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1004 lines
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<div class="title">sched_search.cc</div> </div>
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<a href="sched__search_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <cstring></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="constraint__solver_8h.html">ortools/constraint_solver/constraint_solver.h</a>"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="constraint__solveri_8h.html">ortools/constraint_solver/constraint_solveri.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="string__array_8h.html">ortools/util/string_array.h</a>"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ValueToIndex(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) { <span class="keywordflow">return</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> - 1; }</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> IndexToValue(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) { <span class="keywordflow">return</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> + 1; }</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// ----- SequenceVar -----</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// TODO(user): Add better class invariants, in particular checks</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// that ranked_first, ranked_last, and unperformed are truly disjoint.</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> SequenceVar::SequenceVar(Solver* <span class="keyword">const</span> s,</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">const</span> std::vector<IntervalVar*>& intervals,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> std::vector<IntVar*>& nexts,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">const</span> std::string& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>)</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  : PropagationBaseObject(s),</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  intervals_(intervals),</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  nexts_(nexts),</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  previous_(nexts.size() + 1, -1) {</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  set_name(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> }</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> SequenceVar::~SequenceVar() {}</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> IntervalVar* SequenceVar::Interval(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> intervals_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> }</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> IntVar* SequenceVar::Next(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> nexts_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]; }</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> std::string SequenceVar::DebugString()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> hmin, hmax, dmin, dmax;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  HorizonRange(&hmin, &hmax);</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  DurationRange(&dmin, &dmax);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">int</span> unperformed = 0;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">int</span> ranked = 0;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">int</span> not_ranked = 0;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  ComputeStatistics(&ranked, &not_ranked, &unperformed);</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="stringliteral">"%s(horizon = %d..%d, duration = %d..%d, not ranked = %d, ranked = %d, "</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="stringliteral">"nexts = [%s])"</span>,</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>(), hmin, hmax, dmin, dmax, not_ranked, ranked,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">JoinDebugStringPtr</a>(nexts_, <span class="stringliteral">", "</span>));</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keywordtype">void</span> SequenceVar::Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  visitor->VisitSequenceVariable(<span class="keyword">this</span>);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keywordtype">void</span> SequenceVar::DurationRange(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> dmin, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> dmax)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> dur_min = 0;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> dur_max = 0;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < intervals_.size(); ++i) {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  IntervalVar* <span class="keyword">const</span> t = intervals_[i];</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (t->MayBePerformed()) {</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (t->MustBePerformed()) {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  dur_min += t->DurationMin();</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  dur_max += t->DurationMax();</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  *dmin = dur_min;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  *dmax = dur_max;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keywordtype">void</span> SequenceVar::HorizonRange(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> hmin, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> hmax)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> hor_min = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> hor_max = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < intervals_.size(); ++i) {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  IntervalVar* <span class="keyword">const</span> t = intervals_[i];</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (t->MayBePerformed()) {</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  IntervalVar* <span class="keyword">const</span> t = intervals_[i];</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  hor_min = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(hor_min, t->StartMin());</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  hor_max = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(hor_max, t->EndMax());</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  *hmin = hor_min;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  *hmax = hor_max;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keywordtype">void</span> SequenceVar::ActiveHorizonRange(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> hmin,</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> hmax)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  absl::flat_hash_set<int> decided;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < intervals_.size(); ++i) {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (intervals_[i]->CannotBePerformed()) {</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  decided.insert(i);</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">int</span> first = 0;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">while</span> (nexts_[first]->Bound()) {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  first = nexts_[first]->Min();</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (first < nexts_.size()) {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  decided.insert(ValueToIndex(first));</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (first != nexts_.size()) {</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  UpdatePrevious();</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> last = nexts_.size();</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">while</span> (previous_[last] != -1) {</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  last = previous_[last];</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  decided.insert(ValueToIndex(last));</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> hor_min = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> hor_max = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < intervals_.size(); ++i) {</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a>(decided, i)) {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  IntervalVar* <span class="keyword">const</span> t = intervals_[i];</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  hor_min = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(hor_min, t->StartMin());</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  hor_max = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(hor_max, t->EndMax());</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  *hmin = hor_min;</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  *hmax = hor_max;</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> }</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">void</span> SequenceVar::ComputeStatistics(<span class="keywordtype">int</span>* <span class="keyword">const</span> ranked, <span class="keywordtype">int</span>* <span class="keyword">const</span> not_ranked,</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">int</span>* <span class="keyword">const</span> unperformed)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  *unperformed = 0;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < intervals_.size(); ++i) {</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (intervals_[i]->CannotBePerformed()) {</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  (*unperformed)++;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  *ranked = 0;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">int</span> first = 0;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">while</span> (first < nexts_.size() && nexts_[first]->Bound()) {</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  first = nexts_[first]->Min();</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  (*ranked)++;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> (first != nexts_.size()) {</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  UpdatePrevious();</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">int</span> last = nexts_.size();</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">while</span> (previous_[last] != -1) {</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  last = previous_[last];</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  (*ranked)++;</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  } <span class="keywordflow">else</span> { <span class="comment">// We counted the sentinel.