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723 lines
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<a href="cp__model__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 2010-2021 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 "<a class="code" href="cp__model__search_8h.html">ortools/sat/cp_model_search.h</a>"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <random></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "absl/strings/str_format.h"</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="cp__model__utils_8h.html">ortools/sat/cp_model_utils.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="sat_2util_8h.html">ortools/sat/util.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</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="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>sat {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_cp_model_view.html#adc929cce11607181a7b435a028f8709f"> 27</a></span> <a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#adc929cce11607181a7b435a028f8709f">CpModelView::CpModelView</a>(<a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>)</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  : mapping_(*<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html">CpModelMapping</a>>()),</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  boolean_assignment_(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>>()-><a class="code" href="classoperations__research_1_1_assignment.html">Assignment</a>()),</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  integer_trail_(*<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>>()) {}</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"><a class="line" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a9d3beb2afe4ae647674b054bf29290e2"> 32</a></span> <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a9d3beb2afe4ae647674b054bf29290e2">CpModelView::NumVariables</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#ae05bc267fe7166e53214c1b3fa157023">NumProtoVariables</a>(); }</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"><a class="line" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a724467d12811fa7f9d69c42814d5a7bd"> 34</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a724467d12811fa7f9d69c42814d5a7bd">CpModelView::IsFixed</a>(<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a40d4cc176c455f8de98e96aade69734a">IsBoolean</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">return</span> boolean_assignment_.<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a49e751eb6f0e9babd957889bb8e7472d">VariableIsAssigned</a>(</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a922026cbae3cd7aac276fcad53bd4278">Literal</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a6a5dcff82096cd7a7147bf996dbaa5a8">Variable</a>());</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a4c46b216006440e76f16d33797123b3b">IsInteger</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">return</span> integer_trail_.<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a523501d854b2ca8034d37c15e7c89117">IsFixed</a>(mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a877d019ee57a306f9dc8da11efcb4c82">Integer</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// Default.</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> }</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a8701b9f9c1a34491a7a6a84f74da1a9e"> 44</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a8701b9f9c1a34491a7a6a84f74da1a9e">CpModelView::IsCurrentlyFree</a>(<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a4c46b216006440e76f16d33797123b3b">IsInteger</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) &&</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  integer_trail_.<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9">IsCurrentlyIgnored</a>(mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a877d019ee57a306f9dc8da11efcb4c82">Integer</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</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>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_cp_model_view.html#afef192be7cc9b9ac060dc9e8da0cb2fc"> 49</a></span> int64_t <a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#afef192be7cc9b9ac060dc9e8da0cb2fc">CpModelView::Min</a>(<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a40d4cc176c455f8de98e96aade69734a">IsBoolean</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> l = mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a922026cbae3cd7aac276fcad53bd4278">Literal</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> boolean_assignment_.<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">LiteralIsTrue</a>(l) ? 1 : 0;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a4c46b216006440e76f16d33797123b3b">IsInteger</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> integer_trail_.<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a877d019ee57a306f9dc8da11efcb4c82">Integer</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)).value();</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>  <span class="keywordflow">return</span> 0; <span class="comment">// Default.</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_cp_model_view.html#aece25b118cb8a3a0a9ddd134d96d9ae1"> 59</a></span> int64_t <a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#aece25b118cb8a3a0a9ddd134d96d9ae1">CpModelView::Max</a>(<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a40d4cc176c455f8de98e96aade69734a">IsBoolean</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> l = mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a922026cbae3cd7aac276fcad53bd4278">Literal</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> boolean_assignment_.<a class="code" href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">LiteralIsFalse</a>(l) ? 0 : 1;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a4c46b216006440e76f16d33797123b3b">IsInteger</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> integer_trail_.<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a877d019ee57a306f9dc8da11efcb4c82">Integer</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)).value();</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> 0; <span class="comment">// Default.</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
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<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a8635df410af81fb62224e17be268620c"> 69</a></span> <a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a> <a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a8635df410af81fb62224e17be268620c">CpModelView::GreaterOrEqual</a>(<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  int64_t <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a724467d12811fa7f9d69c42814d5a7bd">IsFixed</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a> result;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a40d4cc176c455f8de98e96aade69734a">IsBoolean</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 0 || <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 1);</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 1) {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  result.<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e">boolean_literal_index</a> = mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a922026cbae3cd7aac276fcad53bd4278">Literal</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a4a11c7c4d7706c09de5e18707c3b5c62">Index</a>();</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a4c46b216006440e76f16d33797123b3b">IsInteger</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  result.<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00">integer_literal</a> = <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">IntegerLiteral::GreaterOrEqual</a>(</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a877d019ee57a306f9dc8da11efcb4c82">Integer</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>), IntegerValue(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> result;</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>  </div>
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<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_cp_model_view.html#aee82fe548f25e7db55682d9dfcaee51b"> 85</a></span> <a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a> <a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#aee82fe548f25e7db55682d9dfcaee51b">CpModelView::LowerOrEqual</a>(<span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  int64_t <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html#a724467d12811fa7f9d69c42814d5a7bd">IsFixed</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a> result;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a40d4cc176c455f8de98e96aade69734a">IsBoolean</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 0 || <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 1);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 0) {</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  result.<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e">boolean_literal_index</a> = mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a922026cbae3cd7aac276fcad53bd4278">Literal</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).<a class="code" href="classoperations__research_1_1sat_1_1_literal.html#a239e1315c4e975a35537790ba0d913a7">NegatedIndex</a>();</div>
