1299 lines
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1299 lines
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<a href="default__search_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" 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 id="l00003" 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 id="l00004" 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 id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" 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 id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" 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 id="l00009" 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 id="l00010" 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 id="l00011" 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 id="l00012" 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 id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <cstddef></span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <functional></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</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 id="l00026" name="l00026"></a><span class="lineno"> 26</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 id="l00027" name="l00027"></a><span class="lineno"> 27</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 id="l00028" name="l00028"></a><span class="lineno"> 28</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 id="l00029" name="l00029"></a><span class="lineno"> 29</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 id="l00030" name="l00030"></a><span class="lineno"> 30</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 id="l00031" name="l00031"></a><span class="lineno"> 31</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 id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="cached__log_8h.html">ortools/util/cached_log.h</a>"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</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 id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="default__search_8cc.html#acd458c8d08db2d8b1bd2dce9a4307208"> 35</a></span><a class="code hl_function" href="default__search_8cc.html#acd458c8d08db2d8b1bd2dce9a4307208">ABSL_FLAG</a>(<span class="keywordtype">int</span>, cp_impact_divider, 10, <span class="stringliteral">"Divider for continuous update."</span>);</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="comment">// Default constants for search phase parameters.</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="keyword">const</span> <span class="keywordtype">int</span> kDefaultNumberOfSplits = 100;</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keyword">const</span> <span class="keywordtype">int</span> kDefaultHeuristicPeriod = 100;</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">const</span> <span class="keywordtype">int</span> kDefaultHeuristicNumFailuresLimit = 30;</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="keyword">const</span> <span class="keywordtype">bool</span> kDefaultUseLastConflict = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_default_phase_parameters.html#a0d757e1829bae7762734bce78136a139"> 47</a></span><a class="code hl_function" href="structoperations__research_1_1_default_phase_parameters.html#a0d757e1829bae7762734bce78136a139">DefaultPhaseParameters::DefaultPhaseParameters</a>()</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> : var_selection_schema(<a class="code hl_struct" href="structoperations__research_1_1_default_phase_parameters.html">DefaultPhaseParameters</a>::CHOOSE_MAX_SUM_IMPACT),</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> value_selection_schema(<a class="code hl_struct" href="structoperations__research_1_1_default_phase_parameters.html">DefaultPhaseParameters</a>::SELECT_MIN_IMPACT),</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> initialization_splits(kDefaultNumberOfSplits),</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> run_all_heuristics(true),</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> heuristic_period(kDefaultHeuristicPeriod),</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> heuristic_num_failures_limit(kDefaultHeuristicNumFailuresLimit),</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> persistent_impact(true),</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> random_seed(<a class="code hl_function" href="namespaceoperations__research.html#a6daa2481a6bbd7b307647006a8752630">CpRandomSeed</a>()),</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> display_level(<a class="code hl_struct" href="structoperations__research_1_1_default_phase_parameters.html">DefaultPhaseParameters</a>::NORMAL),</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> use_last_conflict(kDefaultUseLastConflict),</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> decision_builder(nullptr) {}</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="comment">// ----- DomainWatcher -----</span></div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="comment">// This class follows the domains of variables and will report the log of the</span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="comment">// search space of all integer variables.</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="keyword">class </span>DomainWatcher {</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> DomainWatcher(<span class="keyword">const</span> std::vector<IntVar*>& vars, <span class="keywordtype">int</span> cache_size)</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> : <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>(vars) {</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> cached_log_.Init(cache_size);</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordtype">double</span> LogSearchSpaceSize() {</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordtype">double</span> result = 0.0;</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = 0; <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> < <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>.size(); ++<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> result += cached_log_.Log2(vars_[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]->Size());</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordtype">double</span> Log2(int64_t size)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> cached_log_.Log2(size); }</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> std::vector<IntVar*> <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>;</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> CachedLog cached_log_;</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <a class="code hl_define" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(DomainWatcher);</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span>};</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="comment">// ---------- FindVar decision visitor ---------</span></div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="keyword">class </span>FindVar : <span class="keyword">public</span> DecisionVisitor {</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">enum</span> Operation { NONE, ASSIGN, SPLIT_LOW, SPLIT_HIGH };</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> FindVar() : var_(nullptr), value_(0), operation_(NONE) {}</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> ~FindVar()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordtype">void</span> VisitSetVariableValue(IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> var_ = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> value_ = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> operation_ = ASSIGN;</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordtype">void</span> VisitSplitVariableDomain(IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>,</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordtype">bool</span> start_with_lower_half)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> var_ = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> value_ = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> operation_ = start_with_lower_half ? SPLIT_LOW : SPLIT_HIGH;</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> }</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordtype">void</span> VisitScheduleOrPostpone(IntervalVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, int64_t est)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> operation_ = NONE;</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> }</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> VisitTryRankFirst(SequenceVar* <span class="keyword">const</span> sequence, <span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> operation_ = NONE;</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> }</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> VisitTryRankLast(SequenceVar* <span class="keyword">const</span> sequence, <span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> operation_ = NONE;</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordtype">void</span> VisitUnknownDecision()<span class="keyword"> override </span>{ operation_ = NONE; }</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// Returns the current variable.</span></div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(operation_, NONE);</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">return</span> var_;</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> }</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// Returns the value of the current variable.</span></div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(operation_, NONE);</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">return</span> value_;</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> }</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> Operation operation()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> operation_; }</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> std::string DebugString()<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">return</span> <span class="stringliteral">"FindVar decision visitor"</span>;</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> IntVar* var_;</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> int64_t value_;</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> Operation operation_;</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span>};</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="comment">// ----- Auxiliary decision builders to init impacts -----</span></div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> </div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="comment">// This class initialize impacts by scanning each value of the domain</span></div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span><span class="comment">// of the variable.</span></div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span><span class="keyword">class </span>InitVarImpacts : <span class="keyword">public</span> DecisionBuilder {</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="comment">// ----- main -----</span></div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> InitVarImpacts()</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> : var_(nullptr),</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> update_impact_callback_(nullptr),</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> new_start_(false),</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> var_index_(0),</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> value_index_(-1),</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> update_impact_closure_([this]() { UpdateImpacts(); }),</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> updater_(update_impact_closure_) {</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(update_impact_closure_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> }</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> ~InitVarImpacts()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordtype">void</span> UpdateImpacts() {</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// the Min is always the value we just set.</span></div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> update_impact_callback_(var_index_, var_->Min());</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keywordtype">void</span> Init(IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntVarIterator* <span class="keyword">const</span> iterator, <span class="keywordtype">int</span> var_index) {</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> var_ = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <a class="code hl_variable" href="expressions_8cc.html#afeb77fb46384728a22a40acd40b28b0c">iterator_</a> = iterator;</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> var_index_ = var_index;</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> new_start_ = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> value_index_ = 0;</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> }</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> Decision* Next(Solver* <span class="keyword">const</span> solver)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(var_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_variable" href="expressions_8cc.html#afeb77fb46384728a22a40acd40b28b0c">iterator_</a> != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">if</span> (new_start_) {</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> active_values_.clear();</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(<a class="code hl_variable" href="expressions_8cc.html#afeb77fb46384728a22a40acd40b28b0c">iterator_</a>)) {</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> active_values_.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> }</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> new_start_ = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> }</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">if</span> (value_index_ == active_values_.size()) {</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> }</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> updater_.var_ = var_;</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> updater_.value_ = active_values_[value_index_];</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> value_index_++;</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordflow">return</span> &updater_;</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> }</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordtype">void</span> set_update_impact_callback(std::function<<span class="keywordtype">void</span>(<span class="keywordtype">int</span>, int64_t)> <a class="code hl_variable" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>) {</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> update_impact_callback_ = std::move(<a class="code hl_variable" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>);</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> }</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="comment">// ----- helper decision -----</span></div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">class </span>AssignCallFail : <span class="keyword">public</span> Decision {</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">explicit</span> AssignCallFail(<span class="keyword">const</span> std::function<<span class="keywordtype">void</span>()>& update_impact_closure)</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> : var_(nullptr),</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> value_(0),</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> update_impact_closure_(update_impact_closure) {</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(update_impact_closure_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> }</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> ~AssignCallFail()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> solver)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(var_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> var_->SetValue(value_);</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// We call the closure on the part that cannot fail.</span></div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> update_impact_closure_();</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> solver->Fail();</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> }</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> solver)<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="comment">// Public data for easy access.</span></div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> IntVar* var_;</div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> int64_t value_;</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keyword">const</span> std::function<void()>& update_impact_closure_;</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <a class="code hl_define" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(AssignCallFail);</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> };</div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> IntVar* var_;</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> std::function<void(<span class="keywordtype">int</span>, int64_t)> update_impact_callback_;</div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordtype">bool</span> new_start_;</div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> IntVarIterator* <a class="code hl_variable" href="expressions_8cc.html#afeb77fb46384728a22a40acd40b28b0c">iterator_</a>;</div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordtype">int</span> var_index_;</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> std::vector<int64_t> active_values_;</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordtype">int</span> value_index_;</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> std::function<void()> update_impact_closure_;</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> AssignCallFail updater_;</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span>};</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="comment">// This class initialize impacts by scanning at most 'split_size'</span></div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span><span class="comment">// intervals on the domain of the variable.</span></div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> </div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span><span class="keyword">class </span>InitVarImpactsWithSplits : <span class="keyword">public</span> DecisionBuilder {</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="comment">// ----- helper decision -----</span></div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keyword">class </span>AssignIntervalCallFail : <span class="keyword">public</span> Decision {</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keyword">explicit</span> AssignIntervalCallFail(</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">const</span> std::function<<span class="keywordtype">void</span>()>& update_impact_closure)</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> : var_(nullptr),</div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <a class="code hl_variable" href="default__search_8cc.html#ad71cbb5360015a4f49c6abdb18300912">value_min_</a>(0),</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <a class="code hl_variable" href="default__search_8cc.html#a940303dc6f65110527ad84ac3c1d7232">value_max_</a>(0),</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> update_impact_closure_(update_impact_closure) {</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(update_impact_closure_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> }</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> ~AssignIntervalCallFail()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> solver)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(var_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> var_->SetRange(<a class="code hl_variable" href="default__search_8cc.html#ad71cbb5360015a4f49c6abdb18300912">value_min_</a>, <a class="code hl_variable" href="default__search_8cc.html#a940303dc6f65110527ad84ac3c1d7232">value_max_</a>);</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="comment">// We call the closure on the part that cannot fail.