</span></div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  (*ranked)--;</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  *not_ranked = intervals_.size() - *ranked - *unperformed;</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> }</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  </div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">int</span> SequenceVar::ComputeForwardFrontier() {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">int</span> first = 0;</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">while</span> (first != nexts_.size() && nexts_[first]->Bound()) {</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  first = nexts_[first]->Min();</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> first;</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> }</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keywordtype">int</span> SequenceVar::ComputeBackwardFrontier() {</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  UpdatePrevious();</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">int</span> last = nexts_.size();</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">while</span> (previous_[last] != -1) {</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  last = previous_[last];</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> last;</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keywordtype">void</span> SequenceVar::ComputePossibleFirstsAndLasts(</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  std::vector<int>* <span class="keyword">const</span> possible_firsts,</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  std::vector<int>* <span class="keyword">const</span> possible_lasts) {</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  possible_firsts->clear();</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  possible_lasts->clear();</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  absl::flat_hash_set<int> to_check;</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < intervals_.size(); ++i) {</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (intervals_[i]->MayBePerformed()) {</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  to_check.insert(i);</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordtype">int</span> first = 0;</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">while</span> (nexts_[first]->Bound()) {</div>
|
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  first = nexts_[first]->Min();</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (first == nexts_.size()) {</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  to_check.erase(ValueToIndex(first));</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  </div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  IntVar* <span class="keyword">const</span> forward_var = nexts_[first];</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  std::vector<int> candidates;</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> smallest_start_max = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordtype">int</span> ssm_support = -1;</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">for</span> (<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> i = forward_var->Min(); i <= forward_var->Max(); ++i) {</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// TODO(user): use domain iterator.</span></div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span> (i != 0 && i < IndexToValue(intervals_.size()) &&</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  intervals_[ValueToIndex(i)]->MayBePerformed() &&</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  forward_var->Contains(i)) {</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> candidate = ValueToIndex(i);</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  candidates.push_back(candidate);</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> (intervals_[candidate]->MustBePerformed()) {</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span> (smallest_start_max > intervals_[candidate]->StartMax()) {</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  smallest_start_max = intervals_[candidate]->StartMax();</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  ssm_support = candidate;</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < candidates.size(); ++i) {</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> candidate = candidates[i];</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (candidate == ssm_support ||</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  intervals_[candidate]->EndMin() <= smallest_start_max) {</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  possible_firsts->push_back(candidate);</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  UpdatePrevious();</div>
|
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordtype">int</span> last = nexts_.size();</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">while</span> (previous_[last] != -1) {</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  last = previous_[last];</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  to_check.erase(ValueToIndex(last));</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div>
|
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  </div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  candidates.clear();</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> biggest_end_min = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordtype">int</span> bem_support = -1;</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> candidate : to_check) {</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (nexts_[IndexToValue(candidate)]->Contains(last)) {</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  candidates.push_back(candidate);</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">if</span> (intervals_[candidate]->MustBePerformed()) {</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span> (biggest_end_min < intervals_[candidate]->EndMin()) {</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  biggest_end_min = intervals_[candidate]->EndMin();</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  bem_support = candidate;</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  </div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < candidates.size(); ++i) {</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> candidate = candidates[i];</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (candidate == bem_support ||</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  intervals_[candidate]->StartMax() >= biggest_end_min) {</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  possible_lasts->push_back(candidate);</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> }</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="keywordtype">void</span> SequenceVar::RankSequence(<span class="keyword">const</span> std::vector<int>& rank_first,</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">const</span> std::vector<int>& rank_last,</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">const</span> std::vector<int>& unperformed) {</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  solver()->GetPropagationMonitor()->RankSequence(<span class="keyword">this</span>, rank_first, rank_last,</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  unperformed);</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">// Mark unperformed.</span></div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> : unperformed) {</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  intervals_[<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>]->SetPerformed(<span class="keyword">false</span>);</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// Forward.</span></div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordtype">int</span> forward = 0;</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < rank_first.size(); ++i) {</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a> = 1 + rank_first[i];</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  nexts_[forward]->SetValue(<a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>);</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  forward = <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>;</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// Backward.</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">int</span> backward = IndexToValue(intervals_.size());</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < rank_last.size(); ++i) {</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a> = 1 + rank_last[i];</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  nexts_[<a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>]->SetValue(backward);</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  backward = <a class="code" href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a>;</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> }</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  </div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="keywordtype">void</span> SequenceVar::RankFirst(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  solver()->GetPropagationMonitor()->RankFirst(<span class="keyword">this</span>, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  intervals_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]->SetPerformed(<span class="keyword">true</span>);</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordtype">int</span> forward_frontier = 0;</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">while</span> (forward_frontier != nexts_.size() &&</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  nexts_[forward_frontier]->Bound()) {</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  forward_frontier = nexts_[forward_frontier]->Min();</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span> (forward_frontier == IndexToValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  DCHECK_LT(forward_frontier, nexts_.size());</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  nexts_[forward_frontier]->SetValue(IndexToValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>));</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> }</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="keywordtype">void</span> SequenceVar::RankNotFirst(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  solver()->GetPropagationMonitor()->RankNotFirst(<span class="keyword">this</span>, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> forward_frontier = ComputeForwardFrontier();</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">if</span> (forward_frontier < nexts_.size()) {</div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  nexts_[forward_frontier]->RemoveValue(IndexToValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>));</div>
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|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> }</div>
|
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  </div>
|
