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214 lines
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<div class="headertitle"><div class="title">pseudo_costs.h</div></div>
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<a href="pseudo__costs_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#ifndef OR_TOOLS_SAT_PSEUDO_COSTS_H_</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#define OR_TOOLS_SAT_PSEUDO_COSTS_H_</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include "<a class="code" href="strong__vector_8h.html">ortools/base/strong_vector.h</a>"</span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>"</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "<a class="code" href="sat_2model_8h.html">ortools/sat/model.h</a>"</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="sat__base_8h.html">ortools/sat/sat_base.h</a>"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "ortools/sat/sat_parameters.pb.h"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="sat_2util_8h.html">ortools/sat/util.h</a>"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="strong__integers_8h.html">ortools/util/strong_integers.h</a>"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">namespace </span>sat {</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="comment">// Pseudo cost of a variable is measured as average observed change in the</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="comment">// objective bounds per unit change in the variable bounds.</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_pseudo_costs.html"> 33</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_pseudo_costs.html">PseudoCosts</a> {</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// Helper struct to get information relavant for pseudo costs from branching</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// decisions.</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change.html"> 37</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change.html">VariableBoundChange</a> {</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change.html#ab6516f556b715738034b30d290c40214"> 38</a></span> IntegerVariable <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change.html#ab6516f556b715738034b30d290c40214">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06">kNoIntegerVariable</a>;</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change.html#a5fcd8a2a6dc182482852a554e9d73af9"> 39</a></span> IntegerValue <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change.html#a5fcd8a2a6dc182482852a554e9d73af9">lower_bound_change</a> = IntegerValue(0);</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> };</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_pseudo_costs.html#a6ac2fad8756d6aaaf1df8e38dac544a4">PseudoCosts</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// Updates the pseudo costs for the given decision.</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_pseudo_costs.html#aa64c6ffef5c1b7402acad774c70bab08">UpdateCost</a>(<span class="keyword">const</span> std::vector<VariableBoundChange>& bound_changes,</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> IntegerValue obj_bound_improvement);</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// Returns the variable with best reliable pseudo cost that is not fixed.</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> IntegerVariable <a class="code hl_function" href="classoperations__research_1_1sat_1_1_pseudo_costs.html#a00b4cae523b9f6efc893ef55e1d76848">GetBestDecisionVar</a>();</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// Returns the pseudo cost of given variable. Currently used for testing only.</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_pseudo_costs.html#acf4e4390ebb348125b8300b3d065ddd5"> 51</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_pseudo_costs.html#acf4e4390ebb348125b8300b3d065ddd5">GetCost</a>(IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <a class="code hl_define" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, pseudo_costs_.size());</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">return</span> pseudo_costs_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].CurrentAverage();</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> }</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// Returns the number of recordings of given variable. Currently used for</span></div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// testing only.</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_pseudo_costs.html#a039f2246b9fc08fc5f585cfb8d661b19"> 58</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_pseudo_costs.html#a039f2246b9fc08fc5f585cfb8d661b19">GetRecordings</a>(IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_define" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, pseudo_costs_.size());</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">return</span> pseudo_costs_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].NumRecords();</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// Updates the cost of a given variable.</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordtype">void</span> UpdateCostForVar(IntegerVariable <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <span class="keywordtype">double</span> new_cost);</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// Reference of integer trail to access the current bounds of variables.</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_integer_trail.html">IntegerTrail</a>& integer_trail_;</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">const</span> SatParameters& parameters_;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <a class="code hl_class" href="classabsl_1_1_strong_vector.html">absl::StrongVector<IntegerVariable, IncrementalAverage></a> pseudo_costs_;</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>};</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment">// Returns extracted information to update pseudo costs from the given</span></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment">// branching decision.