</span></div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> update_impact_closure_();</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> solver->Fail();</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> }</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> solver)<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> </div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="comment">// Public for easy access.</span></div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> IntVar* var_;</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"><a class="line" href="default__search_8cc.html#ad71cbb5360015a4f49c6abdb18300912"> 272</a></span> int64_t <a class="code hl_variable" href="default__search_8cc.html#ad71cbb5360015a4f49c6abdb18300912">value_min_</a>;</div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"><a class="line" href="default__search_8cc.html#a940303dc6f65110527ad84ac3c1d7232"> 273</a></span> int64_t <a class="code hl_variable" href="default__search_8cc.html#a940303dc6f65110527ad84ac3c1d7232">value_max_</a>;</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="keyword">const</span> std::function<void()>& update_impact_closure_;</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <a class="code hl_define" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(AssignIntervalCallFail);</div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> };</div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> </div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="comment">// ----- main -----</span></div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keyword">explicit</span> InitVarImpactsWithSplits(<span class="keywordtype">int</span> split_size)</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> : var_(nullptr),</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> update_impact_callback_(nullptr),</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> new_start_(false),</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> var_index_(0),</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> min_value_(0),</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> max_value_(0),</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> split_size_(split_size),</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> split_index_(-1),</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> update_impact_closure_([this]() { UpdateImpacts(); }),</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> updater_(update_impact_closure_) {</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(update_impact_closure_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> }</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> ~InitVarImpactsWithSplits()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordtype">void</span> UpdateImpacts() {</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(<a class="code hl_variable" href="expressions_8cc.html#afeb77fb46384728a22a40acd40b28b0c">iterator_</a>)) {</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> update_impact_callback_(var_index_, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> }</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> }</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> </div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordtype">void</span> Init(IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, IntVarIterator* <span class="keyword">const</span> iterator, <span class="keywordtype">int</span> var_index) {</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> var_ = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <a class="code hl_variable" href="expressions_8cc.html#afeb77fb46384728a22a40acd40b28b0c">iterator_</a> = iterator;</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> var_index_ = var_index;</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> new_start_ = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> split_index_ = 0;</div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }</div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> </div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> int64_t IntervalStart(<span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keyword">const</span> int64_t length = max_value_ - min_value_ + 1;</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">return</span> (min_value_ + length * <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> / split_size_);</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> }</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> </div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> Decision* Next(Solver* <span class="keyword">const</span> solver)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">if</span> (new_start_) {</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> min_value_ = var_->Min();</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> max_value_ = var_->Max();</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> new_start_ = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> }</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordflow">if</span> (split_index_ == split_size_) {</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> }</div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> updater_.var_ = var_;</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> updater_.value_min_ = IntervalStart(split_index_);</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> split_index_++;</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">if</span> (split_index_ == split_size_) {</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> updater_.value_max_ = max_value_;</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> updater_.value_max_ = IntervalStart(split_index_) - 1;</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> }</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keywordflow">return</span> &updater_;</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> }</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> </div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keywordtype">void</span> set_update_impact_callback(std::function<<span class="keywordtype">void</span>(<span class="keywordtype">int</span>, int64_t)> <a class="code hl_variable" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>) {</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> update_impact_callback_ = std::move(<a class="code hl_variable" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>);</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> }</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> </div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> IntVar* var_;</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> std::function<void(<span class="keywordtype">int</span>, int64_t)> update_impact_callback_;</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordtype">bool</span> new_start_;</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> IntVarIterator* <a class="code hl_variable" href="expressions_8cc.html#afeb77fb46384728a22a40acd40b28b0c">iterator_</a>;</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keywordtype">int</span> var_index_;</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> int64_t min_value_;</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> int64_t max_value_;</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keyword">const</span> <span class="keywordtype">int</span> split_size_;</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordtype">int</span> split_index_;</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> std::function<void()> update_impact_closure_;</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> AssignIntervalCallFail updater_;</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span>};</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> </div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span><span class="comment">// ----- ImpactRecorder</span></div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> </div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span><span class="comment">// This class will record the impacts of all assignment of values to</span></div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span><span class="comment">// variables. Its main output is to find the optimal pair (variable/value)</span></div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span><span class="comment">// based on default phase parameters.</span></div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span><span class="keyword">class </span>ImpactRecorder : <span class="keyword">public</span> SearchMonitor {</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"><a class="line" href="default__search_8cc.html#aba93685cfc7625455dbc4c61f87e78c8"> 362</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="default__search_8cc.html#aba93685cfc7625455dbc4c61f87e78c8">kLogCacheSize</a>;</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"><a class="line" href="default__search_8cc.html#adb8d98fb250deb02563f7398be4e58f9"> 363</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="default__search_8cc.html#adb8d98fb250deb02563f7398be4e58f9">kPerfectImpact</a>;</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"><a class="line" href="default__search_8cc.html#a89b1a79ac848480ee3ab0e701fa72e38"> 364</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="default__search_8cc.html#a89b1a79ac848480ee3ab0e701fa72e38">kFailureImpact</a>;</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"><a class="line" href="default__search_8cc.html#ac6de7efc20e1cd7befb81b9afd77d777"> 365</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="default__search_8cc.html#ac6de7efc20e1cd7befb81b9afd77d777">kInitFailureImpact</a>;</div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"><a class="line" href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890"> 366</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890">kUninitializedVarIndex</a>;</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> </div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> ImpactRecorder(Solver* <span class="keyword">const</span> solver, DomainWatcher* <span class="keyword">const</span> domain_watcher,</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <a class="code hl_enumeration" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382">DefaultPhaseParameters::DisplayLevel</a> display_level)</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> : SearchMonitor(solver),</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> domain_watcher_(domain_watcher),</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>(vars),</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> size_(vars.size()),</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> current_log_space_(0.0),</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> impacts_(size_),</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> original_min_(size_, 0LL),</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> domain_iterators_(new IntVarIterator*[size_]),</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> display_level_(display_level),</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> current_var_(<a class="code hl_variable" href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890">kUninitializedVarIndex</a>),</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> current_value_(0),</div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> init_done_(false) {</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> domain_iterators_[i] = <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i]->MakeDomainIterator(<span class="keyword">true</span>);</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> var_map_[<a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i]] = i;</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> }</div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> }</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> </div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</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 id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keywordflow">if</span> (!init_done_) {</div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> }</div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> d->Accept(&find_var_);</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keywordflow">if</span> (find_var_.operation() == FindVar::ASSIGN &&</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> var_map_.contains(find_var_.var())) {</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> current_var_ = var_map_[find_var_.var()];</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> current_value_ = find_var_.value();</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> current_log_space_ = domain_watcher_->LogSearchSpaceSize();</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> current_var_ = <a class="code hl_variable" href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890">kUninitializedVarIndex</a>;</div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> current_value_ = 0;</div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> }</div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> }</div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> </div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</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 id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordflow">if</span> (init_done_ && current_var_ != <a class="code hl_variable" href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890">kUninitializedVarIndex</a>) {</div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <span class="keywordflow">if</span> (current_log_space_ > 0.0) {</div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="keyword">const</span> <span class="keywordtype">double</span> log_space = domain_watcher_->LogSearchSpaceSize();</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="keywordflow">if</span> (apply) {</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="keyword">const</span> <span class="keywordtype">double</span> impact = <a class="code hl_variable" href="default__search_8cc.html#adb8d98fb250deb02563f7398be4e58f9">kPerfectImpact</a> - log_space / current_log_space_;</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> UpdateImpact(current_var_, current_value_, impact);</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> current_var_ = <a class="code hl_variable" href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890">kUninitializedVarIndex</a>;</div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> current_value_ = 0;</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> }</div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> current_log_space_ = log_space;</div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> }</div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> }</div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> }</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> </div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="keywordtype">void</span> BeginFail()<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keywordflow">if</span> (init_done_ && current_var_ != <a class="code hl_variable" href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890">kUninitializedVarIndex</a>) {</div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> UpdateImpact(current_var_, current_value_, <a class="code hl_variable" href="default__search_8cc.html#a89b1a79ac848480ee3ab0e701fa72e38">kFailureImpact</a>);</div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> current_var_ = <a class="code hl_variable" href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890">kUninitializedVarIndex</a>;</div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> current_value_ = 0;</div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> }</div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> }</div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> </div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordtype">void</span> ResetAllImpacts() {</div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> original_min_[i] = <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i]->Min();</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="comment">// By default, we init impacts to 2.0 -> equivalent to failure.</span></div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="comment">// This will be overwritten to real impact values on valid domain</span></div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="comment">// values during the FirstRun() method.</span></div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> impacts_[i].resize(vars_[i]->Max() - vars_[i]->Min() + 1,</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <a class="code hl_variable" href="default__search_8cc.html#ac6de7efc20e1cd7befb81b9afd77d777">kInitFailureImpact</a>);</div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> }</div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> </div>
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<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size_; ++i) {</div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < impacts_[i].size(); ++j) {</div>
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<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> impacts_[i][j] = <a class="code hl_variable" href="default__search_8cc.html#ac6de7efc20e1cd7befb81b9afd77d777">kInitFailureImpact</a>;</div>
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<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> }</div>
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<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> }</div>
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<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> }</div>
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<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> </div>
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<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="keywordtype">void</span> UpdateImpact(<span class="keywordtype">int</span> var_index, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <span class="keywordtype">double</span> impact) {</div>
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<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="keyword">const</span> int64_t value_index = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min_[var_index];</div>
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<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="keyword">const</span> <span class="keywordtype">double</span> current_impact = impacts_[var_index][value_index];</div>
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<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="keyword">const</span> <span class="keywordtype">double</span> new_impact =</div>
