2423 lines
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2423 lines
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<a href="presolve__context_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="presolve__context_8h.html">ortools/sat/presolve_context.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "<a class="code" href="mathutil_8h.html">ortools/base/mathutil.h</a>"</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="cp__model_8pb_8h.html">ortools/sat/cp_model.pb.h</a>"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="cp__model__loader_8h.html">ortools/sat/cp_model_loader.h</a>"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="sat_2lp__utils_8h.html">ortools/sat/lp_utils.h</a>"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "<a class="code" href="saturated__arithmetic_8h.html">ortools/util/saturated_arithmetic.h</a>"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">namespace </span>sat {</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_saved_literal.html#adf2db0610413d540ca6c4e4f1cce5fd6"> 32</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_saved_literal.html#adf2db0610413d540ca6c4e4f1cce5fd6">SavedLiteral::Get</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_presolve_context.html">PresolveContext</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetLiteralRepresentative(ref_);</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>}</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_saved_variable.html#adf2db0610413d540ca6c4e4f1cce5fd6"> 36</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_saved_variable.html#adf2db0610413d540ca6c4e4f1cce5fd6">SavedVariable::Get</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_presolve_context.html">PresolveContext</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->GetVariableRepresentative(ref_);</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>}</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a24b22e509fdbdb4cd49ccec6a88c46ab"> 40</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a24b22e509fdbdb4cd49ccec6a88c46ab">PresolveContext::ClearStats</a>() { stats_by_rule_name_.clear(); }</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a67699a1a5830ef51dab6941449b02044"> 42</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a67699a1a5830ef51dab6941449b02044">PresolveContext::NewIntVar</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>& domain) {</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_integer_variable_proto.html">IntegerVariableProto</a>* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ad03d1e2f94c4ca4c8004ac5355e6504a">add_variables</a>();</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a901c19b12842f8af153e588a689a90b5">FillDomainInProto</a>(domain, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a62cd771660767621e917b2c256182c4e">InitializeNewDomains</a>();</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#abef5f55c3278c137faca92b8e433f8ea">variables_size</a>() - 1;</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>}</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0967c575f9db0c79ed2e7930a0d6a091"> 49</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0967c575f9db0c79ed2e7930a0d6a091">PresolveContext::NewBoolVar</a>() { <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a67699a1a5830ef51dab6941449b02044">NewIntVar</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(0, 1)); }</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102"> 51</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102">PresolveContext::GetOrCreateConstantVar</a>(int64_t cst) {</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">if</span> (!constant_to_ref_.contains(cst)) {</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> constant_to_ref_[cst] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_variable.html">SavedVariable</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#abef5f55c3278c137faca92b8e433f8ea">variables_size</a>());</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_integer_variable_proto.html">IntegerVariableProto</a>* <span class="keyword">const</span> var_proto = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ad03d1e2f94c4ca4c8004ac5355e6504a">add_variables</a>();</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> var_proto-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_variable_proto.html#abd89087d68515434d861e10adb0f055e">add_domain</a>(cst);</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> var_proto-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_integer_variable_proto.html#abd89087d68515434d861e10adb0f055e">add_domain</a>(cst);</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a62cd771660767621e917b2c256182c4e">InitializeNewDomains</a>();</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> }</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">return</span> constant_to_ref_[cst].Get(<span class="keyword">this</span>);</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span>}</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="comment">// a => b.</span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a1aadaad9b8af16ab5a208c682e2e1717"> 63</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a1aadaad9b8af16ab5a208c682e2e1717">PresolveContext::AddImplication</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, <span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>) {</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ac01de597eeeff5521a8bf54568bf1373">add_constraints</a>();</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_enforcement_literal(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>);</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_bool_and()->add_literals(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>);</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span>}</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="comment">// b => x in [lb, ub].</span></div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#af0280b2bda95804c4166638e7b490ce9"> 70</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af0280b2bda95804c4166638e7b490ce9">PresolveContext::AddImplyInDomain</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>, <span class="keywordtype">int</span> x, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>& domain) {</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>* <span class="keyword">const</span> imply = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ac01de597eeeff5521a8bf54568bf1373">add_constraints</a>();</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// Doing it like this seems to use slightly less memory.</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// TODO(user): Find the best way to create such small proto.