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="keywordtype">void</span> SequenceVar::RankLast(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  solver()->GetPropagationMonitor()->RankLast(<span class="keyword">this</span>, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  intervals_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]->SetPerformed(<span class="keyword">true</span>);</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  UpdatePrevious();</div>
|
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordtype">int</span> backward_frontier = nexts_.size();</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">while</span> (previous_[backward_frontier] != -1) {</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  backward_frontier = previous_[backward_frontier];</div>
|
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span> (backward_frontier == IndexToValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  }</div>
|
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  DCHECK_NE(backward_frontier, 0);</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  nexts_[IndexToValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)]->SetValue(backward_frontier);</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> }</div>
|
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  </div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="keywordtype">void</span> SequenceVar::RankNotLast(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  solver()->GetPropagationMonitor()->RankNotLast(<span class="keyword">this</span>, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> backward_frontier = ComputeBackwardFrontier();</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  nexts_[IndexToValue(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)]->RemoveValue(backward_frontier);</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> }</div>
|
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  </div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="keywordtype">void</span> SequenceVar::UpdatePrevious()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < intervals_.size() + 2; ++i) {</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  previous_[i] = -1;</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  }</div>
|
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < nexts_.size(); ++i) {</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">if</span> (nexts_[i]->Bound()) {</div>
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|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  previous_[nexts_[i]->Min()] = i;</div>
|
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div>
|
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  }</div>
|
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> }</div>
|
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  </div>
|
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="keywordtype">void</span> SequenceVar::FillSequence(std::vector<int>* <span class="keyword">const</span> rank_first,</div>
|
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  std::vector<int>* <span class="keyword">const</span> rank_last,</div>
|
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  std::vector<int>* <span class="keyword">const</span> unperformed)<span class="keyword"> const </span>{</div>
|
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  CHECK(rank_first != <span class="keyword">nullptr</span>);</div>
|
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  CHECK(rank_last != <span class="keyword">nullptr</span>);</div>
|
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  CHECK(unperformed != <span class="keyword">nullptr</span>);</div>
|
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  rank_first->clear();</div>
|
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  rank_last->clear();</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  unperformed->clear();</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < intervals_.size(); ++i) {</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">if</span> (intervals_[i]->CannotBePerformed()) {</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  unperformed->push_back(i);</div>
|
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div>
|
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordtype">int</span> first = 0;</div>
|
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">while</span> (nexts_[first]->Bound()) {</div>
|
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  first = nexts_[first]->Min();</div>
|
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">if</span> (first < nexts_.size()) {</div>
|
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  rank_first->push_back(ValueToIndex(first));</div>
|
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">break</span>;</div>
|
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div>
|
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  }</div>
|
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">if</span> (first != nexts_.size()) {</div>
|
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  UpdatePrevious();</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordtype">int</span> last = nexts_.size();</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">while</span> (previous_[last] != -1) {</div>
|
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  last = previous_[last];</div>
|
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  rank_last->push_back(ValueToIndex(last));</div>
|
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  }</div>
|
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<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  }</div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> }</div>
|
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  </div>
|
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment">// ----- Decisions and DecisionBuilders on interval vars -----</span></div>
|
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<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
|
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<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment">// TODO(user) : treat optional intervals</span></div>
|
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment">// TODO(user) : Call DecisionVisitor and pass name of variable</span></div>
|
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment">// Forward scheduling.</span></div>
|
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="keyword">class </span>ScheduleOrPostpone : <span class="keyword">public</span> Decision {</div>
|
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  ScheduleOrPostpone(IntervalVar* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> est, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> marker)</div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  : var_(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>), est_(est), marker_(marker) {}</div>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  ~ScheduleOrPostpone()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  </div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  var_->SetPerformed(<span class="keyword">true</span>);</div>
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<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (est_.Value() < var_->StartMin()) {</div>
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  est_.SetValue(s, var_->StartMin());</div>
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<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div>
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<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  var_->SetStartRange(est_.Value(), est_.Value());</div>
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<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div>
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<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
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<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  s->SaveAndSetValue(marker_, est_.Value());</div>
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<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div>
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<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  </div>
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<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordtype">void</span> Accept(DecisionVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  CHECK(visitor != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  visitor->VisitScheduleOrPostpone(var_, est_.Value());</div>
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<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  }</div>
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<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  </div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"ScheduleOrPostpone(%s at %d)"</span>, var_->DebugString(),</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  est_.Value());</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  IntervalVar* <span class="keyword">const</span> var_;</div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  NumericalRev<int64> est_;</div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> marker_;</div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> };</div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  </div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="keyword">class </span>SetTimesForward : <span class="keyword">public</span> DecisionBuilder {</div>
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keyword">explicit</span> SetTimesForward(<span class="keyword">const</span> std::vector<IntervalVar*>& vars)</div>
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  : <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>(vars), markers_(vars.size(), <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>) {}</div>
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<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  </div>
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  ~SetTimesForward()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  </div>
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  Decision* Next(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_est = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_lct = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordtype">int</span> support = -1;</div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="comment">// We are looking for the interval that has the smallest start min</span></div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">// (tie break with smallest end max) and is not postponed. And</span></div>