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|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a4c46b216006440e76f16d33797123b3b">IsInteger</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  result.<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00">integer_literal</a> = <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">IntegerLiteral::LowerOrEqual</a>(mapping_.<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a877d019ee57a306f9dc8da11efcb4c82">Integer</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>),</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  IntegerValue(<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</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> <span class="comment">// Stores one variable and its strategy value.</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_var_value.html"> 102</a></span> <span class="keyword">struct </span><a class="code" href="structoperations__research_1_1sat_1_1_var_value.html">VarValue</a> {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_var_value.html#adb528a1cb1ca190150183394d082590d"> 103</a></span>  <span class="keywordtype">int</span> <a class="code" href="structoperations__research_1_1sat_1_1_var_value.html#adb528a1cb1ca190150183394d082590d">ref</a>;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_var_value.html#ac072af30c4ffbc834bb4c681f6ecb514"> 104</a></span>  int64_t <a class="code" href="structoperations__research_1_1sat_1_1_var_value.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</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>  </div>
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<div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a099c87ea3e687ad941596116e157ff5e"> 107</a></span> <span class="keyword">const</span> std::function<<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a>()> <a class="code" href="namespaceoperations__research_1_1sat.html#a099c87ea3e687ad941596116e157ff5e">ConstructSearchStrategyInternal</a>(</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> std::vector<DecisionStrategyProto>& strategies, <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& view = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_cp_model_view.html">CpModelView</a>>();</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a> = *<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>();</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">auto</span>* random = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_model_random_generator.html">ModelRandomGenerator</a>>();</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>  <span class="comment">// Note that we copy strategies to keep the return function validity</span></div>
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|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// independently of the life of the passed vector.</span></div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> [&view, &<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, random, strategies]() {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> DecisionStrategyProto& strategy : strategies) {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">int</span> candidate;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  int64_t candidate_value = <a class="code" href="integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897">kint64max</a>;</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// TODO(user): Improve the complexity if this becomes an issue which</span></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// may be the case if we do a fixed_search.</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="comment">// To store equivalent variables in randomized search.</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  std::vector<VarValue> active_refs;</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> t_index = 0; <span class="comment">// Index in strategy.transformations().</span></div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < strategy.variables().size(); ++i) {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ref = strategy.variables(i);</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (view.IsFixed(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) || view.IsCurrentlyFree(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  int64_t coeff(1);</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  int64_t offset(0);</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">while</span> (t_index < strategy.transformations().size() &&</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  strategy.transformations(t_index).index() < i) {</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ++t_index;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (t_index < strategy.transformations_size() &&</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  strategy.transformations(t_index).index() == i) {</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  coeff = strategy.transformations(t_index).positive_coeff();</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  offset = strategy.transformations(t_index).offset();</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="comment">// TODO(user): deal with integer overflow in case of wrongly specified</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// coeff? Note that if this is filled by the presolve it shouldn't</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// happen since any feasible value in the new variable domain should be</span></div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// a feasible value of the original variable domain.</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  int64_t <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>(0);</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  int64_t lb = view.Min(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  int64_t ub = view.Max(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  lb = -view.Max(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  ub = -view.Min(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">switch</span> (strategy.variable_selection_strategy()) {</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">case</span> DecisionStrategyProto::CHOOSE_FIRST:</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">case</span> DecisionStrategyProto::CHOOSE_LOWEST_MIN:</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = coeff * lb + offset;</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">case</span> DecisionStrategyProto::CHOOSE_HIGHEST_MAX:</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = -(coeff * ub + offset);</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">case</span> DecisionStrategyProto::CHOOSE_MIN_DOMAIN_SIZE:</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = coeff * (ub - lb + 1);</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">case</span> DecisionStrategyProto::CHOOSE_MAX_DOMAIN_SIZE:</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = -coeff * (ub - lb + 1);</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Unknown VariableSelectionStrategy "</span></div>
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|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  << strategy.variable_selection_strategy();</div>
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|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
|
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> < candidate_value) {</div>
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|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  candidate = ref;</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  candidate_value = <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (strategy.variable_selection_strategy() ==</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  DecisionStrategyProto::CHOOSE_FIRST &&</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  !<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.randomize_search()) {</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.randomize_search()) {</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> <=</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  candidate_value + <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.search_randomization_tolerance()) {</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  active_refs.push_back({ref, <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>});</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  </div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (candidate_value == <a class="code" href="integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897">kint64max</a>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.randomize_search()) {</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!active_refs.empty());</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">const</span> IntegerValue threshold(</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  candidate_value + <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.search_randomization_tolerance());</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">auto</span> is_above_tolerance = [threshold](<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_var_value.html">VarValue</a>& entry) {</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> entry.value > threshold;</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  };</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// Remove all values above tolerance.