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<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> (current_impact * (absl::GetFlag(FLAGS_cp_impact_divider) - 1) +</div>
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<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> impact) /</div>
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<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> absl::GetFlag(FLAGS_cp_impact_divider);</div>
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<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> impacts_[var_index][value_index] = new_impact;</div>
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<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> }</div>
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<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> </div>
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<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordtype">void</span> InitImpact(<span class="keywordtype">int</span> var_index, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="keyword">const</span> <span class="keywordtype">double</span> log_space = domain_watcher_->LogSearchSpaceSize();</div>
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<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="keyword">const</span> <span class="keywordtype">double</span> impact = <a class="code hl_variable" href="default__search_8cc.html#adb8d98fb250deb02563f7398be4e58f9">kPerfectImpact</a> - log_space / current_log_space_;</div>
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<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="keyword">const</span> int64_t value_index = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min_[var_index];</div>
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<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(var_index, size_);</div>
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<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(value_index, impacts_[var_index].size());</div>
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<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> impacts_[var_index][value_index] = impact;</div>
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<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> init_count_++;</div>
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<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> }</div>
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<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> </div>
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<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> <span class="keywordtype">void</span> FirstRun(int64_t splits) {</div>
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<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> Solver* <span class="keyword">const</span> s = solver();</div>
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<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> current_log_space_ = domain_watcher_->LogSearchSpaceSize();</div>
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<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="keywordflow">if</span> (display_level_ != <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382ac157bdf0b85a40d2619cbc8bc1ae5fe2">DefaultPhaseParameters::NONE</a>) {</div>
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<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">" - initial log2(SearchSpace) = "</span> << current_log_space_;</div>
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<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> }</div>
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<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keyword">const</span> int64_t init_time = s->wall_time();</div>
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|
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> ResetAllImpacts();</div>
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|
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> int64_t removed_counter = 0;</div>
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|
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> FirstRunVariableContainers* container =</div>
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<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> s->RevAlloc(<span class="keyword">new</span> FirstRunVariableContainers(<span class="keyword">this</span>, splits));</div>
|
|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> <span class="comment">// Loop on the variables, scan domains and initialize impacts.</span></div>
|
|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> var_index = 0; var_index < size_; ++var_index) {</div>
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|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[var_index];</div>
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|
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Bound()) {</div>
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|
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="keywordflow">continue</span>;</div>
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|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> }</div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> IntVarIterator* <span class="keyword">const</span> iterator = domain_iterators_[var_index];</div>
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|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> DecisionBuilder* init_decision_builder = <span class="keyword">nullptr</span>;</div>
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|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> no_split = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Size() < splits;</div>
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<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordflow">if</span> (no_split) {</div>
|
|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <span class="comment">// The domain is small enough, we scan it completely.</span></div>
|
|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> container->without_split()->set_update_impact_callback(</div>
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|
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> container->update_impact_callback());</div>
|
|
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> container->without_split()->Init(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, iterator, var_index);</div>
|
|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> init_decision_builder = container->without_split();</div>
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|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <span class="comment">// The domain is too big, we scan it in initialization_splits</span></div>
|
|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="comment">// intervals.</span></div>
|
|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> container->with_splits()->set_update_impact_callback(</div>
|
|
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> container->update_impact_callback());</div>
|
|
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> container->with_splits()->Init(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, iterator, var_index);</div>
|
|
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> init_decision_builder = container->with_splits();</div>
|
|
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> }</div>
|
|
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> <span class="comment">// Reset the number of impacts initialized.</span></div>
|
|
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> init_count_ = 0;</div>
|
|
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> <span class="comment">// Use Solve() to scan all values of one variable.</span></div>
|
|
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> s->Solve(init_decision_builder);</div>
|
|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> </div>
|
|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> <span class="comment">// If we have not initialized all values, then they can be removed.</span></div>
|
|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="comment">// As the iterator is not stable w.r.t. deletion, we need to store</span></div>
|
|
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="comment">// removed values in an intermediate vector.</span></div>
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|
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <span class="keywordflow">if</span> (init_count_ != <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Size() && no_split) {</div>
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|
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> container->ClearRemovedValues();</div>
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|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(iterator)) {</div>
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|
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="keyword">const</span> int64_t value_index = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min_[var_index];</div>
|
|
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <span class="keywordflow">if</span> (impacts_[var_index][value_index] == <a class="code hl_variable" href="default__search_8cc.html#ac6de7efc20e1cd7befb81b9afd77d777">kInitFailureImpact</a>) {</div>
|
|
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> container->PushBackRemovedValue(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> }</div>
|
|
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> }</div>
|
|
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(container->HasRemovedValues()) << <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->DebugString();</div>
|
|
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> removed_counter += container->NumRemovedValues();</div>
|
|
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="keyword">const</span> <span class="keywordtype">double</span> old_log = domain_watcher_->Log2(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Size());</div>
|
|
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->RemoveValues(container->removed_values());</div>
|
|
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> current_log_space_ += domain_watcher_->Log2(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->Size()) - old_log;</div>
|
|
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> }</div>
|
|
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> }</div>
|
|
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> <span class="keywordflow">if</span> (display_level_ != <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382ac157bdf0b85a40d2619cbc8bc1ae5fe2">DefaultPhaseParameters::NONE</a>) {</div>
|
|
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> <span class="keywordflow">if</span> (removed_counter) {</div>
|
|
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">" - init done, time = "</span> << s->wall_time() - init_time</div>
|
|
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> << <span class="stringliteral">" ms, "</span> << removed_counter</div>
|
|
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> << <span class="stringliteral">" values removed, log2(SearchSpace) = "</span></div>
|
|
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> << current_log_space_;</div>
|
|
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">" - init done, time = "</span> << s->wall_time() - init_time</div>
|
|
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> << <span class="stringliteral">" ms"</span>;</div>
|
|
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> }</div>
|
|
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> }</div>
|
|
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> s->SaveAndSetValue(&init_done_, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> }</div>
|
|
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> </div>
|
|
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> <span class="comment">// This method scans the domain of one variable and returns the sum</span></div>
|
|
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <span class="comment">// of the impacts of all values in its domain, along with the value</span></div>
|
|
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> <span class="comment">// with minimal impact.</span></div>
|
|
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> <span class="keywordtype">void</span> ScanVarImpacts(<span class="keywordtype">int</span> var_index, int64_t* <span class="keyword">const</span> best_impact_value,</div>
|
|
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="keywordtype">double</span>* <span class="keyword">const</span> var_impacts,</div>
|
|
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <a class="code hl_enumeration" href="structoperations__research_1_1_default_phase_parameters.html#a5a43af9bcd9bfec04dbc66cc1a0c1ffd">DefaultPhaseParameters::VariableSelection</a> var_select,</div>
|
|
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> <a class="code hl_enumeration" href="structoperations__research_1_1_default_phase_parameters.html#a859e753eeaea8a2e9a1af1a6aa5f786f">DefaultPhaseParameters::ValueSelection</a> value_select) {</div>
|
|
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(best_impact_value != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(var_impacts != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <span class="keywordtype">double</span> max_impact = -<a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<double>::max</a>();</div>
|
|
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <span class="keywordtype">double</span> min_impact = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<double>::max</a>();</div>
|
|
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> <span class="keywordtype">double</span> sum_var_impact = 0.0;</div>
|
|
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> int64_t min_impact_value = -1;</div>
|
|
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> int64_t max_impact_value = -1;</div>
|
|
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> : InitAndGetValues(domain_iterators_[var_index])) {</div>
|
|
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="keyword">const</span> int64_t value_index = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - original_min_[var_index];</div>
|
|
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(var_index, size_);</div>
|
|
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(value_index, impacts_[var_index].size());</div>
|
|
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="keyword">const</span> <span class="keywordtype">double</span> current_impact = impacts_[var_index][value_index];</div>
|
|
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> sum_var_impact += current_impact;</div>
|
|
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="keywordflow">if</span> (current_impact > max_impact) {</div>
|
|
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> max_impact = current_impact;</div>
|
|
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> max_impact_value = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> }</div>
|
|
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> <span class="keywordflow">if</span> (current_impact < min_impact) {</div>
|
|
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> min_impact = current_impact;</div>
|
|
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> min_impact_value = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> }</div>
|
|
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> }</div>
|
|
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> </div>
|
|
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> <span class="keywordflow">switch</span> (var_select) {</div>
|
|
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a5a43af9bcd9bfec04dbc66cc1a0c1ffdae89afeba83d94a0077202576edff7d20">DefaultPhaseParameters::CHOOSE_MAX_AVERAGE_IMPACT</a>: {</div>
|
|
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> *var_impacts = sum_var_impact / <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[var_index]->Size();</div>
|
|
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> }</div>
|
|
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a5a43af9bcd9bfec04dbc66cc1a0c1ffdaa674cfb9265f697b4ada735c4401aac0">DefaultPhaseParameters::CHOOSE_MAX_VALUE_IMPACT</a>: {</div>
|
|
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> *var_impacts = max_impact;</div>
|
|
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> }</div>
|
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> *var_impacts = sum_var_impact;</div>
|
|
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> }</div>
|
|
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> }</div>
|
|
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> </div>
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<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="keywordflow">switch</span> (value_select) {</div>
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<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a859e753eeaea8a2e9a1af1a6aa5f786faee0a24529a0371855709d8b20c5531f8">DefaultPhaseParameters::SELECT_MIN_IMPACT</a>: {</div>
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<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> *best_impact_value = min_impact_value;</div>
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<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> }</div>
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<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a859e753eeaea8a2e9a1af1a6aa5f786fa2537cfa97cf345dda1b14e7da07b60d9">DefaultPhaseParameters::SELECT_MAX_IMPACT</a>: {</div>
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<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> *best_impact_value = max_impact_value;</div>
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<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> }</div>
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<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> }</div>
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<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> }</div>
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<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> </div>
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<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"ImpactRecorder"</span>; }</div>
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<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> </div>
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<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <span class="comment">// A container for the variables needed in FirstRun that is reversibly</span></div>
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<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> <span class="comment">// allocable.</span></div>
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<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <span class="keyword">class </span>FirstRunVariableContainers : <span class="keyword">public</span> BaseObject {</div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> FirstRunVariableContainers(ImpactRecorder* impact_recorder, int64_t splits)</div>
