div>
|
|
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  <a class="code" href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e">solver_</a>->SaveAndSetValue(&first_, i);</div>
|
|
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>  <span class="keywordflow">return</span> element.var;</div>
|
|
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>  }</div>
|
|
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>  }</div>
|
|
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>  <a class="code" href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e">solver_</a>->SaveAndSetValue(&first_, <span class="keyword">static_cast<</span><a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a><span class="keyword">></span>(elements_.size()));</div>
|
|
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>  <span class="keywordflow">return</span> -1;</div>
|
|
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span> }</div>
|
|
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>  </div>
|
|
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span> std::string StaticEvaluatorSelector::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  <span class="keywordflow">return</span> DebugStringInternal(<span class="stringliteral">"AssignVariablesOnStaticEvaluator"</span>);</div>
|
|
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span> }</div>
|
|
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  </div>
|
|
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span> <span class="comment">// ----- AssignOneVariableValue decision -----</span></div>
|
|
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>  </div>
|
|
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span> <span class="keyword">class </span>AssignOneVariableValue : <span class="keyword">public</span> Decision {</div>
|
|
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>  AssignOneVariableValue(IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> val);</div>
|
|
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>  ~AssignOneVariableValue()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>  <span class="keywordtype">void</span> Accept(DecisionVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  visitor->VisitSetVariableValue(var_, value_);</div>
|
|
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>  }</div>
|
|
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>  </div>
|
|
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>  IntVar* <span class="keyword">const</span> var_;</div>
|
|
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> value_;</div>
|
|
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span> };</div>
|
|
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>  </div>
|
|
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span> AssignOneVariableValue::AssignOneVariableValue(IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> val)</div>
|
|
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>  : var_(v), value_(val) {}</div>
|
|
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>  </div>
|
|
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span> std::string AssignOneVariableValue::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"[%s == %d] or [%s != %d]"</span>, var_->DebugString(),</div>
|
|
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  value_, var_->DebugString(), value_);</div>
|
|
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span> }</div>
|
|
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>  </div>
|
|
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span> <span class="keywordtype">void</span> AssignOneVariableValue::Apply(Solver* <span class="keyword">const</span> s) { var_->SetValue(value_); }</div>
|
|
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  </div>
|
|
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span> <span class="keywordtype">void</span> AssignOneVariableValue::Refute(Solver* <span class="keyword">const</span> s) {</div>
|
|
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  var_->RemoveValue(value_);</div>
|
|
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span> }</div>
|
|
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>  </div>
|
|
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span> Decision* Solver::MakeAssignVariableValue(IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> val) {</div>
|
|
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> AssignOneVariableValue(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, val));</div>
|
|
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span> }</div>
|
|
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>  </div>
|
|
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span> <span class="comment">// ----- AssignOneVariableValueOrFail decision -----</span></div>
|
|
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>  </div>
|
|
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span> <span class="keyword">class </span>AssignOneVariableValueOrFail : <span class="keyword">public</span> Decision {</div>
|
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<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  AssignOneVariableValueOrFail(IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>  ~AssignOneVariableValueOrFail()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>  <span class="keywordtype">void</span> Accept(DecisionVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  visitor->VisitSetVariableValue(var_, value_);</div>
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<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>  }</div>
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<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>  </div>
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<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>  IntVar* <span class="keyword">const</span> var_;</div>
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<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> value_;</div>
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<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span> };</div>
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<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  </div>
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<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span> AssignOneVariableValueOrFail::AssignOneVariableValueOrFail(IntVar* <span class="keyword">const</span> v,</div>
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<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>)</div>
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<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  : var_(v), value_(<a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {}</div>
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<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  </div>
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<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span> std::string AssignOneVariableValueOrFail::DebugString()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"[%s == %d] or fail"</span>, var_->DebugString(), value_);</div>
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<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span> }</div>
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<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>  </div>
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<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span> <span class="keywordtype">void</span> AssignOneVariableValueOrFail::Apply(Solver* <span class="keyword">const</span> s) {</div>
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<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  var_->SetValue(value_);</div>
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<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span> }</div>
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<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>  </div>
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<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span> <span class="keywordtype">void</span> AssignOneVariableValueOrFail::Refute(Solver* <span class="keyword">const</span> s) { s->Fail(); }</div>
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<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>  </div>
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<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span> Decision* Solver::MakeAssignVariableValueOrFail(IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>,</div>
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<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> AssignOneVariableValueOrFail(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
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|
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span> }</div>
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<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>  </div>
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<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span> <span class="comment">// ----- AssignOneVariableValueOrDoNothing decision -----</span></div>
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<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  </div>
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<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span> <span class="keyword">class </span>AssignOneVariableValueDoNothing : <span class="keyword">public</span> Decision {</div>
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<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  AssignOneVariableValueDoNothing(IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>)</div>
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|
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  : var_(v), value_(<a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {}</div>
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<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  ~AssignOneVariableValueDoNothing()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{ var_->SetValue(value_); }</div>
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|
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{}</div>
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|
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
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|
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"[%s == %d] or []"</span>, var_->DebugString(), value_);</div>
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<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>  }</div>
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|
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  <span class="keywordtype">void</span> Accept(DecisionVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  visitor->VisitSetVariableValue(var_, value_);</div>
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<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>  }</div>
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|
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>  </div>
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<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>  <span class="keyword">private</span>:</div>
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|
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  IntVar* <span class="keyword">const</span> var_;</div>
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<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> value_;</div>
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<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span> };</div>
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|
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>  </div>
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|
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span> } <span class="comment">// namespace</span></div>
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|
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  </div>
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|
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span> Decision* Solver::MakeAssignVariableValueOrDoNothing(IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>,</div>
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|
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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|
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> AssignOneVariableValueDoNothing(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
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|
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span> }</div>
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|
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  </div>
|
|
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span> <span class="comment">// ----- AssignOneVariableValue decision -----</span></div>
|
|
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  </div>
|
|
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span> <span class="keyword">namespace </span>{</div>
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|
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span> <span class="keyword">class </span>SplitOneVariable : <span class="keyword">public</span> Decision {</div>
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|
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>  <span class="keyword">public</span>:</div>
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|
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  SplitOneVariable(IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> val, <span class="keywordtype">bool</span> start_with_lower_half);</div>
|
|
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>  ~SplitOneVariable()<span class="keyword"> override </span>{}</div>
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|
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
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|
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
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|
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  <span class="keywordtype">void</span> Accept(DecisionVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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|
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  visitor->VisitSplitVariableDomain(var_, value_, start_with_lower_half_);</div>
|
|
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  }</div>
|
|
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  </div>
|
|
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>  IntVar* <span class="keyword">const</span> var_;</div>
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|
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> value_;</div>
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|
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> start_with_lower_half_;</div>
|
|
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span> };</div>
|
|
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>  </div>
|
|
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span> SplitOneVariable::SplitOneVariable(IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> val,</div>
|
|
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>  <span class="keywordtype">bool</span> start_with_lower_half)</div>
|
|
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>  : var_(v), value_(val), start_with_lower_half_(start_with_lower_half) {}</div>
|
|
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>  </div>
|
|
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span> std::string SplitOneVariable::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>  <span class="keywordflow">if</span> (start_with_lower_half_) {</div>
|
|
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"[%s <= %d]"</span>, var_->DebugString(), value_);</div>
|
|
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"[%s >= %d]"</span>, var_->DebugString(), value_);</div>
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|
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  }</div>
|
|
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span> }</div>
|
|
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  </div>
|
|
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span> <span class="keywordtype">void</span> SplitOneVariable::Apply(Solver* <span class="keyword">const</span> s) {</div>
|
|
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>  <span class="keywordflow">if</span> (start_with_lower_half_) {</div>
|
|
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>  var_->SetMax(value_);</div>
|
|
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>  var_->SetMin(value_ + 1);</div>
|
|
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>  }</div>
|
|
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span> }</div>
|
|
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  </div>
|
|
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span> <span class="keywordtype">void</span> SplitOneVariable::Refute(Solver* <span class="keyword">const</span> s) {</div>
|
|
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>  <span class="keywordflow">if</span> (start_with_lower_half_) {</div>
|
|
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  var_->SetMin(value_ + 1);</div>
|
|
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>  var_->SetMax(value_);</div>
|
|
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>  }</div>
|
|
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span> }</div>
|
|
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>  </div>
|
|
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span> Decision* Solver::MakeSplitVariableDomain(IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> val,</div>
|
|
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>  <span class="keywordtype">bool</span> start_with_lower_half) {</div>
|
|
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SplitOneVariable(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, val, start_with_lower_half));</div>
|
|
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span> }</div>
|
|
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>  </div>
|
|
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span> Decision* Solver::MakeVariableLessOrEqualValue(IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
|
|
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>  <span class="keywordflow">return</span> MakeSplitVariableDomain(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span> }</div>
|
|
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>  </div>
|
|
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span> Decision* Solver::MakeVariableGreaterOrEqualValue(IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>,</div>
|
|
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
|
|
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  <span class="keywordflow">return</span> MakeSplitVariableDomain(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span> }</div>
|
|
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  </div>
|
|
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span> <span class="comment">// ----- AssignVariablesValues decision -----</span></div>
|
|
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>  </div>
|
|
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span> <span class="keyword">class </span>AssignVariablesValues : <span class="keyword">public</span> Decision {</div>
|
|
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  AssignVariablesValues(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  <span class="keyword">const</span> std::vector<int64>& values);</div>
|
|
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>  ~AssignVariablesValues()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>  <span class="keywordtype">void</span> Accept(DecisionVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
|
|
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  visitor->VisitSetVariableValue(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i], values_[i]);</div>
|
|
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>  }</div>
|
|
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>  }</div>
|
|
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>  </div>
|
|
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>  visitor->BeginVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
|
|
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>  visitor->VisitIntegerVariableArrayArgument(ModelVisitor::kVarsArgument,</div>
|
|
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>);</div>
|
|
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>  visitor->EndVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
|
|
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>  }</div>
|
|
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  </div>
|
|
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>  <span class="keyword">const</span> std::vector<IntVar*> <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>;</div>
|
|
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>  <span class="keyword">const</span> std::vector<int64> values_;</div>
|
|
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span> };</div>
|
|
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  </div>
|
|
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span> AssignVariablesValues::AssignVariablesValues(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  <span class="keyword">const</span> std::vector<int64>& values)</div>
|
|
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>  : <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>(vars), values_(values) {}</div>
|
|
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>  </div>
|
|
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span> std::string AssignVariablesValues::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>  std::string out;</div>
|
|
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
|
|
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>  absl::StrAppendFormat(&out, <span class="stringliteral">"[%s == %d]"</span>, <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->DebugString(),</div>
|
|
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>  values_[i]);</div>
|
|
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>  }</div>
|
|
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>  <span class="keywordflow">return</span> out;</div>
|
|
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span> }</div>
|
|
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>  </div>
|
|
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span> <span class="keywordtype">void</span> AssignVariablesValues::Apply(Solver* <span class="keyword">const</span> s) {</div>
|
|
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
|
|
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]->SetValue(values_[i]);</div>
|
|
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>  }</div>
|
|
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span> }</div>
|
|
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>  </div>
|
|
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span> <span class="keywordtype">void</span> AssignVariablesValues::Refute(Solver* <span class="keyword">const</span> s) {</div>
|
|
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>  std::vector<IntVar*> terms;</div>
|
|
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
|
|
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>  IntVar* term = s->MakeBoolVar();</div>
|
|
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>  s->MakeIsDifferentCstCt(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i], values_[i], term);</div>
|
|
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>  terms.push_back(term);</div>
|
|
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>  }</div>
|
|
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>  s->AddConstraint(s->MakeSumGreaterOrEqual(terms, 1));</div>
|
|
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span> }</div>
|
|
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>  </div>
|
|
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span> Decision* Solver::MakeAssignVariablesValues(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>  <span class="keyword">const</span> std::vector<int64>& values) {</div>
|
|
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  CHECK_EQ(vars.size(), values.size());</div>
|
|
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> AssignVariablesValues(vars, values));</div>
|
|
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span> }</div>
|
|
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>  </div>
|
|
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span> <span class="comment">// ----- AssignAllVariables -----</span></div>
|
|
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>  </div>
|
|
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span> <span class="keyword">class </span>BaseAssignVariables : <span class="keyword">public</span> DecisionBuilder {</div>
|
|
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>  <span class="keyword">enum</span> Mode {</div>
|
|
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>  ASSIGN,</div>
|
|
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  SPLIT_LOWER,</div>
|
|
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>  SPLIT_UPPER,</div>
|
|
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  };</div>
|
|
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>  </div>
|
|
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>  BaseAssignVariables(BaseVariableAssignmentSelector* <span class="keyword">const</span> selector, Mode mode)</div>
|
|
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>  : <a class="code" href="search_8cc.html#a55ed096f6ff13bef2f7e921ffe4dda27">selector_</a>(selector), <a class="code" href="search_8cc.html#afe4345441b876a15541007d399b047f1">mode_</a>(mode) {}</div>
|
|
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>  </div>
|
|
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>  ~BaseAssignVariables() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>  Decision* Next(Solver* <span class="keyword">const</span> s) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>  <span class="keyword">static</span> BaseAssignVariables* MakePhase(</div>
|
|
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>  Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>  Solver::VariableIndexSelector var_selector,</div>
|
|
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>  Solver::VariableValueSelector value_selector,</div>
|
|
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>  <span class="keyword">const</span> std::string& value_selector_name, BaseAssignVariables::Mode mode);</div>
|
|
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>  </div>
|
|
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>  <span class="keyword">static</span> Solver::VariableIndexSelector MakeVariableSelector(</div>
|
|
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>  Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>  Solver::IntVarStrategy str) {</div>
|
|
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>  <span class="keywordflow">switch</span> (str) {</div>
|
|
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>  <span class="keywordflow">case</span> Solver::INT_VAR_DEFAULT:</div>
|
|
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>  <span class="keywordflow">case</span> Solver::INT_VAR_SIMPLE:</div>
|
|
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>  <span class="keywordflow">case</span> Solver::CHOOSE_FIRST_UNBOUND:</div>
|
|
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>  <span class="keywordflow">return</span> ChooseFirstUnbound;</div>
|
|
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>  <span class="keywordflow">case</span> Solver::CHOOSE_RANDOM:</div>
|
|
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>  <span class="keywordflow">return</span> ChooseRandom;</div>
|
|
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE_LOWEST_MIN:</div>
|
|
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>  <span class="keywordflow">return</span> ChooseMinSizeLowestMin;</div>
|
|
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE_HIGHEST_MIN:</div>
|
|
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>  <span class="keywordflow">return</span> ChooseMinSizeHighestMin;</div>
|
|
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE_LOWEST_MAX:</div>
|
|
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>  <span class="keywordflow">return</span> ChooseMinSizeLowestMax;</div>
|
|
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE_HIGHEST_MAX:</div>
|
|
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>  <span class="keywordflow">return</span> ChooseMinSizeHighestMax;</div>
|
|
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>  <span class="keywordflow">case</span> Solver::CHOOSE_LOWEST_MIN:</div>
|
|
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>  <span class="keywordflow">return</span> ChooseLowestMin;</div>
|
|
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>  <span class="keywordflow">case</span> Solver::CHOOSE_HIGHEST_MAX:</div>
|
|
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>  <span class="keywordflow">return</span> ChooseHighestMax;</div>
|
|
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE:</div>
|
|
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>  <span class="keywordflow">return</span> ChooseMinSize;</div>
|
|
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MAX_SIZE:</div>
|
|
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>  <span class="keywordflow">return</span> ChooseMaxSize;</div>
|
|
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MAX_REGRET_ON_MIN: {</div>
|
|
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>  HighestRegretSelectorOnMin* <span class="keyword">const</span> selector =</div>
|
|
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>  s->RevAlloc(<span class="keyword">new</span> HighestRegretSelectorOnMin(vars));</div>
|
|
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>  <span class="keywordflow">return</span> [selector](Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>  <span class="keywordtype">int</span> first_unbound, <span class="keywordtype">int</span> last_unbound) {</div>
|
|
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>  <span class="keywordflow">return</span> selector->Choose(solver, vars, first_unbound, last_unbound);</div>
|
|
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  };</div>
|
|
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>  }</div>
|
|
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>  <span class="keywordflow">case</span> Solver::CHOOSE_PATH: {</div>
|
|
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>  PathSelector* <span class="keyword">const</span> selector = s->RevAlloc(<span class="keyword">new</span> PathSelector());</div>
|
|
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>  <span class="keywordflow">return</span> [selector](Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>  <span class="keywordtype">int</span> first_unbound, <span class="keywordtype">int</span> last_unbound) {</div>
|
|
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>  <span class="keywordflow">return</span> selector->Choose(solver, vars, first_unbound, last_unbound);</div>
|
|
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>  };</div>
|
|
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  }</div>
|
|
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>  LOG(FATAL) << <span class="stringliteral">"Unknown int var strategy "</span> << str;</div>
|
|
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  }</div>
|
|
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>  }</div>
|
|
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>  </div>
|
|
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>  <span class="keyword">static</span> Solver::VariableValueSelector MakeValueSelector(</div>
|
|
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>  Solver* <span class="keyword">const</span> s, Solver::IntValueStrategy val_str) {</div>
|
|
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>  <span class="keywordflow">switch</span> (val_str) {</div>
|
|
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>  <span class="keywordflow">case</span> Solver::INT_VALUE_DEFAULT:</div>
|
|
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>  <span class="keywordflow">case</span> Solver::INT_VALUE_SIMPLE:</div>
|
|
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>  <span class="keywordflow">case</span> Solver::ASSIGN_MIN_VALUE:</div>
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|
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  <span class="keywordflow">return</span> SelectMinValue;</div>
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<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>  <span class="keywordflow">case</span> Solver::ASSIGN_MAX_VALUE:</div>
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|
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>  <span class="keywordflow">return</span> SelectMaxValue;</div>
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<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>  <span class="keywordflow">case</span> Solver::ASSIGN_RANDOM_VALUE:</div>
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|
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>  <span class="keywordflow">return</span> SelectRandomValue;</div>
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|
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>  <span class="keywordflow">case</span> Solver::ASSIGN_CENTER_VALUE:</div>
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<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>  <span class="keywordflow">return</span> SelectCenterValue;</div>
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<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  <span class="keywordflow">case</span> Solver::SPLIT_LOWER_HALF:</div>
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<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>  <span class="keywordflow">return</span> SelectSplitValue;</div>
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|
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>  <span class="keywordflow">case</span> Solver::SPLIT_UPPER_HALF:</div>
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|
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>  <span class="keywordflow">return</span> SelectSplitValue;</div>
|
|
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>  <span class="keywordflow">default</span>:</div>
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|
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>  LOG(FATAL) << <span class="stringliteral">"Unknown int value strategy "</span> << val_str;</div>
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|
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>  }</div>
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<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>  }</div>
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<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>  </div>
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<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>  <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>  <a class="code" href="search_8cc.html#a55ed096f6ff13bef2f7e921ffe4dda27">selector_</a>->Accept(visitor);</div>
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<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>  }</div>
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<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>  </div>
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<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>  <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l01850"></a><span class="lineno"><a class="line" href="search_8cc.html#a55ed096f6ff13bef2f7e921ffe4dda27"> 1850</a></span>  BaseVariableAssignmentSelector* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a55ed096f6ff13bef2f7e921ffe4dda27">selector_</a>;</div>
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<div class="line"><a name="l01851"></a><span class="lineno"><a class="line" href="search_8cc.html#afe4345441b876a15541007d399b047f1"> 1851</a></span>  <span class="keyword">const</span> Mode <a class="code" href="search_8cc.html#afe4345441b876a15541007d399b047f1">mode_</a>;</div>
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<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span> };</div>
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<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>  </div>
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<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span> BaseAssignVariables::~BaseAssignVariables() {}</div>
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<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>  </div>
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<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span> Decision* BaseAssignVariables::Next(Solver* <span class="keyword">const</span> s) {</div>
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<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars = <a class="code" href="search_8cc.html#a55ed096f6ff13bef2f7e921ffe4dda27">selector_</a>->vars();</div>
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<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>  <span class="keywordtype">int</span> <span class="keywordtype">id</span> = <a class="code" href="search_8cc.html#a55ed096f6ff13bef2f7e921ffe4dda27">selector_</a>->ChooseVariableWrapper();</div>
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|
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>  <span class="keywordflow">if</span> (<span class="keywordtype">id</span> >= 0 && <span class="keywordtype">id</span> < vars.size()) {</div>
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<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = vars[id];</div>
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<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = <a class="code" href="search_8cc.html#a55ed096f6ff13bef2f7e921ffe4dda27">selector_</a>->SelectValue(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <span class="keywordtype">id</span>);</div>
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<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>  <span class="keywordflow">switch</span> (<a class="code" href="search_8cc.html#afe4345441b876a15541007d399b047f1">mode_</a>) {</div>
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|
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>  <span class="keywordflow">case</span> ASSIGN:</div>
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|
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>  <span class="keywordflow">return</span> s->RevAlloc(<span class="keyword">new</span> AssignOneVariableValue(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
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|
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>  <span class="keywordflow">case</span> SPLIT_LOWER:</div>
|
|
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>  <span class="keywordflow">return</span> s->RevAlloc(<span class="keyword">new</span> SplitOneVariable(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <span class="keyword">true</span>));</div>
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|
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>  <span class="keywordflow">case</span> SPLIT_UPPER:</div>
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|
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>  <span class="keywordflow">return</span> s->RevAlloc(<span class="keyword">new</span> SplitOneVariable(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <span class="keyword">false</span>));</div>
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|
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>  }</div>
|
|
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>  }</div>
|
|
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span> }</div>
|
|
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>  </div>
|
|
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span> std::string BaseAssignVariables::DebugString()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>  <span class="keywordflow">return</span> <a class="code" href="search_8cc.html#a55ed096f6ff13bef2f7e921ffe4dda27">selector_</a>->DebugString();</div>
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|
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span> }</div>
|
|
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>  </div>
|
|
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span> BaseAssignVariables* BaseAssignVariables::MakePhase(</div>
|
|
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>  Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>  Solver::VariableIndexSelector var_selector,</div>
|
|
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>  Solver::VariableValueSelector value_selector,</div>
|
|
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>  <span class="keyword">const</span> std::string& value_selector_name, BaseAssignVariables::Mode mode) {</div>
|
|
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>  BaseVariableAssignmentSelector* <span class="keyword">const</span> selector =</div>
|
|
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>  s->RevAlloc(<span class="keyword">new</span> VariableAssignmentSelector(</div>
|
|
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>  s, vars, std::move(var_selector), std::move(value_selector),</div>
|
|
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>  value_selector_name));</div>
|
|
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>  <span class="keywordflow">return</span> s->RevAlloc(<span class="keyword">new</span> BaseAssignVariables(selector, mode));</div>
|
|
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span> }</div>
|
|
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>  </div>
|
|
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span> std::string ChooseVariableName(Solver::IntVarStrategy var_str) {</div>
|
|
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>  <span class="keywordflow">switch</span> (var_str) {</div>
|
|
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>  <span class="keywordflow">case</span> Solver::INT_VAR_DEFAULT:</div>
|
|
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>  <span class="keywordflow">case</span> Solver::INT_VAR_SIMPLE:</div>
|
|
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>  <span class="keywordflow">case</span> Solver::CHOOSE_FIRST_UNBOUND:</div>
|
|
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseFirstUnbound"</span>;</div>
|
|
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>  <span class="keywordflow">case</span> Solver::CHOOSE_RANDOM:</div>
|
|
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseRandom"</span>;</div>
|
|
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE_LOWEST_MIN:</div>
|
|
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseMinSizeLowestMin"</span>;</div>
|
|
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE_HIGHEST_MIN:</div>
|
|
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseMinSizeHighestMin"</span>;</div>
|
|
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE_LOWEST_MAX:</div>
|
|
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseMinSizeLowestMax"</span>;</div>
|
|
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE_HIGHEST_MAX:</div>
|
|
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseMinSizeHighestMax"</span>;</div>
|
|
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>  <span class="keywordflow">case</span> Solver::CHOOSE_LOWEST_MIN:</div>
|
|
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseLowestMin"</span>;</div>
|
|
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>  <span class="keywordflow">case</span> Solver::CHOOSE_HIGHEST_MAX:</div>
|
|
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseHighestMax"</span>;</div>
|
|
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SIZE:</div>
|
|
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseMinSize"</span>;</div>
|
|
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MAX_SIZE:</div>
|
|
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ChooseMaxSize;"</span>;</div>
|
|
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MAX_REGRET_ON_MIN:</div>
|
|
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>  <span class="keywordflow">return</span> <span class="stringliteral">"HighestRegretSelectorOnMin"</span>;</div>
|
|
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>  <span class="keywordflow">case</span> Solver::CHOOSE_PATH:</div>
|
|
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>  <span class="keywordflow">return</span> <span class="stringliteral">"PathSelector"</span>;</div>
|
|
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>  LOG(FATAL) << <span class="stringliteral">"Unknown int var strategy "</span> << var_str;</div>
|
|
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>  }</div>
|
|
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span> }</div>
|
|
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>  </div>
|
|
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span> std::string SelectValueName(Solver::IntValueStrategy val_str) {</div>
|
|
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>  <span class="keywordflow">switch</span> (val_str) {</div>
|
|
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>  <span class="keywordflow">case</span> Solver::INT_VALUE_DEFAULT:</div>
|
|
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>  <span class="keywordflow">case</span> Solver::INT_VALUE_SIMPLE:</div>
|
|
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>  <span class="keywordflow">case</span> Solver::ASSIGN_MIN_VALUE:</div>
|
|
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>  <span class="keywordflow">return</span> <span class="stringliteral">"SelectMinValue"</span>;</div>
|
|
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>  <span class="keywordflow">case</span> Solver::ASSIGN_MAX_VALUE:</div>
|
|
<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>  <span class="keywordflow">return</span> <span class="stringliteral">"SelectMaxValue"</span>;</div>
|
|
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>  <span class="keywordflow">case</span> Solver::ASSIGN_RANDOM_VALUE:</div>
|
|
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>  <span class="keywordflow">return</span> <span class="stringliteral">"SelectRandomValue"</span>;</div>
|
|
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>  <span class="keywordflow">case</span> Solver::ASSIGN_CENTER_VALUE:</div>
|
|
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>  <span class="keywordflow">return</span> <span class="stringliteral">"SelectCenterValue"</span>;</div>
|
|
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>  <span class="keywordflow">case</span> Solver::SPLIT_LOWER_HALF:</div>
|
|
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>  <span class="keywordflow">return</span> <span class="stringliteral">"SelectSplitValue"</span>;</div>
|
|
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>  <span class="keywordflow">case</span> Solver::SPLIT_UPPER_HALF:</div>
|
|
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>  <span class="keywordflow">return</span> <span class="stringliteral">"SelectSplitValue"</span>;</div>
|
|
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>  LOG(FATAL) << <span class="stringliteral">"Unknown int value strategy "</span> << val_str;</div>
|
|
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>  }</div>
|
|
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span> }</div>
|
|
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>  </div>
|
|
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span> std::string BuildHeuristicsName(Solver::IntVarStrategy var_str,</div>
|
|
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>  Solver::IntValueStrategy val_str) {</div>
|
|
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>  <span class="keywordflow">return</span> ChooseVariableName(var_str) + <span class="stringliteral">"_"</span> + SelectValueName(val_str);</div>
|
|
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span> }</div>
|
|
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>  </div>
|
|
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span> DecisionBuilder* Solver::MakePhase(IntVar* <span class="keyword">const</span> v0,</div>
|
|
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>  Solver::IntVarStrategy var_str,</div>
|
|
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>  Solver::IntValueStrategy val_str) {</div>
|
|
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>  std::vector<IntVar*> vars(1);</div>
|
|
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span>  vars[0] = v0;</div>
|
|
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>  <span class="keywordflow">return</span> MakePhase(vars, var_str, val_str);</div>
|
|
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span> }</div>
|
|
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span>  </div>
|
|
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span> DecisionBuilder* Solver::MakePhase(IntVar* <span class="keyword">const</span> v0, IntVar* <span class="keyword">const</span> v1,</div>
|
|
<div class="line"><a name="l01961"></a><span class="lineno"> 1961</span>  Solver::IntVarStrategy var_str,</div>
|
|
<div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>  Solver::IntValueStrategy val_str) {</div>
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<div class="line"><a name="l01963"></a><span class="lineno"> 1963</span>  std::vector<IntVar*> vars(2);</div>
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<div class="line"><a name="l01964"></a><span class="lineno"> 1964</span>  vars[0] = v0;</div>
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<div class="line"><a name="l01965"></a><span class="lineno"> 1965</span>  vars[1] = v1;</div>
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<div class="line"><a name="l01966"></a><span class="lineno"> 1966</span>  <span class="keywordflow">return</span> MakePhase(vars, var_str, val_str);</div>
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<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span> }</div>
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<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span>  </div>
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<div class="line"><a name="l01969"></a><span class="lineno"> 1969</span> DecisionBuilder* Solver::MakePhase(IntVar* <span class="keyword">const</span> v0, IntVar* <span class="keyword">const</span> v1,</div>
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<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span>  IntVar* <span class="keyword">const</span> v2,</div>
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<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span>  Solver::IntVarStrategy var_str,</div>
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<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>  Solver::IntValueStrategy val_str) {</div>
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<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>  std::vector<IntVar*> vars(3);</div>
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<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>  vars[0] = v0;</div>
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<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>  vars[1] = v1;</div>
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<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>  vars[2] = v2;</div>
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<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>  <span class="keywordflow">return</span> MakePhase(vars, var_str, val_str);</div>
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<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span> }</div>
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<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>  </div>
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<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span> DecisionBuilder* Solver::MakePhase(IntVar* <span class="keyword">const</span> v0, IntVar* <span class="keyword">const</span> v1,</div>
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<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span>  IntVar* <span class="keyword">const</span> v2, IntVar* <span class="keyword">const</span> v3,</div>
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<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>  Solver::IntVarStrategy var_str,</div>
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<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>  Solver::IntValueStrategy val_str) {</div>
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<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>  std::vector<IntVar*> vars(4);</div>
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<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>  vars[0] = v0;</div>
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<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>  vars[1] = v1;</div>
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<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span>  vars[2] = v2;</div>
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<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span>  vars[3] = v3;</div>
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<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>  <span class="keywordflow">return</span> MakePhase(vars, var_str, val_str);</div>
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<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span> }</div>
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<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>  </div>
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<div class="line"><a name="l01992"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#af7dae3ea7fbd3c3a43dd7d5a28ca544b"> 1992</a></span> BaseAssignVariables::Mode <a class="code" href="namespaceoperations__research.html#af7dae3ea7fbd3c3a43dd7d5a28ca544b">ChooseMode</a>(Solver::IntValueStrategy val_str) {</div>
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<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>  BaseAssignVariables::Mode mode = BaseAssignVariables::ASSIGN;</div>
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<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>  <span class="keywordflow">if</span> (val_str == Solver::SPLIT_LOWER_HALF) {</div>
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<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span>  mode = BaseAssignVariables::SPLIT_LOWER;</div>
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<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (val_str == Solver::SPLIT_UPPER_HALF) {</div>
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<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>  mode = BaseAssignVariables::SPLIT_UPPER;</div>
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<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>  }</div>
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<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span>  <span class="keywordflow">return</span> mode;</div>
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<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span> }</div>
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<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>  </div>
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<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>  Solver::IntVarStrategy var_str,</div>
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<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>  Solver::IntValueStrategy val_str) {</div>
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<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>  Solver::VariableIndexSelector var_selector =</div>
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<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>  BaseAssignVariables::MakeVariableSelector(<span class="keyword">this</span>, vars, var_str);</div>
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<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>  Solver::VariableValueSelector value_selector =</div>
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<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>  BaseAssignVariables::MakeValueSelector(<span class="keyword">this</span>, val_str);</div>