</span></div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  active_refs.erase(std::remove_if(active_refs.begin(), active_refs.end(),</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  is_above_tolerance),</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  active_refs.end());</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> winner = absl::Uniform<int>(*random, 0, active_refs.size());</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  candidate = active_refs[winner].ref;</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  </div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  DecisionStrategyProto::DomainReductionStrategy selection =</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  strategy.domain_reduction_strategy();</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(candidate)) {</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">switch</span> (selection) {</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">case</span> DecisionStrategyProto::SELECT_MIN_VALUE:</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  selection = DecisionStrategyProto::SELECT_MAX_VALUE;</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">case</span> DecisionStrategyProto::SELECT_MAX_VALUE:</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  selection = DecisionStrategyProto::SELECT_MIN_VALUE;</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">case</span> DecisionStrategyProto::SELECT_LOWER_HALF:</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  selection = DecisionStrategyProto::SELECT_UPPER_HALF;</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">case</span> DecisionStrategyProto::SELECT_UPPER_HALF:</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  selection = DecisionStrategyProto::SELECT_LOWER_HALF;</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(candidate);</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">const</span> int64_t lb = view.Min(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">const</span> int64_t ub = view.Max(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">switch</span> (selection) {</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">case</span> DecisionStrategyProto::SELECT_MIN_VALUE:</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> view.LowerOrEqual(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, lb);</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">case</span> DecisionStrategyProto::SELECT_MAX_VALUE:</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span> view.GreaterOrEqual(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, ub);</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">case</span> DecisionStrategyProto::SELECT_LOWER_HALF:</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">return</span> view.LowerOrEqual(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, lb + (ub - lb) / 2);</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">case</span> DecisionStrategyProto::SELECT_UPPER_HALF:</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span> view.GreaterOrEqual(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, ub - (ub - lb) / 2);</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">case</span> DecisionStrategyProto::SELECT_MEDIAN_VALUE:</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// TODO(user): Implement the correct method.</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">return</span> view.LowerOrEqual(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, lb);</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Unknown DomainReductionStrategy "</span></div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  << strategy.domain_reduction_strategy();</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">return</span> <a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a>();</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  };</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> }</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  </div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#aef9a9e314dd32a66b7540b0ae367eb4f"> 251</a></span> std::function<<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a>()> <a class="code" href="namespaceoperations__research_1_1sat.html#aef9a9e314dd32a66b7540b0ae367eb4f">ConstructSearchStrategy</a>(</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keyword">const</span> CpModelProto& cp_model_proto,</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keyword">const</span> std::vector<IntegerVariable>& variable_mapping,</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  IntegerVariable objective_var, <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// Default strategy is to instantiate the IntegerVariable in order.</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  std::function<<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a>()> default_search_strategy = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> instantiate_all_variables =</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<SatParameters>()->instantiate_all_variables();</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  </div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (instantiate_all_variables) {</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  std::vector<IntegerVariable> decisions;</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : variable_mapping) {</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> == <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// Make sure we try to fix the objective to its lowest value first.</span></div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> == <a class="code" href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">NegationOf</a>(objective_var)) {</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  decisions.push_back(objective_var);</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  decisions.push_back(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  default_search_strategy =</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a0b08971dbb223f77e7fc9c41a77fdc7b">FirstUnassignedVarAtItsMinHeuristic</a>(decisions, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</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>  </div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  std::vector<DecisionStrategyProto> strategies;</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> DecisionStrategyProto& <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a> : cp_model_proto.search_strategy()) {</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  strategies.push_back(<a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>);</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> (instantiate_all_variables) {</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1">SequentialSearch</a>({<a class="code" href="namespaceoperations__research_1_1sat.html#a099c87ea3e687ad941596116e157ff5e">ConstructSearchStrategyInternal</a>(strategies, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>),</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  default_search_strategy});</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a099c87ea3e687ad941596116e157ff5e">ConstructSearchStrategyInternal</a>(strategies, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
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<div class="line"><a name="l00288"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#afb3c98e67e212632d35259e550235d0a"> 288</a></span> std::function<<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a>()> <a class="code" href="namespaceoperations__research_1_1sat.html#afb3c98e67e212632d35259e550235d0a">InstrumentSearchStrategy</a>(</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keyword">const</span> CpModelProto& cp_model_proto,</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keyword">const</span> std::vector<IntegerVariable>& variable_mapping,</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keyword">const</span> std::function<<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a>()>& instrumented_strategy,</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <a class="code" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  std::vector<int> ref_to_display;</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < cp_model_proto.variables_size(); ++i) {</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">if</span> (variable_mapping[i] == <a class="code" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span> (cp_model_proto.variables(i).name().empty()) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  ref_to_display.push_back(i);</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  std::sort(ref_to_display.begin(), ref_to_display.end(), [&](<span class="keywordtype">int</span> i, <span class="keywordtype">int</span> j) {</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  return cp_model_proto.variables(i).name() <</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  cp_model_proto.variables(j).name();</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  });</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  </div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  std::vector<std::pair<int64_t, int64_t>> old_domains(variable_mapping.size());</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span> [instrumented_strategy, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, variable_mapping, cp_model_proto,</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  old_domains, ref_to_display]() <span class="keyword">mutable</span> {</div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">BooleanOrIntegerLiteral</a> decision = instrumented_strategy();</div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">if</span> (!decision.