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<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> : update_impact_callback_(</div>
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<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> [impact_recorder](int var_index, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> impact_recorder->InitImpact(var_index, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> }),</div>
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<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> removed_values_(),</div>
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<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> without_splits_(),</div>
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<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> with_splits_(splits) {}</div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> std::function<void(<span class="keywordtype">int</span>, int64_t)> update_impact_callback()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="keywordflow">return</span> update_impact_callback_;</div>
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|
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> }</div>
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<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <span class="keywordtype">void</span> PushBackRemovedValue(int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> removed_values_.push_back(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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|
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> }</div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="keywordtype">bool</span> HasRemovedValues()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !removed_values_.empty(); }</div>
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<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="keywordtype">void</span> ClearRemovedValues() { removed_values_.clear(); }</div>
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<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordtype">size_t</span> NumRemovedValues()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> removed_values_.size(); }</div>
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<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="keyword">const</span> std::vector<int64_t>& removed_values()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> <span class="keywordflow">return</span> removed_values_;</div>
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<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> }</div>
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<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> InitVarImpacts* without_split() { <span class="keywordflow">return</span> &without_splits_; }</div>
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<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> InitVarImpactsWithSplits* with_splits() { <span class="keywordflow">return</span> &with_splits_; }</div>
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<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> </div>
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<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> std::string DebugString()<span class="keyword"> const override </span>{</div>
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<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> <span class="keywordflow">return</span> <span class="stringliteral">"FirstRunVariableContainers"</span>;</div>
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<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> }</div>
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|
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> </div>
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|
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <span class="keyword">private</span>:</div>
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|
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> <span class="keyword">const</span> std::function<void(<span class="keywordtype">int</span>, int64_t)> update_impact_callback_;</div>
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|
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> std::vector<int64_t> removed_values_;</div>
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|
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> InitVarImpacts without_splits_;</div>
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|
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> InitVarImpactsWithSplits with_splits_;</div>
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|
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> };</div>
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|
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> </div>
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|
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> DomainWatcher* <span class="keyword">const</span> domain_watcher_;</div>
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|
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> std::vector<IntVar*> <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>;</div>
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|
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size_;</div>
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|
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <span class="keywordtype">double</span> current_log_space_;</div>
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|
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> <span class="comment">// impacts_[i][j] stores the average search space reduction when assigning</span></div>
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|
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> <span class="comment">// original_min_[i] + j to variable i.</span></div>
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<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> std::vector<std::vector<double> > impacts_;</div>
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|
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> std::vector<int64_t> original_min_;</div>
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<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> std::unique_ptr<IntVarIterator*[]> domain_iterators_;</div>
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|
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> int64_t init_count_;</div>
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<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382">DefaultPhaseParameters::DisplayLevel</a> display_level_;</div>
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<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="keywordtype">int</span> current_var_;</div>
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|
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> int64_t current_value_;</div>
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|
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> FindVar find_var_;</div>
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|
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> absl::flat_hash_map<const IntVar*, int> var_map_;</div>
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|
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keywordtype">bool</span> init_done_;</div>
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|
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> </div>
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<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <a class="code hl_define" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(ImpactRecorder);</div>
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|
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span>};</div>
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<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> </div>
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<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span><span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="default__search_8cc.html#aba93685cfc7625455dbc4c61f87e78c8">ImpactRecorder::kLogCacheSize</a> = 1000;</div>
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<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span><span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="default__search_8cc.html#adb8d98fb250deb02563f7398be4e58f9">ImpactRecorder::kPerfectImpact</a> = 1.0;</div>
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<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span><span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="default__search_8cc.html#a89b1a79ac848480ee3ab0e701fa72e38">ImpactRecorder::kFailureImpact</a> = 1.0;</div>
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<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span><span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="default__search_8cc.html#ac6de7efc20e1cd7befb81b9afd77d777">ImpactRecorder::kInitFailureImpact</a> = 2.0;</div>
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<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span><span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890">ImpactRecorder::kUninitializedVarIndex</a> = -1;</div>
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<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> </div>
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|
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span><span class="comment">// This structure stores 'var[index] (left?==:!=) value'.</span></div>
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<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span><span class="keyword">class </span>ChoiceInfo {</div>
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<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> ChoiceInfo() : value_(0), var_(nullptr), left_(false) {}</div>
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<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> </div>
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<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> ChoiceInfo(IntVar* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <span class="keywordtype">bool</span> left)</div>
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<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> : value_(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>), var_(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>), left_(left) {}</div>
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<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> </div>
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<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> std::string DebugString()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"%s %s %d"</span>, var_->name(), (left_ ? <span class="stringliteral">"=="</span> : <span class="stringliteral">"!="</span>),</div>
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<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> value_);</div>
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<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> }</div>
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<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> </div>
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<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> IntVar* <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> var_; }</div>
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<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> </div>
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<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> <span class="keywordtype">bool</span> left()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> left_; }</div>
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<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> </div>
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<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> value_; }</div>
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<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> </div>
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<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="keywordtype">void</span> set_left(<span class="keywordtype">bool</span> left) { left_ = left; }</div>
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<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> </div>
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<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="keyword">private</span>:</div>
|
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<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> int64_t value_;</div>
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<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> IntVar* var_;</div>
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<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="keywordtype">bool</span> left_;</div>
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<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span>};</div>
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<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> </div>
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<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span><span class="comment">// ---------- Heuristics ----------</span></div>
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<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> </div>
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<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span><span class="keyword">class </span>RunHeuristicsAsDives : <span class="keyword">public</span> Decision {</div>
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<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> RunHeuristicsAsDives(Solver* <span class="keyword">const</span> solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> <a class="code hl_enumeration" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382">DefaultPhaseParameters::DisplayLevel</a> level,</div>
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<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> <span class="keywordtype">bool</span> run_all_heuristics, <span class="keywordtype">int</span> random_seed,</div>
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<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> <span class="keywordtype">int</span> heuristic_period, <span class="keywordtype">int</span> heuristic_num_failures_limit)</div>
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<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> : heuristic_limit_(nullptr),</div>
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<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> display_level_(level),</div>
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<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> run_all_heuristics_(run_all_heuristics),</div>
|
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<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> random_(random_seed),</div>
|
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<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> heuristic_period_(heuristic_period),</div>
|
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<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> heuristic_branch_count_(0),</div>
|
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<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> heuristic_runs_(0) {</div>
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<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> Init(solver, vars, heuristic_num_failures_limit);</div>
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<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> }</div>
|
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<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> </div>
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<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> ~RunHeuristicsAsDives()<span class="keyword"> override </span>{ <a class="code hl_function" href="namespacegtl.html#a4ee3db0c4acaa0f277a0d7006f5ad1e6">gtl::STLDeleteElements</a>(&heuristics_); }</div>
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<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> </div>
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<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> solver)<span class="keyword"> override </span>{</div>
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<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> <span class="keywordflow">if</span> (!RunAllHeuristics(solver)) {</div>
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<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> solver->Fail();</div>
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<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> }</div>
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<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> }</div>
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<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> </div>
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<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> solver)<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> </div>
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<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> <span class="keywordtype">bool</span> ShouldRun() {</div>
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<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> <span class="keywordflow">if</span> (heuristic_period_ <= 0) {</div>
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<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> }</div>
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<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> ++heuristic_branch_count_;</div>
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<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> <span class="keywordflow">return</span> heuristic_branch_count_ % heuristic_period_ == 0;</div>
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<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> }</div>
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<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> </div>
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<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> <span class="keywordtype">bool</span> RunOneHeuristic(Solver* <span class="keyword">const</span> solver, <span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> HeuristicWrapper* <span class="keyword">const</span> wrapper = heuristics_[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> heuristic_runs_++;</div>
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<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> </div>
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<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> result =</div>
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<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> solver->SolveAndCommit(wrapper->phase, heuristic_limit_);</div>
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<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> <span class="keywordflow">if</span> (result && display_level_ != <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382ac157bdf0b85a40d2619cbc8bc1ae5fe2">DefaultPhaseParameters::NONE</a>) {</div>