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<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>  <span class="keyword">const</span> std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = BuildHeuristicsName(var_str, val_str);</div>
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<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>  <span class="keywordflow">return</span> BaseAssignVariables::MakePhase(</div>
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<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>  <span class="keyword">this</span>, vars, var_selector, value_selector, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <a class="code" href="namespaceoperations__research.html#af7dae3ea7fbd3c3a43dd7d5a28ca544b">ChooseMode</a>(val_str));</div>
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<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span> }</div>
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<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>  </div>
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<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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|
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>  Solver::IndexEvaluator1 var_evaluator,</div>
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<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>  Solver::IntValueStrategy val_str) {</div>
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|
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>  CHECK(var_evaluator != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>  CheapestVarSelector* <span class="keyword">const</span> var_selector =</div>
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|
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>  RevAlloc(<span class="keyword">new</span> CheapestVarSelector(std::move(var_evaluator)));</div>
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|
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>  Solver::VariableIndexSelector choose_variable =</div>
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|
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>  [var_selector](Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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|
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>  <span class="keywordtype">int</span> first_unbound, <span class="keywordtype">int</span> last_unbound) {</div>
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|
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>  <span class="keywordflow">return</span> var_selector->Choose(solver, vars, first_unbound, last_unbound);</div>
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|
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>  };</div>
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|
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>  Solver::VariableValueSelector select_value =</div>
|
|
<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>  BaseAssignVariables::MakeValueSelector(<span class="keyword">this</span>, val_str);</div>
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|
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>  <span class="keyword">const</span> std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = <span class="stringliteral">"ChooseCheapestVariable_"</span> + SelectValueName(val_str);</div>
|
|
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>  <span class="keywordflow">return</span> BaseAssignVariables::MakePhase(</div>
|
|
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span>  <span class="keyword">this</span>, vars, choose_variable, select_value, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <a class="code" href="namespaceoperations__research.html#af7dae3ea7fbd3c3a43dd7d5a28ca544b">ChooseMode</a>(val_str));</div>
|
|
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span> }</div>
|
|
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>  </div>
|
|
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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|
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span>  Solver::IntVarStrategy var_str,</div>
|
|
<div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>  Solver::IndexEvaluator2 value_evaluator) {</div>
|
|
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</span>  Solver::VariableIndexSelector choose_variable =</div>
|
|
<div class="line"><a name="l02036"></a><span class="lineno"> 2036</span>  BaseAssignVariables::MakeVariableSelector(<span class="keyword">this</span>, vars, var_str);</div>
|
|
<div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>  CheapestValueSelector* <span class="keyword">const</span> value_selector =</div>
|
|
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>  RevAlloc(<span class="keyword">new</span> CheapestValueSelector(std::move(value_evaluator), <span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>  Solver::VariableValueSelector select_value =</div>
|
|
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>  [value_selector](<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> id) {</div>
|
|
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>  <span class="keywordflow">return</span> value_selector->Select(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>  };</div>
|
|
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>  <span class="keyword">const</span> std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> = ChooseVariableName(var_str) + <span class="stringliteral">"_SelectCheapestValue"</span>;</div>
|
|
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span>  <span class="keywordflow">return</span> BaseAssignVariables::MakePhase(<span class="keyword">this</span>, vars, choose_variable,</div>
|
|
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span>  select_value, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>,</div>
|
|
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span>  BaseAssignVariables::ASSIGN);</div>
|
|
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span> }</div>
|
|
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span>  </div>
|
|
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span> DecisionBuilder* Solver::MakePhase(</div>
|
|
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars, IntVarStrategy var_str,</div>
|
|
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span>  VariableValueComparator var_val1_val2_comparator) {</div>
|
|
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span>  Solver::VariableIndexSelector choose_variable =</div>
|
|
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span>  BaseAssignVariables::MakeVariableSelector(<span class="keyword">this</span>, vars, var_str);</div>
|
|
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>  BestValueByComparisonSelector* <span class="keyword">const</span> value_selector = RevAlloc(</div>
|
|
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span>  <span class="keyword">new</span> BestValueByComparisonSelector(std::move(var_val1_val2_comparator)));</div>
|
|
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>  Solver::VariableValueSelector select_value =</div>
|
|
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>  [value_selector](<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> id) {</div>
|
|
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span>  <span class="keywordflow">return</span> value_selector->Select(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span>  };</div>
|
|
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>  <span class="keywordflow">return</span> BaseAssignVariables::MakePhase(<span class="keyword">this</span>, vars, choose_variable,</div>
|
|
<div class="line"><a name="l02061"></a><span class="lineno"> 2061</span>  select_value, <span class="stringliteral">"CheapestValue"</span>,</div>
|
|
<div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>  BaseAssignVariables::ASSIGN);</div>
|
|
<div class="line"><a name="l02063"></a><span class="lineno"> 2063</span> }</div>
|
|
<div class="line"><a name="l02064"></a><span class="lineno"> 2064</span>  </div>
|
|
<div class="line"><a name="l02065"></a><span class="lineno"> 2065</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l02066"></a><span class="lineno"> 2066</span>  Solver::IndexEvaluator1 var_evaluator,</div>
|
|
<div class="line"><a name="l02067"></a><span class="lineno"> 2067</span>  Solver::IndexEvaluator2 value_evaluator) {</div>
|
|
<div class="line"><a name="l02068"></a><span class="lineno"> 2068</span>  CheapestVarSelector* <span class="keyword">const</span> var_selector =</div>
|
|
<div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>  RevAlloc(<span class="keyword">new</span> CheapestVarSelector(std::move(var_evaluator)));</div>
|
|
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</span>  Solver::VariableIndexSelector choose_variable =</div>
|
|
<div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>  [var_selector](Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>  <span class="keywordtype">int</span> first_unbound, <span class="keywordtype">int</span> last_unbound) {</div>
|
|
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>  <span class="keywordflow">return</span> var_selector->Choose(solver, vars, first_unbound, last_unbound);</div>
|
|
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>  };</div>
|
|
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>  CheapestValueSelector* value_selector =</div>
|
|
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>  RevAlloc(<span class="keyword">new</span> CheapestValueSelector(std::move(value_evaluator), <span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>  Solver::VariableValueSelector select_value =</div>
|
|
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span>  [value_selector](<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> id) {</div>
|
|
<div class="line"><a name="l02079"></a><span class="lineno"> 2079</span>  <span class="keywordflow">return</span> value_selector->Select(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l02080"></a><span class="lineno"> 2080</span>  };</div>
|
|
<div class="line"><a name="l02081"></a><span class="lineno"> 2081</span>  <span class="keywordflow">return</span> BaseAssignVariables::MakePhase(<span class="keyword">this</span>, vars, choose_variable,</div>
|
|
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span>  select_value, <span class="stringliteral">"CheapestValue"</span>,</div>
|
|
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>  BaseAssignVariables::ASSIGN);</div>
|
|
<div class="line"><a name="l02084"></a><span class="lineno"> 2084</span> }</div>
|
|
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>  </div>
|
|
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>  Solver::IntVarStrategy var_str,</div>
|
|
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>  Solver::IndexEvaluator2 value_evaluator,</div>
|
|
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>  Solver::IndexEvaluator1 tie_breaker) {</div>
|
|
<div class="line"><a name="l02090"></a><span class="lineno"> 2090</span>  Solver::VariableIndexSelector choose_variable =</div>
|
|
<div class="line"><a name="l02091"></a><span class="lineno"> 2091</span>  BaseAssignVariables::MakeVariableSelector(<span class="keyword">this</span>, vars, var_str);</div>
|
|
<div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>  CheapestValueSelector* value_selector = RevAlloc(<span class="keyword">new</span> CheapestValueSelector(</div>
|
|
<div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>  std::move(value_evaluator), std::move(tie_breaker)));</div>
|
|
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span>  Solver::VariableValueSelector select_value =</div>
|
|
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>  [value_selector](<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> id) {</div>
|
|
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span>  <span class="keywordflow">return</span> value_selector->Select(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>  };</div>
|
|
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span>  <span class="keywordflow">return</span> BaseAssignVariables::MakePhase(<span class="keyword">this</span>, vars, choose_variable,</div>
|
|
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>  select_value, <span class="stringliteral">"CheapestValue"</span>,</div>
|
|
<div class="line"><a name="l02100"></a><span class="lineno"> 2100</span>  BaseAssignVariables::ASSIGN);</div>
|
|
<div class="line"><a name="l02101"></a><span class="lineno"> 2101</span> }</div>
|
|
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>  </div>
|
|
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l02104"></a><span class="lineno"> 2104</span>  Solver::IndexEvaluator1 var_evaluator,</div>
|
|
<div class="line"><a name="l02105"></a><span class="lineno"> 2105</span>  Solver::IndexEvaluator2 value_evaluator,</div>
|
|
<div class="line"><a name="l02106"></a><span class="lineno"> 2106</span>  Solver::IndexEvaluator1 tie_breaker) {</div>
|
|
<div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>  CheapestVarSelector* <span class="keyword">const</span> var_selector =</div>
|
|
<div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>  RevAlloc(<span class="keyword">new</span> CheapestVarSelector(std::move(var_evaluator)));</div>
|
|
<div class="line"><a name="l02109"></a><span class="lineno"> 2109</span>  Solver::VariableIndexSelector choose_variable =</div>
|
|
<div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>  [var_selector](Solver* solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>  <span class="keywordtype">int</span> first_unbound, <span class="keywordtype">int</span> last_unbound) {</div>
|
|
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>  <span class="keywordflow">return</span> var_selector->Choose(solver, vars, first_unbound, last_unbound);</div>
|
|
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span>  };</div>
|
|
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span>  CheapestValueSelector* value_selector = RevAlloc(<span class="keyword">new</span> CheapestValueSelector(</div>
|
|
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>  std::move(value_evaluator), std::move(tie_breaker)));</div>
|
|
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>  Solver::VariableValueSelector select_value =</div>
|
|
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>  [value_selector](<span class="keyword">const</span> IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> id) {</div>
|
|
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>  <span class="keywordflow">return</span> value_selector->Select(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <span class="keywordtype">id</span>);</div>
|
|
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>  };</div>
|
|
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span>  <span class="keywordflow">return</span> BaseAssignVariables::MakePhase(<span class="keyword">this</span>, vars, choose_variable,</div>
|
|
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span>  select_value, <span class="stringliteral">"CheapestValue"</span>,</div>
|
|
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span>  BaseAssignVariables::ASSIGN);</div>
|
|
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span> }</div>
|
|
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>  </div>
|
|
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>  Solver::IndexEvaluator2 eval,</div>
|
|
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>  Solver::EvaluatorStrategy str) {</div>
|
|
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>  <span class="keywordflow">return</span> MakePhase(vars, std::move(eval), <span class="keyword">nullptr</span>, str);</div>
|
|
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span> }</div>
|
|
<div class="line"><a name="l02130"></a><span class="lineno"> 2130</span>  </div>
|
|
<div class="line"><a name="l02131"></a><span class="lineno"> 2131</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>  Solver::IndexEvaluator2 eval,</div>
|
|
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>  Solver::IndexEvaluator1 tie_breaker,</div>
|
|
<div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>  Solver::EvaluatorStrategy str) {</div>
|
|
<div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>  BaseVariableAssignmentSelector* selector = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l02136"></a><span class="lineno"> 2136</span>  <span class="keywordflow">switch</span> (str) {</div>
|
|
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span>  <span class="keywordflow">case</span> Solver::CHOOSE_STATIC_GLOBAL_BEST: {</div>
|
|
<div class="line"><a name="l02138"></a><span class="lineno"> 2138</span>  <span class="comment">// TODO(user): support tie breaker</span></div>
|
|
<div class="line"><a name="l02139"></a><span class="lineno"> 2139</span>  selector = RevAlloc(<span class="keyword">new</span> StaticEvaluatorSelector(<span class="keyword">this</span>, vars, eval));</div>
|
|
<div class="line"><a name="l02140"></a><span class="lineno"> 2140</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02141"></a><span class="lineno"> 2141</span>  }</div>
|
|
<div class="line"><a name="l02142"></a><span class="lineno"> 2142</span>  <span class="keywordflow">case</span> Solver::CHOOSE_DYNAMIC_GLOBAL_BEST: {</div>
|
|
<div class="line"><a name="l02143"></a><span class="lineno"> 2143</span>  selector = RevAlloc(<span class="keyword">new</span> DynamicEvaluatorSelector(<span class="keyword">this</span>, vars, eval,</div>
|
|
<div class="line"><a name="l02144"></a><span class="lineno"> 2144</span>  std::move(tie_breaker)));</div>
|
|
<div class="line"><a name="l02145"></a><span class="lineno"> 2145</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l02146"></a><span class="lineno"> 2146</span>  }</div>
|
|
<div class="line"><a name="l02147"></a><span class="lineno"> 2147</span>  }</div>
|
|
<div class="line"><a name="l02148"></a><span class="lineno"> 2148</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
|
<div class="line"><a name="l02149"></a><span class="lineno"> 2149</span>  <span class="keyword">new</span> BaseAssignVariables(selector, BaseAssignVariables::ASSIGN));</div>
|
|
<div class="line"><a name="l02150"></a><span class="lineno"> 2150</span> }</div>
|
|
<div class="line"><a name="l02151"></a><span class="lineno"> 2151</span>  </div>
|
|
<div class="line"><a name="l02152"></a><span class="lineno"> 2152</span> <span class="comment">// ----- AssignAllVariablesFromAssignment decision builder -----</span></div>
|
|
<div class="line"><a name="l02153"></a><span class="lineno"> 2153</span>  </div>
|
|
<div class="line"><a name="l02154"></a><span class="lineno"> 2154</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span> <span class="keyword">class </span>AssignVariablesFromAssignment : <span class="keyword">public</span> DecisionBuilder {</div>
|
|
<div class="line"><a name="l02156"></a><span class="lineno"> 2156</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>  AssignVariablesFromAssignment(<span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment,</div>
|
|
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>  DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l02159"></a><span class="lineno"> 2159</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars)</div>
|
|
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</span>  : assignment_(assignment), db_(db), <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>(vars), iter_(0) {}</div>
|
|
<div class="line"><a name="l02161"></a><span class="lineno"> 2161</span>  </div>
|
|
<div class="line"><a name="l02162"></a><span class="lineno"> 2162</span>  ~AssignVariablesFromAssignment()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span>  </div>
|
|
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span>  Decision* Next(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>  <span class="keywordflow">if</span> (iter_ < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size()) {</div>
|
|
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[iter_++];</div>
|
|
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span>  <span class="keywordflow">return</span> s->RevAlloc(</div>
|
|
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span>  <span class="keyword">new</span> AssignOneVariableValue(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, assignment_->Value(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>)));</div>
|
|
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span>  <span class="keywordflow">return</span> db_->Next(s);</div>
|
|
<div class="line"><a name="l02171"></a><span class="lineno"> 2171</span>  }</div>
|
|
<div class="line"><a name="l02172"></a><span class="lineno"> 2172</span>  }</div>
|
|
<div class="line"><a name="l02173"></a><span class="lineno"> 2173</span>  </div>
|
|
<div class="line"><a name="l02174"></a><span class="lineno"> 2174</span>  <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l02175"></a><span class="lineno"> 2175</span>  visitor->BeginVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
|
|
<div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>  visitor->VisitIntegerVariableArrayArgument(ModelVisitor::kVarsArgument,</div>
|
|
<div class="line"><a name="l02177"></a><span class="lineno"> 2177</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>);</div>
|
|
<div class="line"><a name="l02178"></a><span class="lineno"> 2178</span>  visitor->EndVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
|
|
<div class="line"><a name="l02179"></a><span class="lineno"> 2179</span>  }</div>
|
|
<div class="line"><a name="l02180"></a><span class="lineno"> 2180</span>  </div>
|
|
<div class="line"><a name="l02181"></a><span class="lineno"> 2181</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l02182"></a><span class="lineno"> 2182</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment_;</div>
|
|
<div class="line"><a name="l02183"></a><span class="lineno"> 2183</span>  DecisionBuilder* <span class="keyword">const</span> db_;</div>
|
|
<div class="line"><a name="l02184"></a><span class="lineno"> 2184</span>  <span class="keyword">const</span> std::vector<IntVar*> <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>;</div>
|
|
<div class="line"><a name="l02185"></a><span class="lineno"> 2185</span>  <span class="keywordtype">int</span> iter_;</div>
|
|
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span> };</div>
|
|
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>  </div>
|
|
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span> DecisionBuilder* Solver::MakeDecisionBuilderFromAssignment(</div>
|
|
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span>  Assignment* <span class="keyword">const</span> assignment, DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars) {</div>
|
|
<div class="line"><a name="l02192"></a><span class="lineno"> 2192</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> AssignVariablesFromAssignment(assignment, db, vars));</div>
|
|
<div class="line"><a name="l02193"></a><span class="lineno"> 2193</span> }</div>
|
|
<div class="line"><a name="l02194"></a><span class="lineno"> 2194</span>  </div>
|
|
<div class="line"><a name="l02195"></a><span class="lineno"> 2195</span> <span class="comment">// ---------- Solution Collectors -----------</span></div>
|
|
<div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>  </div>
|
|
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</span> <span class="comment">// ----- Base Class -----</span></div>
|
|
<div class="line"><a name="l02198"></a><span class="lineno"> 2198</span>  </div>
|
|
<div class="line"><a name="l02199"></a><span class="lineno"> 2199</span> SolutionCollector::SolutionCollector(Solver* <span class="keyword">const</span> solver,</div>
|
|
<div class="line"><a name="l02200"></a><span class="lineno"> 2200</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment)</div>
|
|
<div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>  : SearchMonitor(solver),</div>
|
|
<div class="line"><a name="l02202"></a><span class="lineno"> 2202</span>  prototype_(assignment == nullptr ? nullptr : new Assignment(assignment)) {</div>
|
|
<div class="line"><a name="l02203"></a><span class="lineno"> 2203</span> }</div>
|
|
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>  </div>
|
|
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span> SolutionCollector::SolutionCollector(Solver* <span class="keyword">const</span> solver)</div>
|
|
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>  : SearchMonitor(solver), prototype_(new Assignment(solver)) {}</div>
|
|
<div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>  </div>
|
|
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span> SolutionCollector::~SolutionCollector() {</div>
|
|
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& data : solution_data_) {</div>
|
|
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>  <span class="keyword">delete</span> data.solution;</div>
|
|
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</span>  }</div>
|
|
<div class="line"><a name="l02212"></a><span class="lineno"> 2212</span>  <a class="code" href="namespacegtl.html#a4ee3db0c4acaa0f277a0d7006f5ad1e6">gtl::STLDeleteElements</a>(&recycle_solutions_);</div>
|
|
<div class="line"><a name="l02213"></a><span class="lineno"> 2213</span> }</div>
|
|
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>  </div>
|
|
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span> <span class="keywordtype">void</span> SolutionCollector::Add(IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>) {</div>
|
|
<div class="line"><a name="l02216"></a><span class="lineno"> 2216</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02217"></a><span class="lineno"> 2217</span>  prototype_->Add(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02218"></a><span class="lineno"> 2218</span>  }</div>
|
|
<div class="line"><a name="l02219"></a><span class="lineno"> 2219</span> }</div>
|
|
<div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>  </div>
|
|
<div class="line"><a name="l02221"></a><span class="lineno"> 2221</span> <span class="keywordtype">void</span> SolutionCollector::Add(<span class="keyword">const</span> std::vector<IntVar*>& vars) {</div>
|
|
<div class="line"><a name="l02222"></a><span class="lineno"> 2222</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02223"></a><span class="lineno"> 2223</span>  prototype_->Add(vars);</div>
|
|
<div class="line"><a name="l02224"></a><span class="lineno"> 2224</span>  }</div>
|
|
<div class="line"><a name="l02225"></a><span class="lineno"> 2225</span> }</div>
|
|
<div class="line"><a name="l02226"></a><span class="lineno"> 2226</span>  </div>
|
|
<div class="line"><a name="l02227"></a><span class="lineno"> 2227</span> <span class="keywordtype">void</span> SolutionCollector::Add(IntervalVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>) {</div>
|
|
<div class="line"><a name="l02228"></a><span class="lineno"> 2228</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02229"></a><span class="lineno"> 2229</span>  prototype_->Add(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span>  }</div>
|
|
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span> }</div>
|
|
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>  </div>
|
|
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span> <span class="keywordtype">void</span> SolutionCollector::Add(<span class="keyword">const</span> std::vector<IntervalVar*>& vars) {</div>
|
|
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>  prototype_->Add(vars);</div>
|
|
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>  }</div>
|
|
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span> }</div>
|
|
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>  </div>
|
|
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span> <span class="keywordtype">void</span> SolutionCollector::Add(SequenceVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>) {</div>
|
|
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02241"></a><span class="lineno"> 2241</span>  prototype_->Add(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>  }</div>
|
|
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span> }</div>
|
|
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>  </div>
|
|
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span> <span class="keywordtype">void</span> SolutionCollector::Add(<span class="keyword">const</span> std::vector<SequenceVar*>& vars) {</div>
|
|
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02247"></a><span class="lineno"> 2247</span>  prototype_->Add(vars);</div>
|
|
<div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>  }</div>
|
|
<div class="line"><a name="l02249"></a><span class="lineno"> 2249</span> }</div>
|
|
<div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>  </div>
|
|
<div class="line"><a name="l02251"></a><span class="lineno"> 2251</span> <span class="keywordtype">void</span> SolutionCollector::AddObjective(IntVar* <span class="keyword">const</span> objective) {</div>
|
|
<div class="line"><a name="l02252"></a><span class="lineno"> 2252</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span> && objective != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02253"></a><span class="lineno"> 2253</span>  prototype_->AddObjective(objective);</div>
|
|
<div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>  }</div>
|
|
<div class="line"><a name="l02255"></a><span class="lineno"> 2255</span> }</div>
|
|
<div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>  </div>
|
|
<div class="line"><a name="l02257"></a><span class="lineno"> 2257</span> <span class="keywordtype">void</span> SolutionCollector::EnterSearch() {</div>
|
|
<div class="line"><a name="l02258"></a><span class="lineno"> 2258</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& data : solution_data_) {</div>
|
|
<div class="line"><a name="l02259"></a><span class="lineno"> 2259</span>  <span class="keyword">delete</span> data.solution;</div>
|
|
<div class="line"><a name="l02260"></a><span class="lineno"> 2260</span>  }</div>
|
|
<div class="line"><a name="l02261"></a><span class="lineno"> 2261</span>  <a class="code" href="namespacegtl.html#a4ee3db0c4acaa0f277a0d7006f5ad1e6">gtl::STLDeleteElements</a>(&recycle_solutions_);</div>
|
|
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span>  solution_data_.clear();</div>
|
|
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</span>  recycle_solutions_.clear();</div>
|
|
<div class="line"><a name="l02264"></a><span class="lineno"> 2264</span> }</div>
|
|
<div class="line"><a name="l02265"></a><span class="lineno"> 2265</span>  </div>
|
|
<div class="line"><a name="l02266"></a><span class="lineno"> 2266</span> <span class="keywordtype">void</span> SolutionCollector::PushSolution() {</div>
|
|
<div class="line"><a name="l02267"></a><span class="lineno"> 2267</span>  Push(BuildSolutionDataForCurrentState());</div>
|
|
<div class="line"><a name="l02268"></a><span class="lineno"> 2268</span> }</div>
|
|
<div class="line"><a name="l02269"></a><span class="lineno"> 2269</span>  </div>
|
|
<div class="line"><a name="l02270"></a><span class="lineno"> 2270</span> <span class="keywordtype">void</span> SolutionCollector::PopSolution() {</div>
|
|
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span>  <span class="keywordflow">if</span> (!solution_data_.empty()) {</div>
|
|
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span>  FreeSolution(solution_data_.back().solution);</div>
|
|
<div class="line"><a name="l02273"></a><span class="lineno"> 2273</span>  solution_data_.pop_back();</div>
|
|
<div class="line"><a name="l02274"></a><span class="lineno"> 2274</span>  }</div>
|
|
<div class="line"><a name="l02275"></a><span class="lineno"> 2275</span> }</div>
|
|
<div class="line"><a name="l02276"></a><span class="lineno"> 2276</span>  </div>
|
|
<div class="line"><a name="l02277"></a><span class="lineno"> 2277</span> SolutionCollector::SolutionData</div>
|
|
<div class="line"><a name="l02278"></a><span class="lineno"> 2278</span> SolutionCollector::BuildSolutionDataForCurrentState() {</div>
|
|
<div class="line"><a name="l02279"></a><span class="lineno"> 2279</span>  Assignment* solution = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l02280"></a><span class="lineno"> 2280</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02281"></a><span class="lineno"> 2281</span>  <span class="keywordflow">if</span> (!recycle_solutions_.empty()) {</div>
|
|
<div class="line"><a name="l02282"></a><span class="lineno"> 2282</span>  solution = recycle_solutions_.back();</div>
|
|
<div class="line"><a name="l02283"></a><span class="lineno"> 2283</span>  DCHECK(solution != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l02284"></a><span class="lineno"> 2284</span>  recycle_solutions_.pop_back();</div>
|
|
<div class="line"><a name="l02285"></a><span class="lineno"> 2285</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02286"></a><span class="lineno"> 2286</span>  solution = <span class="keyword">new</span> Assignment(prototype_.get());</div>
|
|
<div class="line"><a name="l02287"></a><span class="lineno"> 2287</span>  }</div>
|
|
<div class="line"><a name="l02288"></a><span class="lineno"> 2288</span>  solution->Store();</div>
|
|
<div class="line"><a name="l02289"></a><span class="lineno"> 2289</span>  }</div>
|
|
<div class="line"><a name="l02290"></a><span class="lineno"> 2290</span>  SolutionData data;</div>
|
|
<div class="line"><a name="l02291"></a><span class="lineno"> 2291</span>  data.solution = solution;</div>
|
|
<div class="line"><a name="l02292"></a><span class="lineno"> 2292</span>  data.time = solver()->wall_time();</div>
|
|
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span>  data.branches = solver()->branches();</div>
|
|
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span>  data.failures = solver()->failures();</div>
|
|
<div class="line"><a name="l02295"></a><span class="lineno"> 2295</span>  <span class="keywordflow">if</span> (solution != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02296"></a><span class="lineno"> 2296</span>  data.objective_value = solution->ObjectiveValue();</div>
|
|
<div class="line"><a name="l02297"></a><span class="lineno"> 2297</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>  data.objective_value = 0;</div>
|
|
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span>  }</div>
|
|
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</span>  <span class="keywordflow">return</span> data;</div>
|
|
<div class="line"><a name="l02301"></a><span class="lineno"> 2301</span> }</div>
|
|
<div class="line"><a name="l02302"></a><span class="lineno"> 2302</span>  </div>
|
|
<div class="line"><a name="l02303"></a><span class="lineno"> 2303</span> <span class="keywordtype">void</span> SolutionCollector::FreeSolution(Assignment* solution) {</div>
|
|
<div class="line"><a name="l02304"></a><span class="lineno"> 2304</span>  <span class="keywordflow">if</span> (solution != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02305"></a><span class="lineno"> 2305</span>  recycle_solutions_.push_back(solution);</div>
|
|
<div class="line"><a name="l02306"></a><span class="lineno"> 2306</span>  }</div>
|
|
<div class="line"><a name="l02307"></a><span class="lineno"> 2307</span> }</div>
|
|
<div class="line"><a name="l02308"></a><span class="lineno"> 2308</span>  </div>
|
|
<div class="line"><a name="l02309"></a><span class="lineno"> 2309</span> <span class="keywordtype">void</span> SolutionCollector::check_index(<span class="keywordtype">int</span> n)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02310"></a><span class="lineno"> 2310</span>  CHECK_GE(n, 0) << <span class="stringliteral">"wrong index in solution getter"</span>;</div>
|
|
<div class="line"><a name="l02311"></a><span class="lineno"> 2311</span>  CHECK_LT(n, solution_data_.size()) << <span class="stringliteral">"wrong index in solution getter"</span>;</div>
|
|
<div class="line"><a name="l02312"></a><span class="lineno"> 2312</span> }</div>
|
|
<div class="line"><a name="l02313"></a><span class="lineno"> 2313</span>  </div>
|
|
<div class="line"><a name="l02314"></a><span class="lineno"> 2314</span> Assignment* SolutionCollector::solution(<span class="keywordtype">int</span> n)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02315"></a><span class="lineno"> 2315</span>  check_index(n);</div>
|
|
<div class="line"><a name="l02316"></a><span class="lineno"> 2316</span>  <span class="keywordflow">return</span> solution_data_[n].solution;</div>
|
|
<div class="line"><a name="l02317"></a><span class="lineno"> 2317</span> }</div>
|
|
<div class="line"><a name="l02318"></a><span class="lineno"> 2318</span>  </div>
|
|
<div class="line"><a name="l02319"></a><span class="lineno"> 2319</span> <span class="keywordtype">int</span> SolutionCollector::solution_count()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> solution_data_.size(); }</div>
|
|
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>  </div>
|
|
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SolutionCollector::wall_time(<span class="keywordtype">int</span> n)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>  check_index(n);</div>
|
|
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>  <span class="keywordflow">return</span> solution_data_[n].time;</div>
|
|
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</span> }</div>
|
|
<div class="line"><a name="l02325"></a><span class="lineno"> 2325</span>  </div>
|
|
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SolutionCollector::branches(<span class="keywordtype">int</span> n)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span>  check_index(n);</div>
|
|
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span>  <span class="keywordflow">return</span> solution_data_[n].branches;</div>
|
|
<div class="line"><a name="l02329"></a><span class="lineno"> 2329</span> }</div>
|
|
<div class="line"><a name="l02330"></a><span class="lineno"> 2330</span>  </div>
|
|
<div class="line"><a name="l02331"></a><span class="lineno"> 2331</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SolutionCollector::failures(<span class="keywordtype">int</span> n)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02332"></a><span class="lineno"> 2332</span>  check_index(n);</div>
|
|
<div class="line"><a name="l02333"></a><span class="lineno"> 2333</span>  <span class="keywordflow">return</span> solution_data_[n].failures;</div>
|
|
<div class="line"><a name="l02334"></a><span class="lineno"> 2334</span> }</div>
|
|
<div class="line"><a name="l02335"></a><span class="lineno"> 2335</span>  </div>
|
|
<div class="line"><a name="l02336"></a><span class="lineno"> 2336</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SolutionCollector::objective_value(<span class="keywordtype">int</span> n)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02337"></a><span class="lineno"> 2337</span>  check_index(n);</div>
|
|
<div class="line"><a name="l02338"></a><span class="lineno"> 2338</span>  <span class="keywordflow">return</span> solution_data_[n].objective_value;</div>
|
|
<div class="line"><a name="l02339"></a><span class="lineno"> 2339</span> }</div>
|
|
<div class="line"><a name="l02340"></a><span class="lineno"> 2340</span>  </div>
|
|
<div class="line"><a name="l02341"></a><span class="lineno"> 2341</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">SolutionCollector::Value</a>(<span class="keywordtype">int</span> n, IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02342"></a><span class="lineno"> 2342</span>  <span class="keywordflow">return</span> solution(n)->Value(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02343"></a><span class="lineno"> 2343</span> }</div>
|
|
<div class="line"><a name="l02344"></a><span class="lineno"> 2344</span>  </div>
|
|
<div class="line"><a name="l02345"></a><span class="lineno"> 2345</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SolutionCollector::StartValue(<span class="keywordtype">int</span> n, IntervalVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02346"></a><span class="lineno"> 2346</span>  <span class="keywordflow">return</span> solution(n)->StartValue(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02347"></a><span class="lineno"> 2347</span> }</div>
|
|
<div class="line"><a name="l02348"></a><span class="lineno"> 2348</span>  </div>
|
|
<div class="line"><a name="l02349"></a><span class="lineno"> 2349</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SolutionCollector::DurationValue(<span class="keywordtype">int</span> n, IntervalVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02350"></a><span class="lineno"> 2350</span>  <span class="keywordflow">return</span> solution(n)->DurationValue(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02351"></a><span class="lineno"> 2351</span> }</div>
|
|
<div class="line"><a name="l02352"></a><span class="lineno"> 2352</span>  </div>
|
|
<div class="line"><a name="l02353"></a><span class="lineno"> 2353</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SolutionCollector::EndValue(<span class="keywordtype">int</span> n, IntervalVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02354"></a><span class="lineno"> 2354</span>  <span class="keywordflow">return</span> solution(n)->EndValue(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02355"></a><span class="lineno"> 2355</span> }</div>
|
|
<div class="line"><a name="l02356"></a><span class="lineno"> 2356</span>  </div>
|
|
<div class="line"><a name="l02357"></a><span class="lineno"> 2357</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> SolutionCollector::PerformedValue(<span class="keywordtype">int</span> n, IntervalVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02358"></a><span class="lineno"> 2358</span>  <span class="keywordflow">return</span> solution(n)->PerformedValue(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02359"></a><span class="lineno"> 2359</span> }</div>
|
|
<div class="line"><a name="l02360"></a><span class="lineno"> 2360</span>  </div>
|
|
<div class="line"><a name="l02361"></a><span class="lineno"> 2361</span> <span class="keyword">const</span> std::vector<int>& SolutionCollector::ForwardSequence(</div>
|
|
<div class="line"><a name="l02362"></a><span class="lineno"> 2362</span>  <span class="keywordtype">int</span> n, SequenceVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02363"></a><span class="lineno"> 2363</span>  <span class="keywordflow">return</span> solution(n)->ForwardSequence(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02364"></a><span class="lineno"> 2364</span> }</div>
|
|
<div class="line"><a name="l02365"></a><span class="lineno"> 2365</span>  </div>
|
|
<div class="line"><a name="l02366"></a><span class="lineno"> 2366</span> <span class="keyword">const</span> std::vector<int>& SolutionCollector::BackwardSequence(</div>
|
|
<div class="line"><a name="l02367"></a><span class="lineno"> 2367</span>  <span class="keywordtype">int</span> n, SequenceVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02368"></a><span class="lineno"> 2368</span>  <span class="keywordflow">return</span> solution(n)->BackwardSequence(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02369"></a><span class="lineno"> 2369</span> }</div>
|
|
<div class="line"><a name="l02370"></a><span class="lineno"> 2370</span>  </div>
|
|
<div class="line"><a name="l02371"></a><span class="lineno"> 2371</span> <span class="keyword">const</span> std::vector<int>& SolutionCollector::Unperformed(</div>
|
|
<div class="line"><a name="l02372"></a><span class="lineno"> 2372</span>  <span class="keywordtype">int</span> n, SequenceVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02373"></a><span class="lineno"> 2373</span>  <span class="keywordflow">return</span> solution(n)->Unperformed(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l02374"></a><span class="lineno"> 2374</span> }</div>
|
|
<div class="line"><a name="l02375"></a><span class="lineno"> 2375</span>  </div>
|
|
<div class="line"><a name="l02376"></a><span class="lineno"> 2376</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l02377"></a><span class="lineno"> 2377</span> <span class="comment">// ----- First Solution Collector -----</span></div>
|
|
<div class="line"><a name="l02378"></a><span class="lineno"> 2378</span>  </div>
|
|
<div class="line"><a name="l02379"></a><span class="lineno"> 2379</span> <span class="comment">// Collect first solution, useful when looking satisfaction problems</span></div>
|
|
<div class="line"><a name="l02380"></a><span class="lineno"> 2380</span> <span class="keyword">class </span>FirstSolutionCollector : <span class="keyword">public</span> SolutionCollector {</div>
|
|
<div class="line"><a name="l02381"></a><span class="lineno"> 2381</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02382"></a><span class="lineno"> 2382</span>  FirstSolutionCollector(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> Assignment* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>);</div>
|
|
<div class="line"><a name="l02383"></a><span class="lineno"> 2383</span>  <span class="keyword">explicit</span> FirstSolutionCollector(Solver* <span class="keyword">const</span> s);</div>
|
|
<div class="line"><a name="l02384"></a><span class="lineno"> 2384</span>  ~FirstSolutionCollector() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02385"></a><span class="lineno"> 2385</span>  <span class="keywordtype">void</span> EnterSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02386"></a><span class="lineno"> 2386</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02387"></a><span class="lineno"> 2387</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l02388"></a><span class="lineno"> 2388</span>  </div>
|
|
<div class="line"><a name="l02389"></a><span class="lineno"> 2389</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l02390"></a><span class="lineno"> 2390</span>  <span class="keywordtype">bool</span> done_;</div>
|
|
<div class="line"><a name="l02391"></a><span class="lineno"> 2391</span> };</div>
|
|
<div class="line"><a name="l02392"></a><span class="lineno"> 2392</span>  </div>
|
|
<div class="line"><a name="l02393"></a><span class="lineno"> 2393</span> FirstSolutionCollector::FirstSolutionCollector(Solver* <span class="keyword">const</span> s,</div>
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|
<div class="line"><a name="l02394"></a><span class="lineno"> 2394</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>)</div>
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|
<div class="line"><a name="l02395"></a><span class="lineno"> 2395</span>  : SolutionCollector(s, <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>), done_(false) {}</div>
|
|
<div class="line"><a name="l02396"></a><span class="lineno"> 2396</span>  </div>
|
|
<div class="line"><a name="l02397"></a><span class="lineno"> 2397</span> FirstSolutionCollector::FirstSolutionCollector(Solver* <span class="keyword">const</span> s)</div>
|
|
<div class="line"><a name="l02398"></a><span class="lineno"> 2398</span>  : SolutionCollector(s), done_(false) {}</div>
|
|
<div class="line"><a name="l02399"></a><span class="lineno"> 2399</span>  </div>
|
|
<div class="line"><a name="l02400"></a><span class="lineno"> 2400</span> FirstSolutionCollector::~FirstSolutionCollector() {}</div>
|
|
<div class="line"><a name="l02401"></a><span class="lineno"> 2401</span>  </div>
|
|
<div class="line"><a name="l02402"></a><span class="lineno"> 2402</span> <span class="keywordtype">void</span> FirstSolutionCollector::EnterSearch() {</div>
|
|
<div class="line"><a name="l02403"></a><span class="lineno"> 2403</span>  SolutionCollector::EnterSearch();</div>
|
|
<div class="line"><a name="l02404"></a><span class="lineno"> 2404</span>  done_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02405"></a><span class="lineno"> 2405</span> }</div>
|
|
<div class="line"><a name="l02406"></a><span class="lineno"> 2406</span>  </div>
|
|
<div class="line"><a name="l02407"></a><span class="lineno"> 2407</span> <span class="keywordtype">bool</span> FirstSolutionCollector::AtSolution() {</div>
|
|
<div class="line"><a name="l02408"></a><span class="lineno"> 2408</span>  <span class="keywordflow">if</span> (!done_) {</div>
|
|
<div class="line"><a name="l02409"></a><span class="lineno"> 2409</span>  PushSolution();</div>
|
|
<div class="line"><a name="l02410"></a><span class="lineno"> 2410</span>  done_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02411"></a><span class="lineno"> 2411</span>  }</div>
|
|
<div class="line"><a name="l02412"></a><span class="lineno"> 2412</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02413"></a><span class="lineno"> 2413</span> }</div>
|
|
<div class="line"><a name="l02414"></a><span class="lineno"> 2414</span>  </div>
|
|
<div class="line"><a name="l02415"></a><span class="lineno"> 2415</span> std::string FirstSolutionCollector::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02416"></a><span class="lineno"> 2416</span>  <span class="keywordflow">if</span> (prototype_ == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02417"></a><span class="lineno"> 2417</span>  <span class="keywordflow">return</span> <span class="stringliteral">"FirstSolutionCollector()"</span>;</div>
|
|
<div class="line"><a name="l02418"></a><span class="lineno"> 2418</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02419"></a><span class="lineno"> 2419</span>  <span class="keywordflow">return</span> <span class="stringliteral">"FirstSolutionCollector("</span> + prototype_->DebugString() + <span class="stringliteral">")"</span>;</div>
|
|
<div class="line"><a name="l02420"></a><span class="lineno"> 2420</span>  }</div>
|
|
<div class="line"><a name="l02421"></a><span class="lineno"> 2421</span> }</div>
|
|
<div class="line"><a name="l02422"></a><span class="lineno"> 2422</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l02423"></a><span class="lineno"> 2423</span>  </div>
|
|
<div class="line"><a name="l02424"></a><span class="lineno"> 2424</span> SolutionCollector* Solver::MakeFirstSolutionCollector(</div>
|
|
<div class="line"><a name="l02425"></a><span class="lineno"> 2425</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment) {</div>
|
|
<div class="line"><a name="l02426"></a><span class="lineno"> 2426</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> FirstSolutionCollector(<span class="keyword">this</span>, assignment));</div>
|
|
<div class="line"><a name="l02427"></a><span class="lineno"> 2427</span> }</div>
|
|
<div class="line"><a name="l02428"></a><span class="lineno"> 2428</span>  </div>
|
|
<div class="line"><a name="l02429"></a><span class="lineno"> 2429</span> SolutionCollector* Solver::MakeFirstSolutionCollector() {</div>
|
|
<div class="line"><a name="l02430"></a><span class="lineno"> 2430</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> FirstSolutionCollector(<span class="keyword">this</span>));</div>
|
|
<div class="line"><a name="l02431"></a><span class="lineno"> 2431</span> }</div>
|
|
<div class="line"><a name="l02432"></a><span class="lineno"> 2432</span>  </div>
|
|
<div class="line"><a name="l02433"></a><span class="lineno"> 2433</span> <span class="comment">// ----- Last Solution Collector -----</span></div>
|
|
<div class="line"><a name="l02434"></a><span class="lineno"> 2434</span>  </div>
|
|
<div class="line"><a name="l02435"></a><span class="lineno"> 2435</span> <span class="comment">// Collect last solution, useful when optimizing</span></div>
|
|
<div class="line"><a name="l02436"></a><span class="lineno"> 2436</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l02437"></a><span class="lineno"> 2437</span> <span class="keyword">class </span>LastSolutionCollector : <span class="keyword">public</span> SolutionCollector {</div>
|
|
<div class="line"><a name="l02438"></a><span class="lineno"> 2438</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02439"></a><span class="lineno"> 2439</span>  LastSolutionCollector(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> Assignment* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>);</div>
|
|
<div class="line"><a name="l02440"></a><span class="lineno"> 2440</span>  <span class="keyword">explicit</span> LastSolutionCollector(Solver* <span class="keyword">const</span> s);</div>
|
|
<div class="line"><a name="l02441"></a><span class="lineno"> 2441</span>  ~LastSolutionCollector() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02442"></a><span class="lineno"> 2442</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02443"></a><span class="lineno"> 2443</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l02444"></a><span class="lineno"> 2444</span> };</div>
|
|
<div class="line"><a name="l02445"></a><span class="lineno"> 2445</span>  </div>
|
|
<div class="line"><a name="l02446"></a><span class="lineno"> 2446</span> LastSolutionCollector::LastSolutionCollector(Solver* <span class="keyword">const</span> s,</div>
|
|
<div class="line"><a name="l02447"></a><span class="lineno"> 2447</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>)</div>
|
|
<div class="line"><a name="l02448"></a><span class="lineno"> 2448</span>  : SolutionCollector(s, <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>) {}</div>
|
|
<div class="line"><a name="l02449"></a><span class="lineno"> 2449</span>  </div>
|
|
<div class="line"><a name="l02450"></a><span class="lineno"> 2450</span> LastSolutionCollector::LastSolutionCollector(Solver* <span class="keyword">const</span> s)</div>
|
|
<div class="line"><a name="l02451"></a><span class="lineno"> 2451</span>  : SolutionCollector(s) {}</div>
|
|
<div class="line"><a name="l02452"></a><span class="lineno"> 2452</span>  </div>
|
|
<div class="line"><a name="l02453"></a><span class="lineno"> 2453</span> LastSolutionCollector::~LastSolutionCollector() {}</div>
|
|
<div class="line"><a name="l02454"></a><span class="lineno"> 2454</span>  </div>
|
|
<div class="line"><a name="l02455"></a><span class="lineno"> 2455</span> <span class="keywordtype">bool</span> LastSolutionCollector::AtSolution() {</div>
|
|
<div class="line"><a name="l02456"></a><span class="lineno"> 2456</span>  PopSolution();</div>
|
|
<div class="line"><a name="l02457"></a><span class="lineno"> 2457</span>  PushSolution();</div>
|
|
<div class="line"><a name="l02458"></a><span class="lineno"> 2458</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02459"></a><span class="lineno"> 2459</span> }</div>
|
|
<div class="line"><a name="l02460"></a><span class="lineno"> 2460</span>  </div>
|
|
<div class="line"><a name="l02461"></a><span class="lineno"> 2461</span> std::string LastSolutionCollector::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02462"></a><span class="lineno"> 2462</span>  <span class="keywordflow">if</span> (prototype_ == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02463"></a><span class="lineno"> 2463</span>  <span class="keywordflow">return</span> <span class="stringliteral">"LastSolutionCollector()"</span>;</div>
|
|
<div class="line"><a name="l02464"></a><span class="lineno"> 2464</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02465"></a><span class="lineno"> 2465</span>  <span class="keywordflow">return</span> <span class="stringliteral">"LastSolutionCollector("</span> + prototype_->DebugString() + <span class="stringliteral">")"</span>;</div>
|
|
<div class="line"><a name="l02466"></a><span class="lineno"> 2466</span>  }</div>
|
|
<div class="line"><a name="l02467"></a><span class="lineno"> 2467</span> }</div>
|
|
<div class="line"><a name="l02468"></a><span class="lineno"> 2468</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l02469"></a><span class="lineno"> 2469</span>  </div>
|
|
<div class="line"><a name="l02470"></a><span class="lineno"> 2470</span> SolutionCollector* Solver::MakeLastSolutionCollector(</div>
|
|
<div class="line"><a name="l02471"></a><span class="lineno"> 2471</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment) {</div>
|
|
<div class="line"><a name="l02472"></a><span class="lineno"> 2472</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> LastSolutionCollector(<span class="keyword">this</span>, assignment));</div>
|
|
<div class="line"><a name="l02473"></a><span class="lineno"> 2473</span> }</div>
|
|
<div class="line"><a name="l02474"></a><span class="lineno"> 2474</span>  </div>
|
|
<div class="line"><a name="l02475"></a><span class="lineno"> 2475</span> SolutionCollector* Solver::MakeLastSolutionCollector() {</div>
|
|
<div class="line"><a name="l02476"></a><span class="lineno"> 2476</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> LastSolutionCollector(<span class="keyword">this</span>));</div>
|
|
<div class="line"><a name="l02477"></a><span class="lineno"> 2477</span> }</div>
|
|
<div class="line"><a name="l02478"></a><span class="lineno"> 2478</span>  </div>
|
|
<div class="line"><a name="l02479"></a><span class="lineno"> 2479</span> <span class="comment">// ----- Best Solution Collector -----</span></div>
|
|
<div class="line"><a name="l02480"></a><span class="lineno"> 2480</span>  </div>
|
|
<div class="line"><a name="l02481"></a><span class="lineno"> 2481</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l02482"></a><span class="lineno"> 2482</span> <span class="keyword">class </span>BestValueSolutionCollector : <span class="keyword">public</span> SolutionCollector {</div>