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<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="comment">// you're going to schedule that interval at its start min.</span></div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>.size(); ++i) {</div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  IntervalVar* <span class="keyword">const</span> v = <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i];</div>
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<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (v->MayBePerformed() && v->StartMax() != v->StartMin() &&</div>
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<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  !IsPostponed(i) &&</div>
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<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  (v->StartMin() < best_est ||</div>
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<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  (v->StartMin() == best_est && v->EndMax() < best_lct))) {</div>
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<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  best_est = v->StartMin();</div>
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<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  best_lct = v->EndMax();</div>
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<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  support = i;</div>
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<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  }</div>
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<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  }</div>
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<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="comment">// TODO(user) : remove this crude quadratic loop with</span></div>
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<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="comment">// reversibles range reduction.</span></div>
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<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span> (support == -1) { <span class="comment">// All intervals are either fixed or postponed.</span></div>
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<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  UnperformPostponedTaskBefore(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>);</div>
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<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div>
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<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  UnperformPostponedTaskBefore(best_est);</div>
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<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> s->RevAlloc(</div>
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<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keyword">new</span> ScheduleOrPostpone(vars_[support], best_est, &markers_[support]));</div>
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<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div>
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<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  </div>
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<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"SetTimesForward()"</span>; }</div>
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<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  </div>
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<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  visitor->BeginVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
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<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  visitor->VisitIntervalArrayArgument(ModelVisitor::kIntervalsArgument,</div>
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<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  vars_);</div>
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<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  visitor->EndVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
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<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  }</div>
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<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  </div>
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<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordtype">bool</span> IsPostponed(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  DCHECK(vars_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]->MayBePerformed());</div>
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<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">return</span> <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]->StartMin() <= markers_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  }</div>
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<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  </div>
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<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordtype">void</span> UnperformPostponedTaskBefore(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> date) {</div>
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<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>.size(); ++i) {</div>
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<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  IntervalVar* <span class="keyword">const</span> v = <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i];</div>
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<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (v->MayBePerformed() && v->StartMin() != v->StartMax() &&</div>
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<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  IsPostponed(i) &&</div>
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<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="comment">// There are two rules here:</span></div>
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<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="comment">// - v->StartMax() <= date: the interval should have been scheduled</span></div>
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<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="comment">// as it cannot be scheduled later (assignment is chronological).</span></div>
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<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="comment">// - v->EndMin() <= date: The interval can fit before the current</span></div>
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<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="comment">// start date. In that case, it 'should' always fit, and as it has</span></div>
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<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="comment">// not be scheduled, then we are missing it. So, as a dominance</span></div>
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<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="comment">// rule, it should be marked as unperformed.</span></div>
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<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  (v->EndMin() <= date || v->StartMax() <= date)) {</div>
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  v->SetPerformed(<span class="keyword">false</span>);</div>
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<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  }</div>
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<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div>
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<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div>
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<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  </div>
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<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keyword">const</span> std::vector<IntervalVar*> <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>;</div>
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<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  std::vector<int64> markers_;</div>
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<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> };</div>
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<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  </div>
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<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="comment">// Backward scheduling.</span></div>
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<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="keyword">class </span>ScheduleOrExpedite : <span class="keyword">public</span> Decision {</div>
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<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  ScheduleOrExpedite(IntervalVar* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> est, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> marker)</div>
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<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  : var_(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>), est_(est), marker_(marker) {}</div>
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<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  ~ScheduleOrExpedite()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  </div>
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<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  var_->SetPerformed(<span class="keyword">true</span>);</div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">if</span> (est_.Value() > var_->EndMax()) {</div>
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<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  est_.SetValue(s, var_->EndMax());</div>
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<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  }</div>
|
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<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  var_->SetEndRange(est_.Value(), est_.Value());</div>
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<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div>
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<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  </div>
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<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  s->SaveAndSetValue(marker_, est_.Value() - 1);</div>
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<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  }</div>
|
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<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  </div>