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<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">" --- solution found by heuristic "</span> << wrapper->name</div>
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<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> << <span class="stringliteral">" --- "</span>;</div>
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<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> }</div>
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<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> }</div>
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<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> </div>
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<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> <span class="keywordtype">bool</span> RunAllHeuristics(Solver* <span class="keyword">const</span> solver) {</div>
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<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> <span class="keywordflow">if</span> (run_all_heuristics_) {</div>
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<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = 0; <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> < heuristics_.size(); ++<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> run = 0; run < heuristics_[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]->runs; ++run) {</div>
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<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> <span class="keywordflow">if</span> (RunOneHeuristic(solver, <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
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<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span> }</div>
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<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> }</div>
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<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span> }</div>
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<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> <a class="code hl_define" href="base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a>(heuristics_.size(), 0);</div>
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<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = absl::Uniform<int>(random_, 0, heuristics_.size());</div>
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<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> <span class="keywordflow">return</span> RunOneHeuristic(solver, <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> }</div>
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<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> }</div>
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<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> </div>
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<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> <span class="keywordtype">int</span> Rand32(<span class="keywordtype">int</span> size) {</div>
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<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <a class="code hl_define" href="base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a>(size, 0);</div>
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<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> <span class="keywordflow">return</span> absl::Uniform<int>(random_, 0, size);</div>
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<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> }</div>
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<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> </div>
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<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> <span class="keywordtype">void</span> Init(Solver* <span class="keyword">const</span> solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> <span class="keywordtype">int</span> heuristic_num_failures_limit) {</div>
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<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kRunOnce = 1;</div>
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<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kRunMore = 2;</div>
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<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kRunALot = 3;</div>
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<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> </div>
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<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> heuristics_.push_back(<span class="keyword">new</span> HeuristicWrapper(</div>
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<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> solver, vars, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a51ebcb4577d6f214dc22b869c9774448">Solver::CHOOSE_MIN_SIZE_LOWEST_MIN</a>,</div>
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<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a26ee6f4132972f3880a16bf01faf5886">Solver::ASSIGN_MIN_VALUE</a>, <span class="stringliteral">"AssignMinValueToMinDomainSize"</span>, kRunOnce));</div>
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<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> </div>
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<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> heuristics_.push_back(<span class="keyword">new</span> HeuristicWrapper(</div>
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<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> solver, vars, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a67ae4822c2c057bc55386cab118bbd70">Solver::CHOOSE_MIN_SIZE_HIGHEST_MAX</a>,</div>
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<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a6cc67468f22769f3bdfe3032b760b8c0">Solver::ASSIGN_MAX_VALUE</a>, <span class="stringliteral">"AssignMaxValueToMinDomainSize"</span>, kRunOnce));</div>
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<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> </div>
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<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> heuristics_.push_back(</div>
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<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span> <span class="keyword">new</span> HeuristicWrapper(solver, vars, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a51ebcb4577d6f214dc22b869c9774448">Solver::CHOOSE_MIN_SIZE_LOWEST_MIN</a>,</div>
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<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a18c9277012e856da1bf8fcdbe79b2173">Solver::ASSIGN_CENTER_VALUE</a>,</div>
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<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"> 775</span> <span class="stringliteral">"AssignCenterValueToMinDomainSize"</span>, kRunOnce));</div>
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<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> </div>
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<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> heuristics_.push_back(<span class="keyword">new</span> HeuristicWrapper(</div>
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<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> solver, vars, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a1a148a0aaaad7f56eea42df9876e7ae9">Solver::CHOOSE_FIRST_UNBOUND</a>, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a56859813749c27c6c20f8cdfec9eb9c2">Solver::ASSIGN_RANDOM_VALUE</a>,</div>
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<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <span class="stringliteral">"AssignRandomValueToFirstUnbound"</span>, kRunALot));</div>
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<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> </div>
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<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> heuristics_.push_back(<span class="keyword">new</span> HeuristicWrapper(</div>
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<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> solver, vars, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a0dd29a5b1114a3da001126046058304c">Solver::CHOOSE_RANDOM</a>, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a26ee6f4132972f3880a16bf01faf5886">Solver::ASSIGN_MIN_VALUE</a>,</div>
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<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> <span class="stringliteral">"AssignMinValueToRandomVariable"</span>, kRunMore));</div>
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<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> </div>
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<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> heuristics_.push_back(<span class="keyword">new</span> HeuristicWrapper(</div>
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<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> solver, vars, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a0dd29a5b1114a3da001126046058304c">Solver::CHOOSE_RANDOM</a>, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a6cc67468f22769f3bdfe3032b760b8c0">Solver::ASSIGN_MAX_VALUE</a>,</div>
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<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> <span class="stringliteral">"AssignMaxValueToRandomVariable"</span>, kRunMore));</div>
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<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> </div>
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<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> heuristics_.push_back(<span class="keyword">new</span> HeuristicWrapper(</div>
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<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> solver, vars, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a0dd29a5b1114a3da001126046058304c">Solver::CHOOSE_RANDOM</a>, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a56859813749c27c6c20f8cdfec9eb9c2">Solver::ASSIGN_RANDOM_VALUE</a>,</div>
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<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> <span class="stringliteral">"AssignRandomValueToRandomVariable"</span>, kRunMore));</div>
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<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> </div>
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<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> heuristic_limit_ = solver->MakeFailuresLimit(heuristic_num_failures_limit);</div>
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<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> }</div>
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<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> </div>
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<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <span class="keywordtype">int</span> heuristic_runs()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> heuristic_runs_; }</div>
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<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> </div>
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<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> <span class="comment">// This class wraps one heuristic with extra information: name and</span></div>
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<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> <span class="comment">// number of runs.</span></div>
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<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> <span class="keyword">struct </span>HeuristicWrapper {</div>
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<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> HeuristicWrapper(Solver* <span class="keyword">const</span> solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span> <a class="code hl_enumeration" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601">Solver::IntVarStrategy</a> var_strategy,</div>
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<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> <a class="code hl_enumeration" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84">Solver::IntValueStrategy</a> value_strategy,</div>
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<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"> 805</span> <span class="keyword">const</span> std::string& heuristic_name, <span class="keywordtype">int</span> heuristic_runs)</div>
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<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span> : <a class="code hl_variable" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a>(solver->MakePhase(vars, var_strategy, value_strategy)),</div>
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<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>(heuristic_name),</div>
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<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> <a class="code hl_variable" href="default__search_8cc.html#a29f7ae4ecca887a7b2778dfdce83700d">runs</a>(heuristic_runs) {}</div>
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<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> </div>
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<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> <span class="comment">// The decision builder we are going to use in this dive.</span></div>
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<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"><a class="line" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25"> 811</a></span> DecisionBuilder* <span class="keyword">const</span> <a class="code hl_variable" href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a>;</div>
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<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> <span class="comment">// A name for logging purposes.</span></div>
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<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"><a class="line" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267"> 813</a></span> <span class="keyword">const</span> std::string <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>;</div>
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<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> <span class="comment">// How many times we will run this particular heuristic in case the</span></div>
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<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> <span class="comment">// parameter run_all_heuristics is true. This is useful for random</span></div>
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<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> <span class="comment">// heuristics where it makes sense to run them more than once.</span></div>
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<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"><a class="line" href="default__search_8cc.html#a29f7ae4ecca887a7b2778dfdce83700d"> 817</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="default__search_8cc.html#a29f7ae4ecca887a7b2778dfdce83700d">runs</a>;</div>
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<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> };</div>
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<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> </div>
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<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> std::vector<HeuristicWrapper*> heuristics_;</div>
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<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> SearchMonitor* heuristic_limit_;</div>
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<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> <a class="code hl_enumeration" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382">DefaultPhaseParameters::DisplayLevel</a> display_level_;</div>
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<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <span class="keywordtype">bool</span> run_all_heuristics_;</div>
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<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> std::mt19937 random_;</div>
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<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> <span class="keyword">const</span> <span class="keywordtype">int</span> heuristic_period_;</div>
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<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> <span class="keywordtype">int</span> heuristic_branch_count_;</div>
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<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> <span class="keywordtype">int</span> heuristic_runs_;</div>
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<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span>};</div>
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<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> </div>
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<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span><span class="comment">// ---------- DefaultIntegerSearch ----------</span></div>
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<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> </div>
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<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span><span class="comment">// Default phase decision builder.</span></div>
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<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span><span class="keyword">class </span>DefaultIntegerSearch : <span class="keyword">public</span> DecisionBuilder {</div>
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<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"><a class="line" href="default__search_8cc.html#a820ac1afde92c3c5a8f5fbd2a3664fbb"> 835</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="default__search_8cc.html#a820ac1afde92c3c5a8f5fbd2a3664fbb">kSmallSearchSpaceLimit</a>;</div>
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<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> </div>
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<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> DefaultIntegerSearch(Solver* <span class="keyword">const</span> solver, <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <span class="keyword">const</span> DefaultPhaseParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>)</div>
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<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> : <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>(vars),</div>
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<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> parameters_(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>),</div>
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<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> domain_watcher_(vars, ImpactRecorder::<a class="code hl_variable" href="default__search_8cc.html#aba93685cfc7625455dbc4c61f87e78c8">kLogCacheSize</a>),</div>