|
|
<div class="line"><a name="l02483"></a><span class="lineno"> 2483</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02484"></a><span class="lineno"> 2484</span>  BestValueSolutionCollector(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> Assignment* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>,</div>
|
|
<div class="line"><a name="l02485"></a><span class="lineno"> 2485</span>  <span class="keywordtype">bool</span> maximize);</div>
|
|
<div class="line"><a name="l02486"></a><span class="lineno"> 2486</span>  BestValueSolutionCollector(Solver* <span class="keyword">const</span> s, <span class="keywordtype">bool</span> maximize);</div>
|
|
<div class="line"><a name="l02487"></a><span class="lineno"> 2487</span>  ~BestValueSolutionCollector()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l02488"></a><span class="lineno"> 2488</span>  <span class="keywordtype">void</span> EnterSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02489"></a><span class="lineno"> 2489</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02490"></a><span class="lineno"> 2490</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l02491"></a><span class="lineno"> 2491</span>  </div>
|
|
<div class="line"><a name="l02492"></a><span class="lineno"> 2492</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02493"></a><span class="lineno"><a class="line" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2"> 2493</a></span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>;</div>
|
|
<div class="line"><a name="l02494"></a><span class="lineno"><a class="line" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b"> 2494</a></span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>;</div>
|
|
<div class="line"><a name="l02495"></a><span class="lineno"> 2495</span> };</div>
|
|
<div class="line"><a name="l02496"></a><span class="lineno"> 2496</span>  </div>
|
|
<div class="line"><a name="l02497"></a><span class="lineno"> 2497</span> BestValueSolutionCollector::BestValueSolutionCollector(</div>
|
|
<div class="line"><a name="l02498"></a><span class="lineno"> 2498</span>  Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> Assignment* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>, <span class="keywordtype">bool</span> maximize)</div>
|
|
<div class="line"><a name="l02499"></a><span class="lineno"> 2499</span>  : SolutionCollector(s, <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>),</div>
|
|
<div class="line"><a name="l02500"></a><span class="lineno"> 2500</span>  <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>(maximize),</div>
|
|
<div class="line"><a name="l02501"></a><span class="lineno"> 2501</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>(maximize ? <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a> : <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) {}</div>
|
|
<div class="line"><a name="l02502"></a><span class="lineno"> 2502</span>  </div>
|
|
<div class="line"><a name="l02503"></a><span class="lineno"> 2503</span> BestValueSolutionCollector::BestValueSolutionCollector(Solver* <span class="keyword">const</span> s,</div>
|
|
<div class="line"><a name="l02504"></a><span class="lineno"> 2504</span>  <span class="keywordtype">bool</span> maximize)</div>
|
|
<div class="line"><a name="l02505"></a><span class="lineno"> 2505</span>  : SolutionCollector(s),</div>
|
|
<div class="line"><a name="l02506"></a><span class="lineno"> 2506</span>  <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>(maximize),</div>
|
|
<div class="line"><a name="l02507"></a><span class="lineno"> 2507</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>(maximize ? <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a> : <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) {}</div>
|
|
<div class="line"><a name="l02508"></a><span class="lineno"> 2508</span>  </div>
|
|
<div class="line"><a name="l02509"></a><span class="lineno"> 2509</span> <span class="keywordtype">void</span> BestValueSolutionCollector::EnterSearch() {</div>
|
|
<div class="line"><a name="l02510"></a><span class="lineno"> 2510</span>  SolutionCollector::EnterSearch();</div>
|
|
<div class="line"><a name="l02511"></a><span class="lineno"> 2511</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a> ? <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a> : <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l02512"></a><span class="lineno"> 2512</span> }</div>
|
|
<div class="line"><a name="l02513"></a><span class="lineno"> 2513</span>  </div>
|
|
<div class="line"><a name="l02514"></a><span class="lineno"> 2514</span> <span class="keywordtype">bool</span> BestValueSolutionCollector::AtSolution() {</div>
|
|
<div class="line"><a name="l02515"></a><span class="lineno"> 2515</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02516"></a><span class="lineno"> 2516</span>  <span class="keyword">const</span> IntVar* objective = prototype_->Objective();</div>
|
|
<div class="line"><a name="l02517"></a><span class="lineno"> 2517</span>  <span class="keywordflow">if</span> (objective != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02518"></a><span class="lineno"> 2518</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a> && (solution_count() == 0 || objective->Max() > <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>)) {</div>
|
|
<div class="line"><a name="l02519"></a><span class="lineno"> 2519</span>  PopSolution();</div>
|
|
<div class="line"><a name="l02520"></a><span class="lineno"> 2520</span>  PushSolution();</div>
|
|
<div class="line"><a name="l02521"></a><span class="lineno"> 2521</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = objective->Max();</div>
|
|
<div class="line"><a name="l02522"></a><span class="lineno"> 2522</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a> &&</div>
|
|
<div class="line"><a name="l02523"></a><span class="lineno"> 2523</span>  (solution_count() == 0 || objective->Min() < <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>)) {</div>
|
|
<div class="line"><a name="l02524"></a><span class="lineno"> 2524</span>  PopSolution();</div>
|
|
<div class="line"><a name="l02525"></a><span class="lineno"> 2525</span>  PushSolution();</div>
|
|
<div class="line"><a name="l02526"></a><span class="lineno"> 2526</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = objective->Min();</div>
|
|
<div class="line"><a name="l02527"></a><span class="lineno"> 2527</span>  }</div>
|
|
<div class="line"><a name="l02528"></a><span class="lineno"> 2528</span>  }</div>
|
|
<div class="line"><a name="l02529"></a><span class="lineno"> 2529</span>  }</div>
|
|
<div class="line"><a name="l02530"></a><span class="lineno"> 2530</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02531"></a><span class="lineno"> 2531</span> }</div>
|
|
<div class="line"><a name="l02532"></a><span class="lineno"> 2532</span>  </div>
|
|
<div class="line"><a name="l02533"></a><span class="lineno"> 2533</span> std::string BestValueSolutionCollector::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02534"></a><span class="lineno"> 2534</span>  <span class="keywordflow">if</span> (prototype_ == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02535"></a><span class="lineno"> 2535</span>  <span class="keywordflow">return</span> <span class="stringliteral">"BestValueSolutionCollector()"</span>;</div>
|
|
<div class="line"><a name="l02536"></a><span class="lineno"> 2536</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02537"></a><span class="lineno"> 2537</span>  <span class="keywordflow">return</span> <span class="stringliteral">"BestValueSolutionCollector("</span> + prototype_->DebugString() + <span class="stringliteral">")"</span>;</div>
|
|
<div class="line"><a name="l02538"></a><span class="lineno"> 2538</span>  }</div>
|
|
<div class="line"><a name="l02539"></a><span class="lineno"> 2539</span> }</div>
|
|
<div class="line"><a name="l02540"></a><span class="lineno"> 2540</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l02541"></a><span class="lineno"> 2541</span>  </div>
|
|
<div class="line"><a name="l02542"></a><span class="lineno"> 2542</span> SolutionCollector* Solver::MakeBestValueSolutionCollector(</div>
|
|
<div class="line"><a name="l02543"></a><span class="lineno"> 2543</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment, <span class="keywordtype">bool</span> maximize) {</div>
|
|
<div class="line"><a name="l02544"></a><span class="lineno"> 2544</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> BestValueSolutionCollector(<span class="keyword">this</span>, assignment, maximize));</div>
|
|
<div class="line"><a name="l02545"></a><span class="lineno"> 2545</span> }</div>
|
|
<div class="line"><a name="l02546"></a><span class="lineno"> 2546</span>  </div>
|
|
<div class="line"><a name="l02547"></a><span class="lineno"> 2547</span> SolutionCollector* Solver::MakeBestValueSolutionCollector(<span class="keywordtype">bool</span> maximize) {</div>
|
|
<div class="line"><a name="l02548"></a><span class="lineno"> 2548</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> BestValueSolutionCollector(<span class="keyword">this</span>, maximize));</div>
|
|
<div class="line"><a name="l02549"></a><span class="lineno"> 2549</span> }</div>
|
|
<div class="line"><a name="l02550"></a><span class="lineno"> 2550</span>  </div>
|
|
<div class="line"><a name="l02551"></a><span class="lineno"> 2551</span> <span class="comment">// ----- N Best Solution Collector -----</span></div>
|
|
<div class="line"><a name="l02552"></a><span class="lineno"> 2552</span>  </div>
|
|
<div class="line"><a name="l02553"></a><span class="lineno"> 2553</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l02554"></a><span class="lineno"> 2554</span> <span class="keyword">class </span>NBestValueSolutionCollector : <span class="keyword">public</span> SolutionCollector {</div>
|
|
<div class="line"><a name="l02555"></a><span class="lineno"> 2555</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02556"></a><span class="lineno"> 2556</span>  NBestValueSolutionCollector(Solver* <span class="keyword">const</span> solver,</div>
|
|
<div class="line"><a name="l02557"></a><span class="lineno"> 2557</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment,</div>
|
|
<div class="line"><a name="l02558"></a><span class="lineno"> 2558</span>  <span class="keywordtype">int</span> solution_count, <span class="keywordtype">bool</span> maximize);</div>
|
|
<div class="line"><a name="l02559"></a><span class="lineno"> 2559</span>  NBestValueSolutionCollector(Solver* <span class="keyword">const</span> solver, <span class="keywordtype">int</span> solution_count,</div>
|
|
<div class="line"><a name="l02560"></a><span class="lineno"> 2560</span>  <span class="keywordtype">bool</span> maximize);</div>
|
|
<div class="line"><a name="l02561"></a><span class="lineno"> 2561</span>  ~NBestValueSolutionCollector()<span class="keyword"> override </span>{ Clear(); }</div>
|
|
<div class="line"><a name="l02562"></a><span class="lineno"> 2562</span>  <span class="keywordtype">void</span> EnterSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02563"></a><span class="lineno"> 2563</span>  <span class="keywordtype">void</span> ExitSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02564"></a><span class="lineno"> 2564</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02565"></a><span class="lineno"> 2565</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l02566"></a><span class="lineno"> 2566</span>  </div>
|
|
<div class="line"><a name="l02567"></a><span class="lineno"> 2567</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02568"></a><span class="lineno"> 2568</span>  <span class="keywordtype">void</span> Clear();</div>
|
|
<div class="line"><a name="l02569"></a><span class="lineno"> 2569</span>  </div>
|
|
<div class="line"><a name="l02570"></a><span class="lineno"> 2570</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>;</div>
|
|
<div class="line"><a name="l02571"></a><span class="lineno"><a class="line" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a"> 2571</a></span>  std::priority_queue<std::pair<int64, SolutionData>> <a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>;</div>
|
|
<div class="line"><a name="l02572"></a><span class="lineno"><a class="line" href="search_8cc.html#a7a0fd648d588be00840a1eec10594776"> 2572</a></span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="search_8cc.html#a7a0fd648d588be00840a1eec10594776">solution_count_</a>;</div>
|
|
<div class="line"><a name="l02573"></a><span class="lineno"> 2573</span> };</div>
|
|
<div class="line"><a name="l02574"></a><span class="lineno"> 2574</span>  </div>
|
|
<div class="line"><a name="l02575"></a><span class="lineno"> 2575</span> NBestValueSolutionCollector::NBestValueSolutionCollector(</div>
|
|
<div class="line"><a name="l02576"></a><span class="lineno"> 2576</span>  Solver* <span class="keyword">const</span> solver, <span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment,</div>
|
|
<div class="line"><a name="l02577"></a><span class="lineno"> 2577</span>  <span class="keywordtype">int</span> solution_count, <span class="keywordtype">bool</span> maximize)</div>
|
|
<div class="line"><a name="l02578"></a><span class="lineno"> 2578</span>  : SolutionCollector(solver, assignment),</div>
|
|
<div class="line"><a name="l02579"></a><span class="lineno"> 2579</span>  <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>(maximize),</div>
|
|
<div class="line"><a name="l02580"></a><span class="lineno"> 2580</span>  <a class="code" href="search_8cc.html#a7a0fd648d588be00840a1eec10594776">solution_count_</a>(solution_count) {}</div>
|
|
<div class="line"><a name="l02581"></a><span class="lineno"> 2581</span>  </div>
|
|
<div class="line"><a name="l02582"></a><span class="lineno"> 2582</span> NBestValueSolutionCollector::NBestValueSolutionCollector(Solver* <span class="keyword">const</span> solver,</div>
|
|
<div class="line"><a name="l02583"></a><span class="lineno"> 2583</span>  <span class="keywordtype">int</span> solution_count,</div>
|
|
<div class="line"><a name="l02584"></a><span class="lineno"> 2584</span>  <span class="keywordtype">bool</span> maximize)</div>
|
|
<div class="line"><a name="l02585"></a><span class="lineno"> 2585</span>  : SolutionCollector(solver),</div>
|
|
<div class="line"><a name="l02586"></a><span class="lineno"> 2586</span>  <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>(maximize),</div>
|
|
<div class="line"><a name="l02587"></a><span class="lineno"> 2587</span>  <a class="code" href="search_8cc.html#a7a0fd648d588be00840a1eec10594776">solution_count_</a>(solution_count) {}</div>
|
|
<div class="line"><a name="l02588"></a><span class="lineno"> 2588</span>  </div>
|
|
<div class="line"><a name="l02589"></a><span class="lineno"> 2589</span> <span class="keywordtype">void</span> NBestValueSolutionCollector::EnterSearch() {</div>
|
|
<div class="line"><a name="l02590"></a><span class="lineno"> 2590</span>  SolutionCollector::EnterSearch();</div>
|
|
<div class="line"><a name="l02591"></a><span class="lineno"> 2591</span>  <span class="comment">// TODO(user): Remove this when fast local search works with</span></div>
|
|
<div class="line"><a name="l02592"></a><span class="lineno"> 2592</span>  <span class="comment">// multiple solutions collected.</span></div>
|
|
<div class="line"><a name="l02593"></a><span class="lineno"> 2593</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a7a0fd648d588be00840a1eec10594776">solution_count_</a> > 1) {</div>
|
|
<div class="line"><a name="l02594"></a><span class="lineno"> 2594</span>  solver()->SetUseFastLocalSearch(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l02595"></a><span class="lineno"> 2595</span>  }</div>
|
|
<div class="line"><a name="l02596"></a><span class="lineno"> 2596</span>  Clear();</div>
|
|
<div class="line"><a name="l02597"></a><span class="lineno"> 2597</span> }</div>
|
|
<div class="line"><a name="l02598"></a><span class="lineno"> 2598</span>  </div>
|
|
<div class="line"><a name="l02599"></a><span class="lineno"> 2599</span> <span class="keywordtype">void</span> NBestValueSolutionCollector::ExitSearch() {</div>
|
|
<div class="line"><a name="l02600"></a><span class="lineno"> 2600</span>  <span class="keywordflow">while</span> (!<a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.empty()) {</div>
|
|
<div class="line"><a name="l02601"></a><span class="lineno"> 2601</span>  Push(<a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.top().second);</div>
|
|
<div class="line"><a name="l02602"></a><span class="lineno"> 2602</span>  <a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.pop();</div>
|
|
<div class="line"><a name="l02603"></a><span class="lineno"> 2603</span>  }</div>
|
|
<div class="line"><a name="l02604"></a><span class="lineno"> 2604</span> }</div>
|
|
<div class="line"><a name="l02605"></a><span class="lineno"> 2605</span>  </div>
|
|
<div class="line"><a name="l02606"></a><span class="lineno"> 2606</span> <span class="keywordtype">bool</span> NBestValueSolutionCollector::AtSolution() {</div>
|
|
<div class="line"><a name="l02607"></a><span class="lineno"> 2607</span>  <span class="keywordflow">if</span> (prototype_ != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02608"></a><span class="lineno"> 2608</span>  <span class="keyword">const</span> IntVar* objective = prototype_->Objective();</div>
|
|
<div class="line"><a name="l02609"></a><span class="lineno"> 2609</span>  <span class="keywordflow">if</span> (objective != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02610"></a><span class="lineno"> 2610</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> objective_value =</div>
|
|
<div class="line"><a name="l02611"></a><span class="lineno"> 2611</span>  <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a> ? <a class="code" href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">CapSub</a>(0, objective->Max()) : objective->Min();</div>
|
|
<div class="line"><a name="l02612"></a><span class="lineno"> 2612</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.size() < <a class="code" href="search_8cc.html#a7a0fd648d588be00840a1eec10594776">solution_count_</a>) {</div>
|
|
<div class="line"><a name="l02613"></a><span class="lineno"> 2613</span>  <a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.push(</div>
|
|
<div class="line"><a name="l02614"></a><span class="lineno"> 2614</span>  {objective_value, BuildSolutionDataForCurrentState()});</div>
|
|
<div class="line"><a name="l02615"></a><span class="lineno"> 2615</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.empty()) {</div>
|
|
<div class="line"><a name="l02616"></a><span class="lineno"> 2616</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& top = <a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.top();</div>
|
|
<div class="line"><a name="l02617"></a><span class="lineno"> 2617</span>  <span class="keywordflow">if</span> (top.first > objective_value) {</div>
|
|
<div class="line"><a name="l02618"></a><span class="lineno"> 2618</span>  FreeSolution(<a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.top().second.solution);</div>
|
|
<div class="line"><a name="l02619"></a><span class="lineno"> 2619</span>  <a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.pop();</div>
|
|
<div class="line"><a name="l02620"></a><span class="lineno"> 2620</span>  <a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.push(</div>
|
|
<div class="line"><a name="l02621"></a><span class="lineno"> 2621</span>  {objective_value, BuildSolutionDataForCurrentState()});</div>
|
|
<div class="line"><a name="l02622"></a><span class="lineno"> 2622</span>  }</div>
|
|
<div class="line"><a name="l02623"></a><span class="lineno"> 2623</span>  }</div>
|
|
<div class="line"><a name="l02624"></a><span class="lineno"> 2624</span>  }</div>
|
|
<div class="line"><a name="l02625"></a><span class="lineno"> 2625</span>  }</div>
|
|
<div class="line"><a name="l02626"></a><span class="lineno"> 2626</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02627"></a><span class="lineno"> 2627</span> }</div>
|
|
<div class="line"><a name="l02628"></a><span class="lineno"> 2628</span>  </div>
|
|
<div class="line"><a name="l02629"></a><span class="lineno"> 2629</span> std::string NBestValueSolutionCollector::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02630"></a><span class="lineno"> 2630</span>  <span class="keywordflow">if</span> (prototype_ == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02631"></a><span class="lineno"> 2631</span>  <span class="keywordflow">return</span> <span class="stringliteral">"NBestValueSolutionCollector()"</span>;</div>
|
|
<div class="line"><a name="l02632"></a><span class="lineno"> 2632</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02633"></a><span class="lineno"> 2633</span>  <span class="keywordflow">return</span> <span class="stringliteral">"NBestValueSolutionCollector("</span> + prototype_->DebugString() + <span class="stringliteral">")"</span>;</div>
|
|
<div class="line"><a name="l02634"></a><span class="lineno"> 2634</span>  }</div>
|
|
<div class="line"><a name="l02635"></a><span class="lineno"> 2635</span> }</div>
|
|
<div class="line"><a name="l02636"></a><span class="lineno"> 2636</span>  </div>
|
|
<div class="line"><a name="l02637"></a><span class="lineno"> 2637</span> <span class="keywordtype">void</span> NBestValueSolutionCollector::Clear() {</div>
|
|
<div class="line"><a name="l02638"></a><span class="lineno"> 2638</span>  <span class="keywordflow">while</span> (!<a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.empty()) {</div>
|
|
<div class="line"><a name="l02639"></a><span class="lineno"> 2639</span>  <span class="keyword">delete</span> <a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.top().second.solution;</div>
|
|
<div class="line"><a name="l02640"></a><span class="lineno"> 2640</span>  <a class="code" href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a>.pop();</div>
|
|
<div class="line"><a name="l02641"></a><span class="lineno"> 2641</span>  }</div>
|
|
<div class="line"><a name="l02642"></a><span class="lineno"> 2642</span> }</div>
|
|
<div class="line"><a name="l02643"></a><span class="lineno"> 2643</span>  </div>
|
|
<div class="line"><a name="l02644"></a><span class="lineno"> 2644</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l02645"></a><span class="lineno"> 2645</span>  </div>
|
|
<div class="line"><a name="l02646"></a><span class="lineno"> 2646</span> SolutionCollector* Solver::MakeNBestValueSolutionCollector(</div>
|
|
<div class="line"><a name="l02647"></a><span class="lineno"> 2647</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment, <span class="keywordtype">int</span> solution_count, <span class="keywordtype">bool</span> maximize) {</div>
|
|
<div class="line"><a name="l02648"></a><span class="lineno"> 2648</span>  <span class="keywordflow">if</span> (solution_count == 1) {</div>
|
|
<div class="line"><a name="l02649"></a><span class="lineno"> 2649</span>  <span class="keywordflow">return</span> MakeBestValueSolutionCollector(assignment, maximize);</div>
|
|
<div class="line"><a name="l02650"></a><span class="lineno"> 2650</span>  }</div>
|
|
<div class="line"><a name="l02651"></a><span class="lineno"> 2651</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> NBestValueSolutionCollector(<span class="keyword">this</span>, assignment,</div>
|
|
<div class="line"><a name="l02652"></a><span class="lineno"> 2652</span>  solution_count, maximize));</div>
|
|
<div class="line"><a name="l02653"></a><span class="lineno"> 2653</span> }</div>
|
|
<div class="line"><a name="l02654"></a><span class="lineno"> 2654</span>  </div>
|
|
<div class="line"><a name="l02655"></a><span class="lineno"> 2655</span> SolutionCollector* Solver::MakeNBestValueSolutionCollector(<span class="keywordtype">int</span> solution_count,</div>
|
|
<div class="line"><a name="l02656"></a><span class="lineno"> 2656</span>  <span class="keywordtype">bool</span> maximize) {</div>
|
|
<div class="line"><a name="l02657"></a><span class="lineno"> 2657</span>  <span class="keywordflow">if</span> (solution_count == 1) {</div>
|
|
<div class="line"><a name="l02658"></a><span class="lineno"> 2658</span>  <span class="keywordflow">return</span> MakeBestValueSolutionCollector(maximize);</div>
|
|
<div class="line"><a name="l02659"></a><span class="lineno"> 2659</span>  }</div>
|
|
<div class="line"><a name="l02660"></a><span class="lineno"> 2660</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
|
<div class="line"><a name="l02661"></a><span class="lineno"> 2661</span>  <span class="keyword">new</span> NBestValueSolutionCollector(<span class="keyword">this</span>, solution_count, maximize));</div>
|
|
<div class="line"><a name="l02662"></a><span class="lineno"> 2662</span> }</div>
|
|
<div class="line"><a name="l02663"></a><span class="lineno"> 2663</span>  </div>
|
|
<div class="line"><a name="l02664"></a><span class="lineno"> 2664</span> <span class="comment">// ----- All Solution Collector -----</span></div>
|
|
<div class="line"><a name="l02665"></a><span class="lineno"> 2665</span>  </div>
|
|
<div class="line"><a name="l02666"></a><span class="lineno"> 2666</span> <span class="comment">// collect all solutions</span></div>
|
|
<div class="line"><a name="l02667"></a><span class="lineno"> 2667</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l02668"></a><span class="lineno"> 2668</span> <span class="keyword">class </span>AllSolutionCollector : <span class="keyword">public</span> SolutionCollector {</div>
|
|
<div class="line"><a name="l02669"></a><span class="lineno"> 2669</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02670"></a><span class="lineno"> 2670</span>  AllSolutionCollector(Solver* <span class="keyword">const</span> s, <span class="keyword">const</span> Assignment* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>);</div>
|
|
<div class="line"><a name="l02671"></a><span class="lineno"> 2671</span>  <span class="keyword">explicit</span> AllSolutionCollector(Solver* <span class="keyword">const</span> s);</div>
|
|
<div class="line"><a name="l02672"></a><span class="lineno"> 2672</span>  ~AllSolutionCollector() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02673"></a><span class="lineno"> 2673</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02674"></a><span class="lineno"> 2674</span>  std::string DebugString() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l02675"></a><span class="lineno"> 2675</span> };</div>
|
|
<div class="line"><a name="l02676"></a><span class="lineno"> 2676</span>  </div>
|
|
<div class="line"><a name="l02677"></a><span class="lineno"> 2677</span> AllSolutionCollector::AllSolutionCollector(Solver* <span class="keyword">const</span> s,</div>
|
|
<div class="line"><a name="l02678"></a><span class="lineno"> 2678</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>)</div>
|
|
<div class="line"><a name="l02679"></a><span class="lineno"> 2679</span>  : SolutionCollector(s, <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>) {}</div>
|
|
<div class="line"><a name="l02680"></a><span class="lineno"> 2680</span>  </div>
|
|
<div class="line"><a name="l02681"></a><span class="lineno"> 2681</span> AllSolutionCollector::AllSolutionCollector(Solver* <span class="keyword">const</span> s)</div>
|
|
<div class="line"><a name="l02682"></a><span class="lineno"> 2682</span>  : SolutionCollector(s) {}</div>
|
|
<div class="line"><a name="l02683"></a><span class="lineno"> 2683</span>  </div>
|
|
<div class="line"><a name="l02684"></a><span class="lineno"> 2684</span> AllSolutionCollector::~AllSolutionCollector() {}</div>
|
|
<div class="line"><a name="l02685"></a><span class="lineno"> 2685</span>  </div>
|
|
<div class="line"><a name="l02686"></a><span class="lineno"> 2686</span> <span class="keywordtype">bool</span> AllSolutionCollector::AtSolution() {</div>
|
|
<div class="line"><a name="l02687"></a><span class="lineno"> 2687</span>  PushSolution();</div>
|
|
<div class="line"><a name="l02688"></a><span class="lineno"> 2688</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02689"></a><span class="lineno"> 2689</span> }</div>
|
|
<div class="line"><a name="l02690"></a><span class="lineno"> 2690</span>  </div>
|
|
<div class="line"><a name="l02691"></a><span class="lineno"> 2691</span> std::string AllSolutionCollector::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02692"></a><span class="lineno"> 2692</span>  <span class="keywordflow">if</span> (prototype_ == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02693"></a><span class="lineno"> 2693</span>  <span class="keywordflow">return</span> <span class="stringliteral">"AllSolutionCollector()"</span>;</div>
|
|
<div class="line"><a name="l02694"></a><span class="lineno"> 2694</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02695"></a><span class="lineno"> 2695</span>  <span class="keywordflow">return</span> <span class="stringliteral">"AllSolutionCollector("</span> + prototype_->DebugString() + <span class="stringliteral">")"</span>;</div>
|
|
<div class="line"><a name="l02696"></a><span class="lineno"> 2696</span>  }</div>
|
|
<div class="line"><a name="l02697"></a><span class="lineno"> 2697</span> }</div>
|
|
<div class="line"><a name="l02698"></a><span class="lineno"> 2698</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l02699"></a><span class="lineno"> 2699</span>  </div>
|
|
<div class="line"><a name="l02700"></a><span class="lineno"> 2700</span> SolutionCollector* Solver::MakeAllSolutionCollector(</div>
|
|
<div class="line"><a name="l02701"></a><span class="lineno"> 2701</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> assignment) {</div>
|
|
<div class="line"><a name="l02702"></a><span class="lineno"> 2702</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> AllSolutionCollector(<span class="keyword">this</span>, assignment));</div>
|
|
<div class="line"><a name="l02703"></a><span class="lineno"> 2703</span> }</div>
|
|
<div class="line"><a name="l02704"></a><span class="lineno"> 2704</span>  </div>
|
|
<div class="line"><a name="l02705"></a><span class="lineno"> 2705</span> SolutionCollector* Solver::MakeAllSolutionCollector() {</div>
|
|
<div class="line"><a name="l02706"></a><span class="lineno"> 2706</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> AllSolutionCollector(<span class="keyword">this</span>));</div>
|
|
<div class="line"><a name="l02707"></a><span class="lineno"> 2707</span> }</div>
|
|
<div class="line"><a name="l02708"></a><span class="lineno"> 2708</span>  </div>
|
|
<div class="line"><a name="l02709"></a><span class="lineno"> 2709</span> <span class="comment">// ---------- Objective Management ----------</span></div>
|
|
<div class="line"><a name="l02710"></a><span class="lineno"> 2710</span>  </div>
|
|
<div class="line"><a name="l02711"></a><span class="lineno"> 2711</span> OptimizeVar::OptimizeVar(Solver* <span class="keyword">const</span> s, <span class="keywordtype">bool</span> maximize, IntVar* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>,</div>
|
|
<div class="line"><a name="l02712"></a><span class="lineno"> 2712</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step)</div>
|
|
<div class="line"><a name="l02713"></a><span class="lineno"> 2713</span>  : SearchMonitor(s),</div>
|
|
<div class="line"><a name="l02714"></a><span class="lineno"> 2714</span>  var_(<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>),</div>
|
|
<div class="line"><a name="l02715"></a><span class="lineno"> 2715</span>  <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>(step),</div>
|
|
<div class="line"><a name="l02716"></a><span class="lineno"> 2716</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>),</div>
|
|
<div class="line"><a name="l02717"></a><span class="lineno"> 2717</span>  <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>(maximize),</div>
|
|
<div class="line"><a name="l02718"></a><span class="lineno"> 2718</span>  found_initial_solution_(false) {</div>
|
|
<div class="line"><a name="l02719"></a><span class="lineno"> 2719</span>  CHECK_GT(<a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>, 0);</div>
|
|
<div class="line"><a name="l02720"></a><span class="lineno"> 2720</span>  <span class="comment">// TODO(user): Store optimization direction in Solver. Besides making the</span></div>
|
|
<div class="line"><a name="l02721"></a><span class="lineno"> 2721</span>  <span class="comment">// code simpler it would also having two monitors optimizing in opposite</span></div>
|
|
<div class="line"><a name="l02722"></a><span class="lineno"> 2722</span>  <span class="comment">// directions.</span></div>
|
|
<div class="line"><a name="l02723"></a><span class="lineno"> 2723</span>  <span class="keywordflow">if</span> (maximize) {</div>
|
|
<div class="line"><a name="l02724"></a><span class="lineno"> 2724</span>  s->set_optimization_direction(Solver::MAXIMIZATION);</div>
|
|
<div class="line"><a name="l02725"></a><span class="lineno"> 2725</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02726"></a><span class="lineno"> 2726</span>  s->set_optimization_direction(Solver::MINIMIZATION);</div>
|
|
<div class="line"><a name="l02727"></a><span class="lineno"> 2727</span>  }</div>
|
|
<div class="line"><a name="l02728"></a><span class="lineno"> 2728</span> }</div>
|
|
<div class="line"><a name="l02729"></a><span class="lineno"> 2729</span>  </div>
|
|
<div class="line"><a name="l02730"></a><span class="lineno"> 2730</span> OptimizeVar::~OptimizeVar() {}</div>
|
|
<div class="line"><a name="l02731"></a><span class="lineno"> 2731</span>  </div>
|
|
<div class="line"><a name="l02732"></a><span class="lineno"> 2732</span> <span class="keywordtype">void</span> OptimizeVar::EnterSearch() {</div>
|
|
<div class="line"><a name="l02733"></a><span class="lineno"> 2733</span>  found_initial_solution_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l02734"></a><span class="lineno"> 2734</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l02735"></a><span class="lineno"> 2735</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
|
|
<div class="line"><a name="l02736"></a><span class="lineno"> 2736</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02737"></a><span class="lineno"> 2737</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l02738"></a><span class="lineno"> 2738</span>  }</div>
|
|
<div class="line"><a name="l02739"></a><span class="lineno"> 2739</span> }</div>
|
|
<div class="line"><a name="l02740"></a><span class="lineno"> 2740</span>  </div>
|
|
<div class="line"><a name="l02741"></a><span class="lineno"> 2741</span> <span class="keywordtype">void</span> OptimizeVar::BeginNextDecision(DecisionBuilder* <span class="keyword">const</span> db) {</div>
|
|
<div class="line"><a name="l02742"></a><span class="lineno"> 2742</span>  <span class="keywordflow">if</span> (solver()->SearchDepth() == 0) { <span class="comment">// after a restart.</span></div>
|
|
<div class="line"><a name="l02743"></a><span class="lineno"> 2743</span>  ApplyBound();</div>
|
|
<div class="line"><a name="l02744"></a><span class="lineno"> 2744</span>  }</div>
|
|
<div class="line"><a name="l02745"></a><span class="lineno"> 2745</span> }</div>
|
|
<div class="line"><a name="l02746"></a><span class="lineno"> 2746</span>  </div>
|
|
<div class="line"><a name="l02747"></a><span class="lineno"> 2747</span> <span class="keywordtype">void</span> OptimizeVar::ApplyBound() {</div>
|
|
<div class="line"><a name="l02748"></a><span class="lineno"> 2748</span>  <span class="keywordflow">if</span> (found_initial_solution_) {</div>
|
|
<div class="line"><a name="l02749"></a><span class="lineno"> 2749</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l02750"></a><span class="lineno"> 2750</span>  var_->SetMin(<a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> + <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>);</div>
|
|
<div class="line"><a name="l02751"></a><span class="lineno"> 2751</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02752"></a><span class="lineno"> 2752</span>  var_->SetMax(<a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> - <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>);</div>
|
|
<div class="line"><a name="l02753"></a><span class="lineno"> 2753</span>  }</div>
|
|
<div class="line"><a name="l02754"></a><span class="lineno"> 2754</span>  }</div>
|
|
<div class="line"><a name="l02755"></a><span class="lineno"> 2755</span> }</div>
|
|
<div class="line"><a name="l02756"></a><span class="lineno"> 2756</span>  </div>
|
|
<div class="line"><a name="l02757"></a><span class="lineno"> 2757</span> <span class="keywordtype">void</span> OptimizeVar::RefuteDecision(Decision* <span class="keyword">const</span> d) { ApplyBound(); }</div>
|
|
<div class="line"><a name="l02758"></a><span class="lineno"> 2758</span>  </div>
|
|
<div class="line"><a name="l02759"></a><span class="lineno"> 2759</span> <span class="keywordtype">bool</span> OptimizeVar::AcceptSolution() {</div>
|
|
<div class="line"><a name="l02760"></a><span class="lineno"> 2760</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> val = var_->Value();</div>
|
|
<div class="line"><a name="l02761"></a><span class="lineno"> 2761</span>  <span class="keywordflow">if</span> (!found_initial_solution_) {</div>
|
|
<div class="line"><a name="l02762"></a><span class="lineno"> 2762</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02763"></a><span class="lineno"> 2763</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02764"></a><span class="lineno"> 2764</span>  <span class="comment">// This code should never return false in sequential mode because</span></div>
|
|
<div class="line"><a name="l02765"></a><span class="lineno"> 2765</span>  <span class="comment">// ApplyBound should have been called before. In parallel, this is</span></div>
|
|
<div class="line"><a name="l02766"></a><span class="lineno"> 2766</span>  <span class="comment">// no longer true. That is why we keep it there, just in case.</span></div>
|
|
<div class="line"><a name="l02767"></a><span class="lineno"> 2767</span>  <span class="keywordflow">return</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a> && val > <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>) || (!<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a> && val < <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>);</div>
|
|
<div class="line"><a name="l02768"></a><span class="lineno"> 2768</span>  }</div>
|
|
<div class="line"><a name="l02769"></a><span class="lineno"> 2769</span> }</div>
|
|
<div class="line"><a name="l02770"></a><span class="lineno"> 2770</span>  </div>
|
|
<div class="line"><a name="l02771"></a><span class="lineno"> 2771</span> <span class="keywordtype">bool</span> OptimizeVar::AtSolution() {</div>
|
|
<div class="line"><a name="l02772"></a><span class="lineno"> 2772</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> val = var_->Value();</div>
|
|
<div class="line"><a name="l02773"></a><span class="lineno"> 2773</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l02774"></a><span class="lineno"> 2774</span>  CHECK(!found_initial_solution_ || val > <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>);</div>
|
|
<div class="line"><a name="l02775"></a><span class="lineno"> 2775</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = val;</div>
|
|
<div class="line"><a name="l02776"></a><span class="lineno"> 2776</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02777"></a><span class="lineno"> 2777</span>  CHECK(!found_initial_solution_ || val < <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>);</div>
|
|
<div class="line"><a name="l02778"></a><span class="lineno"> 2778</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = val;</div>
|
|
<div class="line"><a name="l02779"></a><span class="lineno"> 2779</span>  }</div>
|
|
<div class="line"><a name="l02780"></a><span class="lineno"> 2780</span>  found_initial_solution_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02781"></a><span class="lineno"> 2781</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02782"></a><span class="lineno"> 2782</span> }</div>
|
|
<div class="line"><a name="l02783"></a><span class="lineno"> 2783</span>  </div>
|
|
<div class="line"><a name="l02784"></a><span class="lineno"> 2784</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#aa84acd1f5e19a0fda99d68bfcce4fdcf">OptimizeVar::AcceptDelta</a>(Assignment* <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, Assignment* deltadelta) {</div>
|
|
<div class="line"><a name="l02785"></a><span class="lineno"> 2785</span>  <span class="keywordflow">if</span> (<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02786"></a><span class="lineno"> 2786</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> delta_has_objective = <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->HasObjective();</div>
|
|
<div class="line"><a name="l02787"></a><span class="lineno"> 2787</span>  <span class="keywordflow">if</span> (!delta_has_objective) {</div>
|
|
<div class="line"><a name="l02788"></a><span class="lineno"> 2788</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->AddObjective(var_);</div>
|
|
<div class="line"><a name="l02789"></a><span class="lineno"> 2789</span>  }</div>
|
|
<div class="line"><a name="l02790"></a><span class="lineno"> 2790</span>  <span class="keywordflow">if</span> (<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->Objective() == var_) {</div>
|
|
<div class="line"><a name="l02791"></a><span class="lineno"> 2791</span>  <span class="keyword">const</span> Assignment* <span class="keyword">const</span> local_search_state =</div>
|
|
<div class="line"><a name="l02792"></a><span class="lineno"> 2792</span>  solver()->GetOrCreateLocalSearchState();</div>
|
|
<div class="line"><a name="l02793"></a><span class="lineno"> 2793</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l02794"></a><span class="lineno"> 2794</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> delta_min_objective =</div>
|
|
<div class="line"><a name="l02795"></a><span class="lineno"> 2795</span>  delta_has_objective ? <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->ObjectiveMin() : <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
|
|
<div class="line"><a name="l02796"></a><span class="lineno"> 2796</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> min_objective =</div>
|
|
<div class="line"><a name="l02797"></a><span class="lineno"> 2797</span>  local_search_state->HasObjective()</div>
|
|
<div class="line"><a name="l02798"></a><span class="lineno"> 2798</span>  ? <a class="code" href="namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3">CapAdd</a>(local_search_state->ObjectiveMin(), <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>)</div>
|
|
<div class="line"><a name="l02799"></a><span class="lineno"> 2799</span>  : <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
|
|
<div class="line"><a name="l02800"></a><span class="lineno"> 2800</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->SetObjectiveMin(</div>
|
|
<div class="line"><a name="l02801"></a><span class="lineno"> 2801</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>({var_->Min(), min_objective, delta_min_objective}));</div>
|
|
<div class="line"><a name="l02802"></a><span class="lineno"> 2802</span>  </div>
|
|
<div class="line"><a name="l02803"></a><span class="lineno"> 2803</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02804"></a><span class="lineno"> 2804</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> delta_max_objective =</div>
|
|
<div class="line"><a name="l02805"></a><span class="lineno"> 2805</span>  delta_has_objective ? <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->ObjectiveMax() : <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l02806"></a><span class="lineno"> 2806</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_objective =</div>
|
|
<div class="line"><a name="l02807"></a><span class="lineno"> 2807</span>  local_search_state->HasObjective()</div>
|
|
<div class="line"><a name="l02808"></a><span class="lineno"> 2808</span>  ? <a class="code" href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">CapSub</a>(local_search_state->ObjectiveMax(), <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>)</div>
|
|
<div class="line"><a name="l02809"></a><span class="lineno"> 2809</span>  : <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l02810"></a><span class="lineno"> 2810</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->SetObjectiveMax(</div>
|
|
<div class="line"><a name="l02811"></a><span class="lineno"> 2811</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>({var_->Max(), max_objective, delta_max_objective}));</div>
|
|
<div class="line"><a name="l02812"></a><span class="lineno"> 2812</span>  }</div>
|
|
<div class="line"><a name="l02813"></a><span class="lineno"> 2813</span>  }</div>
|
|
<div class="line"><a name="l02814"></a><span class="lineno"> 2814</span>  }</div>
|
|
<div class="line"><a name="l02815"></a><span class="lineno"> 2815</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02816"></a><span class="lineno"> 2816</span> }</div>
|
|
<div class="line"><a name="l02817"></a><span class="lineno"> 2817</span>  </div>
|
|
<div class="line"><a name="l02818"></a><span class="lineno"> 2818</span> std::string OptimizeVar::Print()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02819"></a><span class="lineno"> 2819</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"objective value = %d, "</span>, var_->Value());</div>
|
|
<div class="line"><a name="l02820"></a><span class="lineno"> 2820</span> }</div>
|
|
<div class="line"><a name="l02821"></a><span class="lineno"> 2821</span>  </div>
|
|
<div class="line"><a name="l02822"></a><span class="lineno"> 2822</span> std::string OptimizeVar::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02823"></a><span class="lineno"> 2823</span>  std::string out;</div>
|
|
<div class="line"><a name="l02824"></a><span class="lineno"> 2824</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l02825"></a><span class="lineno"> 2825</span>  out = <span class="stringliteral">"MaximizeVar("</span>;</div>
|
|
<div class="line"><a name="l02826"></a><span class="lineno"> 2826</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02827"></a><span class="lineno"> 2827</span>  out = <span class="stringliteral">"MinimizeVar("</span>;</div>
|
|
<div class="line"><a name="l02828"></a><span class="lineno"> 2828</span>  }</div>
|
|
<div class="line"><a name="l02829"></a><span class="lineno"> 2829</span>  absl::StrAppendFormat(&out, <span class="stringliteral">"%s, step = %d, best = %d)"</span>, var_->DebugString(),</div>
|
|
<div class="line"><a name="l02830"></a><span class="lineno"> 2830</span>  <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>, <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>);</div>
|
|
<div class="line"><a name="l02831"></a><span class="lineno"> 2831</span>  <span class="keywordflow">return</span> out;</div>
|
|
<div class="line"><a name="l02832"></a><span class="lineno"> 2832</span> }</div>
|
|
<div class="line"><a name="l02833"></a><span class="lineno"> 2833</span>  </div>
|
|
<div class="line"><a name="l02834"></a><span class="lineno"> 2834</span> <span class="keywordtype">void</span> OptimizeVar::Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02835"></a><span class="lineno"> 2835</span>  visitor->BeginVisitExtension(ModelVisitor::kObjectiveExtension);</div>
|
|
<div class="line"><a name="l02836"></a><span class="lineno"> 2836</span>  visitor->VisitIntegerArgument(ModelVisitor::kMaximizeArgument, <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>);</div>
|
|
<div class="line"><a name="l02837"></a><span class="lineno"> 2837</span>  visitor->VisitIntegerArgument(ModelVisitor::kStepArgument, <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>);</div>
|
|
<div class="line"><a name="l02838"></a><span class="lineno"> 2838</span>  visitor->VisitIntegerExpressionArgument(ModelVisitor::kExpressionArgument,</div>
|
|
<div class="line"><a name="l02839"></a><span class="lineno"> 2839</span>  var_);</div>
|
|
<div class="line"><a name="l02840"></a><span class="lineno"> 2840</span>  visitor->EndVisitExtension(ModelVisitor::kObjectiveExtension);</div>
|
|
<div class="line"><a name="l02841"></a><span class="lineno"> 2841</span> }</div>
|
|
<div class="line"><a name="l02842"></a><span class="lineno"> 2842</span>  </div>
|
|
<div class="line"><a name="l02843"></a><span class="lineno"> 2843</span> OptimizeVar* Solver::MakeMinimize(IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l02844"></a><span class="lineno"> 2844</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> OptimizeVar(<span class="keyword">this</span>, <span class="keyword">false</span>, v, step));</div>
|
|
<div class="line"><a name="l02845"></a><span class="lineno"> 2845</span> }</div>
|
|
<div class="line"><a name="l02846"></a><span class="lineno"> 2846</span>  </div>
|
|
<div class="line"><a name="l02847"></a><span class="lineno"> 2847</span> OptimizeVar* Solver::MakeMaximize(IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l02848"></a><span class="lineno"> 2848</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> OptimizeVar(<span class="keyword">this</span>, <span class="keyword">true</span>, v, step));</div>
|
|
<div class="line"><a name="l02849"></a><span class="lineno"> 2849</span> }</div>
|
|
<div class="line"><a name="l02850"></a><span class="lineno"> 2850</span>  </div>
|
|
<div class="line"><a name="l02851"></a><span class="lineno"> 2851</span> OptimizeVar* Solver::MakeOptimize(<span class="keywordtype">bool</span> maximize, IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l02852"></a><span class="lineno"> 2852</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> OptimizeVar(<span class="keyword">this</span>, maximize, v, step));</div>
|
|
<div class="line"><a name="l02853"></a><span class="lineno"> 2853</span> }</div>
|
|
<div class="line"><a name="l02854"></a><span class="lineno"> 2854</span>  </div>
|
|
<div class="line"><a name="l02855"></a><span class="lineno"> 2855</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l02856"></a><span class="lineno"> 2856</span> <span class="keyword">class </span>WeightedOptimizeVar : <span class="keyword">public</span> OptimizeVar {</div>
|
|
<div class="line"><a name="l02857"></a><span class="lineno"> 2857</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02858"></a><span class="lineno"> 2858</span>  WeightedOptimizeVar(Solver* solver, <span class="keywordtype">bool</span> maximize,</div>
|
|
<div class="line"><a name="l02859"></a><span class="lineno"> 2859</span>  <span class="keyword">const</span> std::vector<IntVar*>& sub_objectives,</div>
|
|
<div class="line"><a name="l02860"></a><span class="lineno"> 2860</span>  <span class="keyword">const</span> std::vector<int64>& weights, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step)</div>
|
|
<div class="line"><a name="l02861"></a><span class="lineno"> 2861</span>  : OptimizeVar(solver, maximize,</div>
|
|
<div class="line"><a name="l02862"></a><span class="lineno"> 2862</span>  solver->MakeScalProd(sub_objectives, weights)->Var(), step),</div>
|
|
<div class="line"><a name="l02863"></a><span class="lineno"> 2863</span>  sub_objectives_(sub_objectives),</div>
|
|
<div class="line"><a name="l02864"></a><span class="lineno"> 2864</span>  weights_(weights) {</div>
|
|
<div class="line"><a name="l02865"></a><span class="lineno"> 2865</span>  CHECK_EQ(sub_objectives.size(), weights.size());</div>
|
|
<div class="line"><a name="l02866"></a><span class="lineno"> 2866</span>  }</div>
|
|
<div class="line"><a name="l02867"></a><span class="lineno"> 2867</span>  </div>
|
|
<div class="line"><a name="l02868"></a><span class="lineno"> 2868</span>  ~WeightedOptimizeVar()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l02869"></a><span class="lineno"> 2869</span>  std::string Print() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l02870"></a><span class="lineno"> 2870</span>  </div>
|
|
<div class="line"><a name="l02871"></a><span class="lineno"> 2871</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l02872"></a><span class="lineno"> 2872</span>  <span class="keyword">const</span> std::vector<IntVar*> sub_objectives_;</div>
|
|
<div class="line"><a name="l02873"></a><span class="lineno"> 2873</span>  <span class="keyword">const</span> std::vector<int64> weights_;</div>
|
|
<div class="line"><a name="l02874"></a><span class="lineno"> 2874</span>  </div>
|
|
<div class="line"><a name="l02875"></a><span class="lineno"> 2875</span>  <a class="code" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(WeightedOptimizeVar);</div>
|
|
<div class="line"><a name="l02876"></a><span class="lineno"> 2876</span> };</div>
|
|
<div class="line"><a name="l02877"></a><span class="lineno"> 2877</span>  </div>
|
|
<div class="line"><a name="l02878"></a><span class="lineno"> 2878</span> std::string WeightedOptimizeVar::Print()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l02879"></a><span class="lineno"> 2879</span>  std::string result(OptimizeVar::Print());</div>
|
|
<div class="line"><a name="l02880"></a><span class="lineno"> 2880</span>  result.append(<span class="stringliteral">"\nWeighted Objective:\n"</span>);</div>
|
|
<div class="line"><a name="l02881"></a><span class="lineno"> 2881</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < sub_objectives_.size(); ++i) {</div>
|
|
<div class="line"><a name="l02882"></a><span class="lineno"> 2882</span>  absl::StrAppendFormat(&result, <span class="stringliteral">"Variable %s,\tvalue %d,\tweight %d\n"</span>,</div>
|
|
<div class="line"><a name="l02883"></a><span class="lineno"> 2883</span>  sub_objectives_[i]-><a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>(),</div>
|
|
<div class="line"><a name="l02884"></a><span class="lineno"> 2884</span>  sub_objectives_[i]-><a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(), weights_[i]);</div>
|
|
<div class="line"><a name="l02885"></a><span class="lineno"> 2885</span>  }</div>
|
|
<div class="line"><a name="l02886"></a><span class="lineno"> 2886</span>  <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a name="l02887"></a><span class="lineno"> 2887</span> }</div>
|
|
<div class="line"><a name="l02888"></a><span class="lineno"> 2888</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l02889"></a><span class="lineno"> 2889</span>  </div>
|
|
<div class="line"><a name="l02890"></a><span class="lineno"> 2890</span> OptimizeVar* Solver::MakeWeightedOptimize(</div>
|
|
<div class="line"><a name="l02891"></a><span class="lineno"> 2891</span>  <span class="keywordtype">bool</span> maximize, <span class="keyword">const</span> std::vector<IntVar*>& sub_objectives,</div>
|
|
<div class="line"><a name="l02892"></a><span class="lineno"> 2892</span>  <span class="keyword">const</span> std::vector<int64>& weights, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l02893"></a><span class="lineno"> 2893</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
|
<div class="line"><a name="l02894"></a><span class="lineno"> 2894</span>  <span class="keyword">new</span> WeightedOptimizeVar(<span class="keyword">this</span>, maximize, sub_objectives, weights, step));</div>
|
|
<div class="line"><a name="l02895"></a><span class="lineno"> 2895</span> }</div>
|
|
<div class="line"><a name="l02896"></a><span class="lineno"> 2896</span>  </div>
|
|
<div class="line"><a name="l02897"></a><span class="lineno"> 2897</span> OptimizeVar* Solver::MakeWeightedMinimize(</div>
|
|
<div class="line"><a name="l02898"></a><span class="lineno"> 2898</span>  <span class="keyword">const</span> std::vector<IntVar*>& sub_objectives,</div>
|
|
<div class="line"><a name="l02899"></a><span class="lineno"> 2899</span>  <span class="keyword">const</span> std::vector<int64>& weights, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l02900"></a><span class="lineno"> 2900</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
|
<div class="line"><a name="l02901"></a><span class="lineno"> 2901</span>  <span class="keyword">new</span> WeightedOptimizeVar(<span class="keyword">this</span>, <span class="keyword">false</span>, sub_objectives, weights, step));</div>
|
|
<div class="line"><a name="l02902"></a><span class="lineno"> 2902</span> }</div>
|
|
<div class="line"><a name="l02903"></a><span class="lineno"> 2903</span>  </div>
|
|
<div class="line"><a name="l02904"></a><span class="lineno"> 2904</span> OptimizeVar* Solver::MakeWeightedMaximize(</div>
|
|
<div class="line"><a name="l02905"></a><span class="lineno"> 2905</span>  <span class="keyword">const</span> std::vector<IntVar*>& sub_objectives,</div>
|
|
<div class="line"><a name="l02906"></a><span class="lineno"> 2906</span>  <span class="keyword">const</span> std::vector<int64>& weights, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l02907"></a><span class="lineno"> 2907</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
|
<div class="line"><a name="l02908"></a><span class="lineno"> 2908</span>  <span class="keyword">new</span> WeightedOptimizeVar(<span class="keyword">this</span>, <span class="keyword">true</span>, sub_objectives, weights, step));</div>
|
|
<div class="line"><a name="l02909"></a><span class="lineno"> 2909</span> }</div>
|
|
<div class="line"><a name="l02910"></a><span class="lineno"> 2910</span>  </div>
|
|
<div class="line"><a name="l02911"></a><span class="lineno"> 2911</span> OptimizeVar* Solver::MakeWeightedOptimize(</div>