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<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordtype">void</span> Accept(DecisionVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
|
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<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  CHECK(visitor != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  visitor->VisitScheduleOrExpedite(var_, est_.Value());</div>
|
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<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  }</div>
|
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<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  </div>
|
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<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"ScheduleOrExpedite(%s at %d)"</span>, var_->DebugString(),</div>
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<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  est_.Value());</div>
|
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<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  }</div>
|
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<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  </div>
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<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  IntervalVar* <span class="keyword">const</span> var_;</div>
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<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  NumericalRev<int64> est_;</div>
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<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> marker_;</div>
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<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> };</div>
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<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  </div>
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<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="keyword">class </span>SetTimesBackward : <span class="keyword">public</span> DecisionBuilder {</div>
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<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keyword">explicit</span> SetTimesBackward(<span class="keyword">const</span> std::vector<IntervalVar*>& vars)</div>
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<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  : <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>(vars), markers_(vars.size(), <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) {}</div>
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<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  </div>
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<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  ~SetTimesBackward()<span class="keyword"> override </span>{}</div>
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<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  </div>
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<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  Decision* Next(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_end = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_start = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordtype">int</span> support = -1;</div>
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<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordtype">int</span> refuted = 0;</div>
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<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>.size(); ++i) {</div>
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<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  IntervalVar* <span class="keyword">const</span> v = <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>[i];</div>
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<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">if</span> (v->MayBePerformed() && v->EndMax() > v->EndMin()) {</div>
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<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">if</span> (v->EndMax() <= markers_[i] &&</div>
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<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  (v->EndMax() > best_end ||</div>
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<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  (v->EndMax() == best_end && v->StartMin() > best_start))) {</div>
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<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  best_end = v->EndMax();</div>
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<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  best_start = v->StartMin();</div>
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<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  support = i;</div>
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<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  refuted++;</div>
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<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  }</div>
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<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  }</div>
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<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  }</div>
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<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="comment">// TODO(user) : remove this crude quadratic loop with</span></div>
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<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="comment">// reversibles range reduction.</span></div>
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<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keywordflow">if</span> (support == -1) {</div>
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<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">if</span> (refuted == 0) {</div>
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<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  s->Fail();</div>
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<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  }</div>
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<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  }</div>
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<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">return</span> s->RevAlloc(<span class="keyword">new</span> ScheduleOrExpedite(</div>
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<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  vars_[support], vars_[support]->EndMax(), &markers_[support]));</div>
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<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  }</div>
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<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  </div>
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<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  std::string DebugString()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"SetTimesBackward()"</span>; }</div>
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<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  </div>
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<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  visitor->BeginVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
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<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  visitor->VisitIntervalArrayArgument(ModelVisitor::kIntervalsArgument,</div>
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<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  vars_);</div>
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<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  visitor->EndVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
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<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  }</div>
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<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  </div>
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<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keyword">const</span> std::vector<IntervalVar*> <a class="code" href="alldiff__cst_8cc.html#a151248525a9e07eb3e6e60ea1c4995eb">vars_</a>;</div>
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<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  std::vector<int64> markers_;</div>
|
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<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> };</div>
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|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  </div>
|
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<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="comment">// ----- Decisions and DecisionBuilders on sequences -----</span></div>
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<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  </div>
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<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="keyword">class </span>RankFirst : <span class="keyword">public</span> Decision {</div>
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<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  RankFirst(SequenceVar* <span class="keyword">const</span> seq, <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)</div>
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|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  : sequence_(seq), index_(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {}</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  ~RankFirst()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  </div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{ sequence_->RankFirst(index_); }</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  </div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{ sequence_->RankNotFirst(index_); }</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  </div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keywordtype">void</span> Accept(DecisionVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  CHECK(visitor != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  visitor->VisitRankFirstInterval(sequence_, index_);</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  }</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  </div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"RankFirst(%s, %d)"</span>, sequence_->DebugString(),</div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  index_);</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  }</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  </div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  SequenceVar* <span class="keyword">const</span> sequence_;</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> index_;</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> };</div>