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<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> impact_recorder_(solver, &domain_watcher_, vars,</div>
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<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.display_level),</div>
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<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> heuristics_(solver, <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>, parameters_.display_level,</div>
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<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> parameters_.run_all_heuristics, parameters_.random_seed,</div>
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<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> parameters_.heuristic_period,</div>
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<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> parameters_.heuristic_num_failures_limit),</div>
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<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> find_var_(),</div>
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<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> last_int_var_(nullptr),</div>
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<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> last_int_value_(0),</div>
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|
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> last_operation_(FindVar::NONE),</div>
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|
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> last_conflict_count_(0),</div>
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|
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> init_done_(false) {}</div>
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|
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> </div>
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<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> ~DefaultIntegerSearch()<span class="keyword"> override </span>{}</div>
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<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> </div>
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<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> Decision* Next(Solver* <span class="keyword">const</span> solver)<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> CheckInit(solver);</div>
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<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> </div>
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<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> <span class="keywordflow">if</span> (heuristics_.ShouldRun()) {</div>
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<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> <span class="keywordflow">return</span> &heuristics_;</div>
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<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> }</div>
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<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span> </div>
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<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> Decision* <span class="keyword">const</span> decision = parameters_.decision_builder != <span class="keyword">nullptr</span></div>
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<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"> 865</span> ? parameters_.decision_builder->Next(solver)</div>
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<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> : ImpactNext(solver);</div>
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<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> </div>
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<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> <span class="comment">// Returns early if the search tree is finished anyway.</span></div>
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<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> <span class="keywordflow">if</span> (decision == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> ClearLastDecision();</div>
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|
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> }</div>
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<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> </div>
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<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> <span class="comment">// The main goal of last conflict is to branch on a decision</span></div>
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|
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> <span class="comment">// variable different from the one being evaluated. We need to</span></div>
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|
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> <span class="comment">// retrieve first the variable in the current decision.</span></div>
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<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> decision->Accept(&find_var_);</div>
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<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> IntVar* <span class="keyword">const</span> decision_var =</div>
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<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> find_var_.operation() != FindVar::NONE ? find_var_.var() : <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> </div>
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|
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> <span class="comment">// We will hijack the search heuristics if</span></div>
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|
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> <span class="comment">// - we use last conflict</span></div>
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|
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> <span class="comment">// - we have stored the last decision from the search heuristics</span></div>
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|
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> <span class="comment">// - the variable stored is different from the variable of the current</span></div>
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|
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> <span class="comment">// decision</span></div>
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|
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</span> <span class="comment">// - this variable is not bound already</span></div>
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|
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> <span class="comment">// Furthermore, each case will also verify that the stored decision is</span></div>
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|
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> <span class="comment">// compatible with the current domain variable.</span></div>
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|
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span> <span class="keywordflow">if</span> (parameters_.use_last_conflict && last_int_var_ != <span class="keyword">nullptr</span> &&</div>
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<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> !last_int_var_->Bound() &&</div>
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<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> (decision_var == <span class="keyword">nullptr</span> || decision_var != last_int_var_)) {</div>
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<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> <span class="keywordflow">switch</span> (last_operation_) {</div>
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<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> <span class="keywordflow">case</span> FindVar::ASSIGN: {</div>
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|
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> <span class="keywordflow">if</span> (last_int_var_->Contains(last_int_value_)) {</div>
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<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> Decision* <span class="keyword">const</span> assign =</div>
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<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> solver->MakeAssignVariableValue(last_int_var_, last_int_value_);</div>
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<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> ClearLastDecision();</div>
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<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> last_conflict_count_++;</div>
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<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> <span class="keywordflow">return</span> assign;</div>
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<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> }</div>
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<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> }</div>
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<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> <span class="keywordflow">case</span> FindVar::SPLIT_LOW: {</div>
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<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> <span class="keywordflow">if</span> (last_int_var_->Max() > last_int_value_ &&</div>
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<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> last_int_var_->Min() <= last_int_value_) {</div>
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<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> Decision* <span class="keyword">const</span> split = solver->MakeVariableLessOrEqualValue(</div>
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<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> last_int_var_, last_int_value_);</div>
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<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> ClearLastDecision();</div>
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<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> last_conflict_count_++;</div>
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<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> <span class="keywordflow">return</span> split;</div>
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<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> }</div>
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<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> }</div>
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<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> <span class="keywordflow">case</span> FindVar::SPLIT_HIGH: {</div>
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<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> <span class="keywordflow">if</span> (last_int_var_->Min() < last_int_value_ &&</div>
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<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> last_int_var_->Max() >= last_int_value_) {</div>
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<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> Decision* <span class="keyword">const</span> split = solver->MakeVariableGreaterOrEqualValue(</div>
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|
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> last_int_var_, last_int_value_);</div>
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|
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> ClearLastDecision();</div>
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<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> last_conflict_count_++;</div>
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|
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> <span class="keywordflow">return</span> split;</div>
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|
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> }</div>
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|
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> }</div>
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|
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> <span class="keywordflow">default</span>: {</div>
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|
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> }</div>
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|
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> }</div>
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|
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> }</div>
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|
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> </div>
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|
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> <span class="keywordflow">if</span> (parameters_.use_last_conflict) {</div>
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|
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> <span class="comment">// Store the last decision to replay it upon failure.</span></div>
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|
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span> decision->Accept(&find_var_);</div>
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|
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> <span class="keywordflow">if</span> (find_var_.operation() != FindVar::NONE) {</div>
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|
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> last_int_var_ = find_var_.var();</div>
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|
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span> last_int_value_ = find_var_.value();</div>
|
|
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> last_operation_ = find_var_.operation();</div>
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|
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> }</div>
|
|
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> }</div>
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|
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> </div>
|
|
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <span class="keywordflow">return</span> decision;</div>
|
|
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> }</div>
|
|
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> </div>
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|
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> <span class="keywordtype">void</span> ClearLastDecision() {</div>
|
|
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> last_int_var_ = <span class="keyword">nullptr</span>;</div>
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|
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> last_int_value_ = 0;</div>
|
|
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> last_operation_ = FindVar::NONE;</div>
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|
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> }</div>
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|
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> </div>
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|
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> <span class="keywordtype">void</span> AppendMonitors(Solver* <span class="keyword">const</span> solver,</div>
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|
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> std::vector<SearchMonitor*>* <span class="keyword">const</span> extras)<span class="keyword"> override </span>{</div>
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|
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(solver != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(extras != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> <span class="keywordflow">if</span> (parameters_.decision_builder == <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> extras->push_back(&impact_recorder_);</div>
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|
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> }</div>
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|
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> }</div>
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|
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> </div>
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|
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</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 id="l00960" name="l00960"></a><span class="lineno"> 960</span> visitor->BeginVisitExtension(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#ab2689eae50e311de930f43660cd27034">ModelVisitor::kVariableGroupExtension</a>);</div>
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|
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> visitor->VisitIntegerVariableArrayArgument(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#aa9175e7f7c9d2598d26293435ecd89ce">ModelVisitor::kVarsArgument</a>,</div>
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<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> vars_);</div>
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|
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> visitor->EndVisitExtension(<a class="code hl_variable" href="classoperations__research_1_1_model_visitor.html#ab2689eae50e311de930f43660cd27034">ModelVisitor::kVariableGroupExtension</a>);</div>
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<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> }</div>
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|
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> </div>
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|
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> std::string DebugString()<span class="keyword"> const override </span>{</div>
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|
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> std::string out = <span class="stringliteral">"DefaultIntegerSearch("</span>;</div>
|
|
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> </div>
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|
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> <span class="keywordflow">if</span> (parameters_.decision_builder == <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> out.append(<span class="stringliteral">"Impact Based Search, "</span>);</div>
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|
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> out.append(parameters_.decision_builder->DebugString());</div>
|
|
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> out.append(<span class="stringliteral">", "</span>);</div>
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|
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> }</div>
|
|
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> out.append(<a class="code hl_function" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(vars_, <span class="stringliteral">", "</span>));</div>
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|
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> out.append(<span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> <span class="keywordflow">return</span> out;</div>