|
|
<div class="line"><a name="l02912"></a><span class="lineno"> 2912</span>  <span class="keywordtype">bool</span> maximize, <span class="keyword">const</span> std::vector<IntVar*>& sub_objectives,</div>
|
|
<div class="line"><a name="l02913"></a><span class="lineno"> 2913</span>  <span class="keyword">const</span> std::vector<int>& weights, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l02914"></a><span class="lineno"> 2914</span>  <span class="keywordflow">return</span> MakeWeightedOptimize(maximize, sub_objectives, <a class="code" href="namespaceoperations__research.html#abf97a851d233a8ec9d94e1275fe7e34f">ToInt64Vector</a>(weights),</div>
|
|
<div class="line"><a name="l02915"></a><span class="lineno"> 2915</span>  step);</div>
|
|
<div class="line"><a name="l02916"></a><span class="lineno"> 2916</span> }</div>
|
|
<div class="line"><a name="l02917"></a><span class="lineno"> 2917</span>  </div>
|
|
<div class="line"><a name="l02918"></a><span class="lineno"> 2918</span> OptimizeVar* Solver::MakeWeightedMinimize(</div>
|
|
<div class="line"><a name="l02919"></a><span class="lineno"> 2919</span>  <span class="keyword">const</span> std::vector<IntVar*>& sub_objectives, <span class="keyword">const</span> std::vector<int>& weights,</div>
|
|
<div class="line"><a name="l02920"></a><span class="lineno"> 2920</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l02921"></a><span class="lineno"> 2921</span>  <span class="keywordflow">return</span> MakeWeightedMinimize(sub_objectives, <a class="code" href="namespaceoperations__research.html#abf97a851d233a8ec9d94e1275fe7e34f">ToInt64Vector</a>(weights), step);</div>
|
|
<div class="line"><a name="l02922"></a><span class="lineno"> 2922</span> }</div>
|
|
<div class="line"><a name="l02923"></a><span class="lineno"> 2923</span>  </div>
|
|
<div class="line"><a name="l02924"></a><span class="lineno"> 2924</span> OptimizeVar* Solver::MakeWeightedMaximize(</div>
|
|
<div class="line"><a name="l02925"></a><span class="lineno"> 2925</span>  <span class="keyword">const</span> std::vector<IntVar*>& sub_objectives, <span class="keyword">const</span> std::vector<int>& weights,</div>
|
|
<div class="line"><a name="l02926"></a><span class="lineno"> 2926</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l02927"></a><span class="lineno"> 2927</span>  <span class="keywordflow">return</span> MakeWeightedMaximize(sub_objectives, <a class="code" href="namespaceoperations__research.html#abf97a851d233a8ec9d94e1275fe7e34f">ToInt64Vector</a>(weights), step);</div>
|
|
<div class="line"><a name="l02928"></a><span class="lineno"> 2928</span> }</div>
|
|
<div class="line"><a name="l02929"></a><span class="lineno"> 2929</span>  </div>
|
|
<div class="line"><a name="l02930"></a><span class="lineno"> 2930</span> <span class="comment">// ---------- Metaheuristics ---------</span></div>
|
|
<div class="line"><a name="l02931"></a><span class="lineno"> 2931</span>  </div>
|
|
<div class="line"><a name="l02932"></a><span class="lineno"> 2932</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l02933"></a><span class="lineno"> 2933</span> <span class="keyword">class </span>Metaheuristic : <span class="keyword">public</span> SearchMonitor {</div>
|
|
<div class="line"><a name="l02934"></a><span class="lineno"> 2934</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l02935"></a><span class="lineno"> 2935</span>  Metaheuristic(Solver* <span class="keyword">const</span> solver, <span class="keywordtype">bool</span> maximize, IntVar* objective,</div>
|
|
<div class="line"><a name="l02936"></a><span class="lineno"> 2936</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step);</div>
|
|
<div class="line"><a name="l02937"></a><span class="lineno"> 2937</span>  ~Metaheuristic()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l02938"></a><span class="lineno"> 2938</span>  </div>
|
|
<div class="line"><a name="l02939"></a><span class="lineno"> 2939</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02940"></a><span class="lineno"> 2940</span>  <span class="keywordtype">void</span> EnterSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02941"></a><span class="lineno"> 2941</span>  <span class="keywordtype">void</span> RefuteDecision(Decision* <span class="keyword">const</span> d) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02942"></a><span class="lineno"> 2942</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#aa84acd1f5e19a0fda99d68bfcce4fdcf">AcceptDelta</a>(Assignment* <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, Assignment* deltadelta) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l02943"></a><span class="lineno"> 2943</span>  </div>
|
|
<div class="line"><a name="l02944"></a><span class="lineno"> 2944</span>  <span class="keyword">protected</span>:</div>
|
|
<div class="line"><a name="l02945"></a><span class="lineno"><a class="line" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3"> 2945</a></span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>;</div>
|
|
<div class="line"><a name="l02946"></a><span class="lineno"><a class="line" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14"> 2946</a></span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>;</div>
|
|
<div class="line"><a name="l02947"></a><span class="lineno"><a class="line" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea"> 2947</a></span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>;</div>
|
|
<div class="line"><a name="l02948"></a><span class="lineno"> 2948</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>;</div>
|
|
<div class="line"><a name="l02949"></a><span class="lineno"> 2949</span>  <span class="keywordtype">bool</span> <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>;</div>
|
|
<div class="line"><a name="l02950"></a><span class="lineno"> 2950</span> };</div>
|
|
<div class="line"><a name="l02951"></a><span class="lineno"> 2951</span>  </div>
|
|
<div class="line"><a name="l02952"></a><span class="lineno"> 2952</span> Metaheuristic::Metaheuristic(Solver* <span class="keyword">const</span> solver, <span class="keywordtype">bool</span> maximize,</div>
|
|
<div class="line"><a name="l02953"></a><span class="lineno"> 2953</span>  IntVar* objective, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step)</div>
|
|
<div class="line"><a name="l02954"></a><span class="lineno"> 2954</span>  : SearchMonitor(solver),</div>
|
|
<div class="line"><a name="l02955"></a><span class="lineno"> 2955</span>  <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>(objective),</div>
|
|
<div class="line"><a name="l02956"></a><span class="lineno"> 2956</span>  <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>(step),</div>
|
|
<div class="line"><a name="l02957"></a><span class="lineno"> 2957</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>),</div>
|
|
<div class="line"><a name="l02958"></a><span class="lineno"> 2958</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>),</div>
|
|
<div class="line"><a name="l02959"></a><span class="lineno"> 2959</span>  <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>(maximize) {}</div>
|
|
<div class="line"><a name="l02960"></a><span class="lineno"> 2960</span>  </div>
|
|
<div class="line"><a name="l02961"></a><span class="lineno"> 2961</span> <span class="keywordtype">bool</span> Metaheuristic::AtSolution() {</div>
|
|
<div class="line"><a name="l02962"></a><span class="lineno"> 2962</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> = <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>->Value();</div>
|
|
<div class="line"><a name="l02963"></a><span class="lineno"> 2963</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l02964"></a><span class="lineno"> 2964</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>, <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>);</div>
|
|
<div class="line"><a name="l02965"></a><span class="lineno"> 2965</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02966"></a><span class="lineno"> 2966</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>, <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>);</div>
|
|
<div class="line"><a name="l02967"></a><span class="lineno"> 2967</span>  }</div>
|
|
<div class="line"><a name="l02968"></a><span class="lineno"> 2968</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l02969"></a><span class="lineno"> 2969</span> }</div>
|
|
<div class="line"><a name="l02970"></a><span class="lineno"> 2970</span>  </div>
|
|
<div class="line"><a name="l02971"></a><span class="lineno"> 2971</span> <span class="keywordtype">void</span> Metaheuristic::EnterSearch() {</div>
|
|
<div class="line"><a name="l02972"></a><span class="lineno"> 2972</span>  <span class="comment">// TODO(user): Remove this when fast local search works with</span></div>
|
|
<div class="line"><a name="l02973"></a><span class="lineno"> 2973</span>  <span class="comment">// metaheuristics.</span></div>
|
|
<div class="line"><a name="l02974"></a><span class="lineno"> 2974</span>  solver()->SetUseFastLocalSearch(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l02975"></a><span class="lineno"> 2975</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l02976"></a><span class="lineno"> 2976</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>->Min();</div>
|
|
<div class="line"><a name="l02977"></a><span class="lineno"> 2977</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
|
|
<div class="line"><a name="l02978"></a><span class="lineno"> 2978</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l02979"></a><span class="lineno"> 2979</span>  <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> = <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>->Max();</div>
|
|
<div class="line"><a name="l02980"></a><span class="lineno"> 2980</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l02981"></a><span class="lineno"> 2981</span>  }</div>
|
|
<div class="line"><a name="l02982"></a><span class="lineno"> 2982</span> }</div>
|
|
<div class="line"><a name="l02983"></a><span class="lineno"> 2983</span>  </div>
|
|
<div class="line"><a name="l02984"></a><span class="lineno"> 2984</span> <span class="keywordtype">void</span> Metaheuristic::RefuteDecision(Decision* d) {</div>
|
|
<div class="line"><a name="l02985"></a><span class="lineno"> 2985</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l02986"></a><span class="lineno"> 2986</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>->Max() < <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> + <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>) {</div>
|
|
<div class="line"><a name="l02987"></a><span class="lineno"> 2987</span>  solver()->Fail();</div>
|
|
<div class="line"><a name="l02988"></a><span class="lineno"> 2988</span>  }</div>
|
|
<div class="line"><a name="l02989"></a><span class="lineno"> 2989</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>->Min() > <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> - <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>) {</div>
|
|
<div class="line"><a name="l02990"></a><span class="lineno"> 2990</span>  solver()->Fail();</div>
|
|
<div class="line"><a name="l02991"></a><span class="lineno"> 2991</span>  }</div>
|
|
<div class="line"><a name="l02992"></a><span class="lineno"> 2992</span> }</div>
|
|
<div class="line"><a name="l02993"></a><span class="lineno"> 2993</span>  </div>
|
|
<div class="line"><a name="l02994"></a><span class="lineno"> 2994</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#aa84acd1f5e19a0fda99d68bfcce4fdcf">Metaheuristic::AcceptDelta</a>(Assignment* <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, Assignment* deltadelta) {</div>
|
|
<div class="line"><a name="l02995"></a><span class="lineno"> 2995</span>  <span class="keywordflow">if</span> (<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l02996"></a><span class="lineno"> 2996</span>  <span class="keywordflow">if</span> (!<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->HasObjective()) {</div>
|
|
<div class="line"><a name="l02997"></a><span class="lineno"> 2997</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->AddObjective(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>);</div>
|
|
<div class="line"><a name="l02998"></a><span class="lineno"> 2998</span>  }</div>
|
|
<div class="line"><a name="l02999"></a><span class="lineno"> 2999</span>  <span class="keywordflow">if</span> (<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->Objective() == <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>) {</div>
|
|
<div class="line"><a name="l03000"></a><span class="lineno"> 3000</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03001"></a><span class="lineno"> 3001</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->SetObjectiveMin(</div>
|
|
<div class="line"><a name="l03002"></a><span class="lineno"> 3002</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>->Min(), <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->ObjectiveMin()));</div>
|
|
<div class="line"><a name="l03003"></a><span class="lineno"> 3003</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03004"></a><span class="lineno"> 3004</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->SetObjectiveMax(</div>
|
|
<div class="line"><a name="l03005"></a><span class="lineno"> 3005</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>->Max(), <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->ObjectiveMax()));</div>
|
|
<div class="line"><a name="l03006"></a><span class="lineno"> 3006</span>  }</div>
|
|
<div class="line"><a name="l03007"></a><span class="lineno"> 3007</span>  }</div>
|
|
<div class="line"><a name="l03008"></a><span class="lineno"> 3008</span>  }</div>
|
|
<div class="line"><a name="l03009"></a><span class="lineno"> 3009</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03010"></a><span class="lineno"> 3010</span> }</div>
|
|
<div class="line"><a name="l03011"></a><span class="lineno"> 3011</span>  </div>
|
|
<div class="line"><a name="l03012"></a><span class="lineno"> 3012</span> <span class="comment">// ---------- Tabu Search ----------</span></div>
|
|
<div class="line"><a name="l03013"></a><span class="lineno"> 3013</span>  </div>
|
|
<div class="line"><a name="l03014"></a><span class="lineno"> 3014</span> <span class="keyword">class </span>TabuSearch : <span class="keyword">public</span> Metaheuristic {</div>
|
|
<div class="line"><a name="l03015"></a><span class="lineno"> 3015</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l03016"></a><span class="lineno"> 3016</span>  TabuSearch(Solver* <span class="keyword">const</span> s, <span class="keywordtype">bool</span> maximize, IntVar* objective, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l03017"></a><span class="lineno"> 3017</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> keep_tenure,</div>
|
|
<div class="line"><a name="l03018"></a><span class="lineno"> 3018</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> forbid_tenure, <span class="keywordtype">double</span> tabu_factor);</div>
|
|
<div class="line"><a name="l03019"></a><span class="lineno"> 3019</span>  ~TabuSearch()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l03020"></a><span class="lineno"> 3020</span>  <span class="keywordtype">void</span> EnterSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03021"></a><span class="lineno"> 3021</span>  <span class="keywordtype">void</span> ApplyDecision(Decision* d) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03022"></a><span class="lineno"> 3022</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03023"></a><span class="lineno"> 3023</span>  <span class="keywordtype">bool</span> LocalOptimum() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03024"></a><span class="lineno"> 3024</span>  <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#ac076f97ddc2c6a302b01ca2bb528e1f4">AcceptNeighbor</a>() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03025"></a><span class="lineno"> 3025</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"Tabu Search"</span>; }</div>
|
|
<div class="line"><a name="l03026"></a><span class="lineno"> 3026</span>  </div>
|
|
<div class="line"><a name="l03027"></a><span class="lineno"> 3027</span>  <span class="keyword">protected</span>:</div>
|
|
<div class="line"><a name="l03028"></a><span class="lineno"> 3028</span>  <span class="keyword">struct </span>VarValue {</div>
|
|
<div class="line"><a name="l03029"></a><span class="lineno"> 3029</span>  VarValue(IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> stamp)</div>
|
|
<div class="line"><a name="l03030"></a><span class="lineno"> 3030</span>  : var_(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>), value_(<a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>), <a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>(stamp) {}</div>
|
|
<div class="line"><a name="l03031"></a><span class="lineno"> 3031</span>  IntVar* <span class="keyword">const</span> var_;</div>
|
|
<div class="line"><a name="l03032"></a><span class="lineno"> 3032</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> value_;</div>
|
|
<div class="line"><a name="l03033"></a><span class="lineno"><a class="line" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104"> 3033</a></span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>;</div>
|
|
<div class="line"><a name="l03034"></a><span class="lineno"> 3034</span>  };</div>
|
|
<div class="line"><a name="l03035"></a><span class="lineno"> 3035</span>  <span class="keyword">typedef</span> std::list<VarValue> TabuList;</div>
|
|
<div class="line"><a name="l03036"></a><span class="lineno"> 3036</span>  </div>
|
|
<div class="line"><a name="l03037"></a><span class="lineno"> 3037</span>  <span class="keyword">virtual</span> std::vector<IntVar*> CreateTabuVars();</div>
|
|
<div class="line"><a name="l03038"></a><span class="lineno"> 3038</span>  <span class="keyword">const</span> TabuList& forbid_tabu_list() { <span class="keywordflow">return</span> forbid_tabu_list_; }</div>
|
|
<div class="line"><a name="l03039"></a><span class="lineno"> 3039</span>  </div>
|
|
<div class="line"><a name="l03040"></a><span class="lineno"> 3040</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l03041"></a><span class="lineno"> 3041</span>  <span class="keywordtype">void</span> AgeList(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> tenure, TabuList* list);</div>
|
|
<div class="line"><a name="l03042"></a><span class="lineno"> 3042</span>  <span class="keywordtype">void</span> AgeLists();</div>
|
|
<div class="line"><a name="l03043"></a><span class="lineno"> 3043</span>  </div>
|
|
<div class="line"><a name="l03044"></a><span class="lineno"> 3044</span>  <span class="keyword">const</span> std::vector<IntVar*> <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>;</div>
|
|
<div class="line"><a name="l03045"></a><span class="lineno"> 3045</span>  Assignment assignment_;</div>
|
|
<div class="line"><a name="l03046"></a><span class="lineno"> 3046</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> last_;</div>
|
|
<div class="line"><a name="l03047"></a><span class="lineno"> 3047</span>  TabuList keep_tabu_list_;</div>
|
|
<div class="line"><a name="l03048"></a><span class="lineno"> 3048</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> keep_tenure_;</div>
|
|
<div class="line"><a name="l03049"></a><span class="lineno"> 3049</span>  TabuList forbid_tabu_list_;</div>
|
|
<div class="line"><a name="l03050"></a><span class="lineno"> 3050</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> forbid_tenure_;</div>
|
|
<div class="line"><a name="l03051"></a><span class="lineno"> 3051</span>  <span class="keywordtype">double</span> tabu_factor_;</div>
|
|
<div class="line"><a name="l03052"></a><span class="lineno"> 3052</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>;</div>
|
|
<div class="line"><a name="l03053"></a><span class="lineno"> 3053</span>  <span class="keywordtype">bool</span> found_initial_solution_;</div>
|
|
<div class="line"><a name="l03054"></a><span class="lineno"> 3054</span>  </div>
|
|
<div class="line"><a name="l03055"></a><span class="lineno"> 3055</span>  <a class="code" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(TabuSearch);</div>
|
|
<div class="line"><a name="l03056"></a><span class="lineno"> 3056</span> };</div>
|
|
<div class="line"><a name="l03057"></a><span class="lineno"> 3057</span>  </div>
|
|
<div class="line"><a name="l03058"></a><span class="lineno"> 3058</span> TabuSearch::TabuSearch(Solver* <span class="keyword">const</span> s, <span class="keywordtype">bool</span> maximize, IntVar* objective,</div>
|
|
<div class="line"><a name="l03059"></a><span class="lineno"> 3059</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l03060"></a><span class="lineno"> 3060</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> keep_tenure, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> forbid_tenure,</div>
|
|
<div class="line"><a name="l03061"></a><span class="lineno"> 3061</span>  <span class="keywordtype">double</span> tabu_factor)</div>
|
|
<div class="line"><a name="l03062"></a><span class="lineno"> 3062</span>  : Metaheuristic(s, maximize, objective, step),</div>
|
|
<div class="line"><a name="l03063"></a><span class="lineno"> 3063</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>(vars),</div>
|
|
<div class="line"><a name="l03064"></a><span class="lineno"> 3064</span>  assignment_(s),</div>
|
|
<div class="line"><a name="l03065"></a><span class="lineno"> 3065</span>  last_(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>),</div>
|
|
<div class="line"><a name="l03066"></a><span class="lineno"> 3066</span>  keep_tenure_(keep_tenure),</div>
|
|
<div class="line"><a name="l03067"></a><span class="lineno"> 3067</span>  forbid_tenure_(forbid_tenure),</div>
|
|
<div class="line"><a name="l03068"></a><span class="lineno"> 3068</span>  tabu_factor_(tabu_factor),</div>
|
|
<div class="line"><a name="l03069"></a><span class="lineno"> 3069</span>  <a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>(0),</div>
|
|
<div class="line"><a name="l03070"></a><span class="lineno"> 3070</span>  found_initial_solution_(false) {</div>
|
|
<div class="line"><a name="l03071"></a><span class="lineno"> 3071</span>  assignment_.Add(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>);</div>
|
|
<div class="line"><a name="l03072"></a><span class="lineno"> 3072</span> }</div>
|
|
<div class="line"><a name="l03073"></a><span class="lineno"> 3073</span>  </div>
|
|
<div class="line"><a name="l03074"></a><span class="lineno"> 3074</span> <span class="keywordtype">void</span> TabuSearch::EnterSearch() {</div>
|
|
<div class="line"><a name="l03075"></a><span class="lineno"> 3075</span>  Metaheuristic::EnterSearch();</div>
|
|
<div class="line"><a name="l03076"></a><span class="lineno"> 3076</span>  found_initial_solution_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03077"></a><span class="lineno"> 3077</span> }</div>
|
|
<div class="line"><a name="l03078"></a><span class="lineno"> 3078</span>  </div>
|
|
<div class="line"><a name="l03079"></a><span class="lineno"> 3079</span> <span class="keywordtype">void</span> TabuSearch::ApplyDecision(Decision* <span class="keyword">const</span> d) {</div>
|
|
<div class="line"><a name="l03080"></a><span class="lineno"> 3080</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l03081"></a><span class="lineno"> 3081</span>  <span class="keywordflow">if</span> (d == s->balancing_decision()) {</div>
|
|
<div class="line"><a name="l03082"></a><span class="lineno"> 3082</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l03083"></a><span class="lineno"> 3083</span>  }</div>
|
|
<div class="line"><a name="l03084"></a><span class="lineno"> 3084</span>  <span class="comment">// Aspiration criterion</span></div>
|
|
<div class="line"><a name="l03085"></a><span class="lineno"> 3085</span>  <span class="comment">// Accept a neighbor if it improves the best solution found so far</span></div>
|
|
<div class="line"><a name="l03086"></a><span class="lineno"> 3086</span>  IntVar* aspiration = s->MakeBoolVar();</div>
|
|
<div class="line"><a name="l03087"></a><span class="lineno"> 3087</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03088"></a><span class="lineno"> 3088</span>  s->AddConstraint(s->MakeIsGreaterOrEqualCstCt(</div>
|
|
<div class="line"><a name="l03089"></a><span class="lineno"> 3089</span>  <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>, <a class="code" href="namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3">CapAdd</a>(<a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>, <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>), aspiration));</div>
|
|
<div class="line"><a name="l03090"></a><span class="lineno"> 3090</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03091"></a><span class="lineno"> 3091</span>  s->AddConstraint(s->MakeIsLessOrEqualCstCt(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>, <a class="code" href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">CapSub</a>(<a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>, <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>),</div>
|
|
<div class="line"><a name="l03092"></a><span class="lineno"> 3092</span>  aspiration));</div>
|
|
<div class="line"><a name="l03093"></a><span class="lineno"> 3093</span>  }</div>
|
|
<div class="line"><a name="l03094"></a><span class="lineno"> 3094</span>  </div>
|
|
<div class="line"><a name="l03095"></a><span class="lineno"> 3095</span>  IntVar* tabu_var = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l03096"></a><span class="lineno"> 3096</span>  {</div>
|
|
<div class="line"><a name="l03097"></a><span class="lineno"> 3097</span>  <span class="comment">// Creating the vector in a scope to make sure it gets deleted before</span></div>
|
|
<div class="line"><a name="l03098"></a><span class="lineno"> 3098</span>  <span class="comment">// adding further constraints which could fail and lead to a leak.</span></div>
|
|
<div class="line"><a name="l03099"></a><span class="lineno"> 3099</span>  <span class="keyword">const</span> std::vector<IntVar*> tabu_vars = CreateTabuVars();</div>
|
|
<div class="line"><a name="l03100"></a><span class="lineno"> 3100</span>  <span class="keywordflow">if</span> (!tabu_vars.empty()) {</div>
|
|
<div class="line"><a name="l03101"></a><span class="lineno"> 3101</span>  tabu_var = s->MakeIsGreaterOrEqualCstVar(s->MakeSum(tabu_vars)->Var(),</div>
|
|
<div class="line"><a name="l03102"></a><span class="lineno"> 3102</span>  tabu_vars.size() * tabu_factor_);</div>
|
|
<div class="line"><a name="l03103"></a><span class="lineno"> 3103</span>  }</div>
|
|
<div class="line"><a name="l03104"></a><span class="lineno"> 3104</span>  }</div>
|
|
<div class="line"><a name="l03105"></a><span class="lineno"> 3105</span>  </div>
|
|
<div class="line"><a name="l03106"></a><span class="lineno"> 3106</span>  <span class="keywordflow">if</span> (tabu_var != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l03107"></a><span class="lineno"> 3107</span>  s->AddConstraint(</div>
|
|
<div class="line"><a name="l03108"></a><span class="lineno"> 3108</span>  s->MakeGreaterOrEqual(s->MakeSum(aspiration, tabu_var), <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>{1}));</div>
|
|
<div class="line"><a name="l03109"></a><span class="lineno"> 3109</span>  }</div>
|
|
<div class="line"><a name="l03110"></a><span class="lineno"> 3110</span>  </div>
|
|
<div class="line"><a name="l03111"></a><span class="lineno"> 3111</span>  <span class="comment">// Go downhill to the next local optimum</span></div>
|
|
<div class="line"><a name="l03112"></a><span class="lineno"> 3112</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03113"></a><span class="lineno"> 3113</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a> = (<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> > <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>) ? <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> + <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a> : <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>;</div>
|
|
<div class="line"><a name="l03114"></a><span class="lineno"> 3114</span>  s->AddConstraint(s->MakeGreaterOrEqual(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>, <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>));</div>
|
|
<div class="line"><a name="l03115"></a><span class="lineno"> 3115</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03116"></a><span class="lineno"> 3116</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a> = (<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> < <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) ? <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> - <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a> : <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>;</div>
|
|
<div class="line"><a name="l03117"></a><span class="lineno"> 3117</span>  s->AddConstraint(s->MakeLessOrEqual(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>, <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>));</div>
|
|
<div class="line"><a name="l03118"></a><span class="lineno"> 3118</span>  }</div>
|
|
<div class="line"><a name="l03119"></a><span class="lineno"> 3119</span>  </div>
|
|
<div class="line"><a name="l03120"></a><span class="lineno"> 3120</span>  <span class="comment">// Avoid cost plateau's which lead to tabu cycles</span></div>
|
|
<div class="line"><a name="l03121"></a><span class="lineno"> 3121</span>  <span class="keywordflow">if</span> (found_initial_solution_) {</div>
|
|
<div class="line"><a name="l03122"></a><span class="lineno"> 3122</span>  s->AddConstraint(s->MakeNonEquality(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>, last_));</div>
|
|
<div class="line"><a name="l03123"></a><span class="lineno"> 3123</span>  }</div>
|
|
<div class="line"><a name="l03124"></a><span class="lineno"> 3124</span> }</div>
|
|
<div class="line"><a name="l03125"></a><span class="lineno"> 3125</span>  </div>
|
|
<div class="line"><a name="l03126"></a><span class="lineno"> 3126</span> std::vector<IntVar*> TabuSearch::CreateTabuVars() {</div>
|
|
<div class="line"><a name="l03127"></a><span class="lineno"> 3127</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l03128"></a><span class="lineno"> 3128</span>  </div>
|
|
<div class="line"><a name="l03129"></a><span class="lineno"> 3129</span>  <span class="comment">// Tabu criterion</span></div>
|
|
<div class="line"><a name="l03130"></a><span class="lineno"> 3130</span>  <span class="comment">// A variable in the "keep" list must keep its value, a variable in the</span></div>
|
|
<div class="line"><a name="l03131"></a><span class="lineno"> 3131</span>  <span class="comment">// "forbid" list must not take its value in the list. The tabu criterion is</span></div>
|
|
<div class="line"><a name="l03132"></a><span class="lineno"> 3132</span>  <span class="comment">// softened by the tabu factor which gives the number of violations to</span></div>
|
|
<div class="line"><a name="l03133"></a><span class="lineno"> 3133</span>  <span class="comment">// the tabu criterion which is tolerated; a factor of 1 means no violations</span></div>
|
|
<div class="line"><a name="l03134"></a><span class="lineno"> 3134</span>  <span class="comment">// allowed, a factor of 0 means all violations allowed.</span></div>
|
|
<div class="line"><a name="l03135"></a><span class="lineno"> 3135</span>  std::vector<IntVar*> tabu_vars;</div>
|
|
<div class="line"><a name="l03136"></a><span class="lineno"> 3136</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> VarValue& vv : keep_tabu_list_) {</div>
|
|
<div class="line"><a name="l03137"></a><span class="lineno"> 3137</span>  tabu_vars.push_back(s->MakeIsEqualCstVar(vv.var_, vv.value_));</div>
|
|
<div class="line"><a name="l03138"></a><span class="lineno"> 3138</span>  }</div>
|
|
<div class="line"><a name="l03139"></a><span class="lineno"> 3139</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> VarValue& vv : forbid_tabu_list_) {</div>
|
|
<div class="line"><a name="l03140"></a><span class="lineno"> 3140</span>  tabu_vars.push_back(s->MakeIsDifferentCstVar(vv.var_, vv.value_));</div>
|
|
<div class="line"><a name="l03141"></a><span class="lineno"> 3141</span>  }</div>
|
|
<div class="line"><a name="l03142"></a><span class="lineno"> 3142</span>  <span class="keywordflow">return</span> tabu_vars;</div>
|
|
<div class="line"><a name="l03143"></a><span class="lineno"> 3143</span> }</div>
|
|
<div class="line"><a name="l03144"></a><span class="lineno"> 3144</span>  </div>
|
|
<div class="line"><a name="l03145"></a><span class="lineno"> 3145</span> <span class="keywordtype">bool</span> TabuSearch::AtSolution() {</div>
|
|
<div class="line"><a name="l03146"></a><span class="lineno"> 3146</span>  <span class="keywordflow">if</span> (!Metaheuristic::AtSolution()) {</div>
|
|
<div class="line"><a name="l03147"></a><span class="lineno"> 3147</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03148"></a><span class="lineno"> 3148</span>  }</div>
|
|
<div class="line"><a name="l03149"></a><span class="lineno"> 3149</span>  found_initial_solution_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03150"></a><span class="lineno"> 3150</span>  last_ = <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>;</div>
|
|
<div class="line"><a name="l03151"></a><span class="lineno"> 3151</span>  </div>
|
|
<div class="line"><a name="l03152"></a><span class="lineno"> 3152</span>  <span class="comment">// New solution found: add new assignments to tabu lists; this is only</span></div>
|
|
<div class="line"><a name="l03153"></a><span class="lineno"> 3153</span>  <span class="comment">// done after the first local optimum (stamp_ != 0)</span></div>
|
|
<div class="line"><a name="l03154"></a><span class="lineno"> 3154</span>  <span class="keywordflow">if</span> (0 != <a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>) {</div>
|
|
<div class="line"><a name="l03155"></a><span class="lineno"> 3155</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
|
|
<div class="line"><a name="l03156"></a><span class="lineno"> 3156</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i];</div>
|
|
<div class="line"><a name="l03157"></a><span class="lineno"> 3157</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> old_value = assignment_.Value(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>);</div>
|
|
<div class="line"><a name="l03158"></a><span class="lineno"> 3158</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> new_value = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->Value();</div>
|
|
<div class="line"><a name="l03159"></a><span class="lineno"> 3159</span>  <span class="keywordflow">if</span> (old_value != new_value) {</div>
|
|
<div class="line"><a name="l03160"></a><span class="lineno"> 3160</span>  <span class="keywordflow">if</span> (keep_tenure_ > 0) {</div>
|
|
<div class="line"><a name="l03161"></a><span class="lineno"> 3161</span>  VarValue keep_value(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, new_value, <a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>);</div>
|
|
<div class="line"><a name="l03162"></a><span class="lineno"> 3162</span>  keep_tabu_list_.push_front(keep_value);</div>
|
|
<div class="line"><a name="l03163"></a><span class="lineno"> 3163</span>  }</div>
|
|
<div class="line"><a name="l03164"></a><span class="lineno"> 3164</span>  <span class="keywordflow">if</span> (forbid_tenure_ > 0) {</div>
|
|
<div class="line"><a name="l03165"></a><span class="lineno"> 3165</span>  VarValue forbid_value(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, old_value, <a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>);</div>
|
|
<div class="line"><a name="l03166"></a><span class="lineno"> 3166</span>  forbid_tabu_list_.push_front(forbid_value);</div>
|
|
<div class="line"><a name="l03167"></a><span class="lineno"> 3167</span>  }</div>
|
|
<div class="line"><a name="l03168"></a><span class="lineno"> 3168</span>  }</div>
|
|
<div class="line"><a name="l03169"></a><span class="lineno"> 3169</span>  }</div>
|
|
<div class="line"><a name="l03170"></a><span class="lineno"> 3170</span>  }</div>
|
|
<div class="line"><a name="l03171"></a><span class="lineno"> 3171</span>  assignment_.Store();</div>
|
|
<div class="line"><a name="l03172"></a><span class="lineno"> 3172</span>  </div>
|
|
<div class="line"><a name="l03173"></a><span class="lineno"> 3173</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03174"></a><span class="lineno"> 3174</span> }</div>
|
|
<div class="line"><a name="l03175"></a><span class="lineno"> 3175</span>  </div>
|
|
<div class="line"><a name="l03176"></a><span class="lineno"> 3176</span> <span class="keywordtype">bool</span> TabuSearch::LocalOptimum() {</div>
|
|
<div class="line"><a name="l03177"></a><span class="lineno"> 3177</span>  AgeLists();</div>
|
|
<div class="line"><a name="l03178"></a><span class="lineno"> 3178</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03179"></a><span class="lineno"> 3179</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
|
|
<div class="line"><a name="l03180"></a><span class="lineno"> 3180</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03181"></a><span class="lineno"> 3181</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l03182"></a><span class="lineno"> 3182</span>  }</div>
|
|
<div class="line"><a name="l03183"></a><span class="lineno"> 3183</span>  <span class="keywordflow">return</span> found_initial_solution_;</div>
|
|
<div class="line"><a name="l03184"></a><span class="lineno"> 3184</span> }</div>
|
|
<div class="line"><a name="l03185"></a><span class="lineno"> 3185</span>  </div>
|
|
<div class="line"><a name="l03186"></a><span class="lineno"> 3186</span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#ac076f97ddc2c6a302b01ca2bb528e1f4">TabuSearch::AcceptNeighbor</a>() {</div>
|
|
<div class="line"><a name="l03187"></a><span class="lineno"> 3187</span>  <span class="keywordflow">if</span> (0 != <a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>) {</div>
|
|
<div class="line"><a name="l03188"></a><span class="lineno"> 3188</span>  AgeLists();</div>
|
|
<div class="line"><a name="l03189"></a><span class="lineno"> 3189</span>  }</div>
|
|
<div class="line"><a name="l03190"></a><span class="lineno"> 3190</span> }</div>
|
|
<div class="line"><a name="l03191"></a><span class="lineno"> 3191</span>  </div>
|
|
<div class="line"><a name="l03192"></a><span class="lineno"> 3192</span> <span class="keywordtype">void</span> TabuSearch::AgeList(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> tenure, TabuList* list) {</div>
|
|
<div class="line"><a name="l03193"></a><span class="lineno"> 3193</span>  <span class="keywordflow">while</span> (!list->empty() && list->back().stamp_ < <a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a> - tenure) {</div>
|
|
<div class="line"><a name="l03194"></a><span class="lineno"> 3194</span>  list->pop_back();</div>
|
|
<div class="line"><a name="l03195"></a><span class="lineno"> 3195</span>  }</div>
|
|
<div class="line"><a name="l03196"></a><span class="lineno"> 3196</span> }</div>
|
|
<div class="line"><a name="l03197"></a><span class="lineno"> 3197</span>  </div>
|
|
<div class="line"><a name="l03198"></a><span class="lineno"> 3198</span> <span class="keywordtype">void</span> TabuSearch::AgeLists() {</div>
|
|
<div class="line"><a name="l03199"></a><span class="lineno"> 3199</span>  AgeList(keep_tenure_, &keep_tabu_list_);</div>
|
|
<div class="line"><a name="l03200"></a><span class="lineno"> 3200</span>  AgeList(forbid_tenure_, &forbid_tabu_list_);</div>
|
|
<div class="line"><a name="l03201"></a><span class="lineno"> 3201</span>  ++<a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>;</div>
|
|
<div class="line"><a name="l03202"></a><span class="lineno"> 3202</span> }</div>
|
|
<div class="line"><a name="l03203"></a><span class="lineno"> 3203</span>  </div>
|
|
<div class="line"><a name="l03204"></a><span class="lineno"> 3204</span> <span class="keyword">class </span>GenericTabuSearch : <span class="keyword">public</span> TabuSearch {</div>
|
|
<div class="line"><a name="l03205"></a><span class="lineno"> 3205</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l03206"></a><span class="lineno"> 3206</span>  GenericTabuSearch(Solver* <span class="keyword">const</span> s, <span class="keywordtype">bool</span> maximize, IntVar* objective,</div>
|
|
<div class="line"><a name="l03207"></a><span class="lineno"> 3207</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l03208"></a><span class="lineno"> 3208</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> forbid_tenure)</div>
|
|
<div class="line"><a name="l03209"></a><span class="lineno"> 3209</span>  : TabuSearch(s, maximize, objective, step, vars, 0, forbid_tenure, 1) {}</div>
|
|
<div class="line"><a name="l03210"></a><span class="lineno"> 3210</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"Generic Tabu Search"</span>; }</div>
|
|
<div class="line"><a name="l03211"></a><span class="lineno"> 3211</span>  </div>
|
|
<div class="line"><a name="l03212"></a><span class="lineno"> 3212</span>  <span class="keyword">protected</span>:</div>
|
|
<div class="line"><a name="l03213"></a><span class="lineno"> 3213</span>  std::vector<IntVar*> CreateTabuVars() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03214"></a><span class="lineno"> 3214</span> };</div>
|
|
<div class="line"><a name="l03215"></a><span class="lineno"> 3215</span>  </div>
|
|
<div class="line"><a name="l03216"></a><span class="lineno"> 3216</span> std::vector<IntVar*> GenericTabuSearch::CreateTabuVars() {</div>
|
|
<div class="line"><a name="l03217"></a><span class="lineno"> 3217</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l03218"></a><span class="lineno"> 3218</span>  </div>
|
|
<div class="line"><a name="l03219"></a><span class="lineno"> 3219</span>  <span class="comment">// Tabu criterion</span></div>
|
|
<div class="line"><a name="l03220"></a><span class="lineno"> 3220</span>  <span class="comment">// At least one element of the forbid_tabu_list must change value.</span></div>
|
|
<div class="line"><a name="l03221"></a><span class="lineno"> 3221</span>  std::vector<IntVar*> forbid_values;</div>
|
|
<div class="line"><a name="l03222"></a><span class="lineno"> 3222</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> VarValue& vv : forbid_tabu_list()) {</div>
|
|
<div class="line"><a name="l03223"></a><span class="lineno"> 3223</span>  forbid_values.push_back(s->MakeIsDifferentCstVar(vv.var_, vv.value_));</div>
|
|
<div class="line"><a name="l03224"></a><span class="lineno"> 3224</span>  }</div>
|
|
<div class="line"><a name="l03225"></a><span class="lineno"> 3225</span>  std::vector<IntVar*> tabu_vars;</div>
|
|
<div class="line"><a name="l03226"></a><span class="lineno"> 3226</span>  <span class="keywordflow">if</span> (!forbid_values.empty()) {</div>
|
|
<div class="line"><a name="l03227"></a><span class="lineno"> 3227</span>  tabu_vars.push_back(s->MakeIsGreaterCstVar(s->MakeSum(forbid_values), 0));</div>
|
|
<div class="line"><a name="l03228"></a><span class="lineno"> 3228</span>  }</div>
|
|
<div class="line"><a name="l03229"></a><span class="lineno"> 3229</span>  <span class="keywordflow">return</span> tabu_vars;</div>
|
|
<div class="line"><a name="l03230"></a><span class="lineno"> 3230</span> }</div>
|
|
<div class="line"><a name="l03231"></a><span class="lineno"> 3231</span>  </div>
|
|
<div class="line"><a name="l03232"></a><span class="lineno"> 3232</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l03233"></a><span class="lineno"> 3233</span>  </div>
|
|
<div class="line"><a name="l03234"></a><span class="lineno"> 3234</span> SearchMonitor* Solver::MakeTabuSearch(<span class="keywordtype">bool</span> maximize, IntVar* <span class="keyword">const</span> v,</div>
|
|
<div class="line"><a name="l03235"></a><span class="lineno"> 3235</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l03236"></a><span class="lineno"> 3236</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l03237"></a><span class="lineno"> 3237</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> keep_tenure, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> forbid_tenure,</div>
|
|
<div class="line"><a name="l03238"></a><span class="lineno"> 3238</span>  <span class="keywordtype">double</span> tabu_factor) {</div>
|
|
<div class="line"><a name="l03239"></a><span class="lineno"> 3239</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> TabuSearch(<span class="keyword">this</span>, maximize, v, step, vars, keep_tenure,</div>
|
|
<div class="line"><a name="l03240"></a><span class="lineno"> 3240</span>  forbid_tenure, tabu_factor));</div>
|
|
<div class="line"><a name="l03241"></a><span class="lineno"> 3241</span> }</div>
|
|
<div class="line"><a name="l03242"></a><span class="lineno"> 3242</span>  </div>
|
|
<div class="line"><a name="l03243"></a><span class="lineno"> 3243</span> SearchMonitor* Solver::MakeGenericTabuSearch(</div>
|
|
<div class="line"><a name="l03244"></a><span class="lineno"> 3244</span>  <span class="keywordtype">bool</span> maximize, IntVar* <span class="keyword">const</span> v, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l03245"></a><span class="lineno"> 3245</span>  <span class="keyword">const</span> std::vector<IntVar*>& tabu_vars, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> forbid_tenure) {</div>
|
|
<div class="line"><a name="l03246"></a><span class="lineno"> 3246</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
|
<div class="line"><a name="l03247"></a><span class="lineno"> 3247</span>  <span class="keyword">new</span> GenericTabuSearch(<span class="keyword">this</span>, maximize, v, step, tabu_vars, forbid_tenure));</div>
|
|
<div class="line"><a name="l03248"></a><span class="lineno"> 3248</span> }</div>
|
|
<div class="line"><a name="l03249"></a><span class="lineno"> 3249</span>  </div>
|
|
<div class="line"><a name="l03250"></a><span class="lineno"> 3250</span> <span class="comment">// ---------- Simulated Annealing ----------</span></div>
|
|
<div class="line"><a name="l03251"></a><span class="lineno"> 3251</span>  </div>
|
|
<div class="line"><a name="l03252"></a><span class="lineno"> 3252</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l03253"></a><span class="lineno"> 3253</span> <span class="keyword">class </span>SimulatedAnnealing : <span class="keyword">public</span> Metaheuristic {</div>
|
|
<div class="line"><a name="l03254"></a><span class="lineno"> 3254</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l03255"></a><span class="lineno"> 3255</span>  SimulatedAnnealing(Solver* <span class="keyword">const</span> s, <span class="keywordtype">bool</span> maximize, IntVar* objective,</div>
|
|
<div class="line"><a name="l03256"></a><span class="lineno"> 3256</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> initial_temperature);</div>
|
|
<div class="line"><a name="l03257"></a><span class="lineno"> 3257</span>  ~SimulatedAnnealing()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l03258"></a><span class="lineno"> 3258</span>  <span class="keywordtype">void</span> EnterSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03259"></a><span class="lineno"> 3259</span>  <span class="keywordtype">void</span> ApplyDecision(Decision* d) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03260"></a><span class="lineno"> 3260</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03261"></a><span class="lineno"> 3261</span>  <span class="keywordtype">bool</span> LocalOptimum() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03262"></a><span class="lineno"> 3262</span>  <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#ac076f97ddc2c6a302b01ca2bb528e1f4">AcceptNeighbor</a>() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03263"></a><span class="lineno"> 3263</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"Simulated Annealing"</span>; }</div>
|
|
<div class="line"><a name="l03264"></a><span class="lineno"> 3264</span>  </div>
|
|
<div class="line"><a name="l03265"></a><span class="lineno"> 3265</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l03266"></a><span class="lineno"> 3266</span>  <span class="keywordtype">double</span> Temperature() <span class="keyword">const</span>;</div>
|
|
<div class="line"><a name="l03267"></a><span class="lineno"> 3267</span>  </div>
|
|
<div class="line"><a name="l03268"></a><span class="lineno"> 3268</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> temperature0_;</div>
|
|
<div class="line"><a name="l03269"></a><span class="lineno"> 3269</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> iteration_;</div>
|
|
<div class="line"><a name="l03270"></a><span class="lineno"> 3270</span>  std::mt19937 rand_;</div>
|
|
<div class="line"><a name="l03271"></a><span class="lineno"> 3271</span>  <span class="keywordtype">bool</span> found_initial_solution_;</div>
|
|
<div class="line"><a name="l03272"></a><span class="lineno"> 3272</span>  </div>
|
|
<div class="line"><a name="l03273"></a><span class="lineno"> 3273</span>  <a class="code" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(SimulatedAnnealing);</div>
|
|
<div class="line"><a name="l03274"></a><span class="lineno"> 3274</span> };</div>
|
|
<div class="line"><a name="l03275"></a><span class="lineno"> 3275</span>  </div>
|
|
<div class="line"><a name="l03276"></a><span class="lineno"> 3276</span> SimulatedAnnealing::SimulatedAnnealing(Solver* <span class="keyword">const</span> s, <span class="keywordtype">bool</span> maximize,</div>
|
|
<div class="line"><a name="l03277"></a><span class="lineno"> 3277</span>  IntVar* objective, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l03278"></a><span class="lineno"> 3278</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> initial_temperature)</div>
|
|
<div class="line"><a name="l03279"></a><span class="lineno"> 3279</span>  : Metaheuristic(s, maximize, objective, step),</div>
|
|
<div class="line"><a name="l03280"></a><span class="lineno"> 3280</span>  temperature0_(initial_temperature),</div>
|
|
<div class="line"><a name="l03281"></a><span class="lineno"> 3281</span>  iteration_(0),</div>
|
|
<div class="line"><a name="l03282"></a><span class="lineno"> 3282</span>  rand_(CpRandomSeed()),</div>
|
|
<div class="line"><a name="l03283"></a><span class="lineno"> 3283</span>  found_initial_solution_(false) {}</div>
|
|
<div class="line"><a name="l03284"></a><span class="lineno"> 3284</span>  </div>
|
|
<div class="line"><a name="l03285"></a><span class="lineno"> 3285</span> <span class="keywordtype">void</span> SimulatedAnnealing::EnterSearch() {</div>
|
|
<div class="line"><a name="l03286"></a><span class="lineno"> 3286</span>  Metaheuristic::EnterSearch();</div>
|
|
<div class="line"><a name="l03287"></a><span class="lineno"> 3287</span>  found_initial_solution_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03288"></a><span class="lineno"> 3288</span> }</div>
|
|
<div class="line"><a name="l03289"></a><span class="lineno"> 3289</span>  </div>
|
|
<div class="line"><a name="l03290"></a><span class="lineno"> 3290</span> <span class="keywordtype">void</span> SimulatedAnnealing::ApplyDecision(Decision* <span class="keyword">const</span> d) {</div>
|
|
<div class="line"><a name="l03291"></a><span class="lineno"> 3291</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l03292"></a><span class="lineno"> 3292</span>  <span class="keywordflow">if</span> (d == s->balancing_decision()) {</div>
|
|
<div class="line"><a name="l03293"></a><span class="lineno"> 3293</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l03294"></a><span class="lineno"> 3294</span>  }</div>
|
|
<div class="line"><a name="l03295"></a><span class="lineno"> 3295</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> rand_double = absl::Uniform<double>(rand_, 0.0, 1.0);</div>
|
|
<div class="line"><a name="l03296"></a><span class="lineno"> 3296</span> <span class="preprocessor">#if defined(_MSC_VER) || defined(__ANDROID__)</span></div>
|
|
<div class="line"><a name="l03297"></a><span class="lineno"> 3297</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> rand_log2_double = log(rand_double) / log(2.0L);</div>
|
|
<div class="line"><a name="l03298"></a><span class="lineno"> 3298</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l03299"></a><span class="lineno"> 3299</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> rand_log2_double = log2(rand_double);</div>
|
|
<div class="line"><a name="l03300"></a><span class="lineno"> 3300</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l03301"></a><span class="lineno"> 3301</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> energy_bound = Temperature() * rand_log2_double;</div>
|
|
<div class="line"><a name="l03302"></a><span class="lineno"> 3302</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03303"></a><span class="lineno"> 3303</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a> =</div>
|
|
<div class="line"><a name="l03304"></a><span class="lineno"> 3304</span>  (<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> > <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>) ? <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> + <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a> + energy_bound : <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>;</div>
|
|
<div class="line"><a name="l03305"></a><span class="lineno"> 3305</span>  s->AddConstraint(s->MakeGreaterOrEqual(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>, <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>));</div>
|
|
<div class="line"><a name="l03306"></a><span class="lineno"> 3306</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03307"></a><span class="lineno"> 3307</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a> =</div>
|
|
<div class="line"><a name="l03308"></a><span class="lineno"> 3308</span>  (<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> < <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) ? <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> - <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a> - energy_bound : <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>;</div>
|
|
<div class="line"><a name="l03309"></a><span class="lineno"> 3309</span>  s->AddConstraint(s->MakeLessOrEqual(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>, <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>));</div>
|
|
<div class="line"><a name="l03310"></a><span class="lineno"> 3310</span>  }</div>
|
|
<div class="line"><a name="l03311"></a><span class="lineno"> 3311</span> }</div>
|
|
<div class="line"><a name="l03312"></a><span class="lineno"> 3312</span>  </div>
|
|
<div class="line"><a name="l03313"></a><span class="lineno"> 3313</span> <span class="keywordtype">bool</span> SimulatedAnnealing::AtSolution() {</div>
|
|
<div class="line"><a name="l03314"></a><span class="lineno"> 3314</span>  <span class="keywordflow">if</span> (!Metaheuristic::AtSolution()) {</div>
|
|
<div class="line"><a name="l03315"></a><span class="lineno"> 3315</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03316"></a><span class="lineno"> 3316</span>  }</div>
|
|
<div class="line"><a name="l03317"></a><span class="lineno"> 3317</span>  found_initial_solution_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03318"></a><span class="lineno"> 3318</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03319"></a><span class="lineno"> 3319</span> }</div>
|
|
<div class="line"><a name="l03320"></a><span class="lineno"> 3320</span>  </div>
|
|
<div class="line"><a name="l03321"></a><span class="lineno"> 3321</span> <span class="keywordtype">bool</span> SimulatedAnnealing::LocalOptimum() {</div>
|
|
<div class="line"><a name="l03322"></a><span class="lineno"> 3322</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03323"></a><span class="lineno"> 3323</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
|
|
<div class="line"><a name="l03324"></a><span class="lineno"> 3324</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03325"></a><span class="lineno"> 3325</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l03326"></a><span class="lineno"> 3326</span>  }</div>
|
|
<div class="line"><a name="l03327"></a><span class="lineno"> 3327</span>  ++iteration_;</div>
|
|
<div class="line"><a name="l03328"></a><span class="lineno"> 3328</span>  <span class="keywordflow">return</span> found_initial_solution_ && Temperature() > 0;</div>
|
|
<div class="line"><a name="l03329"></a><span class="lineno"> 3329</span> }</div>
|
|
<div class="line"><a name="l03330"></a><span class="lineno"> 3330</span>  </div>
|
|
<div class="line"><a name="l03331"></a><span class="lineno"> 3331</span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#ac076f97ddc2c6a302b01ca2bb528e1f4">SimulatedAnnealing::AcceptNeighbor</a>() {</div>
|
|
<div class="line"><a name="l03332"></a><span class="lineno"> 3332</span>  <span class="keywordflow">if</span> (iteration_ > 0) {</div>
|
|
<div class="line"><a name="l03333"></a><span class="lineno"> 3333</span>  ++iteration_;</div>
|
|
<div class="line"><a name="l03334"></a><span class="lineno"> 3334</span>  }</div>
|
|
<div class="line"><a name="l03335"></a><span class="lineno"> 3335</span> }</div>
|
|
<div class="line"><a name="l03336"></a><span class="lineno"> 3336</span>  </div>
|
|
<div class="line"><a name="l03337"></a><span class="lineno"> 3337</span> <span class="keywordtype">double</span> SimulatedAnnealing::Temperature()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l03338"></a><span class="lineno"> 3338</span>  <span class="keywordflow">if</span> (iteration_ > 0) {</div>