|
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<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  </div>
|
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<div class="line"><a name="l00611"></a><span class="lineno"> 611</span> <span class="keyword">class </span>RankLast : <span class="keyword">public</span> Decision {</div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  RankLast(SequenceVar* <span class="keyword">const</span> seq, <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) : sequence_(seq), index_(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {}</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  ~RankLast()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  </div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordtype">void</span> Apply(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{ sequence_->RankLast(index_); }</div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  </div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keywordtype">void</span> Refute(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{ sequence_->RankNotLast(index_); }</div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  </div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="keywordtype">void</span> Accept(DecisionVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  CHECK(visitor != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  visitor->VisitRankLastInterval(sequence_, index_);</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  }</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  </div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  std::string DebugString()<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"RankLast(%s, %d)"</span>, sequence_->DebugString(),</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  index_);</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  }</div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  </div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  SequenceVar* <span class="keyword">const</span> sequence_;</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> index_;</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> };</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  </div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> <span class="keyword">class </span>RankFirstIntervalVars : <span class="keyword">public</span> DecisionBuilder {</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  RankFirstIntervalVars(<span class="keyword">const</span> std::vector<SequenceVar*>& sequences,</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  Solver::SequenceStrategy str)</div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  : sequences_(sequences), strategy_(str) {}</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  </div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  ~RankFirstIntervalVars()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  </div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  Decision* Next(Solver* <span class="keyword">const</span> s)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  SequenceVar* best_sequence = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  best_possible_firsts_.clear();</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">if</span> (FindSequenceVar(s, &best_sequence)) {</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="comment">// No not create a choice point if it is not needed.</span></div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  DCHECK(best_sequence != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="keywordflow">if</span> (best_possible_firsts_.size() == 1 &&</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  best_sequence->Interval(best_possible_firsts_.back())</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  ->MustBePerformed()) {</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  best_sequence->RankFirst(best_possible_firsts_.back());</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  }</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keywordtype">int</span> best_interval = -1;</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="keywordflow">if</span> (!FindIntervalVar(s, best_sequence, &best_interval)) {</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  s->Fail();</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  }</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  CHECK_NE(-1, best_interval);</div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordflow">return</span> s->RevAlloc(<span class="keyword">new</span> RankFirst(best_sequence, best_interval));</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  }</div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  }</div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  }</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  </div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keywordtype">void</span> Accept(ModelVisitor* <span class="keyword">const</span> visitor)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  visitor->BeginVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  visitor->VisitSequenceArrayArgument(ModelVisitor::kSequencesArgument,</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  sequences_);</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  visitor->EndVisitExtension(ModelVisitor::kVariableGroupExtension);</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  }</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  </div>
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|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="comment">// Selects the interval var to rank.</span></div>
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<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordtype">bool</span> FindIntervalVarOnStartMin(Solver* <span class="keyword">const</span> s,</div>
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<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  SequenceVar* <span class="keyword">const</span> best_sequence,</div>
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<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keywordtype">int</span>* <span class="keyword">const</span> best_interval_index) {</div>
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<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keywordtype">int</span> best_interval = -1;</div>
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<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_start_min = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = 0; <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> < best_possible_firsts_.size(); ++<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> candidate = best_possible_firsts_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  IntervalVar* <span class="keyword">const</span> <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> = best_sequence->Interval(candidate);</div>
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<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keywordflow">if</span> (<a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>->StartMin() < best_start_min) {</div>
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<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  best_interval = candidate;</div>
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<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  best_start_min = <a class="code" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>->StartMin();</div>
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<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  }</div>
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<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  }</div>
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|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">if</span> (best_interval == -1) {</div>
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<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  *best_interval_index = best_interval;</div>
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<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  }</div>
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<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  }</div>
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<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  </div>
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<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordtype">bool</span> FindIntervalVarRandomly(Solver* <span class="keyword">const</span> s,</div>
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<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  SequenceVar* <span class="keyword">const</span> best_sequence,</div>
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<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <span class="keywordtype">int</span>* <span class="keyword">const</span> best_interval_index) {</div>
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<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  DCHECK(!best_possible_firsts_.empty());</div>
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<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = s->Rand32(best_possible_firsts_.size());</div>
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<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  *best_interval_index = best_possible_firsts_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  }</div>
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<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  </div>
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<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordtype">bool</span> FindIntervalVar(Solver* <span class="keyword">const</span> s, SequenceVar* <span class="keyword">const</span> best_sequence,</div>
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<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <span class="keywordtype">int</span>* <span class="keyword">const</span> best_interval_index) {</div>
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<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keywordflow">switch</span> (strategy_) {</div>
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<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="keywordflow">case</span> Solver::SEQUENCE_DEFAULT:</div>
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<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keywordflow">case</span> Solver::SEQUENCE_SIMPLE:</div>
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|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SLACK_RANK_FORWARD:</div>
