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<div class="title">cp_model_postsolve.cc</div> </div>
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<a href="cp__model__postsolve_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="cp__model__postsolve_8h.html">ortools/sat/cp_model_postsolve.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 "<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="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>sat {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// This postsolve is "special". If the clause is not satisfied, we fix the</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// first literal in the clause to true (even if it was fixed to false). This</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// allows to handle more complex presolve operations used by the SAT presolver.</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// Also, any "free" Boolean should be fixed to some value for the subsequent</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// postsolve steps.</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#ab67697c2e8ba7d65eff35db17d7b94a9"> 27</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1sat.html#ab67697c2e8ba7d65eff35db17d7b94a9">PostsolveClause</a>(<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, std::vector<Domain>* domains) {</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals_size();</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(size, 0);</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordtype">bool</span> satisfied = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals(i);</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</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="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span> ((*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].<a class="code" href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">IsFixed</a>()) {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> ((*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].FixedValue() == (<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? 1 : 0)) {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  satisfied = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// We still need to assign free variable. Any value should work.</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  (*domains)[<a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)] = <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(0);</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</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>  <span class="keywordflow">if</span> (satisfied) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// Change the value of the first variable (which was chosen at presolve).</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> first_ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.bool_or().literals(0);</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  (*domains)[<a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(first_ref)] = <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(first_ref) ? 1 : 0);</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"> 49</span>  </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// Here we simply assign all non-fixed variable to a feasible value. Which</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// should always exists by construction.</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a86291d0b0cde06894aa6ee35a26e7aff"> 52</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a86291d0b0cde06894aa6ee35a26e7aff">PostsolveLinear</a>(<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>,</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">const</span> std::vector<bool>& prefer_lower_value,</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  std::vector<Domain>* domains) {</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> fixed_activity = 0;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars().size();</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  std::vector<int> free_vars;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  std::vector<int64> free_coeffs;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</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="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars(i);</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="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> coeff = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().coeffs(i);</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, domains->size());</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">if</span> (coeff == 0) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> ((*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].<a class="code" href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">IsFixed</a>()) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  fixed_activity += (*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].FixedValue() * coeff;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  free_vars.push_back(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  free_coeffs.push_back(coeff);</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (free_vars.empty()) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classoperations__research_1_1_domain.html">Domain</a> rhs =</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear()).<a class="code" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(-fixed_activity));</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// Fast track for the most common case.</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (free_vars.size() == 1) {</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = free_vars[0];</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_domain.html">Domain</a> domain = rhs.<a class="code" href="classoperations__research_1_1_domain.html#a3ee4169fd7956b77331450d8c7f16bfa">InverseMultiplicationBy</a>(free_coeffs[0])</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  .<a class="code" href="classoperations__research_1_1_domain.html#a835826c4c5129b74553042a357a721ff">IntersectionWith</a>((*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]);</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = prefer_lower_value[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] ? domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>() : domain.<a class="code" href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">Max</a>();</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  (*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</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"> 85</span>  </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// The postsolve code is a bit involved if there is more than one free</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// variable, we have to postsolve them one by one.</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  std::vector<Domain> to_add;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  to_add.push_back(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(0));</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i + 1 < free_vars.size(); ++i) {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">bool</span> exact = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="classoperations__research_1_1_domain.html">Domain</a> term =</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  (*domains)[free_vars[i]].<a class="code" href="classoperations__research_1_1_domain.html#a2c39a0f7b7aec3c48a4cef3a4a54e5d5">MultiplicationBy</a>(-free_coeffs[i], &exact);</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(exact);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  to_add.push_back(term.<a class="code" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(to_add.back()));</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = free_vars.size() - 1; i >= 0; --i) {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// Choose a value for free_vars[i] that fall into rhs + to_add[i].</span></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// This will crash if the intersection is empty, but it shouldn't be.</span></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = free_vars[i];</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> coeff = free_coeffs[i];</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_domain.html">Domain</a> domain = rhs.<a class="code" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(to_add[i])</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  .<a class="code" href="classoperations__research_1_1_domain.html#a3ee4169fd7956b77331450d8c7f16bfa">InverseMultiplicationBy</a>(coeff)</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  .<a class="code" href="classoperations__research_1_1_domain.html#a835826c4c5129b74553042a357a721ff">IntersectionWith</a>((*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]);</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!domain.