<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1">HasValue</a>()) <span class="keywordflow">return</span> decision;</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">if</span> (decision.<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e">boolean_literal_index</a> != <a class="code" href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">kNoLiteralIndex</a>) {</div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a> l = <a class="code" href="classoperations__research_1_1sat_1_1_literal.html">Literal</a>(decision.<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e">boolean_literal_index</a>);</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Boolean decision "</span> << l;</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1sat_1_1_integer_literal.html">IntegerLiteral</a> i_lit :</div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<<a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html">IntegerEncoder</a>>()-><a class="code" href="classoperations__research_1_1sat_1_1_integer_encoder.html#a0d782ddea6e94b7dfbb612f1a64c2f7b">GetAllIntegerLiterals</a>(l)) {</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">" - associated with "</span> << i_lit;</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</div>
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|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Integer decision "</span> << decision.<a class="code" href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00">integer_literal</a>;</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> level = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->Get<<a class="code" href="classoperations__research_1_1sat_1_1_trail.html">Trail</a>>()->CurrentDecisionLevel();</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  std::string to_display =</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  absl::StrCat(<span class="stringliteral">"Diff since last call, level="</span>, level, <span class="stringliteral">"\n"</span>);</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>* integer_trail = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->GetOrCreate<<a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>>();</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : ref_to_display) {</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">const</span> IntegerVariable <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = variable_mapping[ref];</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keyword">const</span> std::pair<int64_t, int64_t> new_domain(</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  integer_trail-><a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">LowerBound</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).value(),</div>
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|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  integer_trail-><a class="code" href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">UpperBound</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).value());</div>
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|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">if</span> (new_domain != old_domains[ref]) {</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  absl::StrAppend(&to_display, cp_model_proto.variables(ref).name(), <span class="stringliteral">" ["</span>,</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  old_domains[ref].first, <span class="stringliteral">","</span>, old_domains[ref].second,</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="stringliteral">"] -> ["</span>, new_domain.first, <span class="stringliteral">","</span>, new_domain.second,</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="stringliteral">"]\n"</span>);</div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  old_domains[ref] = new_domain;</div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  }</div>
|
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << to_display;</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">return</span> decision;</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  };</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> }</div>
|
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
|
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// Note: in flatzinc setting, we know we always have a fixed search defined.</span></div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// Things to try:</span></div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment">// - Specialize for purely boolean problems</span></div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment">// - Disable linearization_level options for non linear problems</span></div>
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|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment">// - Fast restart in randomized search</span></div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// - Different propatation levels for scheduling constraints</span></div>
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<div class="line"><a name="l00349"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#accb8be601562b35adeea0682f3ea560c"> 349</a></span> std::vector<SatParameters> <a class="code" href="namespaceoperations__research_1_1sat.html#accb8be601562b35adeea0682f3ea560c">GetDiverseSetOfParameters</a>(</div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keyword">const</span> SatParameters& base_params, <span class="keyword">const</span> CpModelProto& cp_model,</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_workers) {</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="comment">// Defines a set of named strategies so it is easier to read in one place</span></div>
|
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">// the one that are used. See below.</span></div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  std::map<std::string, SatParameters> strategies;</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  </div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">// Lp variations only.</span></div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  {</div>
|
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  SatParameters new_params = base_params;</div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  new_params.set_linearization_level(0);</div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  strategies[<span class="stringliteral">"no_lp"</span>] = new_params;</div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  new_params.set_linearization_level(1);</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  strategies[<span class="stringliteral">"default_lp"</span>] = new_params;</div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  new_params.set_linearization_level(2);</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  new_params.set_add_lp_constraints_lazily(<span class="keyword">false</span>);</div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  strategies[<span class="stringliteral">"max_lp"</span>] = new_params;</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</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>  <span class="comment">// Core. Note that we disable the lp here because it is faster on the minizinc</span></div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="comment">// benchmark.</span></div>
|
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">// TODO(user): Do more experiments, the LP with core could be useful, but we</span></div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="comment">// probably need to incorporate the newly created integer variables from the</span></div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="comment">// core algorithm into the LP.</span></div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  {</div>
|
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  SatParameters new_params = base_params;</div>
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<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  new_params.set_search_branching(SatParameters::AUTOMATIC_SEARCH);</div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  new_params.set_optimize_with_core(<span class="keyword">true</span>);</div>
|
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  new_params.set_linearization_level(0);</div>
|
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  strategies[<span class="stringliteral">"core"</span>] = new_params;</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>  </div>
|