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<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordflow">return</span> FindIntervalVarOnStartMin(s, best_sequence, best_interval_index);</div>
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<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="keywordflow">case</span> Solver::CHOOSE_RANDOM_RANK_FORWARD:</div>
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<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keywordflow">return</span> FindIntervalVarRandomly(s, best_sequence, best_interval_index);</div>
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<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  LOG(FATAL) << <span class="stringliteral">"Unknown strategy "</span> << strategy_;</div>
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<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  }</div>
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|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  }</div>
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|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  </div>
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|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="comment">// Selects the sequence var to start ranking.</span></div>
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|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="keywordtype">bool</span> FindSequenceVarOnSlack(Solver* <span class="keyword">const</span> s,</div>
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<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  SequenceVar** <span class="keyword">const</span> best_sequence) {</div>
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|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_slack = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> best_ahmin = <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>;</div>
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|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  *best_sequence = <span class="keyword">nullptr</span>;</div>
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|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  best_possible_firsts_.clear();</div>
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|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < sequences_.size(); ++i) {</div>
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|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  SequenceVar* <span class="keyword">const</span> candidate_sequence = sequences_[i];</div>
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|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="keywordtype">int</span> ranked = 0;</div>
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|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keywordtype">int</span> not_ranked = 0;</div>
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|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keywordtype">int</span> unperformed = 0;</div>
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|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  candidate_sequence->ComputeStatistics(&ranked, &not_ranked, &unperformed);</div>
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|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keywordflow">if</span> (not_ranked > 0) {</div>
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|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  candidate_possible_firsts_.clear();</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  candidate_possible_lasts_.clear();</div>
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|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  candidate_sequence->ComputePossibleFirstsAndLasts(</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  &candidate_possible_firsts_, &candidate_possible_lasts_);</div>
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|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  <span class="comment">// No possible first, failing.</span></div>
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|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordflow">if</span> (candidate_possible_firsts_.empty()) {</div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  s->Fail();</div>
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|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  }</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="comment">// Only 1 candidate, and non optional: ranking without branching.</span></div>
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|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">if</span> (candidate_possible_firsts_.size() == 1 &&</div>
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|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  candidate_sequence->Interval(candidate_possible_firsts_.back())</div>
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|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  ->MustBePerformed()) {</div>
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|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  *best_sequence = candidate_sequence;</div>
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|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  best_possible_firsts_ = candidate_possible_firsts_;</div>
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|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  }</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  </div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="comment">// Evaluating the sequence.</span></div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> hmin, hmax, dmin, dmax;</div>
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|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  candidate_sequence->HorizonRange(&hmin, &hmax);</div>
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|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  candidate_sequence->DurationRange(&dmin, &dmax);</div>
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|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ahmin, ahmax;</div>
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|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  candidate_sequence->ActiveHorizonRange(&ahmin, &ahmax);</div>
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|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> current_slack = (hmax - hmin - dmax);</div>
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|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keywordflow">if</span> (current_slack < best_slack ||</div>
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|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  (current_slack == best_slack && ahmin < best_ahmin)) {</div>
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|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  best_slack = current_slack;</div>
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|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  *best_sequence = candidate_sequence;</div>
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|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  best_possible_firsts_ = candidate_possible_firsts_;</div>
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|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  best_ahmin = ahmin;</div>
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|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  }</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  }</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  }</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="keywordflow">return</span> *best_sequence != <span class="keyword">nullptr</span>;</div>
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|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  }</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  </div>
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|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="keywordtype">bool</span> FindSequenceVarRandomly(Solver* <span class="keyword">const</span> s,</div>
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|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  SequenceVar** <span class="keyword">const</span> best_sequence) {</div>
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|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  std::vector<SequenceVar*> all_candidates;</div>
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|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  std::vector<std::vector<int>> all_possible_firsts;</div>
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|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < sequences_.size(); ++i) {</div>
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|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  SequenceVar* <span class="keyword">const</span> candidate_sequence = sequences_[i];</div>
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|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordtype">int</span> ranked = 0;</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordtype">int</span> not_ranked = 0;</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordtype">int</span> unperformed = 0;</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  candidate_sequence->ComputeStatistics(&ranked, &not_ranked, &unperformed);</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keywordflow">if</span> (not_ranked > 0) {</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  candidate_possible_firsts_.clear();</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  candidate_possible_lasts_.clear();</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  candidate_sequence->ComputePossibleFirstsAndLasts(</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  &candidate_possible_firsts_, &candidate_possible_lasts_);</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <span class="comment">// No possible first, failing.</span></div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="keywordflow">if</span> (candidate_possible_firsts_.empty()) {</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  s->Fail();</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  }</div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="comment">// Only 1 candidate, and non optional: ranking without branching.</span></div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">if</span> (candidate_possible_firsts_.size() == 1 &&</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  candidate_sequence->Interval(candidate_possible_firsts_.back())</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  ->MustBePerformed()) {</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  *best_sequence = candidate_sequence;</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  best_possible_firsts_ = candidate_possible_firsts_;</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  }</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  </div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  all_candidates.push_back(candidate_sequence);</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  all_possible_firsts.push_back(candidate_possible_firsts_);</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  }</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  }</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keywordflow">if</span> (all_candidates.empty()) {</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  }</div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> chosen = s->Rand32(all_candidates.size());</div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  *best_sequence = all_candidates[chosen];</div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  best_possible_firsts_ = all_possible_firsts[chosen];</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  }</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  </div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="keywordtype">bool</span> FindSequenceVar(Solver* <span class="keyword">const</span> s, SequenceVar** <span class="keyword">const</span> best_sequence) {</div>