|
|
<div class="line"><a name="l03339"></a><span class="lineno"> 3339</span>  <span class="keywordflow">return</span> (1.0 * temperature0_) / iteration_; <span class="comment">// Cauchy annealing</span></div>
|
|
<div class="line"><a name="l03340"></a><span class="lineno"> 3340</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03341"></a><span class="lineno"> 3341</span>  <span class="keywordflow">return</span> 0.;</div>
|
|
<div class="line"><a name="l03342"></a><span class="lineno"> 3342</span>  }</div>
|
|
<div class="line"><a name="l03343"></a><span class="lineno"> 3343</span> }</div>
|
|
<div class="line"><a name="l03344"></a><span class="lineno"> 3344</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l03345"></a><span class="lineno"> 3345</span>  </div>
|
|
<div class="line"><a name="l03346"></a><span class="lineno"> 3346</span> SearchMonitor* Solver::MakeSimulatedAnnealing(<span class="keywordtype">bool</span> maximize, IntVar* <span class="keyword">const</span> v,</div>
|
|
<div class="line"><a name="l03347"></a><span class="lineno"> 3347</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l03348"></a><span class="lineno"> 3348</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> initial_temperature) {</div>
|
|
<div class="line"><a name="l03349"></a><span class="lineno"> 3349</span>  <span class="keywordflow">return</span> RevAlloc(</div>
|
|
<div class="line"><a name="l03350"></a><span class="lineno"> 3350</span>  <span class="keyword">new</span> SimulatedAnnealing(<span class="keyword">this</span>, maximize, v, step, initial_temperature));</div>
|
|
<div class="line"><a name="l03351"></a><span class="lineno"> 3351</span> }</div>
|
|
<div class="line"><a name="l03352"></a><span class="lineno"> 3352</span>  </div>
|
|
<div class="line"><a name="l03353"></a><span class="lineno"> 3353</span> <span class="comment">// ---------- Guided Local Search ----------</span></div>
|
|
<div class="line"><a name="l03354"></a><span class="lineno"> 3354</span>  </div>
|
|
<div class="line"><a name="l03355"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01"> 3355</a></span> <span class="keyword">typedef</span> std::pair<int64, int64> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>;</div>
|
|
<div class="line"><a name="l03356"></a><span class="lineno"> 3356</span>  </div>
|
|
<div class="line"><a name="l03357"></a><span class="lineno"> 3357</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l03358"></a><span class="lineno"> 3358</span> <span class="comment">// Base GLS penalties abstract class. Maintains the penalty frequency for each</span></div>
|
|
<div class="line"><a name="l03359"></a><span class="lineno"> 3359</span> <span class="comment">// (variable, value) arc.</span></div>
|
|
<div class="line"><a name="l03360"></a><span class="lineno"> 3360</span> <span class="keyword">class </span>GuidedLocalSearchPenalties {</div>
|
|
<div class="line"><a name="l03361"></a><span class="lineno"> 3361</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l03362"></a><span class="lineno"> 3362</span>  <span class="keyword">virtual</span> ~GuidedLocalSearchPenalties() {}</div>
|
|
<div class="line"><a name="l03363"></a><span class="lineno"> 3363</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> HasValues() <span class="keyword">const</span> = 0;</div>
|
|
<div class="line"><a name="l03364"></a><span class="lineno"> 3364</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Increment(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc) = 0;</div>
|
|
<div class="line"><a name="l03365"></a><span class="lineno"> 3365</span>  <span class="keyword">virtual</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc) <span class="keyword">const</span> = 0;</div>
|
|
<div class="line"><a name="l03366"></a><span class="lineno"> 3366</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Reset() = 0;</div>
|
|
<div class="line"><a name="l03367"></a><span class="lineno"> 3367</span> };</div>
|
|
<div class="line"><a name="l03368"></a><span class="lineno"> 3368</span>  </div>
|
|
<div class="line"><a name="l03369"></a><span class="lineno"> 3369</span> <span class="comment">// Dense GLS penalties implementation using a matrix to store penalties.</span></div>
|
|
<div class="line"><a name="l03370"></a><span class="lineno"> 3370</span> <span class="keyword">class </span>GuidedLocalSearchPenaltiesTable : <span class="keyword">public</span> GuidedLocalSearchPenalties {</div>
|
|
<div class="line"><a name="l03371"></a><span class="lineno"> 3371</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l03372"></a><span class="lineno"> 3372</span>  <span class="keyword">explicit</span> GuidedLocalSearchPenaltiesTable(<span class="keywordtype">int</span> size);</div>
|
|
<div class="line"><a name="l03373"></a><span class="lineno"> 3373</span>  ~GuidedLocalSearchPenaltiesTable()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l03374"></a><span class="lineno"> 3374</span>  <span class="keywordtype">bool</span> HasValues()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> has_values_; }</div>
|
|
<div class="line"><a name="l03375"></a><span class="lineno"> 3375</span>  <span class="keywordtype">void</span> Increment(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03376"></a><span class="lineno"> 3376</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc) <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l03377"></a><span class="lineno"> 3377</span>  <span class="keywordtype">void</span> Reset() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03378"></a><span class="lineno"> 3378</span>  </div>
|
|
<div class="line"><a name="l03379"></a><span class="lineno"> 3379</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l03380"></a><span class="lineno"> 3380</span>  std::vector<std::vector<int64>> penalties_;</div>
|
|
<div class="line"><a name="l03381"></a><span class="lineno"> 3381</span>  <span class="keywordtype">bool</span> has_values_;</div>
|
|
<div class="line"><a name="l03382"></a><span class="lineno"> 3382</span> };</div>
|
|
<div class="line"><a name="l03383"></a><span class="lineno"> 3383</span>  </div>
|
|
<div class="line"><a name="l03384"></a><span class="lineno"> 3384</span> GuidedLocalSearchPenaltiesTable::GuidedLocalSearchPenaltiesTable(<span class="keywordtype">int</span> size)</div>
|
|
<div class="line"><a name="l03385"></a><span class="lineno"> 3385</span>  : penalties_(size), has_values_(<span class="keyword">false</span>) {}</div>
|
|
<div class="line"><a name="l03386"></a><span class="lineno"> 3386</span>  </div>
|
|
<div class="line"><a name="l03387"></a><span class="lineno"> 3387</span> <span class="keywordtype">void</span> GuidedLocalSearchPenaltiesTable::Increment(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc) {</div>
|
|
<div class="line"><a name="l03388"></a><span class="lineno"> 3388</span>  std::vector<int64>& first_penalties = penalties_[arc.first];</div>
|
|
<div class="line"><a name="l03389"></a><span class="lineno"> 3389</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> second = arc.second;</div>
|
|
<div class="line"><a name="l03390"></a><span class="lineno"> 3390</span>  <span class="keywordflow">if</span> (second >= first_penalties.size()) {</div>
|
|
<div class="line"><a name="l03391"></a><span class="lineno"> 3391</span>  first_penalties.resize(second + 1, 0);</div>
|
|
<div class="line"><a name="l03392"></a><span class="lineno"> 3392</span>  }</div>
|
|
<div class="line"><a name="l03393"></a><span class="lineno"> 3393</span>  ++first_penalties[second];</div>
|
|
<div class="line"><a name="l03394"></a><span class="lineno"> 3394</span>  has_values_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03395"></a><span class="lineno"> 3395</span> }</div>
|
|
<div class="line"><a name="l03396"></a><span class="lineno"> 3396</span>  </div>
|
|
<div class="line"><a name="l03397"></a><span class="lineno"> 3397</span> <span class="keywordtype">void</span> GuidedLocalSearchPenaltiesTable::Reset() {</div>
|
|
<div class="line"><a name="l03398"></a><span class="lineno"> 3398</span>  has_values_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03399"></a><span class="lineno"> 3399</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < penalties_.size(); ++i) {</div>
|
|
<div class="line"><a name="l03400"></a><span class="lineno"> 3400</span>  penalties_[i].clear();</div>
|
|
<div class="line"><a name="l03401"></a><span class="lineno"> 3401</span>  }</div>
|
|
<div class="line"><a name="l03402"></a><span class="lineno"> 3402</span> }</div>
|
|
<div class="line"><a name="l03403"></a><span class="lineno"> 3403</span>  </div>
|
|
<div class="line"><a name="l03404"></a><span class="lineno"> 3404</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">GuidedLocalSearchPenaltiesTable::Value</a>(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l03405"></a><span class="lineno"> 3405</span>  <span class="keyword">const</span> std::vector<int64>& first_penalties = penalties_[arc.first];</div>
|
|
<div class="line"><a name="l03406"></a><span class="lineno"> 3406</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> second = arc.second;</div>
|
|
<div class="line"><a name="l03407"></a><span class="lineno"> 3407</span>  <span class="keywordflow">if</span> (second >= first_penalties.size()) {</div>
|
|
<div class="line"><a name="l03408"></a><span class="lineno"> 3408</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l03409"></a><span class="lineno"> 3409</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03410"></a><span class="lineno"> 3410</span>  <span class="keywordflow">return</span> first_penalties[second];</div>
|
|
<div class="line"><a name="l03411"></a><span class="lineno"> 3411</span>  }</div>
|
|
<div class="line"><a name="l03412"></a><span class="lineno"> 3412</span> }</div>
|
|
<div class="line"><a name="l03413"></a><span class="lineno"> 3413</span>  </div>
|
|
<div class="line"><a name="l03414"></a><span class="lineno"> 3414</span> <span class="comment">// Sparse GLS penalties implementation using hash_map to store penalties.</span></div>
|
|
<div class="line"><a name="l03415"></a><span class="lineno"> 3415</span> <span class="keyword">class </span>GuidedLocalSearchPenaltiesMap : <span class="keyword">public</span> GuidedLocalSearchPenalties {</div>
|
|
<div class="line"><a name="l03416"></a><span class="lineno"> 3416</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l03417"></a><span class="lineno"> 3417</span>  <span class="keyword">explicit</span> GuidedLocalSearchPenaltiesMap(<span class="keywordtype">int</span> size);</div>
|
|
<div class="line"><a name="l03418"></a><span class="lineno"> 3418</span>  ~GuidedLocalSearchPenaltiesMap()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l03419"></a><span class="lineno"> 3419</span>  <span class="keywordtype">bool</span> HasValues()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> (!penalties_.empty()); }</div>
|
|
<div class="line"><a name="l03420"></a><span class="lineno"> 3420</span>  <span class="keywordtype">void</span> Increment(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03421"></a><span class="lineno"> 3421</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc) <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l03422"></a><span class="lineno"> 3422</span>  <span class="keywordtype">void</span> Reset() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03423"></a><span class="lineno"> 3423</span>  </div>
|
|
<div class="line"><a name="l03424"></a><span class="lineno"> 3424</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l03425"></a><span class="lineno"> 3425</span>  <a class="code" href="classoperations__research_1_1_bitmap.html">Bitmap</a> penalized_;</div>
|
|
<div class="line"><a name="l03426"></a><span class="lineno"> 3426</span>  absl::flat_hash_map<Arc, int64> penalties_;</div>
|
|
<div class="line"><a name="l03427"></a><span class="lineno"> 3427</span> };</div>
|
|
<div class="line"><a name="l03428"></a><span class="lineno"> 3428</span>  </div>
|
|
<div class="line"><a name="l03429"></a><span class="lineno"> 3429</span> GuidedLocalSearchPenaltiesMap::GuidedLocalSearchPenaltiesMap(<span class="keywordtype">int</span> size)</div>
|
|
<div class="line"><a name="l03430"></a><span class="lineno"> 3430</span>  : penalized_(size, <span class="keyword">false</span>) {}</div>
|
|
<div class="line"><a name="l03431"></a><span class="lineno"> 3431</span>  </div>
|
|
<div class="line"><a name="l03432"></a><span class="lineno"> 3432</span> <span class="keywordtype">void</span> GuidedLocalSearchPenaltiesMap::Increment(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc) {</div>
|
|
<div class="line"><a name="l03433"></a><span class="lineno"> 3433</span>  ++penalties_[arc];</div>
|
|
<div class="line"><a name="l03434"></a><span class="lineno"> 3434</span>  penalized_.Set(arc.first, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l03435"></a><span class="lineno"> 3435</span> }</div>
|
|
<div class="line"><a name="l03436"></a><span class="lineno"> 3436</span>  </div>
|
|
<div class="line"><a name="l03437"></a><span class="lineno"> 3437</span> <span class="keywordtype">void</span> GuidedLocalSearchPenaltiesMap::Reset() {</div>
|
|
<div class="line"><a name="l03438"></a><span class="lineno"> 3438</span>  penalties_.clear();</div>
|
|
<div class="line"><a name="l03439"></a><span class="lineno"> 3439</span>  penalized_.Clear();</div>
|
|
<div class="line"><a name="l03440"></a><span class="lineno"> 3440</span> }</div>
|
|
<div class="line"><a name="l03441"></a><span class="lineno"> 3441</span>  </div>
|
|
<div class="line"><a name="l03442"></a><span class="lineno"> 3442</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">GuidedLocalSearchPenaltiesMap::Value</a>(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l03443"></a><span class="lineno"> 3443</span>  <span class="keywordflow">if</span> (penalized_.Get(arc.first)) {</div>
|
|
<div class="line"><a name="l03444"></a><span class="lineno"> 3444</span>  <span class="keywordflow">return</span> <a class="code" href="namespacegtl.html#abc18f60961e36340e64e428827c0e38e">gtl::FindWithDefault</a>(penalties_, arc, 0);</div>
|
|
<div class="line"><a name="l03445"></a><span class="lineno"> 3445</span>  }</div>
|
|
<div class="line"><a name="l03446"></a><span class="lineno"> 3446</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l03447"></a><span class="lineno"> 3447</span> }</div>
|
|
<div class="line"><a name="l03448"></a><span class="lineno"> 3448</span>  </div>
|
|
<div class="line"><a name="l03449"></a><span class="lineno"> 3449</span> <span class="keyword">class </span>GuidedLocalSearch : <span class="keyword">public</span> Metaheuristic {</div>
|
|
<div class="line"><a name="l03450"></a><span class="lineno"> 3450</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l03451"></a><span class="lineno"> 3451</span>  GuidedLocalSearch(Solver* <span class="keyword">const</span> s, IntVar* objective, <span class="keywordtype">bool</span> maximize,</div>
|
|
<div class="line"><a name="l03452"></a><span class="lineno"> 3452</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l03453"></a><span class="lineno"> 3453</span>  <span class="keywordtype">double</span> penalty_factor);</div>
|
|
<div class="line"><a name="l03454"></a><span class="lineno"> 3454</span>  ~GuidedLocalSearch()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l03455"></a><span class="lineno"> 3455</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#aa84acd1f5e19a0fda99d68bfcce4fdcf">AcceptDelta</a>(Assignment* <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, Assignment* deltadelta) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03456"></a><span class="lineno"> 3456</span>  <span class="keywordtype">void</span> ApplyDecision(Decision* d) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03457"></a><span class="lineno"> 3457</span>  <span class="keywordtype">bool</span> AtSolution() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03458"></a><span class="lineno"> 3458</span>  <span class="keywordtype">void</span> EnterSearch() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03459"></a><span class="lineno"> 3459</span>  <span class="keywordtype">bool</span> LocalOptimum() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03460"></a><span class="lineno"> 3460</span>  <span class="keyword">virtual</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> AssignmentElementPenalty(<span class="keyword">const</span> Assignment& assignment,</div>
|
|
<div class="line"><a name="l03461"></a><span class="lineno"> 3461</span>  <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) = 0;</div>
|
|
<div class="line"><a name="l03462"></a><span class="lineno"> 3462</span>  <span class="keyword">virtual</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> AssignmentPenalty(<span class="keyword">const</span> Assignment& assignment, <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>,</div>
|
|
<div class="line"><a name="l03463"></a><span class="lineno"> 3463</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>) = 0;</div>
|
|
<div class="line"><a name="l03464"></a><span class="lineno"> 3464</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> EvaluateElementValue(<span class="keyword">const</span> Assignment::IntContainer& container,</div>
|
|
<div class="line"><a name="l03465"></a><span class="lineno"> 3465</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <span class="keywordtype">int</span>* container_index,</div>
|
|
<div class="line"><a name="l03466"></a><span class="lineno"> 3466</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* penalty) = 0;</div>
|
|
<div class="line"><a name="l03467"></a><span class="lineno"> 3467</span>  <span class="keyword">virtual</span> IntExpr* MakeElementPenalty(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) = 0;</div>
|
|
<div class="line"><a name="l03468"></a><span class="lineno"> 3468</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"Guided Local Search"</span>; }</div>
|
|
<div class="line"><a name="l03469"></a><span class="lineno"> 3469</span>  </div>
|
|
<div class="line"><a name="l03470"></a><span class="lineno"> 3470</span>  <span class="keyword">protected</span>:</div>
|
|
<div class="line"><a name="l03471"></a><span class="lineno"> 3471</span>  <span class="keyword">struct </span>Comparator {</div>
|
|
<div class="line"><a name="l03472"></a><span class="lineno"> 3472</span>  <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> std::pair<Arc, double>& i,</div>
|
|
<div class="line"><a name="l03473"></a><span class="lineno"> 3473</span>  <span class="keyword">const</span> std::pair<Arc, double>& j) {</div>
|
|
<div class="line"><a name="l03474"></a><span class="lineno"> 3474</span>  <span class="keywordflow">return</span> i.second > j.second;</div>
|
|
<div class="line"><a name="l03475"></a><span class="lineno"> 3475</span>  }</div>
|
|
<div class="line"><a name="l03476"></a><span class="lineno"> 3476</span>  };</div>
|
|
<div class="line"><a name="l03477"></a><span class="lineno"> 3477</span>  </div>
|
|
<div class="line"><a name="l03478"></a><span class="lineno"> 3478</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> Evaluate(<span class="keyword">const</span> Assignment* <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> current_penalty,</div>
|
|
<div class="line"><a name="l03479"></a><span class="lineno"> 3479</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> out_values, <span class="keywordtype">bool</span> cache_delta_values);</div>
|
|
<div class="line"><a name="l03480"></a><span class="lineno"> 3480</span>  </div>
|
|
<div class="line"><a name="l03481"></a><span class="lineno"><a class="line" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3"> 3481</a></span>  IntVar* <a class="code" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a>;</div>
|
|
<div class="line"><a name="l03482"></a><span class="lineno"> 3482</span>  Assignment assignment_;</div>
|
|
<div class="line"><a name="l03483"></a><span class="lineno"><a class="line" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00"> 3483</a></span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a>;</div>
|
|
<div class="line"><a name="l03484"></a><span class="lineno"><a class="line" href="search_8cc.html#a2759381111ac180c5cc11bb47a7d5779"> 3484</a></span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a2759381111ac180c5cc11bb47a7d5779">old_penalized_value_</a>;</div>
|
|
<div class="line"><a name="l03485"></a><span class="lineno"> 3485</span>  <span class="keyword">const</span> std::vector<IntVar*> <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>;</div>
|
|
<div class="line"><a name="l03486"></a><span class="lineno"><a class="line" href="search_8cc.html#ac22600081c7ea56ebafdfc86804cc3e7"> 3486</a></span>  absl::flat_hash_map<const IntVar*, int64> <a class="code" href="search_8cc.html#ac22600081c7ea56ebafdfc86804cc3e7">indices_</a>;</div>
|
|
<div class="line"><a name="l03487"></a><span class="lineno"><a class="line" href="search_8cc.html#a0b1795e10c65e7f1062da14c6e63e569"> 3487</a></span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="search_8cc.html#a0b1795e10c65e7f1062da14c6e63e569">penalty_factor_</a>;</div>
|
|
<div class="line"><a name="l03488"></a><span class="lineno"> 3488</span>  std::unique_ptr<GuidedLocalSearchPenalties> penalties_;</div>
|
|
<div class="line"><a name="l03489"></a><span class="lineno"><a class="line" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676"> 3489</a></span>  std::unique_ptr<int64[]> <a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a>;</div>
|
|
<div class="line"><a name="l03490"></a><span class="lineno"><a class="line" href="search_8cc.html#a084e30b0671c01c2069b33171f019231"> 3490</a></span>  std::unique_ptr<int64[]> <a class="code" href="search_8cc.html#a084e30b0671c01c2069b33171f019231">delta_cache_</a>;</div>
|
|
<div class="line"><a name="l03491"></a><span class="lineno"><a class="line" href="search_8cc.html#ac8f969ce45179d0fd0a42ccf7735bcd6"> 3491</a></span>  <span class="keywordtype">bool</span> <a class="code" href="search_8cc.html#ac8f969ce45179d0fd0a42ccf7735bcd6">incremental_</a>;</div>
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|
<div class="line"><a name="l03492"></a><span class="lineno"> 3492</span> };</div>
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|
<div class="line"><a name="l03493"></a><span class="lineno"> 3493</span>  </div>
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<div class="line"><a name="l03494"></a><span class="lineno"> 3494</span> GuidedLocalSearch::GuidedLocalSearch(Solver* <span class="keyword">const</span> s, IntVar* objective,</div>
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<div class="line"><a name="l03495"></a><span class="lineno"> 3495</span>  <span class="keywordtype">bool</span> maximize, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
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|
<div class="line"><a name="l03496"></a><span class="lineno"> 3496</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l03497"></a><span class="lineno"> 3497</span>  <span class="keywordtype">double</span> penalty_factor)</div>
|
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<div class="line"><a name="l03498"></a><span class="lineno"> 3498</span>  : Metaheuristic(s, maximize, objective, step),</div>
|
|
<div class="line"><a name="l03499"></a><span class="lineno"> 3499</span>  <a class="code" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a>(nullptr),</div>
|
|
<div class="line"><a name="l03500"></a><span class="lineno"> 3500</span>  assignment_(s),</div>
|
|
<div class="line"><a name="l03501"></a><span class="lineno"> 3501</span>  <a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a>(0),</div>
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<div class="line"><a name="l03502"></a><span class="lineno"> 3502</span>  <a class="code" href="search_8cc.html#a2759381111ac180c5cc11bb47a7d5779">old_penalized_value_</a>(0),</div>
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<div class="line"><a name="l03503"></a><span class="lineno"> 3503</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>(vars),</div>
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<div class="line"><a name="l03504"></a><span class="lineno"> 3504</span>  <a class="code" href="search_8cc.html#a0b1795e10c65e7f1062da14c6e63e569">penalty_factor_</a>(penalty_factor),</div>
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|
<div class="line"><a name="l03505"></a><span class="lineno"> 3505</span>  <a class="code" href="search_8cc.html#ac8f969ce45179d0fd0a42ccf7735bcd6">incremental_</a>(false) {</div>
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|
<div class="line"><a name="l03506"></a><span class="lineno"> 3506</span>  <span class="keywordflow">if</span> (!vars.empty()) {</div>
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|
<div class="line"><a name="l03507"></a><span class="lineno"> 3507</span>  <span class="comment">// TODO(user): Remove scoped_array.</span></div>
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<div class="line"><a name="l03508"></a><span class="lineno"> 3508</span>  assignment_.Add(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>);</div>
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|
<div class="line"><a name="l03509"></a><span class="lineno"> 3509</span>  <a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a> = absl::make_unique<int64[]>(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size());</div>
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|
<div class="line"><a name="l03510"></a><span class="lineno"> 3510</span>  <a class="code" href="search_8cc.html#a084e30b0671c01c2069b33171f019231">delta_cache_</a> = absl::make_unique<int64[]>(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size());</div>
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|
<div class="line"><a name="l03511"></a><span class="lineno"> 3511</span>  memset(<a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a>.get(), 0,</div>
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|
<div class="line"><a name="l03512"></a><span class="lineno"> 3512</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size() * <span class="keyword">sizeof</span>(*<a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a>.get()));</div>
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|
<div class="line"><a name="l03513"></a><span class="lineno"> 3513</span>  }</div>
|
|
<div class="line"><a name="l03514"></a><span class="lineno"> 3514</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
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|
<div class="line"><a name="l03515"></a><span class="lineno"> 3515</span>  <a class="code" href="search_8cc.html#ac22600081c7ea56ebafdfc86804cc3e7">indices_</a>[<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]] = i;</div>
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|
<div class="line"><a name="l03516"></a><span class="lineno"> 3516</span>  }</div>
|
|
<div class="line"><a name="l03517"></a><span class="lineno"> 3517</span>  <span class="keywordflow">if</span> (FLAGS_cp_use_sparse_gls_penalties) {</div>
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|
<div class="line"><a name="l03518"></a><span class="lineno"> 3518</span>  penalties_ = absl::make_unique<GuidedLocalSearchPenaltiesMap>(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size());</div>
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|
<div class="line"><a name="l03519"></a><span class="lineno"> 3519</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03520"></a><span class="lineno"> 3520</span>  penalties_ =</div>
|
|
<div class="line"><a name="l03521"></a><span class="lineno"> 3521</span>  absl::make_unique<GuidedLocalSearchPenaltiesTable>(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size());</div>
|
|
<div class="line"><a name="l03522"></a><span class="lineno"> 3522</span>  }</div>
|
|
<div class="line"><a name="l03523"></a><span class="lineno"> 3523</span> }</div>
|
|
<div class="line"><a name="l03524"></a><span class="lineno"> 3524</span>  </div>
|
|
<div class="line"><a name="l03525"></a><span class="lineno"> 3525</span> <span class="comment">// Add the following constraint (includes aspiration criterion):</span></div>
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|
<div class="line"><a name="l03526"></a><span class="lineno"> 3526</span> <span class="comment">// if minimizing,</span></div>
|
|
<div class="line"><a name="l03527"></a><span class="lineno"> 3527</span> <span class="comment">// objective =< Max(current penalized cost - penalized_objective - step,</span></div>
|
|
<div class="line"><a name="l03528"></a><span class="lineno"> 3528</span> <span class="comment">// best solution cost - step)</span></div>
|
|
<div class="line"><a name="l03529"></a><span class="lineno"> 3529</span> <span class="comment">// if maximizing,</span></div>
|
|
<div class="line"><a name="l03530"></a><span class="lineno"> 3530</span> <span class="comment">// objective >= Min(current penalized cost - penalized_objective + step,</span></div>
|
|
<div class="line"><a name="l03531"></a><span class="lineno"> 3531</span> <span class="comment">// best solution cost + step)</span></div>
|
|
<div class="line"><a name="l03532"></a><span class="lineno"> 3532</span> <span class="keywordtype">void</span> GuidedLocalSearch::ApplyDecision(Decision* <span class="keyword">const</span> d) {</div>
|
|
<div class="line"><a name="l03533"></a><span class="lineno"> 3533</span>  <span class="keywordflow">if</span> (d == solver()->balancing_decision()) {</div>
|
|
<div class="line"><a name="l03534"></a><span class="lineno"> 3534</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l03535"></a><span class="lineno"> 3535</span>  }</div>
|
|
<div class="line"><a name="l03536"></a><span class="lineno"> 3536</span>  <a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a> = 0;</div>
|
|
<div class="line"><a name="l03537"></a><span class="lineno"> 3537</span>  <span class="keywordflow">if</span> (penalties_->HasValues()) {</div>
|
|
<div class="line"><a name="l03538"></a><span class="lineno"> 3538</span>  <span class="comment">// Computing sum of penalties expression.</span></div>
|
|
<div class="line"><a name="l03539"></a><span class="lineno"> 3539</span>  <span class="comment">// Scope needed to avoid potential leak of elements.</span></div>
|
|
<div class="line"><a name="l03540"></a><span class="lineno"> 3540</span>  {</div>
|
|
<div class="line"><a name="l03541"></a><span class="lineno"> 3541</span>  std::vector<IntVar*> elements;</div>
|
|
<div class="line"><a name="l03542"></a><span class="lineno"> 3542</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
|
|
<div class="line"><a name="l03543"></a><span class="lineno"> 3543</span>  elements.push_back(MakeElementPenalty(i)->Var());</div>
|
|
<div class="line"><a name="l03544"></a><span class="lineno"> 3544</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> penalty = AssignmentElementPenalty(assignment_, i);</div>
|
|
<div class="line"><a name="l03545"></a><span class="lineno"> 3545</span>  <a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a>[i] = penalty;</div>
|
|
<div class="line"><a name="l03546"></a><span class="lineno"> 3546</span>  <a class="code" href="search_8cc.html#a084e30b0671c01c2069b33171f019231">delta_cache_</a>[i] = penalty;</div>
|
|
<div class="line"><a name="l03547"></a><span class="lineno"> 3547</span>  <a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a> =</div>
|
|
<div class="line"><a name="l03548"></a><span class="lineno"> 3548</span>  <a class="code" href="namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3">CapAdd</a>(<a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a>, penalty);</div>
|
|
<div class="line"><a name="l03549"></a><span class="lineno"> 3549</span>  }</div>
|
|
<div class="line"><a name="l03550"></a><span class="lineno"> 3550</span>  <a class="code" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a> = solver()->MakeSum(elements)->Var();</div>
|
|
<div class="line"><a name="l03551"></a><span class="lineno"> 3551</span>  }</div>
|
|
<div class="line"><a name="l03552"></a><span class="lineno"> 3552</span>  <a class="code" href="search_8cc.html#a2759381111ac180c5cc11bb47a7d5779">old_penalized_value_</a> = <a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a>;</div>
|
|
<div class="line"><a name="l03553"></a><span class="lineno"> 3553</span>  <a class="code" href="search_8cc.html#ac8f969ce45179d0fd0a42ccf7735bcd6">incremental_</a> = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03554"></a><span class="lineno"> 3554</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03555"></a><span class="lineno"> 3555</span>  IntExpr* min_pen_exp =</div>
|
|
<div class="line"><a name="l03556"></a><span class="lineno"> 3556</span>  solver()->MakeDifference(<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> + <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>, <a class="code" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a>);</div>
|
|
<div class="line"><a name="l03557"></a><span class="lineno"> 3557</span>  IntVar* min_exp = solver()->MakeMin(min_pen_exp, <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> + <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>)->Var();</div>
|
|
<div class="line"><a name="l03558"></a><span class="lineno"> 3558</span>  solver()->AddConstraint(</div>
|
|
<div class="line"><a name="l03559"></a><span class="lineno"> 3559</span>  solver()->MakeGreaterOrEqual(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>, min_exp));</div>
|
|
<div class="line"><a name="l03560"></a><span class="lineno"> 3560</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03561"></a><span class="lineno"> 3561</span>  IntExpr* max_pen_exp =</div>
|
|
<div class="line"><a name="l03562"></a><span class="lineno"> 3562</span>  solver()->MakeDifference(<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> - <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>, <a class="code" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a>);</div>
|
|
<div class="line"><a name="l03563"></a><span class="lineno"> 3563</span>  IntVar* max_exp = solver()->MakeMax(max_pen_exp, <a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a> - <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>)->Var();</div>
|
|
<div class="line"><a name="l03564"></a><span class="lineno"> 3564</span>  solver()->AddConstraint(solver()->MakeLessOrEqual(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>, max_exp));</div>
|
|
<div class="line"><a name="l03565"></a><span class="lineno"> 3565</span>  }</div>
|
|
<div class="line"><a name="l03566"></a><span class="lineno"> 3566</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03567"></a><span class="lineno"> 3567</span>  <a class="code" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a> = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l03568"></a><span class="lineno"> 3568</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03569"></a><span class="lineno"> 3569</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a> = (<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> > <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>) ? <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> + <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a> : <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>;</div>
|
|
<div class="line"><a name="l03570"></a><span class="lineno"> 3570</span>  <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>->SetMin(<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>);</div>
|
|
<div class="line"><a name="l03571"></a><span class="lineno"> 3571</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03572"></a><span class="lineno"> 3572</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a> = (<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> < <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) ? <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> - <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a> : <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>;</div>
|
|
<div class="line"><a name="l03573"></a><span class="lineno"> 3573</span>  <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>->SetMax(<a class="code" href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a>);</div>
|
|
<div class="line"><a name="l03574"></a><span class="lineno"> 3574</span>  }</div>
|
|
<div class="line"><a name="l03575"></a><span class="lineno"> 3575</span>  }</div>
|
|
<div class="line"><a name="l03576"></a><span class="lineno"> 3576</span> }</div>
|
|
<div class="line"><a name="l03577"></a><span class="lineno"> 3577</span>  </div>
|
|
<div class="line"><a name="l03578"></a><span class="lineno"> 3578</span> <span class="keywordtype">bool</span> GuidedLocalSearch::AtSolution() {</div>
|
|
<div class="line"><a name="l03579"></a><span class="lineno"> 3579</span>  <span class="keywordflow">if</span> (!Metaheuristic::AtSolution()) {</div>
|
|
<div class="line"><a name="l03580"></a><span class="lineno"> 3580</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03581"></a><span class="lineno"> 3581</span>  }</div>
|
|
<div class="line"><a name="l03582"></a><span class="lineno"> 3582</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a> != <span class="keyword">nullptr</span>) { <span class="comment">// In case no move has been found</span></div>
|
|
<div class="line"><a name="l03583"></a><span class="lineno"> 3583</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> += <a class="code" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a>->Value();</div>
|
|
<div class="line"><a name="l03584"></a><span class="lineno"> 3584</span>  }</div>
|
|
<div class="line"><a name="l03585"></a><span class="lineno"> 3585</span>  assignment_.Store();</div>
|
|
<div class="line"><a name="l03586"></a><span class="lineno"> 3586</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03587"></a><span class="lineno"> 3587</span> }</div>
|
|
<div class="line"><a name="l03588"></a><span class="lineno"> 3588</span>  </div>
|
|
<div class="line"><a name="l03589"></a><span class="lineno"> 3589</span> <span class="keywordtype">void</span> GuidedLocalSearch::EnterSearch() {</div>
|
|
<div class="line"><a name="l03590"></a><span class="lineno"> 3590</span>  Metaheuristic::EnterSearch();</div>
|
|
<div class="line"><a name="l03591"></a><span class="lineno"> 3591</span>  <a class="code" href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a> = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l03592"></a><span class="lineno"> 3592</span>  <a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a> = 0;</div>
|
|
<div class="line"><a name="l03593"></a><span class="lineno"> 3593</span>  <a class="code" href="search_8cc.html#a2759381111ac180c5cc11bb47a7d5779">old_penalized_value_</a> = 0;</div>
|
|
<div class="line"><a name="l03594"></a><span class="lineno"> 3594</span>  memset(<a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a>.get(), 0,</div>
|
|
<div class="line"><a name="l03595"></a><span class="lineno"> 3595</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size() * <span class="keyword">sizeof</span>(*<a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a>.get()));</div>
|
|
<div class="line"><a name="l03596"></a><span class="lineno"> 3596</span>  penalties_->Reset();</div>
|
|
<div class="line"><a name="l03597"></a><span class="lineno"> 3597</span> }</div>
|
|
<div class="line"><a name="l03598"></a><span class="lineno"> 3598</span>  </div>
|
|
<div class="line"><a name="l03599"></a><span class="lineno"> 3599</span> <span class="comment">// GLS filtering; compute the penalized value corresponding to the delta and</span></div>
|
|
<div class="line"><a name="l03600"></a><span class="lineno"> 3600</span> <span class="comment">// modify objective bound accordingly.</span></div>
|
|
<div class="line"><a name="l03601"></a><span class="lineno"> 3601</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#aa84acd1f5e19a0fda99d68bfcce4fdcf">GuidedLocalSearch::AcceptDelta</a>(Assignment* <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, Assignment* deltadelta) {</div>
|
|
<div class="line"><a name="l03602"></a><span class="lineno"> 3602</span>  <span class="keywordflow">if</span> (<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> != <span class="keyword">nullptr</span> || deltadelta != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l03603"></a><span class="lineno"> 3603</span>  <span class="keywordflow">if</span> (!penalties_->HasValues()) {</div>
|
|
<div class="line"><a name="l03604"></a><span class="lineno"> 3604</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research.html#aa84acd1f5e19a0fda99d68bfcce4fdcf">Metaheuristic::AcceptDelta</a>(<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, deltadelta);</div>
|
|
<div class="line"><a name="l03605"></a><span class="lineno"> 3605</span>  }</div>
|
|
<div class="line"><a name="l03606"></a><span class="lineno"> 3606</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> penalty = 0;</div>
|
|
<div class="line"><a name="l03607"></a><span class="lineno"> 3607</span>  <span class="keywordflow">if</span> (!deltadelta->Empty()) {</div>
|
|
<div class="line"><a name="l03608"></a><span class="lineno"> 3608</span>  <span class="keywordflow">if</span> (!<a class="code" href="search_8cc.html#ac8f969ce45179d0fd0a42ccf7735bcd6">incremental_</a>) {</div>
|
|
<div class="line"><a name="l03609"></a><span class="lineno"> 3609</span>  penalty = Evaluate(<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, <a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a>,</div>
|
|
<div class="line"><a name="l03610"></a><span class="lineno"> 3610</span>  <a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a>.get(), <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l03611"></a><span class="lineno"> 3611</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03612"></a><span class="lineno"> 3612</span>  penalty = Evaluate(deltadelta, <a class="code" href="search_8cc.html#a2759381111ac180c5cc11bb47a7d5779">old_penalized_value_</a>, <a class="code" href="search_8cc.html#a084e30b0671c01c2069b33171f019231">delta_cache_</a>.get(),</div>
|
|
<div class="line"><a name="l03613"></a><span class="lineno"> 3613</span>  <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l03614"></a><span class="lineno"> 3614</span>  }</div>
|
|
<div class="line"><a name="l03615"></a><span class="lineno"> 3615</span>  <a class="code" href="search_8cc.html#ac8f969ce45179d0fd0a42ccf7735bcd6">incremental_</a> = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03616"></a><span class="lineno"> 3616</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03617"></a><span class="lineno"> 3617</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#ac8f969ce45179d0fd0a42ccf7735bcd6">incremental_</a>) {</div>
|
|
<div class="line"><a name="l03618"></a><span class="lineno"> 3618</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
|
|
<div class="line"><a name="l03619"></a><span class="lineno"> 3619</span>  <a class="code" href="search_8cc.html#a084e30b0671c01c2069b33171f019231">delta_cache_</a>[i] = <a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a>[i];</div>
|
|
<div class="line"><a name="l03620"></a><span class="lineno"> 3620</span>  }</div>
|
|
<div class="line"><a name="l03621"></a><span class="lineno"> 3621</span>  <a class="code" href="search_8cc.html#a2759381111ac180c5cc11bb47a7d5779">old_penalized_value_</a> = <a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a>;</div>
|
|
<div class="line"><a name="l03622"></a><span class="lineno"> 3622</span>  }</div>
|
|
<div class="line"><a name="l03623"></a><span class="lineno"> 3623</span>  <a class="code" href="search_8cc.html#ac8f969ce45179d0fd0a42ccf7735bcd6">incremental_</a> = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03624"></a><span class="lineno"> 3624</span>  penalty = Evaluate(<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, <a class="code" href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a>,</div>
|
|
<div class="line"><a name="l03625"></a><span class="lineno"> 3625</span>  <a class="code" href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a>.get(), <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l03626"></a><span class="lineno"> 3626</span>  }</div>
|
|
<div class="line"><a name="l03627"></a><span class="lineno"> 3627</span>  <a class="code" href="search_8cc.html#a2759381111ac180c5cc11bb47a7d5779">old_penalized_value_</a> = penalty;</div>
|
|
<div class="line"><a name="l03628"></a><span class="lineno"> 3628</span>  <span class="keywordflow">if</span> (!<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->HasObjective()) {</div>
|
|
<div class="line"><a name="l03629"></a><span class="lineno"> 3629</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->AddObjective(<a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>);</div>
|
|
<div class="line"><a name="l03630"></a><span class="lineno"> 3630</span>  }</div>
|
|
<div class="line"><a name="l03631"></a><span class="lineno"> 3631</span>  <span class="keywordflow">if</span> (<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->Objective() == <a class="code" href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a>) {</div>
|
|
<div class="line"><a name="l03632"></a><span class="lineno"> 3632</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03633"></a><span class="lineno"> 3633</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->SetObjectiveMin(</div>
|
|
<div class="line"><a name="l03634"></a><span class="lineno"> 3634</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">CapSub</a>(<a class="code" href="namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3">CapAdd</a>(<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>, <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>), penalty),</div>
|
|
<div class="line"><a name="l03635"></a><span class="lineno"> 3635</span>  <a class="code" href="namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3">CapAdd</a>(<a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>, <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>)),</div>
|
|
<div class="line"><a name="l03636"></a><span class="lineno"> 3636</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->ObjectiveMin()));</div>
|
|
<div class="line"><a name="l03637"></a><span class="lineno"> 3637</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03638"></a><span class="lineno"> 3638</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->SetObjectiveMax(</div>
|
|
<div class="line"><a name="l03639"></a><span class="lineno"> 3639</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">CapSub</a>(<a class="code" href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">CapSub</a>(<a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a>, <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>), penalty),</div>
|
|
<div class="line"><a name="l03640"></a><span class="lineno"> 3640</span>  <a class="code" href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">CapSub</a>(<a class="code" href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a>, <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>)),</div>
|
|
<div class="line"><a name="l03641"></a><span class="lineno"> 3641</span>  <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->ObjectiveMax()));</div>
|
|
<div class="line"><a name="l03642"></a><span class="lineno"> 3642</span>  }</div>
|
|
<div class="line"><a name="l03643"></a><span class="lineno"> 3643</span>  }</div>
|
|
<div class="line"><a name="l03644"></a><span class="lineno"> 3644</span>  }</div>
|
|
<div class="line"><a name="l03645"></a><span class="lineno"> 3645</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03646"></a><span class="lineno"> 3646</span> }</div>
|
|
<div class="line"><a name="l03647"></a><span class="lineno"> 3647</span>  </div>
|
|
<div class="line"><a name="l03648"></a><span class="lineno"> 3648</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> GuidedLocalSearch::Evaluate(<span class="keyword">const</span> Assignment* <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>,</div>
|
|
<div class="line"><a name="l03649"></a><span class="lineno"> 3649</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> current_penalty,</div>
|
|
<div class="line"><a name="l03650"></a><span class="lineno"> 3650</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> out_values,</div>
|
|
<div class="line"><a name="l03651"></a><span class="lineno"> 3651</span>  <span class="keywordtype">bool</span> cache_delta_values) {</div>
|
|
<div class="line"><a name="l03652"></a><span class="lineno"> 3652</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> penalty = current_penalty;</div>
|
|
<div class="line"><a name="l03653"></a><span class="lineno"> 3653</span>  <span class="keyword">const</span> Assignment::IntContainer& container = <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>->IntVarContainer();</div>
|
|
<div class="line"><a name="l03654"></a><span class="lineno"> 3654</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = container.Size();</div>
|
|
<div class="line"><a name="l03655"></a><span class="lineno"> 3655</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
|
|
<div class="line"><a name="l03656"></a><span class="lineno"> 3656</span>  <span class="keyword">const</span> IntVarElement& new_element = container.Element(i);</div>
|
|
<div class="line"><a name="l03657"></a><span class="lineno"> 3657</span>  IntVar* <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> = new_element.Var();</div>
|
|
<div class="line"><a name="l03658"></a><span class="lineno"> 3658</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = -1;</div>
|
|
<div class="line"><a name="l03659"></a><span class="lineno"> 3659</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64">gtl::FindCopy</a>(<a class="code" href="search_8cc.html#ac22600081c7ea56ebafdfc86804cc3e7">indices_</a>, <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, &<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
|
|
<div class="line"><a name="l03660"></a><span class="lineno"> 3660</span>  penalty = <a class="code" href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">CapSub</a>(penalty, out_values[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]);</div>
|
|
<div class="line"><a name="l03661"></a><span class="lineno"> 3661</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> new_penalty = 0;</div>
|
|
<div class="line"><a name="l03662"></a><span class="lineno"> 3662</span>  <span class="keywordflow">if</span> (EvaluateElementValue(container, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, &i, &new_penalty)) {</div>
|
|
<div class="line"><a name="l03663"></a><span class="lineno"> 3663</span>  penalty = <a class="code" href="namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3">CapAdd</a>(penalty, new_penalty);</div>
|
|
<div class="line"><a name="l03664"></a><span class="lineno"> 3664</span>  <span class="keywordflow">if</span> (cache_delta_values) {</div>
|
|
<div class="line"><a name="l03665"></a><span class="lineno"> 3665</span>  <a class="code" href="search_8cc.html#a084e30b0671c01c2069b33171f019231">delta_cache_</a>[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] = new_penalty;</div>
|
|
<div class="line"><a name="l03666"></a><span class="lineno"> 3666</span>  }</div>
|
|
<div class="line"><a name="l03667"></a><span class="lineno"> 3667</span>  }</div>
|
|
<div class="line"><a name="l03668"></a><span class="lineno"> 3668</span>  }</div>
|
|
<div class="line"><a name="l03669"></a><span class="lineno"> 3669</span>  }</div>
|
|
<div class="line"><a name="l03670"></a><span class="lineno"> 3670</span>  <span class="keywordflow">return</span> penalty;</div>
|
|
<div class="line"><a name="l03671"></a><span class="lineno"> 3671</span> }</div>
|
|
<div class="line"><a name="l03672"></a><span class="lineno"> 3672</span>  </div>
|
|
<div class="line"><a name="l03673"></a><span class="lineno"> 3673</span> <span class="comment">// Penalize all the most expensive arcs (var, value) according to their utility:</span></div>
|
|
<div class="line"><a name="l03674"></a><span class="lineno"> 3674</span> <span class="comment">// utility(i, j) = cost(i, j) / (1 + penalty(i, j))</span></div>
|
|
<div class="line"><a name="l03675"></a><span class="lineno"> 3675</span> <span class="keywordtype">bool</span> GuidedLocalSearch::LocalOptimum() {</div>
|
|
<div class="line"><a name="l03676"></a><span class="lineno"> 3676</span>  std::vector<std::pair<Arc, double>> utility(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size());</div>
|
|
<div class="line"><a name="l03677"></a><span class="lineno"> 3677</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>.size(); ++i) {</div>
|
|
<div class="line"><a name="l03678"></a><span class="lineno"> 3678</span>  <span class="keywordflow">if</span> (!assignment_.Bound(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i])) {</div>
|
|
<div class="line"><a name="l03679"></a><span class="lineno"> 3679</span>  <span class="comment">// Never synced with a solution, problem infeasible.</span></div>
|
|
<div class="line"><a name="l03680"></a><span class="lineno"> 3680</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03681"></a><span class="lineno"> 3681</span>  }</div>
|
|
<div class="line"><a name="l03682"></a><span class="lineno"> 3682</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> var_value = assignment_.Value(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[i]);</div>
|
|
<div class="line"><a name="l03683"></a><span class="lineno"> 3683</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> =</div>
|
|
<div class="line"><a name="l03684"></a><span class="lineno"> 3684</span>  (var_value != i) ? AssignmentPenalty(assignment_, i, var_value) : 0;</div>
|
|
<div class="line"><a name="l03685"></a><span class="lineno"> 3685</span>  <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a> arc(i, var_value);</div>
|
|
<div class="line"><a name="l03686"></a><span class="lineno"> 3686</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> penalty = penalties_->Value(arc);</div>
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|
<div class="line"><a name="l03687"></a><span class="lineno"> 3687</span>  utility[i] = std::pair<Arc, double>(arc, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> / (penalty + 1.0));</div>
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|
<div class="line"><a name="l03688"></a><span class="lineno"> 3688</span>  }</div>
|
|
<div class="line"><a name="l03689"></a><span class="lineno"> 3689</span>  Comparator comparator;</div>
|
|
<div class="line"><a name="l03690"></a><span class="lineno"> 3690</span>  std::sort(utility.begin(), utility.end(), comparator);</div>
|
|
<div class="line"><a name="l03691"></a><span class="lineno"> 3691</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> utility_value = utility[0].second;</div>
|
|
<div class="line"><a name="l03692"></a><span class="lineno"> 3692</span>  penalties_->Increment(utility[0].first);</div>
|
|
<div class="line"><a name="l03693"></a><span class="lineno"> 3693</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < utility.size() && utility_value == utility[i].second;</div>
|
|
<div class="line"><a name="l03694"></a><span class="lineno"> 3694</span>  ++i) {</div>
|
|
<div class="line"><a name="l03695"></a><span class="lineno"> 3695</span>  penalties_->Increment(utility[i].first);</div>
|
|
<div class="line"><a name="l03696"></a><span class="lineno"> 3696</span>  }</div>
|
|
<div class="line"><a name="l03697"></a><span class="lineno"> 3697</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03698"></a><span class="lineno"> 3698</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
|
|
<div class="line"><a name="l03699"></a><span class="lineno"> 3699</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03700"></a><span class="lineno"> 3700</span>  <a class="code" href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a> = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l03701"></a><span class="lineno"> 3701</span>  }</div>
|
|
<div class="line"><a name="l03702"></a><span class="lineno"> 3702</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03703"></a><span class="lineno"> 3703</span> }</div>
|
|
<div class="line"><a name="l03704"></a><span class="lineno"> 3704</span>  </div>
|
|
<div class="line"><a name="l03705"></a><span class="lineno"> 3705</span> <span class="keyword">class </span>BinaryGuidedLocalSearch : <span class="keyword">public</span> GuidedLocalSearch {</div>
|
|
<div class="line"><a name="l03706"></a><span class="lineno"> 3706</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l03707"></a><span class="lineno"> 3707</span>  BinaryGuidedLocalSearch(Solver* <span class="keyword">const</span> solver, IntVar* <span class="keyword">const</span> objective,</div>
|
|
<div class="line"><a name="l03708"></a><span class="lineno"> 3708</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> objective_function,</div>
|
|
<div class="line"><a name="l03709"></a><span class="lineno"> 3709</span>  <span class="keywordtype">bool</span> maximize, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l03710"></a><span class="lineno"> 3710</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l03711"></a><span class="lineno"> 3711</span>  <span class="keywordtype">double</span> penalty_factor);</div>
|
|