|
|
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> }</div>
|
|
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> </div>
|
|
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> std::string StatString()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="default__search_8cc.html#a29f7ae4ecca887a7b2778dfdce83700d">runs</a> = heuristics_.heuristic_runs();</div>
|
|
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> std::string result;</div>
|
|
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="default__search_8cc.html#a29f7ae4ecca887a7b2778dfdce83700d">runs</a> > 0) {</div>
|
|
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> <span class="keywordflow">if</span> (!result.empty()) {</div>
|
|
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> result.append(<span class="stringliteral">", "</span>);</div>
|
|
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> }</div>
|
|
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="default__search_8cc.html#a29f7ae4ecca887a7b2778dfdce83700d">runs</a> == 1) {</div>
|
|
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> result.append(<span class="stringliteral">"1 heuristic run"</span>);</div>
|
|
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> absl::StrAppendFormat(&result, <span class="stringliteral">"%d heuristic runs"</span>, <a class="code hl_variable" href="default__search_8cc.html#a29f7ae4ecca887a7b2778dfdce83700d">runs</a>);</div>
|
|
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> }</div>
|
|
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> }</div>
|
|
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> <span class="keywordflow">if</span> (last_conflict_count_ > 0) {</div>
|
|
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> <span class="keywordflow">if</span> (!result.empty()) {</div>
|
|
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> result.append(<span class="stringliteral">", "</span>);</div>
|
|
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> }</div>
|
|
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> <span class="keywordflow">if</span> (last_conflict_count_ == 1) {</div>
|
|
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> result.append(<span class="stringliteral">"1 last conflict hint"</span>);</div>
|
|
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> absl::StrAppendFormat(&result, <span class="stringliteral">"%d last conflict hints"</span>,</div>
|
|
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> last_conflict_count_);</div>
|
|
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> }</div>
|
|
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> }</div>
|
|
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> }</div>
|
|
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> </div>
|
|
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> <span class="keywordtype">void</span> CheckInit(Solver* <span class="keyword">const</span> solver) {</div>
|
|
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> <span class="keywordflow">if</span> (init_done_) {</div>
|
|
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> }</div>
|
|
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> <span class="keywordflow">if</span> (parameters_.decision_builder == <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> <span class="comment">// Decide if we are doing impacts, no if one variable is too big.</span></div>
|
|
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>.size(); ++i) {</div>
|
|
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> <span class="keywordflow">if</span> (vars_[i]->Max() - vars_[i]->Min() > 0xFFFFFF) {</div>
|
|
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> <span class="keywordflow">if</span> (parameters_.display_level == <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382ace3e26676763569084c86b8c3b67d601">DefaultPhaseParameters::VERBOSE</a>) {</div>
|
|
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Domains are too large, switching to simple "</span></div>
|
|
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> << <span class="stringliteral">"heuristics"</span>;</div>
|
|
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> }</div>
|
|
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> solver->SaveValue(</div>
|
|
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>**<span class="keyword">></span>(&parameters_.decision_builder));</div>
|
|
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> parameters_.decision_builder =</div>
|
|
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> solver->MakePhase(vars_, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a51ebcb4577d6f214dc22b869c9774448">Solver::CHOOSE_MIN_SIZE_LOWEST_MIN</a>,</div>
|
|
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a26ee6f4132972f3880a16bf01faf5886">Solver::ASSIGN_MIN_VALUE</a>);</div>
|
|
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> solver->SaveAndSetValue(&init_done_, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> }</div>
|
|
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> }</div>
|
|
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> <span class="comment">// No if the search space is too small.</span></div>
|
|
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> <span class="keywordflow">if</span> (domain_watcher_.LogSearchSpaceSize() < <a class="code hl_variable" href="default__search_8cc.html#a820ac1afde92c3c5a8f5fbd2a3664fbb">kSmallSearchSpaceLimit</a>) {</div>
|
|
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <span class="keywordflow">if</span> (parameters_.display_level == <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382ace3e26676763569084c86b8c3b67d601">DefaultPhaseParameters::VERBOSE</a>) {</div>
|
|
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Search space is too small, switching to simple "</span></div>
|
|
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> << <span class="stringliteral">"heuristics"</span>;</div>
|
|
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> }</div>
|
|
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> solver->SaveValue(</div>
|
|
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>**<span class="keyword">></span>(&parameters_.decision_builder));</div>
|
|
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> parameters_.decision_builder = solver->MakePhase(</div>
|
|
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> vars_, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a1a148a0aaaad7f56eea42df9876e7ae9">Solver::CHOOSE_FIRST_UNBOUND</a>, <a class="code hl_enumvalue" href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a26ee6f4132972f3880a16bf01faf5886">Solver::ASSIGN_MIN_VALUE</a>);</div>
|
|
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> solver->SaveAndSetValue(&init_done_, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> }</div>
|
|
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> </div>
|
|
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> <span class="keywordflow">if</span> (parameters_.display_level != <a class="code hl_enumvalue" href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382ac157bdf0b85a40d2619cbc8bc1ae5fe2">DefaultPhaseParameters::NONE</a>) {</div>
|
|
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Init impact based search phase on "</span> << <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>.size()</div>
|
|
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> << <span class="stringliteral">" variables, initialization splits = "</span></div>
|
|
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span> << parameters_.initialization_splits</div>
|
|
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> << <span class="stringliteral">", heuristic_period = "</span> << parameters_.heuristic_period</div>
|
|
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> << <span class="stringliteral">", run_all_heuristics = "</span></div>
|
|
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> << parameters_.run_all_heuristics;</div>
|
|
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> }</div>
|
|
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> <span class="comment">// Init the impacts.</span></div>
|
|
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> impact_recorder_.FirstRun(parameters_.initialization_splits);</div>
|
|
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> }</div>
|
|
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> <span class="keywordflow">if</span> (parameters_.persistent_impact) {</div>
|
|
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> init_done_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> solver->SaveAndSetValue(&init_done_, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> }</div>
|
|
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> }</div>
|
|
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> </div>
|
|
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> <span class="comment">// This method will do an exhaustive scan of all domains of all</span></div>
|
|
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> <span class="comment">// variables to select the variable with the maximal sum of impacts</span></div>
|
|
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> <span class="comment">// per value in its domain, and then select the value with the</span></div>
|
|
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> <span class="comment">// minimal impact.</span></div>
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<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> Decision* ImpactNext(Solver* <span class="keyword">const</span> solver) {</div>
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<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> IntVar* <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = 0;</div>
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<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> <span class="keywordtype">double</span> best_var_impact = -<a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<double>::max</a>();</div>
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<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>.size(); ++i) {</div>
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<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> <span class="keywordflow">if</span> (!vars_[i]->Bound()) {</div>
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<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> int64_t current_value = 0;</div>
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<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> <span class="keywordtype">double</span> current_var_impact = 0.0;</div>
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<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> impact_recorder_.ScanVarImpacts(i, &current_value, &current_var_impact,</div>
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<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> parameters_.var_selection_schema,</div>
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<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> parameters_.value_selection_schema);</div>
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<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> <span class="keywordflow">if</span> (current_var_impact > best_var_impact) {</div>
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<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i];</div>
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<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = current_value;</div>
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<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> best_var_impact = current_var_impact;</div>
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<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> }</div>
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<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span> }</div>
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<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> }</div>
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<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> <span class="keywordflow">return</span> solver->MakeAssignVariableValue(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> }</div>
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<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> }</div>
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<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> </div>
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<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> <span class="comment">// ----- data members -----</span></div>
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<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span> </div>
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<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span> std::vector<IntVar*> <a class="code hl_variable" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>;</div>
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<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> DefaultPhaseParameters parameters_;</div>
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<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span> DomainWatcher domain_watcher_;</div>
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<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> ImpactRecorder impact_recorder_;</div>
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<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span> RunHeuristicsAsDives heuristics_;</div>
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<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> FindVar find_var_;</div>
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<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> IntVar* last_int_var_;</div>
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<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> int64_t last_int_value_;</div>
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<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> FindVar::Operation last_operation_;</div>
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<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> <span class="keywordtype">int</span> last_conflict_count_;</div>
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<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> <span class="keywordtype">bool</span> init_done_;</div>
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<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span>};</div>
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<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> </div>
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<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span><span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="default__search_8cc.html#a820ac1afde92c3c5a8f5fbd2a3664fbb">DefaultIntegerSearch::kSmallSearchSpaceLimit</a> = 10.0;</div>
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<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> </div>
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<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span><span class="comment">// ---------- API ----------</span></div>
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<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span> </div>
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<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a733a158778811d96006bf3a550933c19"> 1110</a></span>std::string <a class="code hl_function" href="namespaceoperations__research.html#a733a158778811d96006bf3a550933c19">DefaultPhaseStatString</a>(<a class="code hl_class" href="classoperations__research_1_1_decision_builder.html">DecisionBuilder</a>* db) {</div>
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<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span> DefaultIntegerSearch* <span class="keyword">const</span> dis = <span class="keyword">dynamic_cast<</span>DefaultIntegerSearch*<span class="keyword">></span>(db);</div>
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<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> <span class="keywordflow">return</span> dis != <span class="keyword">nullptr</span> ? dis->StatString() : <span class="stringliteral">""</span>;</div>
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<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span>}</div>
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<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span> </div>
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<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_solver.html#ae83f4bd46d24db9dd2177e84cae8da6d"> 1115</a></span><a class="code hl_class" href="classoperations__research_1_1_decision_builder.html">DecisionBuilder</a>* <a class="code hl_function" href="classoperations__research_1_1_solver.html#ae83f4bd46d24db9dd2177e84cae8da6d">Solver::MakeDefaultPhase</a>(<span class="keyword">const</span> std::vector<IntVar*>& vars) {</div>
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<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> <a class="code hl_struct" href="structoperations__research_1_1_default_phase_parameters.html">DefaultPhaseParameters</a> <a class="code hl_function" href="classoperations__research_1_1_solver.html#a2a0b93a70f0d588f157ade7909c42eff">parameters</a>;</div>
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<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_solver.html#ae83f4bd46d24db9dd2177e84cae8da6d">MakeDefaultPhase</a>(vars, <a class="code hl_function" href="classoperations__research_1_1_solver.html#a2a0b93a70f0d588f157ade7909c42eff">parameters</a>);</div>
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<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span>}</div>
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<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> </div>
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<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_solver.html#aff916492777aed8cc81ce92767cd461a"> 1120</a></span><a class="code hl_class" href="classoperations__research_1_1_decision_builder.html">DecisionBuilder</a>* <a class="code hl_function" href="classoperations__research_1_1_solver.html#ae83f4bd46d24db9dd2177e84cae8da6d">Solver::MakeDefaultPhase</a>(</div>
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<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> <span class="keyword">const</span> std::vector<IntVar*>& vars,</div>
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<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1_default_phase_parameters.html">DefaultPhaseParameters</a>& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) {</div>
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<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">RevAlloc</a>(<span class="keyword">new</span> DefaultIntegerSearch(<span class="keyword">this</span>, vars, <a class="code hl_function" href="classoperations__research_1_1_solver.html#a2a0b93a70f0d588f157ade7909c42eff">parameters</a>));</div>
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<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span>}</div>