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<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keywordflow">switch</span> (strategy_) {</div>
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<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">case</span> Solver::SEQUENCE_DEFAULT:</div>
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<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">case</span> Solver::SEQUENCE_SIMPLE:</div>
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<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keywordflow">case</span> Solver::CHOOSE_MIN_SLACK_RANK_FORWARD:</div>
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<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keywordflow">return</span> FindSequenceVarOnSlack(s, best_sequence);</div>
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<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="keywordflow">case</span> Solver::CHOOSE_RANDOM_RANK_FORWARD:</div>
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<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  <span class="keywordflow">return</span> FindSequenceVarRandomly(s, best_sequence);</div>
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<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  LOG(FATAL) << <span class="stringliteral">"Unknown strategy "</span> << strategy_;</div>
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<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  }</div>
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<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  }</div>
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<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  </div>
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<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="keyword">const</span> std::vector<SequenceVar*> sequences_;</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keyword">const</span> Solver::SequenceStrategy strategy_;</div>
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<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  std::vector<int> best_possible_firsts_;</div>
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<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  std::vector<int> candidate_possible_firsts_;</div>
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<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  std::vector<int> candidate_possible_lasts_;</div>
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<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> };</div>
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|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  </div>
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<div class="line"><a name="l00834"></a><span class="lineno"> 834</span> Decision* Solver::MakeScheduleOrPostpone(IntervalVar* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> est,</div>
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|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> marker) {</div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  CHECK(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  CHECK(marker != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> ScheduleOrPostpone(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, est, marker));</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span> }</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  </div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> Decision* Solver::MakeScheduleOrExpedite(IntervalVar* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> est,</div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* <span class="keyword">const</span> marker) {</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  CHECK(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  CHECK(marker != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> ScheduleOrExpedite(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, est, marker));</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span> }</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  </div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<IntervalVar*>& intervals,</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  IntervalStrategy str) {</div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="keywordflow">switch</span> (str) {</div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="keywordflow">case</span> Solver::INTERVAL_DEFAULT:</div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keywordflow">case</span> Solver::INTERVAL_SIMPLE:</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="keywordflow">case</span> Solver::INTERVAL_SET_TIMES_FORWARD:</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SetTimesForward(intervals));</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="keywordflow">case</span> Solver::INTERVAL_SET_TIMES_BACKWARD:</div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> SetTimesBackward(intervals));</div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  LOG(FATAL) << <span class="stringliteral">"Unknown strategy "</span> << str;</div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  }</div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span> }</div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  </div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span> Decision* Solver::MakeRankFirstInterval(SequenceVar* <span class="keyword">const</span> sequence,</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  CHECK(sequence != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> RankFirst(sequence, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>));</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span> }</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  </div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span> Decision* Solver::MakeRankLastInterval(SequenceVar* <span class="keyword">const</span> sequence, <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  CHECK(sequence != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> RankLast(sequence, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>));</div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span> }</div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  </div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> DecisionBuilder* Solver::MakePhase(<span class="keyword">const</span> std::vector<SequenceVar*>& sequences,</div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  SequenceStrategy str) {</div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keywordflow">return</span> RevAlloc(<span class="keyword">new</span> RankFirstIntervalVars(sequences, str));</div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> }</div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  </div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> } <span class="comment">// namespace operations_research</span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
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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#l01858">expr_array.cc:1858</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a021e695f54a13bd809c34b2f4ca87c37"><div class="ttname"><a href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a></div><div class="ttdeci">int64 min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00138">alldiff_cst.cc:138</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_af458164b470cbba416d5ed579e00ff60"><div class="ttname"><a href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a></div><div class="ttdeci">static const int64 kint64min</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00060">integral_types.h:60</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
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<div class="ttc" id="aconstraint__solver_8cc_html_a395f613555f398dd389670bb4c2a4599"><div class="ttname"><a href="constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599">next</a></div><div class="ttdeci">Block * next</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8cc_source.html#l00667">constraint_solver.cc:667</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00807">default_search.cc:807</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a9be76edcbd5ccb982d92c8d90421a73c"><div class="ttname"><a href="namespaceoperations__research.html#a9be76edcbd5ccb982d92c8d90421a73c">operations_research::JoinDebugStringPtr</a></div><div class="ttdeci">std::string JoinDebugStringPtr(const std::vector< T > &v, const std::string &separator)</div><div class="ttdef"><b>Definition:</b> <a href="string__array_8h_source.html#l00045">string_array.h:45</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a74ea76ea27f48fb1b6e148e1577b3719"><div class="ttname"><a href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a></div><div class="ttdeci">static const int64 kint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00062">integral_types.h:62</a></div></div>
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<div class="ttc" id="anamespacegtl_html_aae28e97bd1fa93cb0032642550da7455"><div class="ttname"><a href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a></div><div class="ttdeci">bool ContainsKey(const Collection &collection, const Key &key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00170">map_util.h:170</a></div></div>
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