<a class="code" href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">IsEmpty</a>()) << <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.ShortDebugString();</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = prefer_lower_value[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] ? domain.<a class="code" href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">Min</a>() : domain.<a class="code" href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">Max</a>();</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  (*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  rhs = rhs.<a class="code" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(-coeff * <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// Only needed in debug.</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  fixed_activity += coeff * <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</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>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear()).<a class="code" href="classoperations__research_1_1_domain.html#ab5228a93ebd3b866fc792ad8e5fe8fdc">Contains</a>(fixed_activity));</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// We assign any non fixed lhs variables to their minimum value. Then we assign</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// the target to the max. This should always be feasible.</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a5847f363a08e458c5af1c89ee1112a43"> 118</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a5847f363a08e458c5af1c89ee1112a43">PostsolveIntMax</a>(<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, std::vector<Domain>* domains) {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> m = <a class="code" href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a>;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.int_max().vars()) {</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</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="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (!(*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].<a class="code" href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">IsFixed</a>()) {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// Assign to minimum value.</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> =</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? (*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Min() : (*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Max();</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  (*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = (*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].FixedValue();</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  m = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(m, <a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> : -<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</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>  <span class="keyword">const</span> <span class="keywordtype">int</span> target_ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.int_max().target();</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> target_var = <a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(target_ref);</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(target_ref)) {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  (*domains)[target_var] = (*domains)[target_var].IntersectionWith(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(m));</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  (*domains)[target_var] =</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  (*domains)[target_var].IntersectionWith(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(-m));</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!(*domains)[target_var].IsEmpty());</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> }</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> <span class="comment">// We only support 3 cases in the presolve currently.</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a1743e4469ce5d2535719981c49544a5d"> 144</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a1743e4469ce5d2535719981c49544a5d">PostsolveElement</a>(<span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, std::vector<Domain>* domains) {</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> index_ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.element().index();</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> index_var = <a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(index_ref);</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> target_ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.element().target();</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> target_var = <a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(target_ref);</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// Deal with non-fixed target and non-fixed index. This only happen if</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// whatever the value of the index and selected variable, we can choose a</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// valid target, so we just fix the index to its min value in this case.</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (!(*domains)[target_var].<a class="code" href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">IsFixed</a>() && !(*domains)[index_var].<a class="code" href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">IsFixed</a>()) {</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> index_value = (*domains)[index_var].Min();</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  (*domains)[index_var] = <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(index_value);</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// If the selected variable is not fixed, we also need to fix it.</span></div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> selected_ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.element().vars(</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(index_ref) ? index_value : -index_value);</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> selected_var = <a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(selected_ref);</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (!(*domains)[selected_var].<a class="code" href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">IsFixed</a>()) {</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  (*domains)[selected_var] = <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>((*domains)[selected_var].Min());</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// Deal with fixed index (and constant vars).</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> ((*domains)[index_var].<a class="code" href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">IsFixed</a>()) {</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> index_value = (*domains)[index_var].FixedValue();</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> selected_ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.element().vars(</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(index_ref) ? index_value : -index_value);</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> selected_var = <a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(selected_ref);</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> selected_value = (*domains)[selected_var].FixedValue();</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  (*domains)[target_var] = (*domains)[target_var].IntersectionWith(</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(target_ref) == <a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(selected_ref)</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  ? selected_value</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  : -selected_value));</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!(*domains)[target_var].IsEmpty());</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// Deal with fixed target (and constant vars).</span></div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> target_value = (*domains)[target_var].FixedValue();</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordtype">int</span> selected_index_value = -1;</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.element().vars().size(); ++i) {</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ref = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.element().vars(i);</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</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="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = (*domains)[<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].FixedValue();</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(target_ref) == <a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == target_value) {</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  selected_index_value = i;</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> == -target_value) {</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  selected_index_value = i;</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <a class="code" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(selected_index_value, -1);</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  (*domains)[index_var] = (*domains)[index_var].IntersectionWith(<a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(index_var) ? selected_index_value : -selected_index_value));</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!(*domains)[index_var].IsEmpty());</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