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<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a151248525a9e07eb3e6e60ea1c4995eb"><div class="ttname"><a href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a></div><div class="ttdeci">const std::vector< IntVar * > vars_</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00044">alldiff_cst.cc:44</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</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="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00492">base/logging.h:492</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb"><div class="ttname"><a href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a></div><div class="ttdeci">#define CHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00700">base/logging.h:700</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab4f56aa24c4c9cddc47a6abd2d747f9a"><div class="ttname"><a href="base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a></div><div class="ttdeci">#define DCHECK_GT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00892">base/logging.h:892</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a"><div class="ttname"><a href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a></div><div class="ttdeci">#define DCHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00890">base/logging.h:890</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00417">base/logging.h:417</a></div></div>
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<div class="ttc" id="acached__log_8h_html"><div class="ttname"><a href="cached__log_8h.html">cached_log.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_decision_builder_html"><div class="ttname"><a href="classoperations__research_1_1_decision_builder.html">operations_research::DecisionBuilder</a></div><div class="ttdoc">A DecisionBuilder is responsible for creating the search tree.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03285">constraint_solver.h:3285</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_aa9175e7f7c9d2598d26293435ecd89ce"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#aa9175e7f7c9d2598d26293435ecd89ce">operations_research::ModelVisitor::kVarsArgument</a></div><div class="ttdeci">static const char kVarsArgument[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03535">constraint_solver.h:3535</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_model_visitor_html_ab2689eae50e311de930f43660cd27034"><div class="ttname"><a href="classoperations__research_1_1_model_visitor.html#ab2689eae50e311de930f43660cd27034">operations_research::ModelVisitor::kVariableGroupExtension</a></div><div class="ttdeci">static const char kVariableGroupExtension[]</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l03471">constraint_solver.h:3471</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_a2a0b93a70f0d588f157ade7909c42eff"><div class="ttname"><a href="classoperations__research_1_1_solver.html#a2a0b93a70f0d588f157ade7909c42eff">operations_research::Solver::parameters</a></div><div class="ttdeci">ConstraintSolverParameters parameters() const</div><div class="ttdoc">Stored Parameters.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00763">constraint_solver.h:763</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_a45c5a2dd0d47110ef5b00408854d8d84"><div class="ttname"><a href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84">operations_research::Solver::IntValueStrategy</a></div><div class="ttdeci">IntValueStrategy</div><div class="ttdoc">This enum describes the strategy used to select the next variable value to set.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00347">constraint_solver.h:347</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_a45c5a2dd0d47110ef5b00408854d8d84a18c9277012e856da1bf8fcdbe79b2173"><div class="ttname"><a href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a18c9277012e856da1bf8fcdbe79b2173">operations_research::Solver::ASSIGN_CENTER_VALUE</a></div><div class="ttdeci">@ ASSIGN_CENTER_VALUE</div><div class="ttdoc">Selects the first possible value which is the closest to the center of the domain of the selected var...</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00366">constraint_solver.h:366</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_a45c5a2dd0d47110ef5b00408854d8d84a26ee6f4132972f3880a16bf01faf5886"><div class="ttname"><a href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a26ee6f4132972f3880a16bf01faf5886">operations_research::Solver::ASSIGN_MIN_VALUE</a></div><div class="ttdeci">@ ASSIGN_MIN_VALUE</div><div class="ttdoc">Selects the min value of the selected variable.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00355">constraint_solver.h:355</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_a45c5a2dd0d47110ef5b00408854d8d84a56859813749c27c6c20f8cdfec9eb9c2"><div class="ttname"><a href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a56859813749c27c6c20f8cdfec9eb9c2">operations_research::Solver::ASSIGN_RANDOM_VALUE</a></div><div class="ttdeci">@ ASSIGN_RANDOM_VALUE</div><div class="ttdoc">Selects randomly one of the possible values of the selected variable.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00361">constraint_solver.h:361</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_a45c5a2dd0d47110ef5b00408854d8d84a6cc67468f22769f3bdfe3032b760b8c0"><div class="ttname"><a href="classoperations__research_1_1_solver.html#a45c5a2dd0d47110ef5b00408854d8d84a6cc67468f22769f3bdfe3032b760b8c0">operations_research::Solver::ASSIGN_MAX_VALUE</a></div><div class="ttdeci">@ ASSIGN_MAX_VALUE</div><div class="ttdoc">Selects the max value of the selected variable.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00358">constraint_solver.h:358</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_ab7ab23bc58ea40dc03a5418ddbce7601"><div class="ttname"><a href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601">operations_research::Solver::IntVarStrategy</a></div><div class="ttdeci">IntVarStrategy</div><div class="ttdoc">This enum describes the strategy used to select the next branching variable at each node during the s...</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00266">constraint_solver.h:266</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_ab7ab23bc58ea40dc03a5418ddbce7601a0dd29a5b1114a3da001126046058304c"><div class="ttname"><a href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a0dd29a5b1114a3da001126046058304c">operations_research::Solver::CHOOSE_RANDOM</a></div><div class="ttdeci">@ CHOOSE_RANDOM</div><div class="ttdoc">Randomly select one of the remaining unbound variables.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00279">constraint_solver.h:279</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_ab7ab23bc58ea40dc03a5418ddbce7601a1a148a0aaaad7f56eea42df9876e7ae9"><div class="ttname"><a href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a1a148a0aaaad7f56eea42df9876e7ae9">operations_research::Solver::CHOOSE_FIRST_UNBOUND</a></div><div class="ttdeci">@ CHOOSE_FIRST_UNBOUND</div><div class="ttdoc">Select the first unbound variable.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00276">constraint_solver.h:276</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_ab7ab23bc58ea40dc03a5418ddbce7601a51ebcb4577d6f214dc22b869c9774448"><div class="ttname"><a href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a51ebcb4577d6f214dc22b869c9774448">operations_research::Solver::CHOOSE_MIN_SIZE_LOWEST_MIN</a></div><div class="ttdeci">@ CHOOSE_MIN_SIZE_LOWEST_MIN</div><div class="ttdoc">Among unbound variables, select the variable with the smallest size, i.e., the smallest number of pos...</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00287">constraint_solver.h:287</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_ab7ab23bc58ea40dc03a5418ddbce7601a67ae4822c2c057bc55386cab118bbd70"><div class="ttname"><a href="classoperations__research_1_1_solver.html#ab7ab23bc58ea40dc03a5418ddbce7601a67ae4822c2c057bc55386cab118bbd70">operations_research::Solver::CHOOSE_MIN_SIZE_HIGHEST_MAX</a></div><div class="ttdeci">@ CHOOSE_MIN_SIZE_HIGHEST_MAX</div><div class="ttdoc">Among unbound variables, select the variable with the smallest size, i.e., the smallest number of pos...</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00311">constraint_solver.h:311</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_ae83f4bd46d24db9dd2177e84cae8da6d"><div class="ttname"><a href="classoperations__research_1_1_solver.html#ae83f4bd46d24db9dd2177e84cae8da6d">operations_research::Solver::MakeDefaultPhase</a></div><div class="ttdeci">DecisionBuilder * MakeDefaultPhase(const std::vector< IntVar * > &vars)</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l01115">default_search.cc:1115</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_html_af5a1f8b1ea0ab0796c8667b9e2ef0ce7"><div class="ttname"><a href="classoperations__research_1_1_solver.html#af5a1f8b1ea0ab0796c8667b9e2ef0ce7">operations_research::Solver::RevAlloc</a></div><div class="ttdeci">T * RevAlloc(T *object)</div><div class="ttdoc">Registers the given object as being reversible.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00791">constraint_solver.h:791</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="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="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="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#l00120">cp_model_fz_solver.cc:120</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_a29f7ae4ecca887a7b2778dfdce83700d"><div class="ttname"><a href="default__search_8cc.html#a29f7ae4ecca887a7b2778dfdce83700d">runs</a></div><div class="ttdeci">const int runs</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00817">default_search.cc:817</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_a820ac1afde92c3c5a8f5fbd2a3664fbb"><div class="ttname"><a href="default__search_8cc.html#a820ac1afde92c3c5a8f5fbd2a3664fbb">kSmallSearchSpaceLimit</a></div><div class="ttdeci">static const double kSmallSearchSpaceLimit</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00835">default_search.cc:835</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_a894bdc68b09577c1504d2439c29c0890"><div class="ttname"><a href="default__search_8cc.html#a894bdc68b09577c1504d2439c29c0890">kUninitializedVarIndex</a></div><div class="ttdeci">static const int kUninitializedVarIndex</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00366">default_search.cc:366</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_a89b1a79ac848480ee3ab0e701fa72e38"><div class="ttname"><a href="default__search_8cc.html#a89b1a79ac848480ee3ab0e701fa72e38">kFailureImpact</a></div><div class="ttdeci">static const double kFailureImpact</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00364">default_search.cc:364</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_a940303dc6f65110527ad84ac3c1d7232"><div class="ttname"><a href="default__search_8cc.html#a940303dc6f65110527ad84ac3c1d7232">value_max_</a></div><div class="ttdeci">int64_t value_max_</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00273">default_search.cc:273</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_aba93685cfc7625455dbc4c61f87e78c8"><div class="ttname"><a href="default__search_8cc.html#aba93685cfc7625455dbc4c61f87e78c8">kLogCacheSize</a></div><div class="ttdeci">static const int kLogCacheSize</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00362">default_search.cc:362</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#l00813">default_search.cc:813</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac6de7efc20e1cd7befb81b9afd77d777"><div class="ttname"><a href="default__search_8cc.html#ac6de7efc20e1cd7befb81b9afd77d777">kInitFailureImpact</a></div><div class="ttdeci">static const double kInitFailureImpact</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00365">default_search.cc:365</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_acd458c8d08db2d8b1bd2dce9a4307208"><div class="ttname"><a href="default__search_8cc.html#acd458c8d08db2d8b1bd2dce9a4307208">ABSL_FLAG</a></div><div class="ttdeci">ABSL_FLAG(int, cp_impact_divider, 10, "Divider for continuous update.")</div></div>
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<div class="ttc" id="adefault__search_8cc_html_ad1547dc5c5aeb23eaccef64028eaef25"><div class="ttname"><a href="default__search_8cc.html#ad1547dc5c5aeb23eaccef64028eaef25">phase</a></div><div class="ttdeci">DecisionBuilder *const phase</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00811">default_search.cc:811</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ad71cbb5360015a4f49c6abdb18300912"><div class="ttname"><a href="default__search_8cc.html#ad71cbb5360015a4f49c6abdb18300912">value_min_</a></div><div class="ttdeci">int64_t value_min_</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00272">default_search.cc:272</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_adb8d98fb250deb02563f7398be4e58f9"><div class="ttname"><a href="default__search_8cc.html#adb8d98fb250deb02563f7398be4e58f9">kPerfectImpact</a></div><div class="ttdeci">static const double kPerfectImpact</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00363">default_search.cc:363</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
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<div class="ttc" id="aexpressions_8cc_html_afeb77fb46384728a22a40acd40b28b0c"><div class="ttname"><a href="expressions_8cc.html#afeb77fb46384728a22a40acd40b28b0c">iterator_</a></div><div class="ttdeci">IntVarIterator *const iterator_</div><div class="ttdef"><b>Definition:</b> <a href="expressions_8cc_source.html#l02189">expressions.cc:2189</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#l00515">gurobi_interface.cc:515</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="alog__severity_8h_html_ab4a2cbab234914b320b7fae11b6e8cb9"><div class="ttname"><a href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a></div><div class="ttdeci">const int INFO</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</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="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="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="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</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="anamespaceoperations__research_html_a6daa2481a6bbd7b307647006a8752630"><div class="ttname"><a href="namespaceoperations__research.html#a6daa2481a6bbd7b307647006a8752630">operations_research::CpRandomSeed</a></div><div class="ttdeci">int64_t CpRandomSeed()</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00160">constraint_solver.h:160</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a733a158778811d96006bf3a550933c19"><div class="ttname"><a href="namespaceoperations__research.html#a733a158778811d96006bf3a550933c19">operations_research::DefaultPhaseStatString</a></div><div class="ttdeci">std::string DefaultPhaseStatString(DecisionBuilder *db)</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l01110">default_search.cc:1110</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="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#l00509">pack.cc:509</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="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="astructoperations__research_1_1_default_phase_parameters_html"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html">operations_research::DefaultPhaseParameters</a></div><div class="ttdoc">This struct holds all parameters for the default search.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00169">constraint_solver.h:169</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a0d757e1829bae7762734bce78136a139"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a0d757e1829bae7762734bce78136a139">operations_research::DefaultPhaseParameters::DefaultPhaseParameters</a></div><div class="ttdeci">DefaultPhaseParameters()</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00047">default_search.cc:47</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a36703c0bee7e0f1e68f64e0bb9307382"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382">operations_research::DefaultPhaseParameters::DisplayLevel</a></div><div class="ttdeci">DisplayLevel</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00182">constraint_solver.h:182</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a36703c0bee7e0f1e68f64e0bb9307382ac157bdf0b85a40d2619cbc8bc1ae5fe2"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382ac157bdf0b85a40d2619cbc8bc1ae5fe2">operations_research::DefaultPhaseParameters::NONE</a></div><div class="ttdeci">@ NONE</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00182">constraint_solver.h:182</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a36703c0bee7e0f1e68f64e0bb9307382ace3e26676763569084c86b8c3b67d601"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a36703c0bee7e0f1e68f64e0bb9307382ace3e26676763569084c86b8c3b67d601">operations_research::DefaultPhaseParameters::VERBOSE</a></div><div class="ttdeci">@ VERBOSE</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00182">constraint_solver.h:182</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a5a43af9bcd9bfec04dbc66cc1a0c1ffd"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a5a43af9bcd9bfec04dbc66cc1a0c1ffd">operations_research::DefaultPhaseParameters::VariableSelection</a></div><div class="ttdeci">VariableSelection</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00171">constraint_solver.h:171</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a5a43af9bcd9bfec04dbc66cc1a0c1ffdaa674cfb9265f697b4ada735c4401aac0"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a5a43af9bcd9bfec04dbc66cc1a0c1ffdaa674cfb9265f697b4ada735c4401aac0">operations_research::DefaultPhaseParameters::CHOOSE_MAX_VALUE_IMPACT</a></div><div class="ttdeci">@ CHOOSE_MAX_VALUE_IMPACT</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00174">constraint_solver.h:174</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a5a43af9bcd9bfec04dbc66cc1a0c1ffdae89afeba83d94a0077202576edff7d20"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a5a43af9bcd9bfec04dbc66cc1a0c1ffdae89afeba83d94a0077202576edff7d20">operations_research::DefaultPhaseParameters::CHOOSE_MAX_AVERAGE_IMPACT</a></div><div class="ttdeci">@ CHOOSE_MAX_AVERAGE_IMPACT</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00173">constraint_solver.h:173</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a859e753eeaea8a2e9a1af1a6aa5f786f"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a859e753eeaea8a2e9a1af1a6aa5f786f">operations_research::DefaultPhaseParameters::ValueSelection</a></div><div class="ttdeci">ValueSelection</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00177">constraint_solver.h:177</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a859e753eeaea8a2e9a1af1a6aa5f786fa2537cfa97cf345dda1b14e7da07b60d9"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a859e753eeaea8a2e9a1af1a6aa5f786fa2537cfa97cf345dda1b14e7da07b60d9">operations_research::DefaultPhaseParameters::SELECT_MAX_IMPACT</a></div><div class="ttdeci">@ SELECT_MAX_IMPACT</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00179">constraint_solver.h:179</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_default_phase_parameters_html_a859e753eeaea8a2e9a1af1a6aa5f786faee0a24529a0371855709d8b20c5531f8"><div class="ttname"><a href="structoperations__research_1_1_default_phase_parameters.html#a859e753eeaea8a2e9a1af1a6aa5f786faee0a24529a0371855709d8b20c5531f8">operations_research::DefaultPhaseParameters::SELECT_MIN_IMPACT</a></div><div class="ttdeci">@ SELECT_MIN_IMPACT</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00178">constraint_solver.h:178</a></div></div>
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