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="comment">// It can be interesting to try core and lp.</span></div>
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  {</div>
|
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  SatParameters new_params = base_params;</div>
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  new_params.set_search_branching(SatParameters::AUTOMATIC_SEARCH);</div>
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  new_params.set_optimize_with_core(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  new_params.set_linearization_level(1);</div>
|
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  strategies[<span class="stringliteral">"core_default_lp"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  </div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  {</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  SatParameters new_params = base_params;</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  new_params.set_search_branching(SatParameters::AUTOMATIC_SEARCH);</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  new_params.set_optimize_with_core(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  new_params.set_linearization_level(2);</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  strategies[<span class="stringliteral">"core_max_lp"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  </div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  {</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  SatParameters new_params = base_params;</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  new_params.set_search_branching(SatParameters::AUTOMATIC_SEARCH);</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  new_params.set_use_probing_search(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  strategies[<span class="stringliteral">"probing"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  </div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="comment">// Search variation.</span></div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  {</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  SatParameters new_params = base_params;</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  new_params.set_search_branching(SatParameters::AUTOMATIC_SEARCH);</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  strategies[<span class="stringliteral">"auto"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  </div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  new_params.set_search_branching(SatParameters::FIXED_SEARCH);</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  strategies[<span class="stringliteral">"fixed"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  new_params.set_search_branching(</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  SatParameters::PORTFOLIO_WITH_QUICK_RESTART_SEARCH);</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  strategies[<span class="stringliteral">"quick_restart"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  </div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  new_params.set_search_branching(</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  SatParameters::PORTFOLIO_WITH_QUICK_RESTART_SEARCH);</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  new_params.set_linearization_level(0);</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  strategies[<span class="stringliteral">"quick_restart_no_lp"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="comment">// We force the max lp here too.</span></div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  new_params.set_linearization_level(2);</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  new_params.set_search_branching(SatParameters::LP_SEARCH);</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  strategies[<span class="stringliteral">"reduced_costs"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  </div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="comment">// For this one, we force other param too.</span></div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  new_params.set_linearization_level(2);</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  new_params.set_search_branching(SatParameters::PSEUDO_COST_SEARCH);</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  new_params.set_exploit_best_solution(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  strategies[<span class="stringliteral">"pseudo_costs"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  }</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  </div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="comment">// Less encoding.</span></div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  {</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  SatParameters new_params = base_params;</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  new_params.set_boolean_encoding_level(0);</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  strategies[<span class="stringliteral">"less_encoding"</span>] = new_params;</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  </div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">// Our current set of strategies</span></div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="comment">// TODO(user, fdid): Avoid launching two strategies if they are the same,</span></div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="comment">// like if there is no lp, or everything is already linearized at level 1.</span></div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  std::vector<std::string> names;</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span> (base_params.reduce_memory_usage_in_interleave_mode() &&</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  base_params.interleave_search()) {</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="comment">// Low memory mode for interleaved search in single thread.</span></div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">if</span> (cp_model.has_objective()) {</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  names.push_back(<span class="stringliteral">"default_lp"</span>);</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  names.push_back(!cp_model.search_strategy().empty() ? <span class="stringliteral">"fixed"</span></div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  : <span class="stringliteral">"pseudo_costs"</span>);</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  names.push_back(cp_model.objective().vars_size() > 1 ? <span class="stringliteral">"core"</span> : <span class="stringliteral">"no_lp"</span>);</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  names.push_back(<span class="stringliteral">"max_lp"</span>);</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  names.push_back(<span class="stringliteral">"default_lp"</span>);</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  names.push_back(cp_model.search_strategy_size() > 0 ? <span class="stringliteral">"fixed"</span> : <span class="stringliteral">"no_lp"</span>);</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  names.push_back(<span class="stringliteral">"less_encoding"</span>);</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  names.push_back(<span class="stringliteral">"max_lp"</span>);</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  names.push_back(<span class="stringliteral">"quick_restart"</span>);</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  }</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cp_model.has_objective()) {</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  names.push_back(<span class="stringliteral">"default_lp"</span>);</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  names.push_back(!cp_model.search_strategy().empty() ? <span class="stringliteral">"fixed"</span></div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  : <span class="stringliteral">"reduced_costs"</span>);</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  names.push_back(<span class="stringliteral">"pseudo_costs"</span>);</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  names.push_back(<span class="stringliteral">"no_lp"</span>);</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  names.push_back(<span class="stringliteral">"max_lp"</span>);</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">if</span> (cp_model.objective().vars_size() > 1) names.push_back(<span class="stringliteral">"core"</span>);</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="comment">// TODO(user): Experiment with core and LP.</span></div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  </div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="comment">// Only add this strategy if we have enough worker left for LNS.