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<div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#a5a473cc8feeff625d0aea55310606f34"> 207</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a5a473cc8feeff625d0aea55310606f34">PostsolveResponse</a>(<span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> num_variables_in_original_model,</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">const</span> CpModelProto& mapping_proto,</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> std::vector<int>& postsolve_mapping,</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  CpSolverResponse* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// Abort if no solution or something is wrong.</span></div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->status() != <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">CpSolverStatus::FEASIBLE</a> &&</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->status() != <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a>) {</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution_size() != postsolve_mapping.size()) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// Read the initial variable domains, either from the fixed solution of the</span></div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// presolved problems or from the mapping model.</span></div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  std::vector<Domain> domains(mapping_proto.variables_size());</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < postsolve_mapping.size(); ++i) {</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(postsolve_mapping[i], domains.size());</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  domains[postsolve_mapping[i]] = <a class="code" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->solution(i));</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < domains.size(); ++i) {</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (domains[i].IsEmpty()) {</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  domains[i] = <a class="code" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(mapping_proto.variables(i));</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!domains[i].IsEmpty());</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// Some free variable should be fixed towards their good objective direction.</span></div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// TODO(user): currently the objective is not part of the mapping_proto, so</span></div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// this shouldn't matter for our current presolve reduction.</span></div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!mapping_proto.has_objective());</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  std::vector<bool> prefer_lower_value(domains.size(), <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (mapping_proto.has_objective()) {</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = mapping_proto.objective().vars().size();</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">int</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = mapping_proto.objective().vars(i);</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> coeff = mapping_proto.objective().coeffs(i);</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  coeff = -coeff;</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  prefer_lower_value[i] = (coeff >= 0);</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  </div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="comment">// Process the constraints in reverse order.</span></div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_constraints = mapping_proto.constraints_size();</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = num_constraints - 1; i >= 0; i--) {</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keyword">const</span> ConstraintProto& <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = mapping_proto.constraints(i);</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// We should only encounter assigned enforcement literal.</span></div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordtype">bool</span> enforced = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal()) {</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (domains[<a class="code" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].FixedValue() ==</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  (<a class="code" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? 0 : 1)) {</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  enforced = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">if</span> (!enforced) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">switch</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case()) {</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">case</span> ConstraintProto::kBoolOr:</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#ab67697c2e8ba7d65eff35db17d7b94a9">PostsolveClause</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, &domains);</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">case</span> ConstraintProto::kLinear:</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a86291d0b0cde06894aa6ee35a26e7aff">PostsolveLinear</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, prefer_lower_value, &domains);</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">case</span> ConstraintProto::kIntMax:</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a5847f363a08e458c5af1c89ee1112a43">PostsolveIntMax</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, &domains);</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">case</span> ConstraintProto::kElement:</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <a class="code" href="namespaceoperations__research_1_1sat.html#a1743e4469ce5d2535719981c49544a5d">PostsolveElement</a>(<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, &domains);</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">// This should never happen as we control what kind of constraint we</span></div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// add to the mapping_proto;</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</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">"Unsupported constraint: "</span> << <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.ShortDebugString();</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</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>  <span class="comment">// Fill the response. Maybe fix some still unfixed variable.</span></div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->mutable_solution()->Clear();</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <a class="code" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(num_variables_in_original_model, domains.size());</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_variables_in_original_model; ++i) {</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">if</span> (prefer_lower_value[i]) {</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution(domains[i].Min());</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->add_solution(domains[i].Max());</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  }</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> }</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> } <span class="comment">// namespace sat</span></div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> } <span class="comment">// namespace operations_research</span></div>
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- doc-content -->
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01858">expr_array.cc:1858</a></div></div>