</span></div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span>std::vector<PseudoCosts::VariableBoundChange> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a98bb3bb08c5a9f5c119cf0973bbe5cf8">GetBoundChanges</a>(</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> LiteralIndex decision, Model* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>} <span class="comment">// namespace sat</span></div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_SAT_PSEUDO_COSTS_H_</span></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a4bd2e815ca2f702a4b6aa744b1ff3b82"><div class="ttname"><a href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a></div><div class="ttdeci">#define CHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00706">base/logging.h:706</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_strong_vector_html"><div class="ttname"><a href="classabsl_1_1_strong_vector.html">absl::StrongVector</a></div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00076">strong_vector.h:76</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#l00620">integer.h:620</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#l00042">sat/model.h:42</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_pseudo_costs_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_pseudo_costs.html">operations_research::sat::PseudoCosts</a></div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8h_source.html#l00033">pseudo_costs.h:33</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_pseudo_costs_html_a00b4cae523b9f6efc893ef55e1d76848"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_pseudo_costs.html#a00b4cae523b9f6efc893ef55e1d76848">operations_research::sat::PseudoCosts::GetBestDecisionVar</a></div><div class="ttdeci">IntegerVariable GetBestDecisionVar()</div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8cc_source.html#l00065">pseudo_costs.cc:65</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_pseudo_costs_html_a039f2246b9fc08fc5f585cfb8d661b19"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_pseudo_costs.html#a039f2246b9fc08fc5f585cfb8d661b19">operations_research::sat::PseudoCosts::GetRecordings</a></div><div class="ttdeci">int GetRecordings(IntegerVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8h_source.html#l00058">pseudo_costs.h:58</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_pseudo_costs_html_a6ac2fad8756d6aaaf1df8e38dac544a4"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_pseudo_costs.html#a6ac2fad8756d6aaaf1df8e38dac544a4">operations_research::sat::PseudoCosts::PseudoCosts</a></div><div class="ttdeci">PseudoCosts(Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8cc_source.html#l00032">pseudo_costs.cc:32</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_pseudo_costs_html_aa64c6ffef5c1b7402acad774c70bab08"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_pseudo_costs.html#aa64c6ffef5c1b7402acad774c70bab08">operations_research::sat::PseudoCosts::UpdateCost</a></div><div class="ttdeci">void UpdateCost(const std::vector< VariableBoundChange > &bound_changes, IntegerValue obj_bound_improvement)</div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8cc_source.html#l00049">pseudo_costs.cc:49</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_pseudo_costs_html_acf4e4390ebb348125b8300b3d065ddd5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_pseudo_costs.html#acf4e4390ebb348125b8300b3d065ddd5">operations_research::sat::PseudoCosts::GetCost</a></div><div class="ttdeci">double GetCost(IntegerVariable var) const</div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8h_source.html#l00051">pseudo_costs.h:51</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#l00274">gurobi_interface.cc:274</a></div></div>
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<div class="ttc" id="ainteger_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></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_a98bb3bb08c5a9f5c119cf0973bbe5cf8"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a98bb3bb08c5a9f5c119cf0973bbe5cf8">operations_research::sat::GetBoundChanges</a></div><div class="ttdeci">std::vector< PseudoCosts::VariableBoundChange > GetBoundChanges(LiteralIndex decision, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8cc_source.html#l00104">pseudo_costs.cc:104</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="astrong__integers_8h_html"><div class="ttname"><a href="strong__integers_8h.html">strong_integers.h</a></div></div>
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<div class="ttc" id="astrong__vector_8h_html"><div class="ttname"><a href="strong__vector_8h.html">strong_vector.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change.html">operations_research::sat::PseudoCosts::VariableBoundChange</a></div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8h_source.html#l00037">pseudo_costs.h:37</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change_html_a5fcd8a2a6dc182482852a554e9d73af9"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change.html#a5fcd8a2a6dc182482852a554e9d73af9">operations_research::sat::PseudoCosts::VariableBoundChange::lower_bound_change</a></div><div class="ttdeci">IntegerValue lower_bound_change</div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8h_source.html#l00039">pseudo_costs.h:39</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change_html_ab6516f556b715738034b30d290c40214"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_pseudo_costs_1_1_variable_bound_change.html#ab6516f556b715738034b30d290c40214">operations_research::sat::PseudoCosts::VariableBoundChange::var</a></div><div class="ttdeci">IntegerVariable var</div><div class="ttdef"><b>Definition:</b> <a href="pseudo__costs_8h_source.html#l00038">pseudo_costs.h:38</a></div></div>
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