<div class="line"><a name="l03712"></a><span class="lineno"> 3712</span>  ~BinaryGuidedLocalSearch()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l03713"></a><span class="lineno"> 3713</span>  IntExpr* MakeElementPenalty(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03714"></a><span class="lineno"> 3714</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> AssignmentElementPenalty(<span class="keyword">const</span> Assignment& assignment,</div>
|
|
<div class="line"><a name="l03715"></a><span class="lineno"> 3715</span>  <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03716"></a><span class="lineno"> 3716</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> AssignmentPenalty(<span class="keyword">const</span> Assignment& assignment, <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>,</div>
|
|
<div class="line"><a name="l03717"></a><span class="lineno"> 3717</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03718"></a><span class="lineno"> 3718</span>  <span class="keywordtype">bool</span> EvaluateElementValue(<span class="keyword">const</span> Assignment::IntContainer& container,</div>
|
|
<div class="line"><a name="l03719"></a><span class="lineno"> 3719</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <span class="keywordtype">int</span>* container_index,</div>
|
|
<div class="line"><a name="l03720"></a><span class="lineno"> 3720</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* penalty) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l03721"></a><span class="lineno"> 3721</span>  </div>
|
|
<div class="line"><a name="l03722"></a><span class="lineno"> 3722</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l03723"></a><span class="lineno"> 3723</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> PenalizedValue(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> j);</div>
|
|
<div class="line"><a name="l03724"></a><span class="lineno"> 3724</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> objective_function_;</div>
|
|
<div class="line"><a name="l03725"></a><span class="lineno"> 3725</span> };</div>
|
|
<div class="line"><a name="l03726"></a><span class="lineno"> 3726</span>  </div>
|
|
<div class="line"><a name="l03727"></a><span class="lineno"> 3727</span> BinaryGuidedLocalSearch::BinaryGuidedLocalSearch(</div>
|
|
<div class="line"><a name="l03728"></a><span class="lineno"> 3728</span>  Solver* <span class="keyword">const</span> solver, IntVar* <span class="keyword">const</span> objective,</div>
|
|
<div class="line"><a name="l03729"></a><span class="lineno"> 3729</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> objective_function, <span class="keywordtype">bool</span> maximize,</div>
|
|
<div class="line"><a name="l03730"></a><span class="lineno"> 3730</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step, <span class="keyword">const</span> std::vector<IntVar*>& vars, <span class="keywordtype">double</span> penalty_factor)</div>
|
|
<div class="line"><a name="l03731"></a><span class="lineno"> 3731</span>  : GuidedLocalSearch(solver, objective, maximize, step, vars,</div>
|
|
<div class="line"><a name="l03732"></a><span class="lineno"> 3732</span>  penalty_factor),</div>
|
|
<div class="line"><a name="l03733"></a><span class="lineno"> 3733</span>  objective_function_(std::move(objective_function)) {}</div>
|
|
<div class="line"><a name="l03734"></a><span class="lineno"> 3734</span>  </div>
|
|
<div class="line"><a name="l03735"></a><span class="lineno"> 3735</span> IntExpr* BinaryGuidedLocalSearch::MakeElementPenalty(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
|
|
<div class="line"><a name="l03736"></a><span class="lineno"> 3736</span>  <span class="keywordflow">return</span> solver()->MakeElement(</div>
|
|
<div class="line"><a name="l03737"></a><span class="lineno"> 3737</span>  [<span class="keyword">this</span>, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>](<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i) { <span class="keywordflow">return</span> PenalizedValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, i); },</div>
|
|
<div class="line"><a name="l03738"></a><span class="lineno"> 3738</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]);</div>
|
|
<div class="line"><a name="l03739"></a><span class="lineno"> 3739</span> }</div>
|
|
<div class="line"><a name="l03740"></a><span class="lineno"> 3740</span>  </div>
|
|
<div class="line"><a name="l03741"></a><span class="lineno"> 3741</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> BinaryGuidedLocalSearch::AssignmentElementPenalty(</div>
|
|
<div class="line"><a name="l03742"></a><span class="lineno"> 3742</span>  <span class="keyword">const</span> Assignment& assignment, <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
|
|
<div class="line"><a name="l03743"></a><span class="lineno"> 3743</span>  <span class="keywordflow">return</span> PenalizedValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, assignment.Value(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]));</div>
|
|
<div class="line"><a name="l03744"></a><span class="lineno"> 3744</span> }</div>
|
|
<div class="line"><a name="l03745"></a><span class="lineno"> 3745</span>  </div>
|
|
<div class="line"><a name="l03746"></a><span class="lineno"> 3746</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> BinaryGuidedLocalSearch::AssignmentPenalty(<span class="keyword">const</span> Assignment& assignment,</div>
|
|
<div class="line"><a name="l03747"></a><span class="lineno"> 3747</span>  <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>) {</div>
|
|
<div class="line"><a name="l03748"></a><span class="lineno"> 3748</span>  <span class="keywordflow">return</span> objective_function_(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>);</div>
|
|
<div class="line"><a name="l03749"></a><span class="lineno"> 3749</span> }</div>
|
|
<div class="line"><a name="l03750"></a><span class="lineno"> 3750</span>  </div>
|
|
<div class="line"><a name="l03751"></a><span class="lineno"> 3751</span> <span class="keywordtype">bool</span> BinaryGuidedLocalSearch::EvaluateElementValue(</div>
|
|
<div class="line"><a name="l03752"></a><span class="lineno"> 3752</span>  <span class="keyword">const</span> Assignment::IntContainer& container, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>,</div>
|
|
<div class="line"><a name="l03753"></a><span class="lineno"> 3753</span>  <span class="keywordtype">int</span>* container_index, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* penalty) {</div>
|
|
<div class="line"><a name="l03754"></a><span class="lineno"> 3754</span>  <span class="keyword">const</span> IntVarElement& element = container.Element(*container_index);</div>
|
|
<div class="line"><a name="l03755"></a><span class="lineno"> 3755</span>  <span class="keywordflow">if</span> (element.Activated()) {</div>
|
|
<div class="line"><a name="l03756"></a><span class="lineno"> 3756</span>  *penalty = PenalizedValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, element.Value());</div>
|
|
<div class="line"><a name="l03757"></a><span class="lineno"> 3757</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03758"></a><span class="lineno"> 3758</span>  }</div>
|
|
<div class="line"><a name="l03759"></a><span class="lineno"> 3759</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03760"></a><span class="lineno"> 3760</span> }</div>
|
|
<div class="line"><a name="l03761"></a><span class="lineno"> 3761</span>  </div>
|
|
<div class="line"><a name="l03762"></a><span class="lineno"> 3762</span> <span class="comment">// Penalized value for (i, j) = penalty_factor_ * penalty(i, j) * cost (i, j)</span></div>
|
|
<div class="line"><a name="l03763"></a><span class="lineno"> 3763</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> BinaryGuidedLocalSearch::PenalizedValue(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> j) {</div>
|
|
<div class="line"><a name="l03764"></a><span class="lineno"> 3764</span>  <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a> arc(i, j);</div>
|
|
<div class="line"><a name="l03765"></a><span class="lineno"> 3765</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> penalty = penalties_->Value(arc);</div>
|
|
<div class="line"><a name="l03766"></a><span class="lineno"> 3766</span>  <span class="keywordflow">if</span> (penalty != 0) { <span class="comment">// objective_function_->Run(i, j) can be costly</span></div>
|
|
<div class="line"><a name="l03767"></a><span class="lineno"> 3767</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> penalized_value_fp =</div>
|
|
<div class="line"><a name="l03768"></a><span class="lineno"> 3768</span>  <a class="code" href="search_8cc.html#a0b1795e10c65e7f1062da14c6e63e569">penalty_factor_</a> * penalty * objective_function_(i, j);</div>
|
|
<div class="line"><a name="l03769"></a><span class="lineno"> 3769</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> penalized_value = (penalized_value_fp <= <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>)</div>
|
|
<div class="line"><a name="l03770"></a><span class="lineno"> 3770</span>  ? <span class="keyword">static_cast<</span><a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a><span class="keyword">></span>(penalized_value_fp)</div>
|
|
<div class="line"><a name="l03771"></a><span class="lineno"> 3771</span>  : <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l03772"></a><span class="lineno"> 3772</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03773"></a><span class="lineno"> 3773</span>  <span class="keywordflow">return</span> -penalized_value;</div>
|
|
<div class="line"><a name="l03774"></a><span class="lineno"> 3774</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03775"></a><span class="lineno"> 3775</span>  <span class="keywordflow">return</span> penalized_value;</div>
|
|
<div class="line"><a name="l03776"></a><span class="lineno"> 3776</span>  }</div>
|
|
<div class="line"><a name="l03777"></a><span class="lineno"> 3777</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03778"></a><span class="lineno"> 3778</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l03779"></a><span class="lineno"> 3779</span>  }</div>
|
|
<div class="line"><a name="l03780"></a><span class="lineno"> 3780</span> }</div>
|
|
<div class="line"><a name="l03781"></a><span class="lineno"> 3781</span>  </div>
|
|
<div class="line"><a name="l03782"></a><span class="lineno"> 3782</span> <span class="keyword">class </span>TernaryGuidedLocalSearch : <span class="keyword">public</span> GuidedLocalSearch {</div>
|
|
<div class="line"><a name="l03783"></a><span class="lineno"> 3783</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l03784"></a><span class="lineno"> 3784</span>  TernaryGuidedLocalSearch(</div>
|
|
<div class="line"><a name="l03785"></a><span class="lineno"> 3785</span>  Solver* <span class="keyword">const</span> solver, IntVar* <span class="keyword">const</span> objective,</div>
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|
<div class="line"><a name="l03786"></a><span class="lineno"> 3786</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> objective_function,</div>
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<div class="line"><a name="l03787"></a><span class="lineno"> 3787</span>  <span class="keywordtype">bool</span> maximize, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l03788"></a><span class="lineno"> 3788</span>  <span class="keyword">const</span> std::vector<IntVar*>& secondary_vars, <span class="keywordtype">double</span> penalty_factor);</div>
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<div class="line"><a name="l03789"></a><span class="lineno"> 3789</span>  ~TernaryGuidedLocalSearch()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l03790"></a><span class="lineno"> 3790</span>  IntExpr* MakeElementPenalty(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l03791"></a><span class="lineno"> 3791</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> AssignmentElementPenalty(<span class="keyword">const</span> Assignment& assignment,</div>
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<div class="line"><a name="l03792"></a><span class="lineno"> 3792</span>  <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l03793"></a><span class="lineno"> 3793</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> AssignmentPenalty(<span class="keyword">const</span> Assignment& assignment, <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>,</div>
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<div class="line"><a name="l03794"></a><span class="lineno"> 3794</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l03795"></a><span class="lineno"> 3795</span>  <span class="keywordtype">bool</span> EvaluateElementValue(<span class="keyword">const</span> Assignment::IntContainer& container,</div>
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<div class="line"><a name="l03796"></a><span class="lineno"> 3796</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <span class="keywordtype">int</span>* container_index,</div>
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<div class="line"><a name="l03797"></a><span class="lineno"> 3797</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* penalty) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l03798"></a><span class="lineno"> 3798</span>  </div>
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<div class="line"><a name="l03799"></a><span class="lineno"> 3799</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l03800"></a><span class="lineno"> 3800</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> PenalizedValue(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> j, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> k);</div>
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<div class="line"><a name="l03801"></a><span class="lineno"> 3801</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> GetAssignmentSecondaryValue(<span class="keyword">const</span> Assignment::IntContainer& container,</div>
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<div class="line"><a name="l03802"></a><span class="lineno"> 3802</span>  <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <span class="keywordtype">int</span>* container_index) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l03803"></a><span class="lineno"> 3803</span>  </div>
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<div class="line"><a name="l03804"></a><span class="lineno"> 3804</span>  <span class="keyword">const</span> std::vector<IntVar*> secondary_vars_;</div>
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<div class="line"><a name="l03805"></a><span class="lineno"> 3805</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> objective_function_;</div>
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<div class="line"><a name="l03806"></a><span class="lineno"> 3806</span> };</div>
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<div class="line"><a name="l03807"></a><span class="lineno"> 3807</span>  </div>
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<div class="line"><a name="l03808"></a><span class="lineno"> 3808</span> TernaryGuidedLocalSearch::TernaryGuidedLocalSearch(</div>
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<div class="line"><a name="l03809"></a><span class="lineno"> 3809</span>  Solver* <span class="keyword">const</span> solver, IntVar* <span class="keyword">const</span> objective,</div>
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<div class="line"><a name="l03810"></a><span class="lineno"> 3810</span>  std::function<<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>)> objective_function, <span class="keywordtype">bool</span> maximize,</div>
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<div class="line"><a name="l03811"></a><span class="lineno"> 3811</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a name="l03812"></a><span class="lineno"> 3812</span>  <span class="keyword">const</span> std::vector<IntVar*>& secondary_vars, <span class="keywordtype">double</span> penalty_factor)</div>
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<div class="line"><a name="l03813"></a><span class="lineno"> 3813</span>  : GuidedLocalSearch(solver, objective, maximize, step, vars,</div>
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|
<div class="line"><a name="l03814"></a><span class="lineno"> 3814</span>  penalty_factor),</div>
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|
<div class="line"><a name="l03815"></a><span class="lineno"> 3815</span>  secondary_vars_(secondary_vars),</div>
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|
<div class="line"><a name="l03816"></a><span class="lineno"> 3816</span>  objective_function_(std::move(objective_function)) {</div>
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|
<div class="line"><a name="l03817"></a><span class="lineno"> 3817</span>  <span class="keywordflow">if</span> (!secondary_vars.empty()) {</div>
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|
<div class="line"><a name="l03818"></a><span class="lineno"> 3818</span>  assignment_.Add(secondary_vars);</div>
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|
<div class="line"><a name="l03819"></a><span class="lineno"> 3819</span>  }</div>
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|
<div class="line"><a name="l03820"></a><span class="lineno"> 3820</span> }</div>
|
|
<div class="line"><a name="l03821"></a><span class="lineno"> 3821</span>  </div>
|
|
<div class="line"><a name="l03822"></a><span class="lineno"> 3822</span> IntExpr* TernaryGuidedLocalSearch::MakeElementPenalty(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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|
<div class="line"><a name="l03823"></a><span class="lineno"> 3823</span>  <span class="keywordflow">return</span> solver()->MakeElement(</div>
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|
<div class="line"><a name="l03824"></a><span class="lineno"> 3824</span>  [<span class="keyword">this</span>, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>](<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> j) { <span class="keywordflow">return</span> PenalizedValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, i, j); },</div>
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|
<div class="line"><a name="l03825"></a><span class="lineno"> 3825</span>  <a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>], secondary_vars_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]);</div>
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|
<div class="line"><a name="l03826"></a><span class="lineno"> 3826</span> }</div>
|
|
<div class="line"><a name="l03827"></a><span class="lineno"> 3827</span>  </div>
|
|
<div class="line"><a name="l03828"></a><span class="lineno"> 3828</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> TernaryGuidedLocalSearch::AssignmentElementPenalty(</div>
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|
<div class="line"><a name="l03829"></a><span class="lineno"> 3829</span>  <span class="keyword">const</span> Assignment& assignment, <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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|
<div class="line"><a name="l03830"></a><span class="lineno"> 3830</span>  <span class="keywordflow">return</span> PenalizedValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, assignment.Value(<a class="code" href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a>[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]),</div>
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|
<div class="line"><a name="l03831"></a><span class="lineno"> 3831</span>  assignment.Value(secondary_vars_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]));</div>
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|
<div class="line"><a name="l03832"></a><span class="lineno"> 3832</span> }</div>
|
|
<div class="line"><a name="l03833"></a><span class="lineno"> 3833</span>  </div>
|
|
<div class="line"><a name="l03834"></a><span class="lineno"> 3834</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> TernaryGuidedLocalSearch::AssignmentPenalty(<span class="keyword">const</span> Assignment& assignment,</div>
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|
<div class="line"><a name="l03835"></a><span class="lineno"> 3835</span>  <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>) {</div>
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|
<div class="line"><a name="l03836"></a><span class="lineno"> 3836</span>  <span class="keywordflow">return</span> objective_function_(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>,</div>
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|
<div class="line"><a name="l03837"></a><span class="lineno"> 3837</span>  assignment.Value(secondary_vars_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]));</div>
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|
<div class="line"><a name="l03838"></a><span class="lineno"> 3838</span> }</div>
|
|
<div class="line"><a name="l03839"></a><span class="lineno"> 3839</span>  </div>
|
|
<div class="line"><a name="l03840"></a><span class="lineno"> 3840</span> <span class="keywordtype">bool</span> TernaryGuidedLocalSearch::EvaluateElementValue(</div>
|
|
<div class="line"><a name="l03841"></a><span class="lineno"> 3841</span>  <span class="keyword">const</span> Assignment::IntContainer& container, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>,</div>
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|
<div class="line"><a name="l03842"></a><span class="lineno"> 3842</span>  <span class="keywordtype">int</span>* container_index, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* penalty) {</div>
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|
<div class="line"><a name="l03843"></a><span class="lineno"> 3843</span>  <span class="keyword">const</span> IntVarElement& element = container.Element(*container_index);</div>
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|
<div class="line"><a name="l03844"></a><span class="lineno"> 3844</span>  <span class="keywordflow">if</span> (element.Activated()) {</div>
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|
<div class="line"><a name="l03845"></a><span class="lineno"> 3845</span>  *penalty = PenalizedValue(</div>
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|
<div class="line"><a name="l03846"></a><span class="lineno"> 3846</span>  <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, element.Value(),</div>
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|
<div class="line"><a name="l03847"></a><span class="lineno"> 3847</span>  GetAssignmentSecondaryValue(container, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, container_index));</div>
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|
<div class="line"><a name="l03848"></a><span class="lineno"> 3848</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a name="l03849"></a><span class="lineno"> 3849</span>  }</div>
|
|
<div class="line"><a name="l03850"></a><span class="lineno"> 3850</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l03851"></a><span class="lineno"> 3851</span> }</div>
|
|
<div class="line"><a name="l03852"></a><span class="lineno"> 3852</span>  </div>
|
|
<div class="line"><a name="l03853"></a><span class="lineno"> 3853</span> <span class="comment">// Penalized value for (i, j) = penalty_factor_ * penalty(i, j) * cost (i, j)</span></div>
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<div class="line"><a name="l03854"></a><span class="lineno"> 3854</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> TernaryGuidedLocalSearch::PenalizedValue(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> j, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> k) {</div>
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<div class="line"><a name="l03855"></a><span class="lineno"> 3855</span>  <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a> arc(i, j);</div>
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<div class="line"><a name="l03856"></a><span class="lineno"> 3856</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> penalty = penalties_->Value(arc);</div>
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<div class="line"><a name="l03857"></a><span class="lineno"> 3857</span>  <span class="keywordflow">if</span> (penalty != 0) { <span class="comment">// objective_function_(i, j, k) can be costly</span></div>
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<div class="line"><a name="l03858"></a><span class="lineno"> 3858</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> penalized_value_fp =</div>
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|
<div class="line"><a name="l03859"></a><span class="lineno"> 3859</span>  <a class="code" href="search_8cc.html#a0b1795e10c65e7f1062da14c6e63e569">penalty_factor_</a> * penalty * objective_function_(i, j, k);</div>
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|
<div class="line"><a name="l03860"></a><span class="lineno"> 3860</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> penalized_value = (penalized_value_fp <= <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>)</div>
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|
<div class="line"><a name="l03861"></a><span class="lineno"> 3861</span>  ? <span class="keyword">static_cast<</span><a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a><span class="keyword">></span>(penalized_value_fp)</div>
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|
<div class="line"><a name="l03862"></a><span class="lineno"> 3862</span>  : <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
|
|
<div class="line"><a name="l03863"></a><span class="lineno"> 3863</span>  <span class="keywordflow">if</span> (<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>) {</div>
|
|
<div class="line"><a name="l03864"></a><span class="lineno"> 3864</span>  <span class="keywordflow">return</span> -penalized_value;</div>
|
|
<div class="line"><a name="l03865"></a><span class="lineno"> 3865</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03866"></a><span class="lineno"> 3866</span>  <span class="keywordflow">return</span> penalized_value;</div>
|
|
<div class="line"><a name="l03867"></a><span class="lineno"> 3867</span>  }</div>
|
|
<div class="line"><a name="l03868"></a><span class="lineno"> 3868</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03869"></a><span class="lineno"> 3869</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l03870"></a><span class="lineno"> 3870</span>  }</div>
|
|
<div class="line"><a name="l03871"></a><span class="lineno"> 3871</span> }</div>
|
|
<div class="line"><a name="l03872"></a><span class="lineno"> 3872</span>  </div>
|
|
<div class="line"><a name="l03873"></a><span class="lineno"> 3873</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> TernaryGuidedLocalSearch::GetAssignmentSecondaryValue(</div>
|
|
<div class="line"><a name="l03874"></a><span class="lineno"> 3874</span>  <span class="keyword">const</span> Assignment::IntContainer& container, <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>,</div>
|
|
<div class="line"><a name="l03875"></a><span class="lineno"> 3875</span>  <span class="keywordtype">int</span>* container_index)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l03876"></a><span class="lineno"> 3876</span>  <span class="keyword">const</span> IntVar* secondary_var = secondary_vars_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
|
|
<div class="line"><a name="l03877"></a><span class="lineno"> 3877</span>  <span class="keywordtype">int</span> hint_index = *container_index + 1;</div>
|
|
<div class="line"><a name="l03878"></a><span class="lineno"> 3878</span>  <span class="keywordflow">if</span> (hint_index > 0 && hint_index < container.Size() &&</div>
|
|
<div class="line"><a name="l03879"></a><span class="lineno"> 3879</span>  secondary_var == container.Element(hint_index).Var()) {</div>
|
|
<div class="line"><a name="l03880"></a><span class="lineno"> 3880</span>  *container_index = hint_index;</div>
|
|
<div class="line"><a name="l03881"></a><span class="lineno"> 3881</span>  <span class="keywordflow">return</span> container.Element(hint_index).Value();</div>
|
|
<div class="line"><a name="l03882"></a><span class="lineno"> 3882</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l03883"></a><span class="lineno"> 3883</span>  <span class="keywordflow">return</span> container.Element(secondary_var).Value();</div>
|
|
<div class="line"><a name="l03884"></a><span class="lineno"> 3884</span>  }</div>
|
|
<div class="line"><a name="l03885"></a><span class="lineno"> 3885</span> }</div>
|
|
<div class="line"><a name="l03886"></a><span class="lineno"> 3886</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l03887"></a><span class="lineno"> 3887</span>  </div>
|
|
<div class="line"><a name="l03888"></a><span class="lineno"> 3888</span> SearchMonitor* Solver::MakeGuidedLocalSearch(</div>
|
|
<div class="line"><a name="l03889"></a><span class="lineno"> 3889</span>  <span class="keywordtype">bool</span> maximize, IntVar* <span class="keyword">const</span> objective,</div>
|
|
<div class="line"><a name="l03890"></a><span class="lineno"> 3890</span>  Solver::IndexEvaluator2 objective_function, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l03891"></a><span class="lineno"> 3891</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars, <span class="keywordtype">double</span> penalty_factor) {</div>
|
|
<div class="line"><a name="l03892"></a><span class="lineno"> 3892</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> BinaryGuidedLocalSearch(</div>
|
|
<div class="line"><a name="l03893"></a><span class="lineno"> 3893</span>  <span class="keyword">this</span>, objective, std::move(objective_function), maximize, step, vars,</div>
|
|
<div class="line"><a name="l03894"></a><span class="lineno"> 3894</span>  penalty_factor));</div>
|
|
<div class="line"><a name="l03895"></a><span class="lineno"> 3895</span> }</div>
|
|
<div class="line"><a name="l03896"></a><span class="lineno"> 3896</span>  </div>
|
|
<div class="line"><a name="l03897"></a><span class="lineno"> 3897</span> SearchMonitor* Solver::MakeGuidedLocalSearch(</div>
|
|
<div class="line"><a name="l03898"></a><span class="lineno"> 3898</span>  <span class="keywordtype">bool</span> maximize, IntVar* <span class="keyword">const</span> objective,</div>
|
|
<div class="line"><a name="l03899"></a><span class="lineno"> 3899</span>  Solver::IndexEvaluator3 objective_function, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l03900"></a><span class="lineno"> 3900</span>  <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
|
|
<div class="line"><a name="l03901"></a><span class="lineno"> 3901</span>  <span class="keyword">const</span> std::vector<IntVar*>& secondary_vars, <span class="keywordtype">double</span> penalty_factor) {</div>
|
|
<div class="line"><a name="l03902"></a><span class="lineno"> 3902</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> TernaryGuidedLocalSearch(</div>
|
|
<div class="line"><a name="l03903"></a><span class="lineno"> 3903</span>  <span class="keyword">this</span>, objective, std::move(objective_function), maximize, step, vars,</div>
|
|
<div class="line"><a name="l03904"></a><span class="lineno"> 3904</span>  secondary_vars, penalty_factor));</div>
|
|
<div class="line"><a name="l03905"></a><span class="lineno"> 3905</span> }</div>
|
|
<div class="line"><a name="l03906"></a><span class="lineno"> 3906</span>  </div>
|
|
<div class="line"><a name="l03907"></a><span class="lineno"> 3907</span> <span class="comment">// ---------- Search Limits ----------</span></div>
|
|
<div class="line"><a name="l03908"></a><span class="lineno"> 3908</span>  </div>
|
|
<div class="line"><a name="l03909"></a><span class="lineno"> 3909</span> <span class="comment">// ----- Base Class -----</span></div>
|
|
<div class="line"><a name="l03910"></a><span class="lineno"> 3910</span>  </div>
|
|
<div class="line"><a name="l03911"></a><span class="lineno"> 3911</span> SearchLimit::~SearchLimit() {}</div>
|
|
<div class="line"><a name="l03912"></a><span class="lineno"> 3912</span>  </div>
|
|
<div class="line"><a name="l03913"></a><span class="lineno"> 3913</span> <span class="keywordtype">void</span> SearchLimit::EnterSearch() {</div>
|
|
<div class="line"><a name="l03914"></a><span class="lineno"> 3914</span>  crossed_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l03915"></a><span class="lineno"> 3915</span>  Init();</div>
|
|
<div class="line"><a name="l03916"></a><span class="lineno"> 3916</span> }</div>
|
|
<div class="line"><a name="l03917"></a><span class="lineno"> 3917</span>  </div>
|
|
<div class="line"><a name="l03918"></a><span class="lineno"> 3918</span> <span class="keywordtype">void</span> SearchLimit::BeginNextDecision(DecisionBuilder* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>) {</div>
|
|
<div class="line"><a name="l03919"></a><span class="lineno"> 3919</span>  PeriodicCheck();</div>
|
|
<div class="line"><a name="l03920"></a><span class="lineno"> 3920</span>  TopPeriodicCheck();</div>
|
|
<div class="line"><a name="l03921"></a><span class="lineno"> 3921</span> }</div>
|
|
<div class="line"><a name="l03922"></a><span class="lineno"> 3922</span>  </div>
|
|
<div class="line"><a name="l03923"></a><span class="lineno"> 3923</span> <span class="keywordtype">void</span> SearchLimit::RefuteDecision(Decision* <span class="keyword">const</span> d) {</div>
|
|
<div class="line"><a name="l03924"></a><span class="lineno"> 3924</span>  PeriodicCheck();</div>
|
|
<div class="line"><a name="l03925"></a><span class="lineno"> 3925</span>  TopPeriodicCheck();</div>
|
|
<div class="line"><a name="l03926"></a><span class="lineno"> 3926</span> }</div>
|
|
<div class="line"><a name="l03927"></a><span class="lineno"> 3927</span>  </div>
|
|
<div class="line"><a name="l03928"></a><span class="lineno"> 3928</span> <span class="keywordtype">void</span> SearchLimit::PeriodicCheck() {</div>
|
|
<div class="line"><a name="l03929"></a><span class="lineno"> 3929</span>  <span class="keywordflow">if</span> (crossed_ || Check()) {</div>
|
|
<div class="line"><a name="l03930"></a><span class="lineno"> 3930</span>  crossed_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l03931"></a><span class="lineno"> 3931</span>  solver()->Fail();</div>
|
|
<div class="line"><a name="l03932"></a><span class="lineno"> 3932</span>  }</div>
|
|
<div class="line"><a name="l03933"></a><span class="lineno"> 3933</span> }</div>
|
|
<div class="line"><a name="l03934"></a><span class="lineno"> 3934</span>  </div>
|
|
<div class="line"><a name="l03935"></a><span class="lineno"> 3935</span> <span class="keywordtype">void</span> SearchLimit::TopPeriodicCheck() {</div>
|
|
<div class="line"><a name="l03936"></a><span class="lineno"> 3936</span>  <span class="keywordflow">if</span> (solver()->TopLevelSearch() != solver()->ActiveSearch()) {</div>
|
|
<div class="line"><a name="l03937"></a><span class="lineno"> 3937</span>  solver()->TopPeriodicCheck();</div>
|
|
<div class="line"><a name="l03938"></a><span class="lineno"> 3938</span>  }</div>
|
|
<div class="line"><a name="l03939"></a><span class="lineno"> 3939</span> }</div>
|
|
<div class="line"><a name="l03940"></a><span class="lineno"> 3940</span>  </div>
|
|
<div class="line"><a name="l03941"></a><span class="lineno"> 3941</span> <span class="comment">// ----- Regular Limit -----</span></div>
|
|
<div class="line"><a name="l03942"></a><span class="lineno"> 3942</span>  </div>
|
|
<div class="line"><a name="l03943"></a><span class="lineno"> 3943</span> RegularLimit::RegularLimit(Solver* <span class="keyword">const</span> s, absl::Duration <a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> branches,</div>
|
|
<div class="line"><a name="l03944"></a><span class="lineno"> 3944</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> failures, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> solutions,</div>
|
|
<div class="line"><a name="l03945"></a><span class="lineno"> 3945</span>  <span class="keywordtype">bool</span> smart_time_check, <span class="keywordtype">bool</span> cumulative)</div>
|
|
<div class="line"><a name="l03946"></a><span class="lineno"> 3946</span>  : SearchLimit(s),</div>
|
|
<div class="line"><a name="l03947"></a><span class="lineno"> 3947</span>  duration_limit_(<a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>),</div>
|
|
<div class="line"><a name="l03948"></a><span class="lineno"> 3948</span>  solver_time_at_limit_start_(s->Now()),</div>
|
|
<div class="line"><a name="l03949"></a><span class="lineno"> 3949</span>  last_time_elapsed_(<a class="code" href="namespaceabsl.html">absl</a>::ZeroDuration()),</div>
|
|
<div class="line"><a name="l03950"></a><span class="lineno"> 3950</span>  check_count_(0),</div>
|
|
<div class="line"><a name="l03951"></a><span class="lineno"> 3951</span>  next_check_(0),</div>
|
|
<div class="line"><a name="l03952"></a><span class="lineno"> 3952</span>  smart_time_check_(smart_time_check),</div>
|
|
<div class="line"><a name="l03953"></a><span class="lineno"> 3953</span>  branches_(branches),</div>
|
|
<div class="line"><a name="l03954"></a><span class="lineno"> 3954</span>  branches_offset_(0),</div>
|
|
<div class="line"><a name="l03955"></a><span class="lineno"> 3955</span>  failures_(failures),</div>
|
|
<div class="line"><a name="l03956"></a><span class="lineno"> 3956</span>  failures_offset_(0),</div>
|
|
<div class="line"><a name="l03957"></a><span class="lineno"> 3957</span>  solutions_(solutions),</div>
|
|
<div class="line"><a name="l03958"></a><span class="lineno"> 3958</span>  solutions_offset_(0),</div>
|
|
<div class="line"><a name="l03959"></a><span class="lineno"> 3959</span>  cumulative_(cumulative) {}</div>
|
|
<div class="line"><a name="l03960"></a><span class="lineno"> 3960</span>  </div>
|
|
<div class="line"><a name="l03961"></a><span class="lineno"> 3961</span> RegularLimit::~RegularLimit() {}</div>
|
|
<div class="line"><a name="l03962"></a><span class="lineno"> 3962</span>  </div>
|
|
<div class="line"><a name="l03963"></a><span class="lineno"> 3963</span> <span class="keywordtype">void</span> RegularLimit::Copy(<span class="keyword">const</span> SearchLimit* <span class="keyword">const</span> limit) {</div>
|
|
<div class="line"><a name="l03964"></a><span class="lineno"> 3964</span>  <span class="keyword">const</span> RegularLimit* <span class="keyword">const</span> regular =</div>
|
|
<div class="line"><a name="l03965"></a><span class="lineno"> 3965</span>  <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>RegularLimit* const<span class="keyword">></span>(limit);</div>
|
|
<div class="line"><a name="l03966"></a><span class="lineno"> 3966</span>  duration_limit_ = regular->duration_limit_;</div>
|
|
<div class="line"><a name="l03967"></a><span class="lineno"> 3967</span>  branches_ = regular->branches_;</div>
|
|
<div class="line"><a name="l03968"></a><span class="lineno"> 3968</span>  failures_ = regular->failures_;</div>
|
|
<div class="line"><a name="l03969"></a><span class="lineno"> 3969</span>  solutions_ = regular->solutions_;</div>
|
|
<div class="line"><a name="l03970"></a><span class="lineno"> 3970</span>  smart_time_check_ = regular->smart_time_check_;</div>
|
|
<div class="line"><a name="l03971"></a><span class="lineno"> 3971</span>  cumulative_ = regular->cumulative_;</div>
|
|
<div class="line"><a name="l03972"></a><span class="lineno"> 3972</span> }</div>
|
|
<div class="line"><a name="l03973"></a><span class="lineno"> 3973</span>  </div>
|
|
<div class="line"><a name="l03974"></a><span class="lineno"> 3974</span> SearchLimit* RegularLimit::MakeClone()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> MakeIdenticalClone(); }</div>
|
|
<div class="line"><a name="l03975"></a><span class="lineno"> 3975</span>  </div>
|
|
<div class="line"><a name="l03976"></a><span class="lineno"> 3976</span> RegularLimit* RegularLimit::MakeIdenticalClone()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l03977"></a><span class="lineno"> 3977</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l03978"></a><span class="lineno"> 3978</span>  <span class="keywordflow">return</span> s->MakeLimit(wall_time(), branches_, failures_, solutions_,</div>
|
|
<div class="line"><a name="l03979"></a><span class="lineno"> 3979</span>  smart_time_check_);</div>
|
|
<div class="line"><a name="l03980"></a><span class="lineno"> 3980</span> }</div>
|
|
<div class="line"><a name="l03981"></a><span class="lineno"> 3981</span>  </div>
|
|
<div class="line"><a name="l03982"></a><span class="lineno"> 3982</span> <span class="keywordtype">bool</span> RegularLimit::Check() {</div>
|
|
<div class="line"><a name="l03983"></a><span class="lineno"> 3983</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l03984"></a><span class="lineno"> 3984</span>  <span class="comment">// Warning limits might be kint64max, do not move the offset to the rhs</span></div>
|
|
<div class="line"><a name="l03985"></a><span class="lineno"> 3985</span>  <span class="keywordflow">return</span> s->branches() - branches_offset_ >= branches_ ||</div>
|
|
<div class="line"><a name="l03986"></a><span class="lineno"> 3986</span>  s->failures() - failures_offset_ >= failures_ || CheckTime() ||</div>
|
|
<div class="line"><a name="l03987"></a><span class="lineno"> 3987</span>  s->solutions() - solutions_offset_ >= solutions_;</div>
|
|
<div class="line"><a name="l03988"></a><span class="lineno"> 3988</span> }</div>
|
|
<div class="line"><a name="l03989"></a><span class="lineno"> 3989</span>  </div>
|
|
<div class="line"><a name="l03990"></a><span class="lineno"> 3990</span> <span class="keywordtype">int</span> RegularLimit::ProgressPercent() {</div>
|
|
<div class="line"><a name="l03991"></a><span class="lineno"> 3991</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l03992"></a><span class="lineno"> 3992</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> progress = GetPercent(s->branches(), branches_offset_, branches_);</div>
|
|
<div class="line"><a name="l03993"></a><span class="lineno"> 3993</span>  progress = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(progress,</div>
|
|
<div class="line"><a name="l03994"></a><span class="lineno"> 3994</span>  GetPercent(s->failures(), failures_offset_, failures_));</div>
|
|
<div class="line"><a name="l03995"></a><span class="lineno"> 3995</span>  progress = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(</div>
|
|
<div class="line"><a name="l03996"></a><span class="lineno"> 3996</span>  progress, GetPercent(s->solutions(), solutions_offset_, solutions_));</div>
|
|
<div class="line"><a name="l03997"></a><span class="lineno"> 3997</span>  <span class="keywordflow">if</span> (duration_limit() != absl::InfiniteDuration()) {</div>
|
|
<div class="line"><a name="l03998"></a><span class="lineno"> 3998</span>  progress = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(progress, (100 * TimeElapsed()) / duration_limit());</div>
|
|
<div class="line"><a name="l03999"></a><span class="lineno"> 3999</span>  }</div>
|
|
<div class="line"><a name="l04000"></a><span class="lineno"> 4000</span>  <span class="keywordflow">return</span> progress;</div>
|
|
<div class="line"><a name="l04001"></a><span class="lineno"> 4001</span> }</div>
|
|
<div class="line"><a name="l04002"></a><span class="lineno"> 4002</span>  </div>
|
|
<div class="line"><a name="l04003"></a><span class="lineno"> 4003</span> <span class="keywordtype">void</span> RegularLimit::Init() {</div>
|
|
<div class="line"><a name="l04004"></a><span class="lineno"> 4004</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l04005"></a><span class="lineno"> 4005</span>  branches_offset_ = s->branches();</div>
|
|
<div class="line"><a name="l04006"></a><span class="lineno"> 4006</span>  failures_offset_ = s->failures();</div>
|
|
<div class="line"><a name="l04007"></a><span class="lineno"> 4007</span>  solver_time_at_limit_start_ = s->Now();</div>
|
|
<div class="line"><a name="l04008"></a><span class="lineno"> 4008</span>  last_time_elapsed_ = absl::ZeroDuration();</div>
|
|
<div class="line"><a name="l04009"></a><span class="lineno"> 4009</span>  solutions_offset_ = s->solutions();</div>
|
|
<div class="line"><a name="l04010"></a><span class="lineno"> 4010</span>  check_count_ = 0;</div>
|
|
<div class="line"><a name="l04011"></a><span class="lineno"> 4011</span>  next_check_ = 0;</div>
|
|
<div class="line"><a name="l04012"></a><span class="lineno"> 4012</span> }</div>
|
|
<div class="line"><a name="l04013"></a><span class="lineno"> 4013</span>  </div>
|
|
<div class="line"><a name="l04014"></a><span class="lineno"> 4014</span> <span class="keywordtype">void</span> RegularLimit::ExitSearch() {</div>
|
|
<div class="line"><a name="l04015"></a><span class="lineno"> 4015</span>  <span class="keywordflow">if</span> (cumulative_) {</div>
|
|
<div class="line"><a name="l04016"></a><span class="lineno"> 4016</span>  <span class="comment">// Reduce the limits by the amount consumed during this search</span></div>
|
|
<div class="line"><a name="l04017"></a><span class="lineno"> 4017</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l04018"></a><span class="lineno"> 4018</span>  branches_ -= s->branches() - branches_offset_;</div>
|
|
<div class="line"><a name="l04019"></a><span class="lineno"> 4019</span>  failures_ -= s->failures() - failures_offset_;</div>
|
|
<div class="line"><a name="l04020"></a><span class="lineno"> 4020</span>  duration_limit_ -= s->Now() - solver_time_at_limit_start_;</div>
|
|
<div class="line"><a name="l04021"></a><span class="lineno"> 4021</span>  solutions_ -= s->solutions() - solutions_offset_;</div>
|
|
<div class="line"><a name="l04022"></a><span class="lineno"> 4022</span>  }</div>
|
|
<div class="line"><a name="l04023"></a><span class="lineno"> 4023</span> }</div>
|
|
<div class="line"><a name="l04024"></a><span class="lineno"> 4024</span>  </div>
|
|
<div class="line"><a name="l04025"></a><span class="lineno"> 4025</span> <span class="keywordtype">void</span> RegularLimit::UpdateLimits(absl::Duration <a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> branches,</div>
|
|
<div class="line"><a name="l04026"></a><span class="lineno"> 4026</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> failures, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> solutions) {</div>
|
|
<div class="line"><a name="l04027"></a><span class="lineno"> 4027</span>  duration_limit_ = <a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>;</div>
|
|
<div class="line"><a name="l04028"></a><span class="lineno"> 4028</span>  branches_ = branches;</div>
|
|
<div class="line"><a name="l04029"></a><span class="lineno"> 4029</span>  failures_ = failures;</div>
|
|
<div class="line"><a name="l04030"></a><span class="lineno"> 4030</span>  solutions_ = solutions;</div>
|
|
<div class="line"><a name="l04031"></a><span class="lineno"> 4031</span> }</div>
|
|
<div class="line"><a name="l04032"></a><span class="lineno"> 4032</span>  </div>
|
|
<div class="line"><a name="l04033"></a><span class="lineno"> 4033</span> <span class="keywordtype">bool</span> RegularLimit::IsUncheckedSolutionLimitReached() {</div>
|
|
<div class="line"><a name="l04034"></a><span class="lineno"> 4034</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l04035"></a><span class="lineno"> 4035</span>  <span class="keywordflow">return</span> s->solutions() + s->unchecked_solutions() - solutions_offset_ >=</div>
|
|
<div class="line"><a name="l04036"></a><span class="lineno"> 4036</span>  solutions_;</div>
|
|
<div class="line"><a name="l04037"></a><span class="lineno"> 4037</span> }</div>
|
|
<div class="line"><a name="l04038"></a><span class="lineno"> 4038</span>  </div>
|
|
<div class="line"><a name="l04039"></a><span class="lineno"> 4039</span> std::string RegularLimit::DebugString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l04040"></a><span class="lineno"> 4040</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l04041"></a><span class="lineno"> 4041</span>  <span class="stringliteral">"RegularLimit(crossed = %i, duration_limit = %s, "</span></div>
|
|
<div class="line"><a name="l04042"></a><span class="lineno"> 4042</span>  <span class="stringliteral">"branches = %d, failures = %d, solutions = %d cumulative = %s"</span>,</div>
|
|
<div class="line"><a name="l04043"></a><span class="lineno"> 4043</span>  crossed(), absl::FormatDuration(duration_limit()), branches_, failures_,</div>
|
|
<div class="line"><a name="l04044"></a><span class="lineno"> 4044</span>  solutions_, (cumulative_ ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>));</div>
|
|
<div class="line"><a name="l04045"></a><span class="lineno"> 4045</span> }</div>
|
|
<div class="line"><a name="l04046"></a><span class="lineno"> 4046</span>  </div>
|
|
<div class="line"><a name="l04047"></a><span class="lineno"> 4047</span> <span class="keywordtype">void</span> RegularLimit::Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l04048"></a><span class="lineno"> 4048</span>  visitor->BeginVisitExtension(ModelVisitor::kSearchLimitExtension);</div>
|
|
<div class="line"><a name="l04049"></a><span class="lineno"> 4049</span>  visitor->VisitIntegerArgument(ModelVisitor::kTimeLimitArgument, wall_time());</div>
|
|
<div class="line"><a name="l04050"></a><span class="lineno"> 4050</span>  visitor->VisitIntegerArgument(ModelVisitor::kBranchesLimitArgument,</div>
|
|
<div class="line"><a name="l04051"></a><span class="lineno"> 4051</span>  branches_);</div>
|
|
<div class="line"><a name="l04052"></a><span class="lineno"> 4052</span>  visitor->VisitIntegerArgument(ModelVisitor::kFailuresLimitArgument,</div>
|
|
<div class="line"><a name="l04053"></a><span class="lineno"> 4053</span>  failures_);</div>
|
|
<div class="line"><a name="l04054"></a><span class="lineno"> 4054</span>  visitor->VisitIntegerArgument(ModelVisitor::kSolutionLimitArgument,</div>
|
|
<div class="line"><a name="l04055"></a><span class="lineno"> 4055</span>  solutions_);</div>
|
|
<div class="line"><a name="l04056"></a><span class="lineno"> 4056</span>  visitor->VisitIntegerArgument(ModelVisitor::kSmartTimeCheckArgument,</div>
|
|
<div class="line"><a name="l04057"></a><span class="lineno"> 4057</span>  smart_time_check_);</div>
|
|
<div class="line"><a name="l04058"></a><span class="lineno"> 4058</span>  visitor->VisitIntegerArgument(ModelVisitor::kCumulativeArgument, cumulative_);</div>
|
|
<div class="line"><a name="l04059"></a><span class="lineno"> 4059</span>  visitor->EndVisitExtension(ModelVisitor::kObjectiveExtension);</div>
|
|
<div class="line"><a name="l04060"></a><span class="lineno"> 4060</span> }</div>
|
|
<div class="line"><a name="l04061"></a><span class="lineno"> 4061</span>  </div>
|
|
<div class="line"><a name="l04062"></a><span class="lineno"> 4062</span> <span class="keywordtype">bool</span> RegularLimit::CheckTime() { <span class="keywordflow">return</span> TimeElapsed() >= duration_limit(); }</div>
|
|
<div class="line"><a name="l04063"></a><span class="lineno"> 4063</span>  </div>
|
|
<div class="line"><a name="l04064"></a><span class="lineno"> 4064</span> absl::Duration RegularLimit::TimeElapsed() {</div>
|
|
<div class="line"><a name="l04065"></a><span class="lineno"> 4065</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> kMaxSkip = 100;</div>
|
|
<div class="line"><a name="l04066"></a><span class="lineno"> 4066</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> kCheckWarmupIterations = 100;</div>
|
|
<div class="line"><a name="l04067"></a><span class="lineno"> 4067</span>  ++check_count_;</div>
|
|
<div class="line"><a name="l04068"></a><span class="lineno"> 4068</span>  <span class="keywordflow">if</span> (duration_limit() != absl::InfiniteDuration() &&</div>
|
|
<div class="line"><a name="l04069"></a><span class="lineno"> 4069</span>  next_check_ <= check_count_) {</div>
|
|
<div class="line"><a name="l04070"></a><span class="lineno"> 4070</span>  Solver* <span class="keyword">const</span> s = solver();</div>
|
|
<div class="line"><a name="l04071"></a><span class="lineno"> 4071</span>  absl::Duration elapsed = s->Now() - solver_time_at_limit_start_;</div>
|
|
<div class="line"><a name="l04072"></a><span class="lineno"> 4072</span>  <span class="keywordflow">if</span> (smart_time_check_ && check_count_ > kCheckWarmupIterations &&</div>
|
|
<div class="line"><a name="l04073"></a><span class="lineno"> 4073</span>  elapsed > absl::ZeroDuration()) {</div>
|
|
<div class="line"><a name="l04074"></a><span class="lineno"> 4074</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> estimated_check_count_at_limit = MathUtil::FastInt64Round(</div>
|
|
<div class="line"><a name="l04075"></a><span class="lineno"> 4075</span>  check_count_ * absl::FDivDuration(duration_limit_, elapsed));</div>
|
|
<div class="line"><a name="l04076"></a><span class="lineno"> 4076</span>  next_check_ =</div>
|
|
<div class="line"><a name="l04077"></a><span class="lineno"> 4077</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(check_count_ + kMaxSkip, estimated_check_count_at_limit);</div>
|
|
<div class="line"><a name="l04078"></a><span class="lineno"> 4078</span>  }</div>
|
|
<div class="line"><a name="l04079"></a><span class="lineno"> 4079</span>  last_time_elapsed_ = elapsed;</div>
|
|
<div class="line"><a name="l04080"></a><span class="lineno"> 4080</span>  }</div>
|
|
<div class="line"><a name="l04081"></a><span class="lineno"> 4081</span>  <span class="keywordflow">return</span> last_time_elapsed_;</div>
|
|
<div class="line"><a name="l04082"></a><span class="lineno"> 4082</span> }</div>
|
|
<div class="line"><a name="l04083"></a><span class="lineno"> 4083</span>  </div>
|
|
<div class="line"><a name="l04084"></a><span class="lineno"> 4084</span> RegularLimit* Solver::MakeTimeLimit(absl::Duration <a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>) {</div>
|
|
<div class="line"><a name="l04085"></a><span class="lineno"> 4085</span>  <span class="keywordflow">return</span> MakeLimit(<a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>, <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>, <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>, <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>,</div>
|
|
<div class="line"><a name="l04086"></a><span class="lineno"> 4086</span>  <span class="comment">/*smart_time_check=*/</span><span class="keyword">false</span>, <span class="comment">/*cumulative=*/</span><span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l04087"></a><span class="lineno"> 4087</span> }</div>
|
|
<div class="line"><a name="l04088"></a><span class="lineno"> 4088</span>  </div>
|
|
<div class="line"><a name="l04089"></a><span class="lineno"> 4089</span> RegularLimit* Solver::MakeBranchesLimit(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> branches) {</div>
|
|
<div class="line"><a name="l04090"></a><span class="lineno"> 4090</span>  <span class="keywordflow">return</span> MakeLimit(absl::InfiniteDuration(), branches, <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>, <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>,</div>
|
|
<div class="line"><a name="l04091"></a><span class="lineno"> 4091</span>  <span class="comment">/*smart_time_check=*/</span><span class="keyword">false</span>, <span class="comment">/*cumulative=*/</span><span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l04092"></a><span class="lineno"> 4092</span> }</div>
|
|
<div class="line"><a name="l04093"></a><span class="lineno"> 4093</span>  </div>
|
|
<div class="line"><a name="l04094"></a><span class="lineno"> 4094</span> RegularLimit* Solver::MakeFailuresLimit(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> failures) {</div>
|
|
<div class="line"><a name="l04095"></a><span class="lineno"> 4095</span>  <span class="keywordflow">return</span> MakeLimit(absl::InfiniteDuration(), <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>, failures, <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>,</div>
|
|
<div class="line"><a name="l04096"></a><span class="lineno"> 4096</span>  <span class="comment">/*smart_time_check=*/</span><span class="keyword">false</span>, <span class="comment">/*cumulative=*/</span><span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l04097"></a><span class="lineno"> 4097</span> }</div>
|
|
<div class="line"><a name="l04098"></a><span class="lineno"> 4098</span>  </div>
|
|
<div class="line"><a name="l04099"></a><span class="lineno"> 4099</span> RegularLimit* Solver::MakeSolutionsLimit(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> solutions) {</div>
|
|
<div class="line"><a name="l04100"></a><span class="lineno"> 4100</span>  <span class="keywordflow">return</span> MakeLimit(absl::InfiniteDuration(), <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>, <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>, solutions,</div>
|
|
<div class="line"><a name="l04101"></a><span class="lineno"> 4101</span>  <span class="comment">/*smart_time_check=*/</span><span class="keyword">false</span>, <span class="comment">/*cumulative=*/</span><span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l04102"></a><span class="lineno"> 4102</span> }</div>
|
|
<div class="line"><a name="l04103"></a><span class="lineno"> 4103</span>  </div>
|
|
<div class="line"><a name="l04104"></a><span class="lineno"> 4104</span> RegularLimit* Solver::MakeLimit(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> branches, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> failures,</div>