</span></div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (num_workers > 8 || base_params.interleave_search()) {</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  names.push_back(<span class="stringliteral">"quick_restart"</span>);</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  }</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">if</span> (num_workers > 10) {</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  names.push_back(<span class="stringliteral">"quick_restart_no_lp"</span>);</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  }</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  names.push_back(<span class="stringliteral">"default_lp"</span>);</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">if</span> (cp_model.search_strategy_size() > 0) names.push_back(<span class="stringliteral">"fixed"</span>);</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  names.push_back(<span class="stringliteral">"less_encoding"</span>);</div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  names.push_back(<span class="stringliteral">"no_lp"</span>);</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  names.push_back(<span class="stringliteral">"max_lp"</span>);</div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  names.push_back(<span class="stringliteral">"quick_restart"</span>);</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">if</span> (num_workers > 10) {</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  names.push_back(<span class="stringliteral">"quick_restart_no_lp"</span>);</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  }</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">if</span> (num_workers > 12) {</div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  names.push_back(<span class="stringliteral">"probing"</span>);</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  }</div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  </div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="comment">// Creates the diverse set of parameters with names and seed. We remove the</span></div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="comment">// last ones if needed below.</span></div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  std::vector<SatParameters> result;</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::string& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> : names) {</div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  SatParameters new_params = strategies.at(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>);</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  new_params.set_name(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>);</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  new_params.set_random_seed(result.size() + 1);</div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  result.push_back(new_params);</div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  }</div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">// If there is no objective, we complete with randomized fixed search.</span></div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="comment">// If there is an objective, the extra workers will use LNS.</span></div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">if</span> (!cp_model.has_objective()) {</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordtype">int</span> target = num_workers;</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  </div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="comment">// If strategies that do not require a full worker are present, leave one</span></div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="comment">// worker for them.</span></div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">if</span> (!base_params.interleave_search() &&</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  (base_params.use_rins_lns() || base_params.use_relaxation_lns() ||</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  base_params.use_feasibility_pump())) {</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  target = <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(1, num_workers - 1);</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  }</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  </div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = 1;</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">while</span> (result.size() < target) {</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="comment">// TODO(user): This doesn't make sense if there is no fixed search.</span></div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  SatParameters new_params = base_params;</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  new_params.set_search_branching(SatParameters::FIXED_SEARCH);</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  new_params.set_randomize_search(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  new_params.set_search_randomization_tolerance(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  new_params.set_random_seed(result.size() + 1);</div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  new_params.set_name(absl::StrCat(<span class="stringliteral">"random_"</span>, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>));</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  result.push_back(new_params);</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  ++<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  }</div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  }</div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  </div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="comment">// If we are not in interleave search, we cannot run more strategies than</span></div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="comment">// the number of worker.</span></div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="comment">// TODO(user): consider using LNS if we use a small number of workers.</span></div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordflow">if</span> (!base_params.interleave_search() && result.size() > num_workers) {</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  result.resize(num_workers);</div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  }</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  </div>
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<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> }</div>
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<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  </div>
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<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> } <span class="comment">// namespace sat</span></div>
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<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00498">base/logging.h:498</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00423">base/logging.h:423</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006"><div class="ttname"><a href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a></div><div class="ttdeci">#define DCHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00892">base/logging.h:892</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_assignment_html"><div class="ttname"><a href="classoperations__research_1_1_assignment.html">operations_research::Assignment</a></div><div class="ttdoc">An Assignment is a variable -> domains mapping, used to report solutions to the user.</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l05042">constraint_solver.h:5042</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_mapping_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_mapping.html">operations_research::sat::CpModelMapping</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8h_source.html#l00064">cp_model_loader.h:64</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_mapping_html_a40d4cc176c455f8de98e96aade69734a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a40d4cc176c455f8de98e96aade69734a">operations_research::sat::CpModelMapping::IsBoolean</a></div><div class="ttdeci">bool IsBoolean(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8h_source.html#l00108">cp_model_loader.h:108</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_mapping_html_a4c46b216006440e76f16d33797123b3b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a4c46b216006440e76f16d33797123b3b">operations_research::sat::CpModelMapping::IsInteger</a></div><div class="ttdeci">bool IsInteger(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8h_source.html#l00113">cp_model_loader.h:113</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_mapping_html_a877d019ee57a306f9dc8da11efcb4c82"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a877d019ee57a306f9dc8da11efcb4c82">operations_research::sat::CpModelMapping::Integer</a></div><div class="ttdeci">IntegerVariable Integer(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8h_source.html#l00123">cp_model_loader.h:123</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_mapping_html_a922026cbae3cd7aac276fcad53bd4278"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#a922026cbae3cd7aac276fcad53bd4278">operations_research::sat::CpModelMapping::Literal</a></div><div class="ttdeci">sat::Literal Literal(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8h_source.html#l00118">cp_model_loader.h:118</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_mapping_html_ae05bc267fe7166e53214c1b3fa157023"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_mapping.html#ae05bc267fe7166e53214c1b3fa157023">operations_research::sat::CpModelMapping::NumProtoVariables</a></div><div class="ttdeci">int NumProtoVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8h_source.html#l00229">cp_model_loader.h:229</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_view_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_view.html">operations_research::sat::CpModelView</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8h_source.html#l00038">cp_model_search.h:38</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_view_html_a724467d12811fa7f9d69c42814d5a7bd"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_view.html#a724467d12811fa7f9d69c42814d5a7bd">operations_research::sat::CpModelView::IsFixed</a></div><div class="ttdeci">bool IsFixed(int var) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00034">cp_model_search.cc:34</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_view_html_a8635df410af81fb62224e17be268620c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_view.html#a8635df410af81fb62224e17be268620c">operations_research::sat::CpModelView::GreaterOrEqual</a></div><div class="ttdeci">BooleanOrIntegerLiteral GreaterOrEqual(int var, int64_t value) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00069">cp_model_search.cc:69</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_view_html_a8701b9f9c1a34491a7a6a84f74da1a9e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_view.html#a8701b9f9c1a34491a7a6a84f74da1a9e">operations_research::sat::CpModelView::IsCurrentlyFree</a></div><div class="ttdeci">bool IsCurrentlyFree(int var) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00044">cp_model_search.cc:44</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_view_html_a9d3beb2afe4ae647674b054bf29290e2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_view.html#a9d3beb2afe4ae647674b054bf29290e2">operations_research::sat::CpModelView::NumVariables</a></div><div class="ttdeci">int NumVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00032">cp_model_search.cc:32</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_view_html_adc929cce11607181a7b435a028f8709f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_view.html#adc929cce11607181a7b435a028f8709f">operations_research::sat::CpModelView::CpModelView</a></div><div class="ttdeci">CpModelView(Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00027">cp_model_search.cc:27</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_view_html_aece25b118cb8a3a0a9ddd134d96d9ae1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_view.html#aece25b118cb8a3a0a9ddd134d96d9ae1">operations_research::sat::CpModelView::Max</a></div><div class="ttdeci">int64_t Max(int var) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00059">cp_model_search.cc:59</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_view_html_aee82fe548f25e7db55682d9dfcaee51b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_view.html#aee82fe548f25e7db55682d9dfcaee51b">operations_research::sat::CpModelView::LowerOrEqual</a></div><div class="ttdeci">BooleanOrIntegerLiteral LowerOrEqual(int var, int64_t value) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00085">cp_model_search.cc:85</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_view_html_afef192be7cc9b9ac060dc9e8da0cb2fc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_view.html#afef192be7cc9b9ac060dc9e8da0cb2fc">operations_research::sat::CpModelView::Min</a></div><div class="ttdeci">int64_t Min(int var) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00049">cp_model_search.cc:49</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html">operations_research::sat::IntegerEncoder</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00281">integer.h:281</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html_a0d782ddea6e94b7dfbb612f1a64c2f7b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html#a0d782ddea6e94b7dfbb612f1a64c2f7b">operations_research::sat::IntegerEncoder::GetAllIntegerLiterals</a></div><div class="ttdeci">const InlinedIntegerLiteralVector & GetAllIntegerLiterals(Literal lit) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00405">integer.h:405</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html">operations_research::sat::IntegerTrail</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00545">integer.h:545</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a309d057e12c8d4d393f13975eea2e2a9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a309d057e12c8d4d393f13975eea2e2a9">operations_research::sat::IntegerTrail::IsCurrentlyIgnored</a></div><div class="ttdeci">bool IsCurrentlyIgnored(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00630">integer.h:630</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a523501d854b2ca8034d37c15e7c89117"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a523501d854b2ca8034d37c15e7c89117">operations_research::sat::IntegerTrail::IsFixed</a></div><div class="ttdeci">bool IsFixed(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01313">integer.h:1313</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_a8b6d5a25e6ad3d28a85b1924471e2cac"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#a8b6d5a25e6ad3d28a85b1924471e2cac">operations_research::sat::IntegerTrail::UpperBound</a></div><div class="ttdeci">IntegerValue UpperBound(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01309">integer.h:1309</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_trail_html_ab857cd2aead68952d9fe92a8ad8d3ac9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_trail.html#ab857cd2aead68952d9fe92a8ad8d3ac9">operations_research::sat::IntegerTrail::LowerBound</a></div><div class="ttdeci">IntegerValue LowerBound(IntegerVariable i) const</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01305">integer.h:1305</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html">operations_research::sat::Literal</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00065">sat_base.h:65</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a239e1315c4e975a35537790ba0d913a7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a239e1315c4e975a35537790ba0d913a7">operations_research::sat::Literal::NegatedIndex</a></div><div class="ttdeci">LiteralIndex NegatedIndex() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00086">sat_base.h:86</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a4a11c7c4d7706c09de5e18707c3b5c62"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a4a11c7c4d7706c09de5e18707c3b5c62">operations_research::sat::Literal::Index</a></div><div class="ttdeci">LiteralIndex Index() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00085">sat_base.h:85</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_literal_html_a6a5dcff82096cd7a7147bf996dbaa5a8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_literal.html#a6a5dcff82096cd7a7147bf996dbaa5a8">operations_research::sat::Literal::Variable</a></div><div class="ttdeci">BooleanVariable Variable() const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00081">sat_base.h:81</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html">operations_research::sat::Model</a></div><div class="ttdoc">Class that owns everything related to a particular optimization model.</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00038">sat/model.h:38</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_random_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model_random_generator.html">operations_research::sat::ModelRandomGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="sat_2util_8h_source.html#l00040">sat/util.h:40</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_trail_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_trail.html">operations_research::sat::Trail</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00234">sat_base.h:234</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html_a49e751eb6f0e9babd957889bb8e7472d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html#a49e751eb6f0e9babd957889bb8e7472d">operations_research::sat::VariablesAssignment::VariableIsAssigned</a></div><div class="ttdeci">bool VariableIsAssigned(BooleanVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00159">sat_base.h:159</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html_a5300129913f51dcb0b1c531e3248490e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html#a5300129913f51dcb0b1c531e3248490e">operations_research::sat::VariablesAssignment::LiteralIsTrue</a></div><div class="ttdeci">bool LiteralIsTrue(Literal literal) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00151">sat_base.h:151</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variables_assignment_html_acfd1646011e643f58fd7dc66d9cc90a5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variables_assignment.html#acfd1646011e643f58fd7dc66d9cc90a5">operations_research::sat::VariablesAssignment::LiteralIsFalse</a></div><div class="ttdeci">bool LiteralIsFalse(Literal literal) const</div><div class="ttdef"><b>Definition:</b> <a href="sat__base_8h_source.html#l00148">sat_base.h:148</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00108">cp_model_fz_solver.cc:108</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_aed003f5eb5197bc586b7ef2c36a63da2"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a></div><div class="ttdeci">CpModelProto proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00107">cp_model_fz_solver.cc:107</a></div></div>
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<div class="ttc" id="acp__model__search_8h_html"><div class="ttname"><a href="cp__model__search_8h.html">cp_model_search.h</a></div></div>