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<div class="ttc" id="acp__model__postsolve_8h_html"><div class="ttname"><a href="cp__model__postsolve_8h.html">cp_model_postsolve.h</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_abcd33b18ce6d5a90a4ba5c37cfa58829"><div class="ttname"><a href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a></div><div class="ttdeci">SharedResponseManager * response</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02085">cp_model_solver.cc:2085</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">operations_research::sat::FEASIBLE</a></div><div class="ttdeci">@ FEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00230">cp_model.pb.h:230</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="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#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_ab5228a93ebd3b866fc792ad8e5fe8fdc"><div class="ttname"><a href="classoperations__research_1_1_domain.html#ab5228a93ebd3b866fc792ad8e5fe8fdc">operations_research::Domain::Contains</a></div><div class="ttdeci">bool Contains(int64 value) const</div><div class="ttdoc">Returns true iff value is in Domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00221">sorted_interval_list.cc:221</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_a5a473cc8feeff625d0aea55310606f34"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5a473cc8feeff625d0aea55310606f34">operations_research::sat::PostsolveResponse</a></div><div class="ttdeci">void PostsolveResponse(const int64 num_variables_in_original_model, const CpModelProto &mapping_proto, const std::vector< int > &postsolve_mapping, CpSolverResponse *response)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__postsolve_8cc_source.html#l00207">cp_model_postsolve.cc:207</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a5847f363a08e458c5af1c89ee1112a43"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a5847f363a08e458c5af1c89ee1112a43">operations_research::sat::PostsolveIntMax</a></div><div class="ttdeci">void PostsolveIntMax(const ConstraintProto &ct, std::vector< Domain > *domains)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__postsolve_8cc_source.html#l00118">cp_model_postsolve.cc:118</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a8e12342fc420701fbffd97025421575a"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">operations_research::Domain::IsEmpty</a></div><div class="ttdeci">bool IsEmpty() const</div><div class="ttdoc">Returns true if this is the empty set.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00190">sorted_interval_list.cc:190</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab67697c2e8ba7d65eff35db17d7b94a9"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab67697c2e8ba7d65eff35db17d7b94a9">operations_research::sat::PostsolveClause</a></div><div class="ttdeci">void PostsolveClause(const ConstraintProto &ct, std::vector< Domain > *domains)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__postsolve_8cc_source.html#l00027">cp_model_postsolve.cc:27</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</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#l00700">base/logging.h:700</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a4f9af4a46ee07931e3e5e50f6ddfb8ad"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">operations_research::Domain::AdditionWith</a></div><div class="ttdeci">Domain AdditionWith(const Domain &domain) const</div><div class="ttdoc">Returns {x ∈ Int64, ∃ a ∈ D, ∃ b ∈ domain, x = a + b}.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00332">sorted_interval_list.cc:332</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_af458164b470cbba416d5ed579e00ff60"><div class="ttname"><a href="integral__types_8h.html#af458164b470cbba416d5ed579e00ff60">kint64min</a></div><div class="ttdeci">static const int64 kint64min</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00060">integral_types.h:60</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html"><div class="ttname"><a href="classoperations__research_1_1_domain.html">operations_research::Domain</a></div><div class="ttdoc">We call domain any subset of Int64 = [kint64min, kint64max].</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8h_source.html#l00081">sorted_interval_list.h:81</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a835826c4c5129b74553042a357a721ff"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a835826c4c5129b74553042a357a721ff">operations_research::Domain::IntersectionWith</a></div><div class="ttdeci">Domain IntersectionWith(const Domain &domain) const</div><div class="ttdoc">Returns the intersection of D and domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00282">sorted_interval_list.cc:282</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a3ee4169fd7956b77331450d8c7f16bfa"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a3ee4169fd7956b77331450d8c7f16bfa">operations_research::Domain::InverseMultiplicationBy</a></div><div class="ttdeci">Domain InverseMultiplicationBy(const int64 coeff) const</div><div class="ttdoc">Returns {x ∈ Int64, ∃ e ∈ D, x * coeff = e}.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00433">sorted_interval_list.cc:433</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#l00033">cp_model_utils.h:33</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a86291d0b0cde06894aa6ee35a26e7aff"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a86291d0b0cde06894aa6ee35a26e7aff">operations_research::sat::PostsolveLinear</a></div><div class="ttdeci">void PostsolveLinear(const ConstraintProto &ct, const std::vector< bool > &prefer_lower_value, std::vector< Domain > *domains)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__postsolve_8cc_source.html#l00052">cp_model_postsolve.cc:52</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1743e4469ce5d2535719981c49544a5d"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1743e4469ce5d2535719981c49544a5d">operations_research::sat::PostsolveElement</a></div><div class="ttdeci">void PostsolveElement(const ConstraintProto &ct, std::vector< Domain > *domains)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__postsolve_8cc_source.html#l00144">cp_model_postsolve.cc:144</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695"><div class="ttname"><a href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a></div><div class="ttdeci">const Constraint * ct</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00042">demon_profiler.cc:42</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">operations_research::sat::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00232">cp_model.pb.h:232</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#l00884">base/logging.h:884</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ace76b216f012cbdf1443670080329f6d"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ace76b216f012cbdf1443670080329f6d">operations_research::sat::IsFixed</a></div><div class="ttdeci">std::function< bool(const Model &)> IsFixed(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01406">integer.h:1406</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae4db23f10f5d4aad6d735f5a74cd6f8c"><div class="ttname"><a href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a></div><div class="ttdeci">#define CHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00699">base/logging.h:699</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a53e9735282c0bf0769962bd1b6a643bc"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a53e9735282c0bf0769962bd1b6a643bc">operations_research::Domain::Min</a></div><div class="ttdeci">int64 Min() const</div><div class="ttdoc">Returns the min value of the domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00206">sorted_interval_list.cc:206</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#l00034">cp_model_utils.h:34</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb"><div class="ttname"><a href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a></div><div class="ttdeci">#define CHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00698">base/logging.h:698</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab1240060466ba48a36a4b36379bce26a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">operations_research::sat::ReadDomainFromProto</a></div><div class="ttdeci">Domain ReadDomainFromProto(const ProtoWithDomain &proto)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00102">cp_model_utils.h:102</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a5fa627799e723b650fe562b05e1fef5f"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a5fa627799e723b650fe562b05e1fef5f">operations_research::Domain::Max</a></div><div class="ttdeci">int64 Max() const</div><div class="ttdoc">Returns the max value of the domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00211">sorted_interval_list.cc:211</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a2c39a0f7b7aec3c48a4cef3a4a54e5d5"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a2c39a0f7b7aec3c48a4cef3a4a54e5d5">operations_research::Domain::MultiplicationBy</a></div><div class="ttdeci">Domain MultiplicationBy(int64 coeff, bool *exact=nullptr) const</div><div class="ttdoc">Returns {x ∈ Int64, ∃ e ∈ D, x = e * coeff}.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00361">sorted_interval_list.cc:361</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#l00495">base/logging.h:495</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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