|
|
<div class="line"><a name="l04105"></a><span class="lineno"> 4105</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> solutions, <span class="keywordtype">bool</span> smart_time_check,</div>
|
|
<div class="line"><a name="l04106"></a><span class="lineno"> 4106</span>  <span class="keywordtype">bool</span> cumulative) {</div>
|
|
<div class="line"><a name="l04107"></a><span class="lineno"> 4107</span>  <span class="keywordflow">return</span> MakeLimit(absl::Milliseconds(<a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>), branches, failures, solutions,</div>
|
|
<div class="line"><a name="l04108"></a><span class="lineno"> 4108</span>  smart_time_check, cumulative);</div>
|
|
<div class="line"><a name="l04109"></a><span class="lineno"> 4109</span> }</div>
|
|
<div class="line"><a name="l04110"></a><span class="lineno"> 4110</span>  </div>
|
|
<div class="line"><a name="l04111"></a><span class="lineno"> 4111</span> RegularLimit* Solver::MakeLimit(absl::Duration <a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> branches,</div>
|
|
<div class="line"><a name="l04112"></a><span class="lineno"> 4112</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> failures, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> solutions,</div>
|
|
<div class="line"><a name="l04113"></a><span class="lineno"> 4113</span>  <span class="keywordtype">bool</span> smart_time_check, <span class="keywordtype">bool</span> cumulative) {</div>
|
|
<div class="line"><a name="l04114"></a><span class="lineno"> 4114</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> RegularLimit(<span class="keyword">this</span>, <a class="code" href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a>, branches, failures, solutions,</div>
|
|
<div class="line"><a name="l04115"></a><span class="lineno"> 4115</span>  smart_time_check, cumulative));</div>
|
|
<div class="line"><a name="l04116"></a><span class="lineno"> 4116</span> }</div>
|
|
<div class="line"><a name="l04117"></a><span class="lineno"> 4117</span>  </div>
|
|
<div class="line"><a name="l04118"></a><span class="lineno"> 4118</span> RegularLimit* Solver::MakeLimit(<span class="keyword">const</span> RegularLimitParameters& <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>) {</div>
|
|
<div class="line"><a name="l04119"></a><span class="lineno"> 4119</span>  <span class="keywordflow">return</span> MakeLimit(<a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.time() == <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a> ? absl::InfiniteDuration()</div>
|
|
<div class="line"><a name="l04120"></a><span class="lineno"> 4120</span>  : absl::Milliseconds(<a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.time()),</div>
|
|
<div class="line"><a name="l04121"></a><span class="lineno"> 4121</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.branches(), <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.failures(), <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.solutions(),</div>
|
|
<div class="line"><a name="l04122"></a><span class="lineno"> 4122</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.smart_time_check(), <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.cumulative());</div>
|
|
<div class="line"><a name="l04123"></a><span class="lineno"> 4123</span> }</div>
|
|
<div class="line"><a name="l04124"></a><span class="lineno"> 4124</span>  </div>
|
|
<div class="line"><a name="l04125"></a><span class="lineno"> 4125</span> RegularLimitParameters Solver::MakeDefaultRegularLimitParameters()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l04126"></a><span class="lineno"> 4126</span>  RegularLimitParameters <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>;</div>
|
|
<div class="line"><a name="l04127"></a><span class="lineno"> 4127</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.set_time(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>);</div>
|
|
<div class="line"><a name="l04128"></a><span class="lineno"> 4128</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.set_branches(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>);</div>
|
|
<div class="line"><a name="l04129"></a><span class="lineno"> 4129</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.set_failures(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>);</div>
|
|
<div class="line"><a name="l04130"></a><span class="lineno"> 4130</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.set_solutions(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>);</div>
|
|
<div class="line"><a name="l04131"></a><span class="lineno"> 4131</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.set_smart_time_check(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l04132"></a><span class="lineno"> 4132</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.set_cumulative(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l04133"></a><span class="lineno"> 4133</span>  <span class="keywordflow">return</span> <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>;</div>
|
|
<div class="line"><a name="l04134"></a><span class="lineno"> 4134</span> }</div>
|
|
<div class="line"><a name="l04135"></a><span class="lineno"> 4135</span>  </div>
|
|
<div class="line"><a name="l04136"></a><span class="lineno"> 4136</span> <span class="comment">// A limit whose Check function is the OR of two underlying limits.</span></div>
|
|
<div class="line"><a name="l04137"></a><span class="lineno"> 4137</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l04138"></a><span class="lineno"> 4138</span> <span class="keyword">class </span>ORLimit : <span class="keyword">public</span> SearchLimit {</div>
|
|
<div class="line"><a name="l04139"></a><span class="lineno"> 4139</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l04140"></a><span class="lineno"> 4140</span>  ORLimit(SearchLimit* limit_1, SearchLimit* limit_2)</div>
|
|
<div class="line"><a name="l04141"></a><span class="lineno"> 4141</span>  : SearchLimit(limit_1->solver()), limit_1_(limit_1), limit_2_(limit_2) {</div>
|
|
<div class="line"><a name="l04142"></a><span class="lineno"> 4142</span>  CHECK(limit_1 != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04143"></a><span class="lineno"> 4143</span>  CHECK(limit_2 != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04144"></a><span class="lineno"> 4144</span>  CHECK_EQ(limit_1->solver(), limit_2->solver())</div>
|
|
<div class="line"><a name="l04145"></a><span class="lineno"> 4145</span>  << <span class="stringliteral">"Illegal arguments: cannot combines limits that belong to different "</span></div>
|
|
<div class="line"><a name="l04146"></a><span class="lineno"> 4146</span>  << <span class="stringliteral">"solvers, because the reversible allocations could delete one and "</span></div>
|
|
<div class="line"><a name="l04147"></a><span class="lineno"> 4147</span>  << <span class="stringliteral">"not the other."</span>;</div>
|
|
<div class="line"><a name="l04148"></a><span class="lineno"> 4148</span>  }</div>
|
|
<div class="line"><a name="l04149"></a><span class="lineno"> 4149</span>  </div>
|
|
<div class="line"><a name="l04150"></a><span class="lineno"> 4150</span>  <span class="keywordtype">bool</span> Check()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04151"></a><span class="lineno"> 4151</span>  <span class="comment">// Check being non-const, there may be side effects. So we always call both</span></div>
|
|
<div class="line"><a name="l04152"></a><span class="lineno"> 4152</span>  <span class="comment">// checks.</span></div>
|
|
<div class="line"><a name="l04153"></a><span class="lineno"> 4153</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> check_1 = limit_1_->Check();</div>
|
|
<div class="line"><a name="l04154"></a><span class="lineno"> 4154</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> check_2 = limit_2_->Check();</div>
|
|
<div class="line"><a name="l04155"></a><span class="lineno"> 4155</span>  <span class="keywordflow">return</span> check_1 || check_2;</div>
|
|
<div class="line"><a name="l04156"></a><span class="lineno"> 4156</span>  }</div>
|
|
<div class="line"><a name="l04157"></a><span class="lineno"> 4157</span>  </div>
|
|
<div class="line"><a name="l04158"></a><span class="lineno"> 4158</span>  <span class="keywordtype">void</span> Init()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04159"></a><span class="lineno"> 4159</span>  limit_1_->Init();</div>
|
|
<div class="line"><a name="l04160"></a><span class="lineno"> 4160</span>  limit_2_->Init();</div>
|
|
<div class="line"><a name="l04161"></a><span class="lineno"> 4161</span>  }</div>
|
|
<div class="line"><a name="l04162"></a><span class="lineno"> 4162</span>  </div>
|
|
<div class="line"><a name="l04163"></a><span class="lineno"> 4163</span>  <span class="keywordtype">void</span> Copy(<span class="keyword">const</span> SearchLimit* <span class="keyword">const</span> limit)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04164"></a><span class="lineno"> 4164</span>  LOG(FATAL) << <span class="stringliteral">"Not implemented."</span>;</div>
|
|
<div class="line"><a name="l04165"></a><span class="lineno"> 4165</span>  }</div>
|
|
<div class="line"><a name="l04166"></a><span class="lineno"> 4166</span>  </div>
|
|
<div class="line"><a name="l04167"></a><span class="lineno"> 4167</span>  SearchLimit* MakeClone()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l04168"></a><span class="lineno"> 4168</span>  <span class="comment">// Deep cloning: the underlying limits are cloned, too.</span></div>
|
|
<div class="line"><a name="l04169"></a><span class="lineno"> 4169</span>  <span class="keywordflow">return</span> solver()->MakeLimit(limit_1_->MakeClone(), limit_2_->MakeClone());</div>
|
|
<div class="line"><a name="l04170"></a><span class="lineno"> 4170</span>  }</div>
|
|
<div class="line"><a name="l04171"></a><span class="lineno"> 4171</span>  </div>
|
|
<div class="line"><a name="l04172"></a><span class="lineno"> 4172</span>  <span class="keywordtype">void</span> EnterSearch()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04173"></a><span class="lineno"> 4173</span>  limit_1_->EnterSearch();</div>
|
|
<div class="line"><a name="l04174"></a><span class="lineno"> 4174</span>  limit_2_->EnterSearch();</div>
|
|
<div class="line"><a name="l04175"></a><span class="lineno"> 4175</span>  }</div>
|
|
<div class="line"><a name="l04176"></a><span class="lineno"> 4176</span>  <span class="keywordtype">void</span> BeginNextDecision(DecisionBuilder* <span class="keyword">const</span> <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04177"></a><span class="lineno"> 4177</span>  limit_1_->BeginNextDecision(<a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>);</div>
|
|
<div class="line"><a name="l04178"></a><span class="lineno"> 4178</span>  limit_2_->BeginNextDecision(<a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>);</div>
|
|
<div class="line"><a name="l04179"></a><span class="lineno"> 4179</span>  }</div>
|
|
<div class="line"><a name="l04180"></a><span class="lineno"> 4180</span>  <span class="keywordtype">void</span> PeriodicCheck()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04181"></a><span class="lineno"> 4181</span>  limit_1_->PeriodicCheck();</div>
|
|
<div class="line"><a name="l04182"></a><span class="lineno"> 4182</span>  limit_2_->PeriodicCheck();</div>
|
|
<div class="line"><a name="l04183"></a><span class="lineno"> 4183</span>  }</div>
|
|
<div class="line"><a name="l04184"></a><span class="lineno"> 4184</span>  <span class="keywordtype">void</span> RefuteDecision(Decision* <span class="keyword">const</span> d)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04185"></a><span class="lineno"> 4185</span>  limit_1_->RefuteDecision(d);</div>
|
|
<div class="line"><a name="l04186"></a><span class="lineno"> 4186</span>  limit_2_->RefuteDecision(d);</div>
|
|
<div class="line"><a name="l04187"></a><span class="lineno"> 4187</span>  }</div>
|
|
<div class="line"><a name="l04188"></a><span class="lineno"> 4188</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l04189"></a><span class="lineno"> 4189</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"OR limit ("</span>, limit_1_->DebugString(), <span class="stringliteral">" OR "</span>,</div>
|
|
<div class="line"><a name="l04190"></a><span class="lineno"> 4190</span>  limit_2_->DebugString(), <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l04191"></a><span class="lineno"> 4191</span>  }</div>
|
|
<div class="line"><a name="l04192"></a><span class="lineno"> 4192</span>  </div>
|
|
<div class="line"><a name="l04193"></a><span class="lineno"> 4193</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l04194"></a><span class="lineno"> 4194</span>  SearchLimit* <span class="keyword">const</span> limit_1_;</div>
|
|
<div class="line"><a name="l04195"></a><span class="lineno"> 4195</span>  SearchLimit* <span class="keyword">const</span> limit_2_;</div>
|
|
<div class="line"><a name="l04196"></a><span class="lineno"> 4196</span> };</div>
|
|
<div class="line"><a name="l04197"></a><span class="lineno"> 4197</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l04198"></a><span class="lineno"> 4198</span>  </div>
|
|
<div class="line"><a name="l04199"></a><span class="lineno"> 4199</span> SearchLimit* Solver::MakeLimit(SearchLimit* <span class="keyword">const</span> limit_1,</div>
|
|
<div class="line"><a name="l04200"></a><span class="lineno"> 4200</span>  SearchLimit* <span class="keyword">const</span> limit_2) {</div>
|
|
<div class="line"><a name="l04201"></a><span class="lineno"> 4201</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> ORLimit(limit_1, limit_2));</div>
|
|
<div class="line"><a name="l04202"></a><span class="lineno"> 4202</span> }</div>
|
|
<div class="line"><a name="l04203"></a><span class="lineno"> 4203</span>  </div>
|
|
<div class="line"><a name="l04204"></a><span class="lineno"> 4204</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l04205"></a><span class="lineno"> 4205</span> <span class="keyword">class </span>CustomLimit : <span class="keyword">public</span> SearchLimit {</div>
|
|
<div class="line"><a name="l04206"></a><span class="lineno"> 4206</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l04207"></a><span class="lineno"> 4207</span>  CustomLimit(Solver* <span class="keyword">const</span> s, std::function<<span class="keywordtype">bool</span>()> limiter);</div>
|
|
<div class="line"><a name="l04208"></a><span class="lineno"> 4208</span>  <span class="keywordtype">bool</span> Check() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l04209"></a><span class="lineno"> 4209</span>  <span class="keywordtype">void</span> Init() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l04210"></a><span class="lineno"> 4210</span>  <span class="keywordtype">void</span> Copy(<span class="keyword">const</span> SearchLimit* <span class="keyword">const</span> limit) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a name="l04211"></a><span class="lineno"> 4211</span>  SearchLimit* MakeClone() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a name="l04212"></a><span class="lineno"> 4212</span>  </div>
|
|
<div class="line"><a name="l04213"></a><span class="lineno"> 4213</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l04214"></a><span class="lineno"> 4214</span>  std::function<bool()> limiter_;</div>
|
|
<div class="line"><a name="l04215"></a><span class="lineno"> 4215</span> };</div>
|
|
<div class="line"><a name="l04216"></a><span class="lineno"> 4216</span>  </div>
|
|
<div class="line"><a name="l04217"></a><span class="lineno"> 4217</span> CustomLimit::CustomLimit(Solver* <span class="keyword">const</span> s, std::function<<span class="keywordtype">bool</span>()> limiter)</div>
|
|
<div class="line"><a name="l04218"></a><span class="lineno"> 4218</span>  : SearchLimit(s), limiter_(std::move(limiter)) {}</div>
|
|
<div class="line"><a name="l04219"></a><span class="lineno"> 4219</span>  </div>
|
|
<div class="line"><a name="l04220"></a><span class="lineno"> 4220</span> <span class="keywordtype">bool</span> CustomLimit::Check() {</div>
|
|
<div class="line"><a name="l04221"></a><span class="lineno"> 4221</span>  <span class="keywordflow">if</span> (limiter_) <span class="keywordflow">return</span> limiter_();</div>
|
|
<div class="line"><a name="l04222"></a><span class="lineno"> 4222</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l04223"></a><span class="lineno"> 4223</span> }</div>
|
|
<div class="line"><a name="l04224"></a><span class="lineno"> 4224</span>  </div>
|
|
<div class="line"><a name="l04225"></a><span class="lineno"> 4225</span> <span class="keywordtype">void</span> CustomLimit::Init() {}</div>
|
|
<div class="line"><a name="l04226"></a><span class="lineno"> 4226</span>  </div>
|
|
<div class="line"><a name="l04227"></a><span class="lineno"> 4227</span> <span class="keywordtype">void</span> CustomLimit::Copy(<span class="keyword">const</span> SearchLimit* <span class="keyword">const</span> limit) {</div>
|
|
<div class="line"><a name="l04228"></a><span class="lineno"> 4228</span>  <span class="keyword">const</span> CustomLimit* <span class="keyword">const</span> custom =</div>
|
|
<div class="line"><a name="l04229"></a><span class="lineno"> 4229</span>  <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>CustomLimit* const<span class="keyword">></span>(limit);</div>
|
|
<div class="line"><a name="l04230"></a><span class="lineno"> 4230</span>  limiter_ = custom->limiter_;</div>
|
|
<div class="line"><a name="l04231"></a><span class="lineno"> 4231</span> }</div>
|
|
<div class="line"><a name="l04232"></a><span class="lineno"> 4232</span>  </div>
|
|
<div class="line"><a name="l04233"></a><span class="lineno"> 4233</span> SearchLimit* CustomLimit::MakeClone()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l04234"></a><span class="lineno"> 4234</span>  <span class="keywordflow">return</span> solver()->RevAlloc(<span class="keyword">new</span> CustomLimit(solver(), limiter_));</div>
|
|
<div class="line"><a name="l04235"></a><span class="lineno"> 4235</span> }</div>
|
|
<div class="line"><a name="l04236"></a><span class="lineno"> 4236</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l04237"></a><span class="lineno"> 4237</span>  </div>
|
|
<div class="line"><a name="l04238"></a><span class="lineno"> 4238</span> SearchLimit* Solver::MakeCustomLimit(std::function<<span class="keywordtype">bool</span>()> limiter) {</div>
|
|
<div class="line"><a name="l04239"></a><span class="lineno"> 4239</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> CustomLimit(<span class="keyword">this</span>, std::move(limiter)));</div>
|
|
<div class="line"><a name="l04240"></a><span class="lineno"> 4240</span> }</div>
|
|
<div class="line"><a name="l04241"></a><span class="lineno"> 4241</span>  </div>
|
|
<div class="line"><a name="l04242"></a><span class="lineno"> 4242</span> <span class="comment">// ---------- SolveOnce ----------</span></div>
|
|
<div class="line"><a name="l04243"></a><span class="lineno"> 4243</span>  </div>
|
|
<div class="line"><a name="l04244"></a><span class="lineno"> 4244</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l04245"></a><span class="lineno"> 4245</span> <span class="keyword">class </span>SolveOnce : <span class="keyword">public</span> DecisionBuilder {</div>
|
|
<div class="line"><a name="l04246"></a><span class="lineno"> 4246</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l04247"></a><span class="lineno"> 4247</span>  <span class="keyword">explicit</span> SolveOnce(DecisionBuilder* <span class="keyword">const</span> db) : db_(db) {</div>
|
|
<div class="line"><a name="l04248"></a><span class="lineno"> 4248</span>  CHECK(db != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04249"></a><span class="lineno"> 4249</span>  }</div>
|
|
<div class="line"><a name="l04250"></a><span class="lineno"> 4250</span>  </div>
|
|
<div class="line"><a name="l04251"></a><span class="lineno"> 4251</span>  SolveOnce(DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l04252"></a><span class="lineno"> 4252</span>  <span class="keyword">const</span> std::vector<SearchMonitor*>& monitors)</div>
|
|
<div class="line"><a name="l04253"></a><span class="lineno"> 4253</span>  : db_(db), monitors_(monitors) {</div>
|
|
<div class="line"><a name="l04254"></a><span class="lineno"> 4254</span>  CHECK(db != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04255"></a><span class="lineno"> 4255</span>  }</div>
|
|
<div class="line"><a name="l04256"></a><span class="lineno"> 4256</span>  </div>
|
|
<div class="line"><a name="l04257"></a><span class="lineno"> 4257</span>  ~SolveOnce()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l04258"></a><span class="lineno"> 4258</span>  </div>
|
|
<div class="line"><a name="l04259"></a><span class="lineno"> 4259</span>  Decision* Next(Solver* s)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04260"></a><span class="lineno"> 4260</span>  <span class="keywordtype">bool</span> res = s->SolveAndCommit(db_, monitors_);</div>
|
|
<div class="line"><a name="l04261"></a><span class="lineno"> 4261</span>  <span class="keywordflow">if</span> (!res) {</div>
|
|
<div class="line"><a name="l04262"></a><span class="lineno"> 4262</span>  s->Fail();</div>
|
|
<div class="line"><a name="l04263"></a><span class="lineno"> 4263</span>  }</div>
|
|
<div class="line"><a name="l04264"></a><span class="lineno"> 4264</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l04265"></a><span class="lineno"> 4265</span>  }</div>
|
|
<div class="line"><a name="l04266"></a><span class="lineno"> 4266</span>  </div>
|
|
<div class="line"><a name="l04267"></a><span class="lineno"> 4267</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l04268"></a><span class="lineno"> 4268</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"SolveOnce(%s)"</span>, db_->DebugString());</div>
|
|
<div class="line"><a name="l04269"></a><span class="lineno"> 4269</span>  }</div>
|
|
<div class="line"><a name="l04270"></a><span class="lineno"> 4270</span>  </div>
|
|
<div class="line"><a name="l04271"></a><span class="lineno"> 4271</span>  <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l04272"></a><span class="lineno"> 4272</span>  db_->Accept(visitor);</div>
|
|
<div class="line"><a name="l04273"></a><span class="lineno"> 4273</span>  }</div>
|
|
<div class="line"><a name="l04274"></a><span class="lineno"> 4274</span>  </div>
|
|
<div class="line"><a name="l04275"></a><span class="lineno"> 4275</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l04276"></a><span class="lineno"> 4276</span>  DecisionBuilder* <span class="keyword">const</span> db_;</div>
|
|
<div class="line"><a name="l04277"></a><span class="lineno"> 4277</span>  std::vector<SearchMonitor*> monitors_;</div>
|
|
<div class="line"><a name="l04278"></a><span class="lineno"> 4278</span> };</div>
|
|
<div class="line"><a name="l04279"></a><span class="lineno"> 4279</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l04280"></a><span class="lineno"> 4280</span>  </div>
|
|
<div class="line"><a name="l04281"></a><span class="lineno"> 4281</span> DecisionBuilder* Solver::MakeSolveOnce(DecisionBuilder* <span class="keyword">const</span> db) {</div>
|
|
<div class="line"><a name="l04282"></a><span class="lineno"> 4282</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SolveOnce(db));</div>
|
|
<div class="line"><a name="l04283"></a><span class="lineno"> 4283</span> }</div>
|
|
<div class="line"><a name="l04284"></a><span class="lineno"> 4284</span>  </div>
|
|
<div class="line"><a name="l04285"></a><span class="lineno"> 4285</span> DecisionBuilder* Solver::MakeSolveOnce(DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l04286"></a><span class="lineno"> 4286</span>  SearchMonitor* <span class="keyword">const</span> monitor1) {</div>
|
|
<div class="line"><a name="l04287"></a><span class="lineno"> 4287</span>  std::vector<SearchMonitor*> monitors;</div>
|
|
<div class="line"><a name="l04288"></a><span class="lineno"> 4288</span>  monitors.push_back(monitor1);</div>
|
|
<div class="line"><a name="l04289"></a><span class="lineno"> 4289</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SolveOnce(db, monitors));</div>
|
|
<div class="line"><a name="l04290"></a><span class="lineno"> 4290</span> }</div>
|
|
<div class="line"><a name="l04291"></a><span class="lineno"> 4291</span>  </div>
|
|
<div class="line"><a name="l04292"></a><span class="lineno"> 4292</span> DecisionBuilder* Solver::MakeSolveOnce(DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l04293"></a><span class="lineno"> 4293</span>  SearchMonitor* <span class="keyword">const</span> monitor1,</div>
|
|
<div class="line"><a name="l04294"></a><span class="lineno"> 4294</span>  SearchMonitor* <span class="keyword">const</span> monitor2) {</div>
|
|
<div class="line"><a name="l04295"></a><span class="lineno"> 4295</span>  std::vector<SearchMonitor*> monitors;</div>
|
|
<div class="line"><a name="l04296"></a><span class="lineno"> 4296</span>  monitors.push_back(monitor1);</div>
|
|
<div class="line"><a name="l04297"></a><span class="lineno"> 4297</span>  monitors.push_back(monitor2);</div>
|
|
<div class="line"><a name="l04298"></a><span class="lineno"> 4298</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SolveOnce(db, monitors));</div>
|
|
<div class="line"><a name="l04299"></a><span class="lineno"> 4299</span> }</div>
|
|
<div class="line"><a name="l04300"></a><span class="lineno"> 4300</span>  </div>
|
|
<div class="line"><a name="l04301"></a><span class="lineno"> 4301</span> DecisionBuilder* Solver::MakeSolveOnce(DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l04302"></a><span class="lineno"> 4302</span>  SearchMonitor* <span class="keyword">const</span> monitor1,</div>
|
|
<div class="line"><a name="l04303"></a><span class="lineno"> 4303</span>  SearchMonitor* <span class="keyword">const</span> monitor2,</div>
|
|
<div class="line"><a name="l04304"></a><span class="lineno"> 4304</span>  SearchMonitor* <span class="keyword">const</span> monitor3) {</div>
|
|
<div class="line"><a name="l04305"></a><span class="lineno"> 4305</span>  std::vector<SearchMonitor*> monitors;</div>
|
|
<div class="line"><a name="l04306"></a><span class="lineno"> 4306</span>  monitors.push_back(monitor1);</div>
|
|
<div class="line"><a name="l04307"></a><span class="lineno"> 4307</span>  monitors.push_back(monitor2);</div>
|
|
<div class="line"><a name="l04308"></a><span class="lineno"> 4308</span>  monitors.push_back(monitor3);</div>
|
|
<div class="line"><a name="l04309"></a><span class="lineno"> 4309</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SolveOnce(db, monitors));</div>
|
|
<div class="line"><a name="l04310"></a><span class="lineno"> 4310</span> }</div>
|
|
<div class="line"><a name="l04311"></a><span class="lineno"> 4311</span>  </div>
|
|
<div class="line"><a name="l04312"></a><span class="lineno"> 4312</span> DecisionBuilder* Solver::MakeSolveOnce(DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l04313"></a><span class="lineno"> 4313</span>  SearchMonitor* <span class="keyword">const</span> monitor1,</div>
|
|
<div class="line"><a name="l04314"></a><span class="lineno"> 4314</span>  SearchMonitor* <span class="keyword">const</span> monitor2,</div>
|
|
<div class="line"><a name="l04315"></a><span class="lineno"> 4315</span>  SearchMonitor* <span class="keyword">const</span> monitor3,</div>
|
|
<div class="line"><a name="l04316"></a><span class="lineno"> 4316</span>  SearchMonitor* <span class="keyword">const</span> monitor4) {</div>
|
|
<div class="line"><a name="l04317"></a><span class="lineno"> 4317</span>  std::vector<SearchMonitor*> monitors;</div>
|
|
<div class="line"><a name="l04318"></a><span class="lineno"> 4318</span>  monitors.push_back(monitor1);</div>
|
|
<div class="line"><a name="l04319"></a><span class="lineno"> 4319</span>  monitors.push_back(monitor2);</div>
|
|
<div class="line"><a name="l04320"></a><span class="lineno"> 4320</span>  monitors.push_back(monitor3);</div>
|
|
<div class="line"><a name="l04321"></a><span class="lineno"> 4321</span>  monitors.push_back(monitor4);</div>
|
|
<div class="line"><a name="l04322"></a><span class="lineno"> 4322</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SolveOnce(db, monitors));</div>
|
|
<div class="line"><a name="l04323"></a><span class="lineno"> 4323</span> }</div>
|
|
<div class="line"><a name="l04324"></a><span class="lineno"> 4324</span>  </div>
|
|
<div class="line"><a name="l04325"></a><span class="lineno"> 4325</span> DecisionBuilder* Solver::MakeSolveOnce(</div>
|
|
<div class="line"><a name="l04326"></a><span class="lineno"> 4326</span>  DecisionBuilder* <span class="keyword">const</span> db, <span class="keyword">const</span> std::vector<SearchMonitor*>& monitors) {</div>
|
|
<div class="line"><a name="l04327"></a><span class="lineno"> 4327</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SolveOnce(db, monitors));</div>
|
|
<div class="line"><a name="l04328"></a><span class="lineno"> 4328</span> }</div>
|
|
<div class="line"><a name="l04329"></a><span class="lineno"> 4329</span>  </div>
|
|
<div class="line"><a name="l04330"></a><span class="lineno"> 4330</span> <span class="comment">// ---------- NestedOptimize ----------</span></div>
|
|
<div class="line"><a name="l04331"></a><span class="lineno"> 4331</span>  </div>
|
|
<div class="line"><a name="l04332"></a><span class="lineno"> 4332</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l04333"></a><span class="lineno"> 4333</span> <span class="keyword">class </span>NestedOptimize : <span class="keyword">public</span> DecisionBuilder {</div>
|
|
<div class="line"><a name="l04334"></a><span class="lineno"> 4334</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l04335"></a><span class="lineno"> 4335</span>  NestedOptimize(DecisionBuilder* <span class="keyword">const</span> db, Assignment* <span class="keyword">const</span> solution,</div>
|
|
<div class="line"><a name="l04336"></a><span class="lineno"> 4336</span>  <span class="keywordtype">bool</span> maximize, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step)</div>
|
|
<div class="line"><a name="l04337"></a><span class="lineno"> 4337</span>  : db_(db),</div>
|
|
<div class="line"><a name="l04338"></a><span class="lineno"> 4338</span>  solution_(solution),</div>
|
|
<div class="line"><a name="l04339"></a><span class="lineno"> 4339</span>  <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>(maximize),</div>
|
|
<div class="line"><a name="l04340"></a><span class="lineno"> 4340</span>  <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>(step),</div>
|
|
<div class="line"><a name="l04341"></a><span class="lineno"> 4341</span>  collector_(nullptr) {</div>
|
|
<div class="line"><a name="l04342"></a><span class="lineno"> 4342</span>  CHECK(db != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04343"></a><span class="lineno"> 4343</span>  CHECK(solution != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04344"></a><span class="lineno"> 4344</span>  CHECK(solution->HasObjective());</div>
|
|
<div class="line"><a name="l04345"></a><span class="lineno"> 4345</span>  AddMonitors();</div>
|
|
<div class="line"><a name="l04346"></a><span class="lineno"> 4346</span>  }</div>
|
|
<div class="line"><a name="l04347"></a><span class="lineno"> 4347</span>  </div>
|
|
<div class="line"><a name="l04348"></a><span class="lineno"> 4348</span>  NestedOptimize(DecisionBuilder* <span class="keyword">const</span> db, Assignment* <span class="keyword">const</span> solution,</div>
|
|
<div class="line"><a name="l04349"></a><span class="lineno"> 4349</span>  <span class="keywordtype">bool</span> maximize, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l04350"></a><span class="lineno"> 4350</span>  <span class="keyword">const</span> std::vector<SearchMonitor*>& monitors)</div>
|
|
<div class="line"><a name="l04351"></a><span class="lineno"> 4351</span>  : db_(db),</div>
|
|
<div class="line"><a name="l04352"></a><span class="lineno"> 4352</span>  solution_(solution),</div>
|
|
<div class="line"><a name="l04353"></a><span class="lineno"> 4353</span>  <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>(maximize),</div>
|
|
<div class="line"><a name="l04354"></a><span class="lineno"> 4354</span>  <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>(step),</div>
|
|
<div class="line"><a name="l04355"></a><span class="lineno"> 4355</span>  monitors_(monitors),</div>
|
|
<div class="line"><a name="l04356"></a><span class="lineno"> 4356</span>  collector_(nullptr) {</div>
|
|
<div class="line"><a name="l04357"></a><span class="lineno"> 4357</span>  CHECK(db != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04358"></a><span class="lineno"> 4358</span>  CHECK(solution != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04359"></a><span class="lineno"> 4359</span>  CHECK(solution->HasObjective());</div>
|
|
<div class="line"><a name="l04360"></a><span class="lineno"> 4360</span>  AddMonitors();</div>
|
|
<div class="line"><a name="l04361"></a><span class="lineno"> 4361</span>  }</div>
|
|
<div class="line"><a name="l04362"></a><span class="lineno"> 4362</span>  </div>
|
|
<div class="line"><a name="l04363"></a><span class="lineno"> 4363</span>  <span class="keywordtype">void</span> AddMonitors() {</div>
|
|
<div class="line"><a name="l04364"></a><span class="lineno"> 4364</span>  Solver* <span class="keyword">const</span> solver = solution_->solver();</div>
|
|
<div class="line"><a name="l04365"></a><span class="lineno"> 4365</span>  collector_ = solver->MakeLastSolutionCollector(solution_);</div>
|
|
<div class="line"><a name="l04366"></a><span class="lineno"> 4366</span>  monitors_.push_back(collector_);</div>
|
|
<div class="line"><a name="l04367"></a><span class="lineno"> 4367</span>  OptimizeVar* <span class="keyword">const</span> optimize =</div>
|
|
<div class="line"><a name="l04368"></a><span class="lineno"> 4368</span>  solver->MakeOptimize(<a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>, solution_->Objective(), <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>);</div>
|
|
<div class="line"><a name="l04369"></a><span class="lineno"> 4369</span>  monitors_.push_back(optimize);</div>
|
|
<div class="line"><a name="l04370"></a><span class="lineno"> 4370</span>  }</div>
|
|
<div class="line"><a name="l04371"></a><span class="lineno"> 4371</span>  </div>
|
|
<div class="line"><a name="l04372"></a><span class="lineno"> 4372</span>  Decision* Next(Solver* solver)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04373"></a><span class="lineno"> 4373</span>  solver->Solve(db_, monitors_);</div>
|
|
<div class="line"><a name="l04374"></a><span class="lineno"> 4374</span>  <span class="keywordflow">if</span> (collector_->solution_count() == 0) {</div>
|
|
<div class="line"><a name="l04375"></a><span class="lineno"> 4375</span>  solver->Fail();</div>
|
|
<div class="line"><a name="l04376"></a><span class="lineno"> 4376</span>  }</div>
|
|
<div class="line"><a name="l04377"></a><span class="lineno"> 4377</span>  collector_->solution(0)->Restore();</div>
|
|
<div class="line"><a name="l04378"></a><span class="lineno"> 4378</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l04379"></a><span class="lineno"> 4379</span>  }</div>
|
|
<div class="line"><a name="l04380"></a><span class="lineno"> 4380</span>  </div>
|
|
<div class="line"><a name="l04381"></a><span class="lineno"> 4381</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l04382"></a><span class="lineno"> 4382</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"NestedOptimize(db = %s, maximize = %d, step = %d)"</span>,</div>
|
|
<div class="line"><a name="l04383"></a><span class="lineno"> 4383</span>  db_->DebugString(), <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>, <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>);</div>
|
|
<div class="line"><a name="l04384"></a><span class="lineno"> 4384</span>  }</div>
|
|
<div class="line"><a name="l04385"></a><span class="lineno"> 4385</span>  </div>
|
|
<div class="line"><a name="l04386"></a><span class="lineno"> 4386</span>  <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l04387"></a><span class="lineno"> 4387</span>  db_->Accept(visitor);</div>
|
|
<div class="line"><a name="l04388"></a><span class="lineno"> 4388</span>  }</div>
|
|
<div class="line"><a name="l04389"></a><span class="lineno"> 4389</span>  </div>
|
|
<div class="line"><a name="l04390"></a><span class="lineno"> 4390</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l04391"></a><span class="lineno"> 4391</span>  DecisionBuilder* <span class="keyword">const</span> db_;</div>
|
|
<div class="line"><a name="l04392"></a><span class="lineno"> 4392</span>  Assignment* <span class="keyword">const</span> solution_;</div>
|
|
<div class="line"><a name="l04393"></a><span class="lineno"> 4393</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code" href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a>;</div>
|
|
<div class="line"><a name="l04394"></a><span class="lineno"> 4394</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a>;</div>
|
|
<div class="line"><a name="l04395"></a><span class="lineno"> 4395</span>  std::vector<SearchMonitor*> monitors_;</div>
|
|
<div class="line"><a name="l04396"></a><span class="lineno"> 4396</span>  SolutionCollector* collector_;</div>
|
|
<div class="line"><a name="l04397"></a><span class="lineno"> 4397</span> };</div>
|
|
<div class="line"><a name="l04398"></a><span class="lineno"> 4398</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l04399"></a><span class="lineno"> 4399</span>  </div>
|
|
<div class="line"><a name="l04400"></a><span class="lineno"> 4400</span> DecisionBuilder* Solver::MakeNestedOptimize(DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l04401"></a><span class="lineno"> 4401</span>  Assignment* <span class="keyword">const</span> solution,</div>
|
|
<div class="line"><a name="l04402"></a><span class="lineno"> 4402</span>  <span class="keywordtype">bool</span> maximize, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step) {</div>
|
|
<div class="line"><a name="l04403"></a><span class="lineno"> 4403</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> NestedOptimize(db, solution, maximize, step));</div>
|
|
<div class="line"><a name="l04404"></a><span class="lineno"> 4404</span> }</div>
|
|
<div class="line"><a name="l04405"></a><span class="lineno"> 4405</span>  </div>
|
|
<div class="line"><a name="l04406"></a><span class="lineno"> 4406</span> DecisionBuilder* Solver::MakeNestedOptimize(DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l04407"></a><span class="lineno"> 4407</span>  Assignment* <span class="keyword">const</span> solution,</div>
|
|
<div class="line"><a name="l04408"></a><span class="lineno"> 4408</span>  <span class="keywordtype">bool</span> maximize, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l04409"></a><span class="lineno"> 4409</span>  SearchMonitor* <span class="keyword">const</span> monitor1) {</div>
|
|
<div class="line"><a name="l04410"></a><span class="lineno"> 4410</span>  std::vector<SearchMonitor*> monitors;</div>
|
|
<div class="line"><a name="l04411"></a><span class="lineno"> 4411</span>  monitors.push_back(monitor1);</div>
|
|
<div class="line"><a name="l04412"></a><span class="lineno"> 4412</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> NestedOptimize(db, solution, maximize, step, monitors));</div>
|
|
<div class="line"><a name="l04413"></a><span class="lineno"> 4413</span> }</div>
|
|
<div class="line"><a name="l04414"></a><span class="lineno"> 4414</span>  </div>
|
|
<div class="line"><a name="l04415"></a><span class="lineno"> 4415</span> DecisionBuilder* Solver::MakeNestedOptimize(DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l04416"></a><span class="lineno"> 4416</span>  Assignment* <span class="keyword">const</span> solution,</div>
|
|
<div class="line"><a name="l04417"></a><span class="lineno"> 4417</span>  <span class="keywordtype">bool</span> maximize, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l04418"></a><span class="lineno"> 4418</span>  SearchMonitor* <span class="keyword">const</span> monitor1,</div>
|
|
<div class="line"><a name="l04419"></a><span class="lineno"> 4419</span>  SearchMonitor* <span class="keyword">const</span> monitor2) {</div>
|
|
<div class="line"><a name="l04420"></a><span class="lineno"> 4420</span>  std::vector<SearchMonitor*> monitors;</div>
|
|
<div class="line"><a name="l04421"></a><span class="lineno"> 4421</span>  monitors.push_back(monitor1);</div>
|
|
<div class="line"><a name="l04422"></a><span class="lineno"> 4422</span>  monitors.push_back(monitor2);</div>
|
|
<div class="line"><a name="l04423"></a><span class="lineno"> 4423</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> NestedOptimize(db, solution, maximize, step, monitors));</div>
|
|
<div class="line"><a name="l04424"></a><span class="lineno"> 4424</span> }</div>
|
|
<div class="line"><a name="l04425"></a><span class="lineno"> 4425</span>  </div>
|
|
<div class="line"><a name="l04426"></a><span class="lineno"> 4426</span> DecisionBuilder* Solver::MakeNestedOptimize(DecisionBuilder* <span class="keyword">const</span> db,</div>
|
|
<div class="line"><a name="l04427"></a><span class="lineno"> 4427</span>  Assignment* <span class="keyword">const</span> solution,</div>
|
|
<div class="line"><a name="l04428"></a><span class="lineno"> 4428</span>  <span class="keywordtype">bool</span> maximize, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step,</div>
|
|
<div class="line"><a name="l04429"></a><span class="lineno"> 4429</span>  SearchMonitor* <span class="keyword">const</span> monitor1,</div>
|
|
<div class="line"><a name="l04430"></a><span class="lineno"> 4430</span>  SearchMonitor* <span class="keyword">const</span> monitor2,</div>
|
|
<div class="line"><a name="l04431"></a><span class="lineno"> 4431</span>  SearchMonitor* <span class="keyword">const</span> monitor3) {</div>
|
|
<div class="line"><a name="l04432"></a><span class="lineno"> 4432</span>  std::vector<SearchMonitor*> monitors;</div>
|
|
<div class="line"><a name="l04433"></a><span class="lineno"> 4433</span>  monitors.push_back(monitor1);</div>
|
|
<div class="line"><a name="l04434"></a><span class="lineno"> 4434</span>  monitors.push_back(monitor2);</div>
|
|
<div class="line"><a name="l04435"></a><span class="lineno"> 4435</span>  monitors.push_back(monitor3);</div>
|
|
<div class="line"><a name="l04436"></a><span class="lineno"> 4436</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> NestedOptimize(db, solution, maximize, step, monitors));</div>
|
|
<div class="line"><a name="l04437"></a><span class="lineno"> 4437</span> }</div>
|
|
<div class="line"><a name="l04438"></a><span class="lineno"> 4438</span>  </div>
|
|
<div class="line"><a name="l04439"></a><span class="lineno"> 4439</span> DecisionBuilder* Solver::MakeNestedOptimize(</div>
|
|
<div class="line"><a name="l04440"></a><span class="lineno"> 4440</span>  DecisionBuilder* <span class="keyword">const</span> db, Assignment* <span class="keyword">const</span> solution, <span class="keywordtype">bool</span> maximize,</div>
|
|
<div class="line"><a name="l04441"></a><span class="lineno"> 4441</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step, SearchMonitor* <span class="keyword">const</span> monitor1, SearchMonitor* <span class="keyword">const</span> monitor2,</div>
|
|
<div class="line"><a name="l04442"></a><span class="lineno"> 4442</span>  SearchMonitor* <span class="keyword">const</span> monitor3, SearchMonitor* <span class="keyword">const</span> monitor4) {</div>
|
|
<div class="line"><a name="l04443"></a><span class="lineno"> 4443</span>  std::vector<SearchMonitor*> monitors;</div>
|
|
<div class="line"><a name="l04444"></a><span class="lineno"> 4444</span>  monitors.push_back(monitor1);</div>
|
|
<div class="line"><a name="l04445"></a><span class="lineno"> 4445</span>  monitors.push_back(monitor2);</div>
|
|
<div class="line"><a name="l04446"></a><span class="lineno"> 4446</span>  monitors.push_back(monitor3);</div>
|
|
<div class="line"><a name="l04447"></a><span class="lineno"> 4447</span>  monitors.push_back(monitor4);</div>
|
|
<div class="line"><a name="l04448"></a><span class="lineno"> 4448</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> NestedOptimize(db, solution, maximize, step, monitors));</div>
|
|
<div class="line"><a name="l04449"></a><span class="lineno"> 4449</span> }</div>
|
|
<div class="line"><a name="l04450"></a><span class="lineno"> 4450</span>  </div>
|
|
<div class="line"><a name="l04451"></a><span class="lineno"> 4451</span> DecisionBuilder* Solver::MakeNestedOptimize(</div>
|
|
<div class="line"><a name="l04452"></a><span class="lineno"> 4452</span>  DecisionBuilder* <span class="keyword">const</span> db, Assignment* <span class="keyword">const</span> solution, <span class="keywordtype">bool</span> maximize,</div>
|
|
<div class="line"><a name="l04453"></a><span class="lineno"> 4453</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> step, <span class="keyword">const</span> std::vector<SearchMonitor*>& monitors) {</div>
|
|
<div class="line"><a name="l04454"></a><span class="lineno"> 4454</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> NestedOptimize(db, solution, maximize, step, monitors));</div>
|
|
<div class="line"><a name="l04455"></a><span class="lineno"> 4455</span> }</div>
|
|
<div class="line"><a name="l04456"></a><span class="lineno"> 4456</span>  </div>
|
|
<div class="line"><a name="l04457"></a><span class="lineno"> 4457</span> <span class="comment">// ---------- Restart ----------</span></div>
|
|
<div class="line"><a name="l04458"></a><span class="lineno"> 4458</span>  </div>
|
|
<div class="line"><a name="l04459"></a><span class="lineno"> 4459</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l04460"></a><span class="lineno"> 4460</span> <span class="comment">// Luby Strategy</span></div>
|
|
<div class="line"><a name="l04461"></a><span class="lineno"> 4461</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> NextLuby(<span class="keywordtype">int</span> i) {</div>
|
|
<div class="line"><a name="l04462"></a><span class="lineno"> 4462</span>  DCHECK_GT(i, 0);</div>
|
|
<div class="line"><a name="l04463"></a><span class="lineno"> 4463</span>  DCHECK_LT(i, <a class="code" href="integral__types_8h.html#ab0cfc59ab5792086f6f8b9234320fd33">kint32max</a>);</div>
|
|
<div class="line"><a name="l04464"></a><span class="lineno"> 4464</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> power;</div>
|
|
<div class="line"><a name="l04465"></a><span class="lineno"> 4465</span>  </div>
|
|
<div class="line"><a name="l04466"></a><span class="lineno"> 4466</span>  <span class="comment">// let's find the least power of 2 >= (i+1).</span></div>
|
|
<div class="line"><a name="l04467"></a><span class="lineno"> 4467</span>  power = 2;</div>
|
|
<div class="line"><a name="l04468"></a><span class="lineno"> 4468</span>  <span class="comment">// Cannot overflow, because bounded by kint32max + 1.</span></div>
|
|
<div class="line"><a name="l04469"></a><span class="lineno"> 4469</span>  <span class="keywordflow">while</span> (power < (i + 1)) {</div>
|
|
<div class="line"><a name="l04470"></a><span class="lineno"> 4470</span>  power <<= 1;</div>
|
|
<div class="line"><a name="l04471"></a><span class="lineno"> 4471</span>  }</div>
|
|
<div class="line"><a name="l04472"></a><span class="lineno"> 4472</span>  <span class="keywordflow">if</span> (power == i + 1) {</div>
|
|
<div class="line"><a name="l04473"></a><span class="lineno"> 4473</span>  <span class="keywordflow">return</span> (power / 2);</div>
|
|
<div class="line"><a name="l04474"></a><span class="lineno"> 4474</span>  }</div>
|
|
<div class="line"><a name="l04475"></a><span class="lineno"> 4475</span>  <span class="keywordflow">return</span> NextLuby(i - (power / 2) + 1);</div>
|
|
<div class="line"><a name="l04476"></a><span class="lineno"> 4476</span> }</div>
|
|
<div class="line"><a name="l04477"></a><span class="lineno"> 4477</span>  </div>
|
|
<div class="line"><a name="l04478"></a><span class="lineno"> 4478</span> <span class="keyword">class </span>LubyRestart : <span class="keyword">public</span> SearchMonitor {</div>
|
|
<div class="line"><a name="l04479"></a><span class="lineno"> 4479</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l04480"></a><span class="lineno"> 4480</span>  LubyRestart(Solver* <span class="keyword">const</span> s, <span class="keywordtype">int</span> scale_factor)</div>
|
|
<div class="line"><a name="l04481"></a><span class="lineno"> 4481</span>  : SearchMonitor(s),</div>
|
|
<div class="line"><a name="l04482"></a><span class="lineno"> 4482</span>  scale_factor_(scale_factor),</div>
|
|
<div class="line"><a name="l04483"></a><span class="lineno"> 4483</span>  iteration_(1),</div>
|
|
<div class="line"><a name="l04484"></a><span class="lineno"> 4484</span>  current_fails_(0),</div>
|
|
<div class="line"><a name="l04485"></a><span class="lineno"> 4485</span>  next_step_(scale_factor) {</div>
|
|
<div class="line"><a name="l04486"></a><span class="lineno"> 4486</span>  CHECK_GE(scale_factor, 1);</div>
|
|
<div class="line"><a name="l04487"></a><span class="lineno"> 4487</span>  }</div>
|
|
<div class="line"><a name="l04488"></a><span class="lineno"> 4488</span>  </div>
|
|
<div class="line"><a name="l04489"></a><span class="lineno"> 4489</span>  ~LubyRestart()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l04490"></a><span class="lineno"> 4490</span>  </div>
|
|
<div class="line"><a name="l04491"></a><span class="lineno"> 4491</span>  <span class="keywordtype">void</span> BeginFail()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04492"></a><span class="lineno"> 4492</span>  <span class="keywordflow">if</span> (++current_fails_ >= next_step_) {</div>
|
|
<div class="line"><a name="l04493"></a><span class="lineno"> 4493</span>  current_fails_ = 0;</div>
|
|
<div class="line"><a name="l04494"></a><span class="lineno"> 4494</span>  next_step_ = NextLuby(++iteration_) * scale_factor_;</div>
|
|
<div class="line"><a name="l04495"></a><span class="lineno"> 4495</span>  solver()->RestartCurrentSearch();</div>
|
|
<div class="line"><a name="l04496"></a><span class="lineno"> 4496</span>  }</div>
|
|
<div class="line"><a name="l04497"></a><span class="lineno"> 4497</span>  }</div>
|
|
<div class="line"><a name="l04498"></a><span class="lineno"> 4498</span>  </div>
|
|
<div class="line"><a name="l04499"></a><span class="lineno"> 4499</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l04500"></a><span class="lineno"> 4500</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"LubyRestart(%i)"</span>, scale_factor_);</div>
|
|
<div class="line"><a name="l04501"></a><span class="lineno"> 4501</span>  }</div>
|
|
<div class="line"><a name="l04502"></a><span class="lineno"> 4502</span>  </div>
|
|
<div class="line"><a name="l04503"></a><span class="lineno"> 4503</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l04504"></a><span class="lineno"> 4504</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> scale_factor_;</div>
|
|
<div class="line"><a name="l04505"></a><span class="lineno"> 4505</span>  <span class="keywordtype">int</span> iteration_;</div>
|
|
<div class="line"><a name="l04506"></a><span class="lineno"> 4506</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> current_fails_;</div>
|
|
<div class="line"><a name="l04507"></a><span class="lineno"> 4507</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> next_step_;</div>
|
|
<div class="line"><a name="l04508"></a><span class="lineno"> 4508</span> };</div>
|
|
<div class="line"><a name="l04509"></a><span class="lineno"> 4509</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l04510"></a><span class="lineno"> 4510</span>  </div>
|
|
<div class="line"><a name="l04511"></a><span class="lineno"> 4511</span> SearchMonitor* Solver::MakeLubyRestart(<span class="keywordtype">int</span> scale_factor) {</div>
|
|
<div class="line"><a name="l04512"></a><span class="lineno"> 4512</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> LubyRestart(<span class="keyword">this</span>, scale_factor));</div>
|
|
<div class="line"><a name="l04513"></a><span class="lineno"> 4513</span> }</div>
|
|
<div class="line"><a name="l04514"></a><span class="lineno"> 4514</span>  </div>
|
|
<div class="line"><a name="l04515"></a><span class="lineno"> 4515</span> <span class="comment">// ----- Constant Restart -----</span></div>
|
|
<div class="line"><a name="l04516"></a><span class="lineno"> 4516</span>  </div>
|
|
<div class="line"><a name="l04517"></a><span class="lineno"> 4517</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l04518"></a><span class="lineno"> 4518</span> <span class="keyword">class </span>ConstantRestart : <span class="keyword">public</span> SearchMonitor {</div>
|
|
<div class="line"><a name="l04519"></a><span class="lineno"> 4519</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l04520"></a><span class="lineno"> 4520</span>  ConstantRestart(Solver* <span class="keyword">const</span> s, <span class="keywordtype">int</span> frequency)</div>
|
|
<div class="line"><a name="l04521"></a><span class="lineno"> 4521</span>  : SearchMonitor(s), frequency_(frequency), current_fails_(0) {</div>
|
|
<div class="line"><a name="l04522"></a><span class="lineno"> 4522</span>  CHECK_GE(frequency, 1);</div>
|
|
<div class="line"><a name="l04523"></a><span class="lineno"> 4523</span>  }</div>
|
|
<div class="line"><a name="l04524"></a><span class="lineno"> 4524</span>  </div>
|
|
<div class="line"><a name="l04525"></a><span class="lineno"> 4525</span>  ~ConstantRestart()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l04526"></a><span class="lineno"> 4526</span>  </div>
|
|
<div class="line"><a name="l04527"></a><span class="lineno"> 4527</span>  <span class="keywordtype">void</span> BeginFail()<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04528"></a><span class="lineno"> 4528</span>  <span class="keywordflow">if</span> (++current_fails_ >= frequency_) {</div>
|
|
<div class="line"><a name="l04529"></a><span class="lineno"> 4529</span>  current_fails_ = 0;</div>
|
|
<div class="line"><a name="l04530"></a><span class="lineno"> 4530</span>  solver()->RestartCurrentSearch();</div>
|
|
<div class="line"><a name="l04531"></a><span class="lineno"> 4531</span>  }</div>
|
|
<div class="line"><a name="l04532"></a><span class="lineno"> 4532</span>  }</div>
|
|
<div class="line"><a name="l04533"></a><span class="lineno"> 4533</span>  </div>
|
|
<div class="line"><a name="l04534"></a><span class="lineno"> 4534</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l04535"></a><span class="lineno"> 4535</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"ConstantRestart(%i)"</span>, frequency_);</div>
|
|
<div class="line"><a name="l04536"></a><span class="lineno"> 4536</span>  }</div>
|
|
<div class="line"><a name="l04537"></a><span class="lineno"> 4537</span>  </div>
|
|
<div class="line"><a name="l04538"></a><span class="lineno"> 4538</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l04539"></a><span class="lineno"> 4539</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> frequency_;</div>
|
|
<div class="line"><a name="l04540"></a><span class="lineno"> 4540</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> current_fails_;</div>
|
|
<div class="line"><a name="l04541"></a><span class="lineno"> 4541</span> };</div>
|
|
<div class="line"><a name="l04542"></a><span class="lineno"> 4542</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l04543"></a><span class="lineno"> 4543</span>  </div>
|
|
<div class="line"><a name="l04544"></a><span class="lineno"> 4544</span> SearchMonitor* Solver::MakeConstantRestart(<span class="keywordtype">int</span> frequency) {</div>
|
|
<div class="line"><a name="l04545"></a><span class="lineno"> 4545</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> ConstantRestart(<span class="keyword">this</span>, frequency));</div>
|
|
<div class="line"><a name="l04546"></a><span class="lineno"> 4546</span> }</div>
|
|
<div class="line"><a name="l04547"></a><span class="lineno"> 4547</span>  </div>
|
|
<div class="line"><a name="l04548"></a><span class="lineno"> 4548</span> <span class="comment">// ---------- Symmetry Breaking ----------</span></div>
|
|
<div class="line"><a name="l04549"></a><span class="lineno"> 4549</span>  </div>
|
|
<div class="line"><a name="l04550"></a><span class="lineno"> 4550</span> <span class="comment">// The symmetry manager maintains a list of problem symmetries. Each</span></div>
|
|
<div class="line"><a name="l04551"></a><span class="lineno"> 4551</span> <span class="comment">// symmetry is called on each decision and should return a term</span></div>
|
|
<div class="line"><a name="l04552"></a><span class="lineno"> 4552</span> <span class="comment">// representing the boolean status of the symmetrical decision.</span></div>
|
|
<div class="line"><a name="l04553"></a><span class="lineno"> 4553</span> <span class="comment">// e.g. : the decision is x == 3, the symmetrical decision is y == 5</span></div>
|
|
<div class="line"><a name="l04554"></a><span class="lineno"> 4554</span> <span class="comment">// then the symmetry breaker should use</span></div>
|
|
<div class="line"><a name="l04555"></a><span class="lineno"> 4555</span> <span class="comment">// AddIntegerVariableEqualValueClause(y, 5). Once this is done, upon</span></div>
|
|
<div class="line"><a name="l04556"></a><span class="lineno"> 4556</span> <span class="comment">// refutation, for each symmetry breaker, the system adds a constraint</span></div>