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<div class="ttc" id="acp__model__utils_8h_html"><div class="ttname"><a href="cp__model__utils_8h.html">cp_model_utils.h</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00813">default_search.cc:813</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00273">gurobi_interface.cc:273</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a808bd435380aa1e2bbd6f13ac7759897"><div class="ttname"><a href="integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897">kint64max</a></div><div class="ttdeci">static const int64_t kint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00032">integral_types.h:32</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_ab4a2cbab234914b320b7fae11b6e8cb9"><div class="ttname"><a href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a></div><div class="ttdeci">const int INFO</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_acdd38e3c9f22f127d7776920e3079eda"><div class="ttname"><a href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a></div><div class="ttdeci">const int FATAL</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00032">log_severity.h:32</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a099c87ea3e687ad941596116e157ff5e"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a099c87ea3e687ad941596116e157ff5e">operations_research::sat::ConstructSearchStrategyInternal</a></div><div class="ttdeci">const std::function< BooleanOrIntegerLiteral()> ConstructSearchStrategyInternal(const std::vector< DecisionStrategyProto > &strategies, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00107">cp_model_search.cc:107</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a0b08971dbb223f77e7fc9c41a77fdc7b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a0b08971dbb223f77e7fc9c41a77fdc7b">operations_research::sat::FirstUnassignedVarAtItsMinHeuristic</a></div><div class="ttdeci">std::function< BooleanOrIntegerLiteral()> FirstUnassignedVarAtItsMinHeuristic(const std::vector< IntegerVariable > &vars, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="integer__search_8cc_source.html#l00154">integer_search.cc:154</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a217338425de4389014563f1f24331713"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">operations_research::sat::RefIsPositive</a></div><div class="ttdeci">bool RefIsPositive(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00036">cp_model_utils.h:36</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a2dbcb7017d468a17bdb30252af5c6c31"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31">operations_research::sat::kNoLiteralIndex</a></div><div class="ttdeci">const LiteralIndex kNoLiteralIndex(-1)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5bd8c44473618b7eafd33ba978db2f06"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">operations_research::sat::kNoIntegerVariable</a></div><div class="ttdeci">const IntegerVariable kNoIntegerVariable(-1)</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aae43e784db06c0974ce59ebbe8dd2b22"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aae43e784db06c0974ce59ebbe8dd2b22">operations_research::sat::NegationOf</a></div><div class="ttdeci">std::vector< IntegerVariable > NegationOf(const std::vector< IntegerVariable > &vars)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8cc_source.html#l00029">integer.cc:29</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_abcf8d0c663710a1e395489e62de487b1"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1">operations_research::sat::SequentialSearch</a></div><div class="ttdeci">std::function< BooleanOrIntegerLiteral()> SequentialSearch(std::vector< std::function< BooleanOrIntegerLiteral()>> heuristics)</div><div class="ttdef"><b>Definition:</b> <a href="integer__search_8cc_source.html#l00189">integer_search.cc:189</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_accb8be601562b35adeea0682f3ea560c"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#accb8be601562b35adeea0682f3ea560c">operations_research::sat::GetDiverseSetOfParameters</a></div><div class="ttdeci">std::vector< SatParameters > GetDiverseSetOfParameters(const SatParameters &base_params, const CpModelProto &cp_model, const int num_workers)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00349">cp_model_search.cc:349</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_acdbc8ad33149d45a6e6fcd8b72fd68ed"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">operations_research::sat::PositiveRef</a></div><div class="ttdeci">int PositiveRef(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00035">cp_model_utils.h:35</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aef9a9e314dd32a66b7540b0ae367eb4f"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aef9a9e314dd32a66b7540b0ae367eb4f">operations_research::sat::ConstructSearchStrategy</a></div><div class="ttdeci">std::function< BooleanOrIntegerLiteral()> ConstructSearchStrategy(const CpModelProto &cp_model_proto, const std::vector< IntegerVariable > &variable_mapping, IntegerVariable objective_var, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00251">cp_model_search.cc:251</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_afb3c98e67e212632d35259e550235d0a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#afb3c98e67e212632d35259e550235d0a">operations_research::sat::InstrumentSearchStrategy</a></div><div class="ttdeci">std::function< BooleanOrIntegerLiteral()> InstrumentSearchStrategy(const CpModelProto &cp_model_proto, const std::vector< IntegerVariable > &variable_mapping, const std::function< BooleanOrIntegerLiteral()> &instrumented_strategy, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00288">cp_model_search.cc:288</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00509">pack.cc:509</a></div></div>
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<div class="ttc" id="asat_2util_8h_html"><div class="ttname"><a href="sat_2util_8h.html">util.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html">operations_research::sat::BooleanOrIntegerLiteral</a></div><div class="ttdef"><b>Definition:</b> <a href="integer__search_8h_source.html#l00039">integer_search.h:39</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_a3c6f3ae96a90c7fcef34dd0f1ce0297e"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e">operations_research::sat::BooleanOrIntegerLiteral::boolean_literal_index</a></div><div class="ttdeci">LiteralIndex boolean_literal_index</div><div class="ttdef"><b>Definition:</b> <a href="integer__search_8h_source.html#l00051">integer_search.h:51</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_ae26b73bbf70dc88433be39df364ca7c1"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1">operations_research::sat::BooleanOrIntegerLiteral::HasValue</a></div><div class="ttdeci">bool HasValue() const</div><div class="ttdef"><b>Definition:</b> <a href="integer__search_8h_source.html#l00046">integer_search.h:46</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_aee356429e37f0750e38ee17ae1464a00"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00">operations_research::sat::BooleanOrIntegerLiteral::integer_literal</a></div><div class="ttdeci">IntegerLiteral integer_literal</div><div class="ttdef"><b>Definition:</b> <a href="integer__search_8h_source.html#l00052">integer_search.h:52</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html">operations_research::sat::IntegerLiteral</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00158">integer.h:158</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_a3e2eb445631727dd4abf1d5343f16b2f"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#a3e2eb445631727dd4abf1d5343f16b2f">operations_research::sat::IntegerLiteral::LowerOrEqual</a></div><div class="ttdeci">static IntegerLiteral LowerOrEqual(IntegerVariable i, IntegerValue bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01275">integer.h:1275</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_integer_literal_html_a6c233aafac25ea66d69de93a83c9be63"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_integer_literal.html#a6c233aafac25ea66d69de93a83c9be63">operations_research::sat::IntegerLiteral::GreaterOrEqual</a></div><div class="ttdeci">static IntegerLiteral GreaterOrEqual(IntegerVariable i, IntegerValue bound)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01269">integer.h:1269</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_var_value_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_var_value.html">operations_research::sat::VarValue</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00102">cp_model_search.cc:102</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_var_value_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_var_value.html#ac072af30c4ffbc834bb4c681f6ecb514">operations_research::sat::VarValue::value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00104">cp_model_search.cc:104</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_var_value_html_adb528a1cb1ca190150183394d082590d"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_var_value.html#adb528a1cb1ca190150183394d082590d">operations_research::sat::VarValue::ref</a></div><div class="ttdeci">int ref</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__search_8cc_source.html#l00103">cp_model_search.cc:103</a></div></div>
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