|
|
<div class="line"><a name="l04557"></a><span class="lineno"> 4557</span> <span class="comment">// that will forbid the symmetrical variation of the current explored</span></div>
|
|
<div class="line"><a name="l04558"></a><span class="lineno"> 4558</span> <span class="comment">// search tree. This constraint can be expressed very simply just by</span></div>
|
|
<div class="line"><a name="l04559"></a><span class="lineno"> 4559</span> <span class="comment">// keeping the list of current symmetrical decisions.</span></div>
|
|
<div class="line"><a name="l04560"></a><span class="lineno"> 4560</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l04561"></a><span class="lineno"> 4561</span> <span class="comment">// This is called Symmetry Breaking During Search (Ian Gent, Barbara</span></div>
|
|
<div class="line"><a name="l04562"></a><span class="lineno"> 4562</span> <span class="comment">// Smith, ECAI 2000).</span></div>
|
|
<div class="line"><a name="l04563"></a><span class="lineno"> 4563</span> <span class="comment">// http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.42.3788&rep=rep1&type=pdf</span></div>
|
|
<div class="line"><a name="l04564"></a><span class="lineno"> 4564</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l04565"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_manager.html"> 4565</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_symmetry_manager.html">SymmetryManager</a> : <span class="keyword">public</span> SearchMonitor {</div>
|
|
<div class="line"><a name="l04566"></a><span class="lineno"> 4566</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l04567"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_manager.html#ad1f8b885a5d59a739830606d23ab6ade"> 4567</a></span>  <a class="code" href="classoperations__research_1_1_symmetry_manager.html#ad1f8b885a5d59a739830606d23ab6ade">SymmetryManager</a>(Solver* <span class="keyword">const</span> s,</div>
|
|
<div class="line"><a name="l04568"></a><span class="lineno"> 4568</span>  <span class="keyword">const</span> std::vector<SymmetryBreaker*>& visitors)</div>
|
|
<div class="line"><a name="l04569"></a><span class="lineno"> 4569</span>  : SearchMonitor(s),</div>
|
|
<div class="line"><a name="l04570"></a><span class="lineno"> 4570</span>  visitors_(visitors),</div>
|
|
<div class="line"><a name="l04571"></a><span class="lineno"> 4571</span>  clauses_(visitors.size()),</div>
|
|
<div class="line"><a name="l04572"></a><span class="lineno"> 4572</span>  decisions_(visitors.size()),</div>
|
|
<div class="line"><a name="l04573"></a><span class="lineno"> 4573</span>  directions_(visitors.size()) { <span class="comment">// false = left.</span></div>
|
|
<div class="line"><a name="l04574"></a><span class="lineno"> 4574</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < visitors_.size(); ++i) {</div>
|
|
<div class="line"><a name="l04575"></a><span class="lineno"> 4575</span>  visitors_[i]->set_symmetry_manager_and_index(<span class="keyword">this</span>, i);</div>
|
|
<div class="line"><a name="l04576"></a><span class="lineno"> 4576</span>  }</div>
|
|
<div class="line"><a name="l04577"></a><span class="lineno"> 4577</span>  }</div>
|
|
<div class="line"><a name="l04578"></a><span class="lineno"> 4578</span>  </div>
|
|
<div class="line"><a name="l04579"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_manager.html#a59ee893fcd20857f2ce17f964a5361b3"> 4579</a></span>  <a class="code" href="classoperations__research_1_1_symmetry_manager.html#a59ee893fcd20857f2ce17f964a5361b3">~SymmetryManager</a>()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l04580"></a><span class="lineno"> 4580</span>  </div>
|
|
<div class="line"><a name="l04581"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_manager.html#a9c5f3cbdfc43e919bf1ccfecfb14df26"> 4581</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_symmetry_manager.html#a9c5f3cbdfc43e919bf1ccfecfb14df26">EndNextDecision</a>(DecisionBuilder* <span class="keyword">const</span> db, Decision* <span class="keyword">const</span> d)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04582"></a><span class="lineno"> 4582</span>  <span class="keywordflow">if</span> (d) {</div>
|
|
<div class="line"><a name="l04583"></a><span class="lineno"> 4583</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < visitors_.size(); ++i) {</div>
|
|
<div class="line"><a name="l04584"></a><span class="lineno"> 4584</span>  <span class="keyword">const</span> <span class="keywordtype">void</span>* <span class="keyword">const</span> last = clauses_[i].Last();</div>
|
|
<div class="line"><a name="l04585"></a><span class="lineno"> 4585</span>  d->Accept(visitors_[i]);</div>
|
|
<div class="line"><a name="l04586"></a><span class="lineno"> 4586</span>  <span class="keywordflow">if</span> (last != clauses_[i].Last()) {</div>
|
|
<div class="line"><a name="l04587"></a><span class="lineno"> 4587</span>  <span class="comment">// Synchroneous push of decision as marker.</span></div>
|
|
<div class="line"><a name="l04588"></a><span class="lineno"> 4588</span>  decisions_[i].Push(solver(), d);</div>
|
|
<div class="line"><a name="l04589"></a><span class="lineno"> 4589</span>  directions_[i].Push(solver(), <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l04590"></a><span class="lineno"> 4590</span>  }</div>
|
|
<div class="line"><a name="l04591"></a><span class="lineno"> 4591</span>  }</div>
|
|
<div class="line"><a name="l04592"></a><span class="lineno"> 4592</span>  }</div>
|
|
<div class="line"><a name="l04593"></a><span class="lineno"> 4593</span>  }</div>
|
|
<div class="line"><a name="l04594"></a><span class="lineno"> 4594</span>  </div>
|
|
<div class="line"><a name="l04595"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_manager.html#aca4feb42ea89c4cc51f11c7bb538f1b7"> 4595</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_symmetry_manager.html#aca4feb42ea89c4cc51f11c7bb538f1b7">RefuteDecision</a>(Decision* d)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l04596"></a><span class="lineno"> 4596</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < visitors_.size(); ++i) {</div>
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|
<div class="line"><a name="l04597"></a><span class="lineno"> 4597</span>  <span class="keywordflow">if</span> (decisions_[i].Last() != <span class="keyword">nullptr</span> && decisions_[i].LastValue() == d) {</div>
|
|
<div class="line"><a name="l04598"></a><span class="lineno"> 4598</span>  CheckSymmetries(i);</div>
|
|
<div class="line"><a name="l04599"></a><span class="lineno"> 4599</span>  }</div>
|
|
<div class="line"><a name="l04600"></a><span class="lineno"> 4600</span>  }</div>
|
|
<div class="line"><a name="l04601"></a><span class="lineno"> 4601</span>  }</div>
|
|
<div class="line"><a name="l04602"></a><span class="lineno"> 4602</span>  </div>
|
|
<div class="line"><a name="l04603"></a><span class="lineno"> 4603</span>  <span class="comment">// TODO(user) : Improve speed, cache previous min and build them</span></div>
|
|
<div class="line"><a name="l04604"></a><span class="lineno"> 4604</span>  <span class="comment">// incrementally.</span></div>
|
|
<div class="line"><a name="l04605"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_manager.html#abadf18fbb427ee0bf30f57a120254baa"> 4605</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_symmetry_manager.html#abadf18fbb427ee0bf30f57a120254baa">CheckSymmetries</a>(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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|
<div class="line"><a name="l04606"></a><span class="lineno"> 4606</span>  <a class="code" href="classoperations__research_1_1_simple_rev_f_i_f_o.html">SimpleRevFIFO<IntVar*>::Iterator</a> tmp(&clauses_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]);</div>
|
|
<div class="line"><a name="l04607"></a><span class="lineno"> 4607</span>  <a class="code" href="classoperations__research_1_1_simple_rev_f_i_f_o.html">SimpleRevFIFO<bool>::Iterator</a> tmp_dir(&directions_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]);</div>
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|
<div class="line"><a name="l04608"></a><span class="lineno"> 4608</span>  Constraint* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <span class="keyword">nullptr</span>;</div>
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|
<div class="line"><a name="l04609"></a><span class="lineno"> 4609</span>  {</div>
|
|
<div class="line"><a name="l04610"></a><span class="lineno"> 4610</span>  std::vector<IntVar*> guard;</div>
|
|
<div class="line"><a name="l04611"></a><span class="lineno"> 4611</span>  <span class="comment">// keep the last entry for later, if loop doesn't exit.</span></div>
|
|
<div class="line"><a name="l04612"></a><span class="lineno"> 4612</span>  ++tmp;</div>
|
|
<div class="line"><a name="l04613"></a><span class="lineno"> 4613</span>  ++tmp_dir;</div>
|
|
<div class="line"><a name="l04614"></a><span class="lineno"> 4614</span>  <span class="keywordflow">while</span> (tmp.ok()) {</div>
|
|
<div class="line"><a name="l04615"></a><span class="lineno"> 4615</span>  IntVar* <span class="keyword">const</span> term = *tmp;</div>
|
|
<div class="line"><a name="l04616"></a><span class="lineno"> 4616</span>  <span class="keywordflow">if</span> (!*tmp_dir) {</div>
|
|
<div class="line"><a name="l04617"></a><span class="lineno"> 4617</span>  <span class="keywordflow">if</span> (term->Max() == 0) {</div>
|
|
<div class="line"><a name="l04618"></a><span class="lineno"> 4618</span>  <span class="comment">// Premise is wrong. The clause will never apply.</span></div>
|
|
<div class="line"><a name="l04619"></a><span class="lineno"> 4619</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l04620"></a><span class="lineno"> 4620</span>  }</div>
|
|
<div class="line"><a name="l04621"></a><span class="lineno"> 4621</span>  <span class="keywordflow">if</span> (term->Min() == 0) {</div>
|
|
<div class="line"><a name="l04622"></a><span class="lineno"> 4622</span>  DCHECK_EQ(1, term->Max());</div>
|
|
<div class="line"><a name="l04623"></a><span class="lineno"> 4623</span>  <span class="comment">// Premise may be true. Adding to guard vector.</span></div>
|
|
<div class="line"><a name="l04624"></a><span class="lineno"> 4624</span>  guard.push_back(term);</div>
|
|
<div class="line"><a name="l04625"></a><span class="lineno"> 4625</span>  }</div>
|
|
<div class="line"><a name="l04626"></a><span class="lineno"> 4626</span>  }</div>
|
|
<div class="line"><a name="l04627"></a><span class="lineno"> 4627</span>  ++tmp;</div>
|
|
<div class="line"><a name="l04628"></a><span class="lineno"> 4628</span>  ++tmp_dir;</div>
|
|
<div class="line"><a name="l04629"></a><span class="lineno"> 4629</span>  }</div>
|
|
<div class="line"><a name="l04630"></a><span class="lineno"> 4630</span>  guard.push_back(clauses_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>].LastValue());</div>
|
|
<div class="line"><a name="l04631"></a><span class="lineno"> 4631</span>  directions_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>].SetLastValue(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l04632"></a><span class="lineno"> 4632</span>  <span class="comment">// Given premises: xi = ai</span></div>
|
|
<div class="line"><a name="l04633"></a><span class="lineno"> 4633</span>  <span class="comment">// and a term y != b</span></div>
|
|
<div class="line"><a name="l04634"></a><span class="lineno"> 4634</span>  <span class="comment">// The following is equivalent to</span></div>
|
|
<div class="line"><a name="l04635"></a><span class="lineno"> 4635</span>  <span class="comment">// And(xi == a1) => y != b.</span></div>
|
|
<div class="line"><a name="l04636"></a><span class="lineno"> 4636</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = solver()->MakeEquality(solver()->MakeMin(guard), Zero());</div>
|
|
<div class="line"><a name="l04637"></a><span class="lineno"> 4637</span>  }</div>
|
|
<div class="line"><a name="l04638"></a><span class="lineno"> 4638</span>  DCHECK(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04639"></a><span class="lineno"> 4639</span>  solver()->AddConstraint(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
|
|
<div class="line"><a name="l04640"></a><span class="lineno"> 4640</span>  }</div>
|
|
<div class="line"><a name="l04641"></a><span class="lineno"> 4641</span>  </div>
|
|
<div class="line"><a name="l04642"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_manager.html#a0800f12cbda96e835aa5b051656132b5"> 4642</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_symmetry_manager.html#a0800f12cbda96e835aa5b051656132b5">AddTermToClause</a>(<a class="code" href="classoperations__research_1_1_symmetry_breaker.html">SymmetryBreaker</a>* <span class="keyword">const</span> visitor, IntVar* <span class="keyword">const</span> term) {</div>
|
|
<div class="line"><a name="l04643"></a><span class="lineno"> 4643</span>  clauses_[visitor->index_in_symmetry_manager()].Push(solver(), term);</div>
|
|
<div class="line"><a name="l04644"></a><span class="lineno"> 4644</span>  }</div>
|
|
<div class="line"><a name="l04645"></a><span class="lineno"> 4645</span>  </div>
|
|
<div class="line"><a name="l04646"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_manager.html#aed804747c45a7e1caf81461f9e45dd91"> 4646</a></span>  std::string <a class="code" href="classoperations__research_1_1_symmetry_manager.html#aed804747c45a7e1caf81461f9e45dd91">DebugString</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"SymmetryManager"</span>; }</div>
|
|
<div class="line"><a name="l04647"></a><span class="lineno"> 4647</span>  </div>
|
|
<div class="line"><a name="l04648"></a><span class="lineno"> 4648</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l04649"></a><span class="lineno"> 4649</span>  <span class="keyword">const</span> std::vector<SymmetryBreaker*> visitors_;</div>
|
|
<div class="line"><a name="l04650"></a><span class="lineno"> 4650</span>  std::vector<SimpleRevFIFO<IntVar*>> clauses_;</div>
|
|
<div class="line"><a name="l04651"></a><span class="lineno"> 4651</span>  std::vector<SimpleRevFIFO<Decision*>> decisions_;</div>
|
|
<div class="line"><a name="l04652"></a><span class="lineno"> 4652</span>  std::vector<SimpleRevFIFO<bool>> directions_;</div>
|
|
<div class="line"><a name="l04653"></a><span class="lineno"> 4653</span> };</div>
|
|
<div class="line"><a name="l04654"></a><span class="lineno"> 4654</span>  </div>
|
|
<div class="line"><a name="l04655"></a><span class="lineno"> 4655</span> <span class="comment">// ----- Symmetry Breaker -----</span></div>
|
|
<div class="line"><a name="l04656"></a><span class="lineno"> 4656</span>  </div>
|
|
<div class="line"><a name="l04657"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_breaker.html#a8670c00745de36076d56243cc4ea61c9"> 4657</a></span> <span class="keywordtype">void</span> SymmetryBreaker::AddIntegerVariableEqualValueClause(IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>,</div>
|
|
<div class="line"><a name="l04658"></a><span class="lineno"> 4658</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
|
|
<div class="line"><a name="l04659"></a><span class="lineno"> 4659</span>  CHECK(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04660"></a><span class="lineno"> 4660</span>  Solver* <span class="keyword">const</span> solver = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->solver();</div>
|
|
<div class="line"><a name="l04661"></a><span class="lineno"> 4661</span>  IntVar* <span class="keyword">const</span> term = solver->MakeIsEqualCstVar(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l04662"></a><span class="lineno"> 4662</span>  symmetry_manager()->AddTermToClause(<span class="keyword">this</span>, term);</div>
|
|
<div class="line"><a name="l04663"></a><span class="lineno"> 4663</span> }</div>
|
|
<div class="line"><a name="l04664"></a><span class="lineno"> 4664</span>  </div>
|
|
<div class="line"><a name="l04665"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_breaker.html#aa8a5ebe8847527e05d53b0f104b00f9c"> 4665</a></span> <span class="keywordtype">void</span> SymmetryBreaker::AddIntegerVariableGreaterOrEqualValueClause(</div>
|
|
<div class="line"><a name="l04666"></a><span class="lineno"> 4666</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
|
|
<div class="line"><a name="l04667"></a><span class="lineno"> 4667</span>  CHECK(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04668"></a><span class="lineno"> 4668</span>  Solver* <span class="keyword">const</span> solver = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->solver();</div>
|
|
<div class="line"><a name="l04669"></a><span class="lineno"> 4669</span>  IntVar* <span class="keyword">const</span> term = solver->MakeIsGreaterOrEqualCstVar(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l04670"></a><span class="lineno"> 4670</span>  symmetry_manager()->AddTermToClause(<span class="keyword">this</span>, term);</div>
|
|
<div class="line"><a name="l04671"></a><span class="lineno"> 4671</span> }</div>
|
|
<div class="line"><a name="l04672"></a><span class="lineno"> 4672</span>  </div>
|
|
<div class="line"><a name="l04673"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_symmetry_breaker.html#a8b67673be317fa2e6d2edc998e160f65"> 4673</a></span> <span class="keywordtype">void</span> SymmetryBreaker::AddIntegerVariableLessOrEqualValueClause(</div>
|
|
<div class="line"><a name="l04674"></a><span class="lineno"> 4674</span>  IntVar* <span class="keyword">const</span> <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
|
|
<div class="line"><a name="l04675"></a><span class="lineno"> 4675</span>  CHECK(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a> != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l04676"></a><span class="lineno"> 4676</span>  Solver* <span class="keyword">const</span> solver = <a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>->solver();</div>
|
|
<div class="line"><a name="l04677"></a><span class="lineno"> 4677</span>  IntVar* <span class="keyword">const</span> term = solver->MakeIsLessOrEqualCstVar(<a class="code" href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a>, <a class="code" href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l04678"></a><span class="lineno"> 4678</span>  symmetry_manager()->AddTermToClause(<span class="keyword">this</span>, term);</div>
|
|
<div class="line"><a name="l04679"></a><span class="lineno"> 4679</span> }</div>
|
|
<div class="line"><a name="l04680"></a><span class="lineno"> 4680</span>  </div>
|
|
<div class="line"><a name="l04681"></a><span class="lineno"> 4681</span> <span class="comment">// ----- API -----</span></div>
|
|
<div class="line"><a name="l04682"></a><span class="lineno"> 4682</span>  </div>
|
|
<div class="line"><a name="l04683"></a><span class="lineno"> 4683</span> SearchMonitor* Solver::MakeSymmetryManager(</div>
|
|
<div class="line"><a name="l04684"></a><span class="lineno"> 4684</span>  <span class="keyword">const</span> std::vector<SymmetryBreaker*>& visitors) {</div>
|
|
<div class="line"><a name="l04685"></a><span class="lineno"> 4685</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> <a class="code" href="classoperations__research_1_1_symmetry_manager.html">SymmetryManager</a>(<span class="keyword">this</span>, visitors));</div>
|
|
<div class="line"><a name="l04686"></a><span class="lineno"> 4686</span> }</div>
|
|
<div class="line"><a name="l04687"></a><span class="lineno"> 4687</span>  </div>
|
|
<div class="line"><a name="l04688"></a><span class="lineno"> 4688</span> SearchMonitor* Solver::MakeSymmetryManager(SymmetryBreaker* <span class="keyword">const</span> v1) {</div>
|
|
<div class="line"><a name="l04689"></a><span class="lineno"> 4689</span>  std::vector<SymmetryBreaker*> visitors;</div>
|
|
<div class="line"><a name="l04690"></a><span class="lineno"> 4690</span>  visitors.push_back(v1);</div>
|
|
<div class="line"><a name="l04691"></a><span class="lineno"> 4691</span>  <span class="keywordflow">return</span> MakeSymmetryManager(visitors);</div>
|
|
<div class="line"><a name="l04692"></a><span class="lineno"> 4692</span> }</div>
|
|
<div class="line"><a name="l04693"></a><span class="lineno"> 4693</span>  </div>
|
|
<div class="line"><a name="l04694"></a><span class="lineno"> 4694</span> SearchMonitor* Solver::MakeSymmetryManager(SymmetryBreaker* <span class="keyword">const</span> v1,</div>
|
|
<div class="line"><a name="l04695"></a><span class="lineno"> 4695</span>  SymmetryBreaker* <span class="keyword">const</span> v2) {</div>
|
|
<div class="line"><a name="l04696"></a><span class="lineno"> 4696</span>  std::vector<SymmetryBreaker*> visitors;</div>
|
|
<div class="line"><a name="l04697"></a><span class="lineno"> 4697</span>  visitors.push_back(v1);</div>
|
|
<div class="line"><a name="l04698"></a><span class="lineno"> 4698</span>  visitors.push_back(v2);</div>
|
|
<div class="line"><a name="l04699"></a><span class="lineno"> 4699</span>  <span class="keywordflow">return</span> MakeSymmetryManager(visitors);</div>
|
|
<div class="line"><a name="l04700"></a><span class="lineno"> 4700</span> }</div>
|
|
<div class="line"><a name="l04701"></a><span class="lineno"> 4701</span>  </div>
|
|
<div class="line"><a name="l04702"></a><span class="lineno"> 4702</span> SearchMonitor* Solver::MakeSymmetryManager(SymmetryBreaker* <span class="keyword">const</span> v1,</div>
|
|
<div class="line"><a name="l04703"></a><span class="lineno"> 4703</span>  SymmetryBreaker* <span class="keyword">const</span> v2,</div>
|
|
<div class="line"><a name="l04704"></a><span class="lineno"> 4704</span>  SymmetryBreaker* <span class="keyword">const</span> v3) {</div>
|
|
<div class="line"><a name="l04705"></a><span class="lineno"> 4705</span>  std::vector<SymmetryBreaker*> visitors;</div>
|
|
<div class="line"><a name="l04706"></a><span class="lineno"> 4706</span>  visitors.push_back(v1);</div>
|
|
<div class="line"><a name="l04707"></a><span class="lineno"> 4707</span>  visitors.push_back(v2);</div>
|
|
<div class="line"><a name="l04708"></a><span class="lineno"> 4708</span>  visitors.push_back(v3);</div>
|
|
<div class="line"><a name="l04709"></a><span class="lineno"> 4709</span>  <span class="keywordflow">return</span> MakeSymmetryManager(visitors);</div>
|
|
<div class="line"><a name="l04710"></a><span class="lineno"> 4710</span> }</div>
|
|
<div class="line"><a name="l04711"></a><span class="lineno"> 4711</span>  </div>
|
|
<div class="line"><a name="l04712"></a><span class="lineno"> 4712</span> SearchMonitor* Solver::MakeSymmetryManager(SymmetryBreaker* <span class="keyword">const</span> v1,</div>
|
|
<div class="line"><a name="l04713"></a><span class="lineno"> 4713</span>  SymmetryBreaker* <span class="keyword">const</span> v2,</div>
|
|
<div class="line"><a name="l04714"></a><span class="lineno"> 4714</span>  SymmetryBreaker* <span class="keyword">const</span> v3,</div>
|
|
<div class="line"><a name="l04715"></a><span class="lineno"> 4715</span>  SymmetryBreaker* <span class="keyword">const</span> v4) {</div>
|
|
<div class="line"><a name="l04716"></a><span class="lineno"> 4716</span>  std::vector<SymmetryBreaker*> visitors;</div>
|
|
<div class="line"><a name="l04717"></a><span class="lineno"> 4717</span>  visitors.push_back(v1);</div>
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|
<div class="line"><a name="l04718"></a><span class="lineno"> 4718</span>  visitors.push_back(v2);</div>
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<div class="line"><a name="l04719"></a><span class="lineno"> 4719</span>  visitors.push_back(v3);</div>
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<div class="line"><a name="l04720"></a><span class="lineno"> 4720</span>  visitors.push_back(v4);</div>
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<div class="line"><a name="l04721"></a><span class="lineno"> 4721</span>  <span class="keywordflow">return</span> MakeSymmetryManager(visitors);</div>
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<div class="line"><a name="l04722"></a><span class="lineno"> 4722</span> }</div>
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<div class="line"><a name="l04723"></a><span class="lineno"> 4723</span> } <span class="comment">// namespace operations_research</span></div>
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- doc-content -->
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<div class="ttc" id="anamespaceoperations__research_html_abf97a851d233a8ec9d94e1275fe7e34f"><div class="ttname"><a href="namespaceoperations__research.html#abf97a851d233a8ec9d94e1275fe7e34f">operations_research::ToInt64Vector</a></div><div class="ttdeci">std::vector< int64 > ToInt64Vector(const std::vector< int > &input)</div><div class="ttdef"><b>Definition:</b> <a href="utilities_8cc_source.html#l00822">utilities.cc:822</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a021e695f54a13bd809c34b2f4ca87c37"><div class="ttname"><a href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a></div><div class="ttdeci">int64 min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00138">alldiff_cst.cc:138</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a6894cc7d30a41a5e750f40a7f4751c01"><div class="ttname"><a href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">operations_research::Arc</a></div><div class="ttdeci">std::pair< int64, int64 > Arc</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03355">search.cc:3355</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a82f4c8d4970a96af27990c13d66a2fe3"><div class="ttname"><a href="search_8cc.html#a82f4c8d4970a96af27990c13d66a2fe3">penalized_objective_</a></div><div class="ttdeci">IntVar * penalized_objective_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03481">search.cc:3481</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a228fe84d99348c2b62bb4f70a6371d9b"><div class="ttname"><a href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">operations_research::CapSub</a></div><div class="ttdeci">int64 CapSub(int64 x, int64 y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00154">saturated_arithmetic.h:154</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_afe2b705fd5af7c1c6812f69e9a9dcdf1"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#afe2b705fd5af7c1c6812f69e9a9dcdf1">operations_research::SearchLog::EndInitialPropagation</a></div><div class="ttdeci">void EndInitialPropagation() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00242">search.cc:242</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a864583d6acd955e796a21eb51eedadea"><div class="ttname"><a href="search_8cc.html#a864583d6acd955e796a21eb51eedadea">current_</a></div><div class="ttdeci">int64 current_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l02947">search.cc:2947</a></div></div>
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<div class="ttc" id="arouting__search_8cc_html_a204f9b990226e8288e1aaecbb496cbf8"><div class="ttname"><a href="routing__search_8cc.html#a204f9b990226e8288e1aaecbb496cbf8">bound</a></div><div class="ttdeci">int64 bound</div><div class="ttdef"><b>Definition:</b> <a href="routing__search_8cc_source.html#l00972">routing_search.cc:972</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a1f3b0ef727d0f9930c2177b4e3e945ea"><div class="ttname"><a href="search_8cc.html#a1f3b0ef727d0f9930c2177b4e3e945ea">builders_</a></div><div class="ttdeci">std::vector< DecisionBuilder * > builders_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00470">search.cc:470</a></div></div>
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<div class="ttc" id="abitmap_8h_html"><div class="ttname"><a href="bitmap_8h.html">bitmap.h</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a084e30b0671c01c2069b33171f019231"><div class="ttname"><a href="search_8cc.html#a084e30b0671c01c2069b33171f019231">delta_cache_</a></div><div class="ttdeci">std::unique_ptr< int64[]> delta_cache_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03490">search.cc:3490</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="asearch_8cc_html_abccdecab0716d97517f2a33f887d94ee"><div class="ttname"><a href="search_8cc.html#abccdecab0716d97517f2a33f887d94ee">last_unbound_</a></div><div class="ttdeci">Rev< int64 > last_unbound_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00782">search.cc:782</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a1ab3854946bf086fbb0971cc82516104"><div class="ttname"><a href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a></div><div class="ttdeci">const int64 stamp_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03033">search.cc:3033</a></div></div>
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<div class="ttc" id="asearch_8cc_html_aef33aa22a496a9004f8f240cb6e3dcc4"><div class="ttname"><a href="search_8cc.html#aef33aa22a496a9004f8f240cb6e3dcc4">DEFINE_int64</a></div><div class="ttdeci">DEFINE_int64(cp_large_domain_no_splitting_limit, 0xFFFFF, "Size limit to allow holes in variables from the strategy.")</div></div>
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<div class="ttc" id="aintegral__types_8h_html_a9e2a0eaeb0ffad9739d8b951dcf18ca0"><div class="ttname"><a href="integral__types_8h.html#a9e2a0eaeb0ffad9739d8b951dcf18ca0">kuint64max</a></div><div class="ttdeci">static const uint64 kuint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00052">integral_types.h:52</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_symmetry_breaker_html"><div class="ttname"><a href="classoperations__research_1_1_symmetry_breaker.html">operations_research::SymmetryBreaker</a></div><div class="ttdoc">A symmetry breaker is an object that will visit a decision and create the 'symmetrical' decision in r...</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solveri_8h_source.html#l01997">constraint_solveri.h:1997</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ac076f97ddc2c6a302b01ca2bb528e1f4"><div class="ttname"><a href="namespaceoperations__research.html#ac076f97ddc2c6a302b01ca2bb528e1f4">operations_research::AcceptNeighbor</a></div><div class="ttdeci">void AcceptNeighbor(Search *const search)</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8cc_source.html#l01346">constraint_solver.cc:1346</a></div></div>
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<div class="ttc" id="amacros_8h_html"><div class="ttname"><a href="macros_8h.html">macros.h</a></div></div>
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<div class="ttc" id="anamespacegtl_html_abc18f60961e36340e64e428827c0e38e"><div class="ttname"><a href="namespacegtl.html#abc18f60961e36340e64e428827c0e38e">gtl::FindWithDefault</a></div><div class="ttdeci">const Collection::value_type::second_type & FindWithDefault(const Collection &collection, const typename Collection::value_type::first_type &key, const typename Collection::value_type::second_type &value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00026">map_util.h:26</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="asearch_8cc_html_aa4b63f47b9af0e05f716d549ec139b9a"><div class="ttname"><a href="search_8cc.html#aa4b63f47b9af0e05f716d549ec139b9a">solutions_pq_</a></div><div class="ttdeci">std::priority_queue< std::pair< int64, SolutionData > > solutions_pq_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l02571">search.cc:2571</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_af458164b470cbba416d5ed579e00ff60"><div class="ttname"><a href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a></div><div class="ttdeci">static const int64 kint64min</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00060">integral_types.h:60</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
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<div class="ttc" id="aconstraint__solveri_8h_html"><div class="ttname"><a href="constraint__solveri_8h.html">constraint_solveri.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_afc36af1852ba6e2dbe650aa172e4c680"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#afc36af1852ba6e2dbe650aa172e4c680">operations_research::SearchLog::AcceptUncheckedNeighbor</a></div><div class="ttdeci">void AcceptUncheckedNeighbor() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00174">search.cc:174</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_a00e1c5e76ceb9b425ddea62748673d9b"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#a00e1c5e76ceb9b425ddea62748673d9b">operations_research::SearchLog::BeginFail</a></div><div class="ttdeci">void BeginFail() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00176">search.cc:176</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_symmetry_manager_html_abadf18fbb427ee0bf30f57a120254baa"><div class="ttname"><a href="classoperations__research_1_1_symmetry_manager.html#abadf18fbb427ee0bf30f57a120254baa">operations_research::SymmetryManager::CheckSymmetries</a></div><div class="ttdeci">void CheckSymmetries(int index)</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l04605">search.cc:4605</a></div></div>
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<div class="ttc" id="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00508">pack.cc:508</a></div></div>
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<div class="ttc" id="ainterval_8cc_html_a1e6e18599bc7057307916e1f810f83a8"><div class="ttname"><a href="interval_8cc.html#a1e6e18599bc7057307916e1f810f83a8">offset_</a></div><div class="ttdeci">const int64 offset_</div><div class="ttdef"><b>Definition:</b> <a href="interval_8cc_source.html#l02076">interval.cc:2076</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a5e5e8b8520054d3bdeb53ef0291ce4d9"><div class="ttname"><a href="search_8cc.html#a5e5e8b8520054d3bdeb53ef0291ce4d9">evaluator_</a></div><div class="ttdeci">std::function< int64(int64, int64)> evaluator_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l01355">search.cc:1355</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_aa776d47ceec0ae7dceb9723a0fc82fb3"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#aa776d47ceec0ae7dceb9723a0fc82fb3">operations_research::SearchLog::Maintain</a></div><div class="ttdeci">void Maintain()</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00233">search.cc:233</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="search_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l01348">search.cc:1348</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a2759381111ac180c5cc11bb47a7d5779"><div class="ttname"><a href="search_8cc.html#a2759381111ac180c5cc11bb47a7d5779">old_penalized_value_</a></div><div class="ttdeci">int64 old_penalized_value_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03484">search.cc:3484</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_a4d07aaa3fe401d52e938c2f8f7f2e26f"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#a4d07aaa3fe401d52e938c2f8f7f2e26f">operations_research::SearchLog::ExitSearch</a></div><div class="ttdeci">void ExitSearch() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00091">search.cc:91</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_symmetry_manager_html_a9c5f3cbdfc43e919bf1ccfecfb14df26"><div class="ttname"><a href="classoperations__research_1_1_symmetry_manager.html#a9c5f3cbdfc43e919bf1ccfecfb14df26">operations_research::SymmetryManager::EndNextDecision</a></div><div class="ttdeci">void EndNextDecision(DecisionBuilder *const db, Decision *const d) override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l04581">search.cc:4581</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_af730895c6c6ef6e03caaf6251192dfd2"><div class="ttname"><a href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a></div><div class="ttdeci">int64 a</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00042">constraint_solver/table.cc:42</a></div></div>
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<div class="ttc" id="aconstraint__solver_8h_html"><div class="ttname"><a href="constraint__solver_8h.html">constraint_solver.h</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a7a0fd648d588be00840a1eec10594776"><div class="ttname"><a href="search_8cc.html#a7a0fd648d588be00840a1eec10594776">solution_count_</a></div><div class="ttdeci">const int solution_count_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l02572">search.cc:2572</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_simple_rev_f_i_f_o_html"><div class="ttname"><a href="classoperations__research_1_1_simple_rev_f_i_f_o.html">operations_research::SimpleRevFIFO</a></div><div class="ttdoc">This class represent a reversible FIFO structure.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solveri_8h_source.html#l00145">constraint_solveri.h:145</a></div></div>
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<div class="ttc" id="astring__array_8h_html"><div class="ttname"><a href="string__array_8h.html">string_array.h</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a763fab788c2fe09cc73fbe32be536dcd"><div class="ttname"><a href="search_8cc.html#a763fab788c2fe09cc73fbe32be536dcd">first_unbound_</a></div><div class="ttdeci">Rev< int64 > first_unbound_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00781">search.cc:781</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_ab0cfc59ab5792086f6f8b9234320fd33"><div class="ttname"><a href="integral__types_8h.html#ab0cfc59ab5792086f6f8b9234320fd33">kint32max</a></div><div class="ttdeci">static const int32 kint32max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00059">integral_types.h:59</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a99264812cf177270e521f226a5c012c3"><div class="ttname"><a href="namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3">operations_research::CapAdd</a></div><div class="ttdeci">int64 CapAdd(int64 x, int64 y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00124">saturated_arithmetic.h:124</a></div></div>
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<div class="ttc" id="atimer_8h_html"><div class="ttname"><a href="timer_8h.html">timer.h</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a9b16db7d2bc20b77514471f3caf78650"><div class="ttname"><a href="search_8cc.html#a9b16db7d2bc20b77514471f3caf78650">DEFINE_bool</a></div><div class="ttdeci">DEFINE_bool(cp_use_sparse_gls_penalties, false, "Use sparse implementation to store Guided Local Search penalties")</div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_aed804747c45a7e1caf81461f9e45dd91"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#aed804747c45a7e1caf81461f9e45dd91">operations_research::SearchLog::DebugString</a></div><div class="ttdeci">std::string DebugString() const override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00081">search.cc:81</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a9b498b0b2c21c8775a77d0361608d082"><div class="ttname"><a href="search_8cc.html#a9b498b0b2c21c8775a77d0361608d082">var</a></div><div class="ttdeci">int64 var</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l01347">search.cc:1347</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_af6a9149207c05695bc2e26a658461abd"><div class="ttname"><a href="constraint__solver_2table_8cc.html#af6a9149207c05695bc2e26a658461abd">iterators_</a></div><div class="ttdeci">std::vector< IntVarIterator * > iterators_</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00225">constraint_solver/table.cc:225</a></div></div>
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<div class="ttc" id="amathutil_8h_html"><div class="ttname"><a href="mathutil_8h.html">mathutil.h</a></div></div>
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<div class="ttc" id="asearch__limit_8pb_8h_html"><div class="ttname"><a href="search__limit_8pb_8h.html">search_limit.pb.h</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a9c6d2505b571d11bc113813060f465a3"><div class="ttname"><a href="search_8cc.html#a9c6d2505b571d11bc113813060f465a3">objective_</a></div><div class="ttdeci">IntVar *const objective_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l02945">search.cc:2945</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695"><div class="ttname"><a href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a></div><div class="ttdeci">const Constraint * ct</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00042">demon_profiler.cc:42</a></div></div>
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<div class="ttc" id="asearch_8cc_html_ac22600081c7ea56ebafdfc86804cc3e7"><div class="ttname"><a href="search_8cc.html#ac22600081c7ea56ebafdfc86804cc3e7">indices_</a></div><div class="ttdeci">absl::flat_hash_map< const IntVar *, int64 > indices_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03486">search.cc:3486</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html"><div class="ttname"><a href="class_wall_timer.html">WallTimer</a></div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00023">timer.h:23</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aa84acd1f5e19a0fda99d68bfcce4fdcf"><div class="ttname"><a href="namespaceoperations__research.html#aa84acd1f5e19a0fda99d68bfcce4fdcf">operations_research::AcceptDelta</a></div><div class="ttdeci">bool AcceptDelta(Search *const search, Assignment *delta, Assignment *deltadelta)</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8cc_source.html#l01341">constraint_solver.cc:1341</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_abc0f5bc07737e498f287334775dff2b6"><div class="ttname"><a href="integral__types_8h.html#abc0f5bc07737e498f287334775dff2b6">uint64</a></div><div class="ttdeci">uint64_t uint64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00039">integral_types.h:39</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a3f1a1b8a7a1a488e263a2e74f45d2a59"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">operations_research::sat::Value</a></div><div class="ttdeci">std::function< int64(const Model &)> Value(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01406">integer.h:1406</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_af7dae3ea7fbd3c3a43dd7d5a28ca544b"><div class="ttname"><a href="namespaceoperations__research.html#af7dae3ea7fbd3c3a43dd7d5a28ca544b">operations_research::ChooseMode</a></div><div class="ttdeci">BaseAssignVariables::Mode ChooseMode(Solver::IntValueStrategy val_str)</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l01992">search.cc:1992</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_a07391d3ad09f3ee9aa62fd5754a95d30"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#a07391d3ad09f3ee9aa62fd5754a95d30">operations_research::SearchLog::OutputLine</a></div><div class="ttdeci">virtual void OutputLine(const std::string &line)</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00250">search.cc:250</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_symmetry_manager_html_aca4feb42ea89c4cc51f11c7bb538f1b7"><div class="ttname"><a href="classoperations__research_1_1_symmetry_manager.html#aca4feb42ea89c4cc51f11c7bb538f1b7">operations_research::SymmetryManager::RefuteDecision</a></div><div class="ttdeci">void RefuteDecision(Decision *d) override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l04595">search.cc:4595</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_ae26cecfdf81054f0b85943d0f9e8b7ac"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#ae26cecfdf81054f0b85943d0f9e8b7ac">operations_research::SearchLog::OutputDecision</a></div><div class="ttdeci">void OutputDecision()</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00207">search.cc:207</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a62c8c6ddbd6448f66e4f17e34ef8f33b"><div class="ttname"><a href="search_8cc.html#a62c8c6ddbd6448f66e4f17e34ef8f33b">best_</a></div><div class="ttdeci">int64 best_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l02494">search.cc:2494</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a6627a3800ac768bb5528ef54c9cace36"><div class="ttname"><a href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a></div><div class="ttdeci">MPCallback * callback</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00440">gurobi_interface.cc:440</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a9b229f7e8aa2b819b08a9eef9b39df61"><div class="ttname"><a href="search_8cc.html#a9b229f7e8aa2b819b08a9eef9b39df61">vars_</a></div><div class="ttdeci">std::vector< IntVar * > vars_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00780">search.cc:780</a></div></div>
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<div class="ttc" id="astl__util_8h_html"><div class="ttname"><a href="stl__util_8h.html">stl_util.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_a6f54fc4f2d59c38d5929533887fa5ddd"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#a6f54fc4f2d59c38d5929533887fa5ddd">operations_research::SearchLog::~SearchLog</a></div><div class="ttdeci">~SearchLog() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00079">search.cc:79</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_a363e3361f6a6b52343e69cbff81deff5"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#a363e3361f6a6b52343e69cbff81deff5">operations_research::SearchLog::RefuteDecision</a></div><div class="ttdeci">void RefuteDecision(Decision *const decision) override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00202">search.cc:202</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a0b1795e10c65e7f1062da14c6e63e569"><div class="ttname"><a href="search_8cc.html#a0b1795e10c65e7f1062da14c6e63e569">penalty_factor_</a></div><div class="ttdeci">const double penalty_factor_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03487">search.cc:3487</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_symmetry_manager_html_a59ee893fcd20857f2ce17f964a5361b3"><div class="ttname"><a href="classoperations__research_1_1_symmetry_manager.html#a59ee893fcd20857f2ce17f964a5361b3">operations_research::SymmetryManager::~SymmetryManager</a></div><div class="ttdeci">~SymmetryManager() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l04579">search.cc:4579</a></div></div>
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<div class="ttc" id="ahash_8h_html"><div class="ttname"><a href="hash_8h.html">hash.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_symmetry_manager_html_ad1f8b885a5d59a739830606d23ab6ade"><div class="ttname"><a href="classoperations__research_1_1_symmetry_manager.html#ad1f8b885a5d59a739830606d23ab6ade">operations_research::SymmetryManager::SymmetryManager</a></div><div class="ttdeci">SymmetryManager(Solver *const s, const std::vector< SymmetryBreaker * > &visitors)</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l04567">search.cc:4567</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_bitmap_html"><div class="ttname"><a href="classoperations__research_1_1_bitmap.html">operations_research::Bitmap</a></div><div class="ttdef"><b>Definition:</b> <a href="bitmap_8h_source.html#l00038">bitmap.h:38</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a9648c36eafdd6183052aeec5bef2d8b2"><div class="ttname"><a href="search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2">maximize_</a></div><div class="ttdeci">const bool maximize_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l02493">search.cc:2493</a></div></div>
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<div class="ttc" id="aresource_8cc_html_a73461c37822b6ebb75b54ba1a9ffb442"><div class="ttname"><a href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a></div><div class="ttdeci">int64 delta</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l01684">resource.cc:1684</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a344010e26426d6a13411648d988bc9b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a></div><div class="ttdeci">int64 b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00043">constraint_solver/table.cc:43</a></div></div>
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<div class="ttc" id="amacros_8h_html_af8df3547bfde53a5acb93e2607b0034a"><div class="ttname"><a href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a></div><div class="ttdeci">#define DISALLOW_COPY_AND_ASSIGN(TypeName)</div><div class="ttdef"><b>Definition:</b> <a href="macros_8h_source.html#l00029">macros.h:29</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_ab3631067f88ccc24c5db6a8a0dc64e47"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#ab3631067f88ccc24c5db6a8a0dc64e47">operations_research::SearchLog::AtSolution</a></div><div class="ttdeci">bool AtSolution() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00104">search.cc:104</a></div></div>
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<div class="ttc" id="aconstraint__solver_8cc_html_a395f613555f398dd389670bb4c2a4599"><div class="ttname"><a href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a></div><div class="ttdeci">Block * next</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8cc_source.html#l00667">constraint_solver.cc:667</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a55ed096f6ff13bef2f7e921ffe4dda27"><div class="ttname"><a href="search_8cc.html#a55ed096f6ff13bef2f7e921ffe4dda27">selector_</a></div><div class="ttdeci">BaseVariableAssignmentSelector *const selector_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l01850">search.cc:1850</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_symmetry_manager_html_aed804747c45a7e1caf81461f9e45dd91"><div class="ttname"><a href="classoperations__research_1_1_symmetry_manager.html#aed804747c45a7e1caf81461f9e45dd91">operations_research::SymmetryManager::DebugString</a></div><div class="ttdeci">std::string DebugString() const override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l04646">search.cc:4646</a></div></div>
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<div class="ttc" id="anamespaceabsl_html"><div class="ttname"><a href="namespaceabsl.html">absl</a></div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00022">cleanup.h:22</a></div></div>
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<div class="ttc" id="anamespacegtl_html_a4ee3db0c4acaa0f277a0d7006f5ad1e6"><div class="ttname"><a href="namespacegtl.html#a4ee3db0c4acaa0f277a0d7006f5ad1e6">gtl::STLDeleteElements</a></div><div class="ttdeci">void STLDeleteElements(T *container)</div><div class="ttdef"><b>Definition:</b> <a href="stl__util_8h_source.html#l00372">stl_util.h:372</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_aed003f5eb5197bc586b7ef2c36a63da2"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a></div><div class="ttdeci">CpModelProto proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00106">cp_model_fz_solver.cc:106</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a20683a072d8f7a52bab0149f605e8d00"><div class="ttname"><a href="search_8cc.html#a20683a072d8f7a52bab0149f605e8d00">assignment_penalized_value_</a></div><div class="ttdeci">int64 assignment_penalized_value_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03483">search.cc:3483</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_a73895ddf1e732b9d3fa365f05977c8a6"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#a73895ddf1e732b9d3fa365f05977c8a6">operations_research::SearchLog::BeginInitialPropagation</a></div><div class="ttdeci">void BeginInitialPropagation() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00240">search.cc:240</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_abcb5ea97dd20da34d28e62a1ab2fda27"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#abcb5ea97dd20da34d28e62a1ab2fda27">operations_research::SearchLog::SearchLog</a></div><div class="ttdeci">SearchLog(Solver *const s, OptimizeVar *const obj, IntVar *const var, double scaling_factor, double offset, std::function< std::string()> display_callback, int period)</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00056">search.cc:56</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_symmetry_manager_html"><div class="ttname"><a href="classoperations__research_1_1_symmetry_manager.html">operations_research::SymmetryManager</a></div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l04565">search.cc:4565</a></div></div>
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<div class="ttc" id="asearch_8cc_html_abd6bfbf6753a5deb0ce273fad6408e1e"><div class="ttname"><a href="search_8cc.html#abd6bfbf6753a5deb0ce273fad6408e1e">solver_</a></div><div class="ttdeci">Solver *const solver_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00779">search.cc:779</a></div></div>
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<div class="ttc" id="anamespacegtl_html_a6a4238d2e35cf819a8e83d60d331ea64"><div class="ttname"><a href="namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64">gtl::FindCopy</a></div><div class="ttdeci">bool FindCopy(const Collection &collection, const Key &key, Value *const value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00155">map_util.h:155</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_a0c955ff1b2eae2daece0f25f1e57fb16"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#a0c955ff1b2eae2daece0f25f1e57fb16">operations_research::SearchLog::EnterSearch</a></div><div class="ttdeci">void EnterSearch() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00083">search.cc:83</a></div></div>
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<div class="ttc" id="asearch_8cc_html_ac6c6987cbc6b0d43a4c9781fca21c676"><div class="ttname"><a href="search_8cc.html#ac6c6987cbc6b0d43a4c9781fca21c676">current_penalized_values_</a></div><div class="ttdeci">std::unique_ptr< int64[]> current_penalized_values_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03489">search.cc:3489</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a042310df884fdaff565a8cee946c4e14"><div class="ttname"><a href="search_8cc.html#a042310df884fdaff565a8cee946c4e14">step_</a></div><div class="ttdeci">int64 step_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l02946">search.cc:2946</a></div></div>
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<div class="ttc" id="acommandlineflags_8h_html"><div class="ttname"><a href="commandlineflags_8h.html">commandlineflags.h</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00107">cp_model_fz_solver.cc:107</a></div></div>
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<div class="ttc" id="abase_2sysinfo_8h_html_af9b24d4d5b14da2448fa98ed733e0420"><div class="ttname"><a href="base_2sysinfo_8h.html#af9b24d4d5b14da2448fa98ed733e0420">MemoryUsage</a></div><div class="ttdeci">int64 MemoryUsage(int unused)</div><div class="ttdef"><b>Definition:</b> <a href="base_2sysinfo_8h_source.html#l00024">base/sysinfo.h:24</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00807">default_search.cc:807</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a9be76edcbd5ccb982d92c8d90421a73c"><div class="ttname"><a href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">operations_research::JoinDebugStringPtr</a></div><div class="ttdeci">std::string JoinDebugStringPtr(const std::vector< T > &v, const std::string &separator)</div><div class="ttdef"><b>Definition:</b> <a href="string__array_8h_source.html#l00045">string_array.h:45</a></div></div>
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<div class="ttc" id="asearch_8cc_html_afe4345441b876a15541007d399b047f1"><div class="ttname"><a href="search_8cc.html#afe4345441b876a15541007d399b047f1">mode_</a></div><div class="ttdeci">const Mode mode_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l01851">search.cc:1851</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a74ea76ea27f48fb1b6e148e1577b3719"><div class="ttname"><a href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a></div><div class="ttdeci">static const int64 kint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00062">integral_types.h:62</a></div></div>
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<div class="ttc" id="aresource_8cc_html_a13421db7d7e84fff732599bcf954c5cc"><div class="ttname"><a href="resource_8cc.html#a13421db7d7e84fff732599bcf954c5cc">time</a></div><div class="ttdeci">int64 time</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l01683">resource.cc:1683</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_a9af93e0c2f02218bf4e586dda448fabe"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#a9af93e0c2f02218bf4e586dda448fabe">operations_research::SearchLog::ApplyDecision</a></div><div class="ttdeci">void ApplyDecision(Decision *const decision) override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00194">search.cc:194</a></div></div>
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<div class="ttc" id="asearch_8cc_html_ac8f969ce45179d0fd0a42ccf7735bcd6"><div class="ttname"><a href="search_8cc.html#ac8f969ce45179d0fd0a42ccf7735bcd6">incremental_</a></div><div class="ttdeci">bool incremental_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03491">search.cc:3491</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_symmetry_manager_html_a0800f12cbda96e835aa5b051656132b5"><div class="ttname"><a href="classoperations__research_1_1_symmetry_manager.html#a0800f12cbda96e835aa5b051656132b5">operations_research::SymmetryManager::AddTermToClause</a></div><div class="ttdeci">void AddTermToClause(SymmetryBreaker *const visitor, IntVar *const term)</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l04642">search.cc:4642</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_search_log_html_a970b194bb0e12ae42db1f1b3ca7ba43e"><div class="ttname"><a href="classoperations__research_1_1_search_log.html#a970b194bb0e12ae42db1f1b3ca7ba43e">operations_research::SearchLog::NoMoreSolutions</a></div><div class="ttdeci">void NoMoreSolutions() override</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l00178">search.cc:178</a></div></div>
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