</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> imply-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a89be1146e4b049716ff118ceff2b3634">mutable_enforcement_literal</a>()->Resize(1, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>);</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html">LinearConstraintProto</a>* mutable_linear = imply-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>();</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> mutable_linear-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a903f6ead1087d8433f23518e29c4405c">mutable_vars</a>()->Resize(1, x);</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> mutable_linear-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a185aece75e6d7a0a1d8e7499a7a50560">mutable_coeffs</a>()->Resize(1, 1);</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a901c19b12842f8af153e588a689a90b5">FillDomainInProto</a>(domain, mutable_linear);</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>}</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7"> 82</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7">PresolveContext::DomainIsEmpty</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">return</span> domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].IsEmpty();</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>}</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2"> 86</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">PresolveContext::IsFixed</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <a class="code hl_define" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref), domains.size());</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7">DomainIsEmpty</a>(ref));</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">return</span> domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].IsFixed();</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>}</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8"> 92</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8">PresolveContext::CanBeUsedAsLiteral</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Min() >= 0 && domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Max() <= 1;</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>}</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2"> 97</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2">PresolveContext::LiteralIsTrue</a>(<span class="keywordtype">int</span> lit)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8">CanBeUsedAsLiteral</a>(lit));</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(lit)) {</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">return</span> domains[lit].Min() == 1;</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span> domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(lit)].Max() == 0;</div>
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|
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> }</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span>}</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9f3443b281c705edf1779f746637ad9b"> 106</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9f3443b281c705edf1779f746637ad9b">PresolveContext::LiteralIsFalse</a>(<span class="keywordtype">int</span> lit)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8">CanBeUsedAsLiteral</a>(lit));</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(lit)) {</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">return</span> domains[lit].Max() == 0;</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">return</span> domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(lit)].Min() == 1;</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> }</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span>}</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b"> 115</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">PresolveContext::MinOf</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7">DomainIsEmpty</a>(ref));</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].Min()</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> : -domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].Max();</div>
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|
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span>}</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9"> 121</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">PresolveContext::MaxOf</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7">DomainIsEmpty</a>(ref));</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].Max()</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> : -domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].Min();</div>
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|
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span>}</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2"> 127</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">PresolveContext::FixedValue</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7">DomainIsEmpty</a>(ref));</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(ref));</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].Min()</div>
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|
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> : -domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].Min();</div>
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|
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span>}</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa184497ce787d35a517f0879117ff2e5"> 134</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">PresolveContext::MinOf</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> int64_t result = expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>();</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>(); ++i) {</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">const</span> int64_t coeff = expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(i);</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">if</span> (coeff > 0) {</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> result += coeff * <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i));</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> result += coeff * <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i));</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> }</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> }</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>}</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9cbf216d2567a55091668dda32e9024d"> 147</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">PresolveContext::MaxOf</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> int64_t result = expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>();</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>(); ++i) {</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">const</span> int64_t coeff = expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(i);</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordflow">if</span> (coeff > 0) {</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> result += coeff * <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i));</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> result += coeff * <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i));</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> }</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> }</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>}</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae9762a7095f71f2da30294265690ea67"> 160</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">PresolveContext::IsFixed</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>(); ++i) {</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">if</span> (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(i) != 0 && !<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i))) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> }</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span>}</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aff9c8c2bbab244b8f9b47406b37d05b5"> 167</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">PresolveContext::FixedValue</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> int64_t result = expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>();</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>(); ++i) {</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">if</span> (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(i) == 0) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> result += expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(i) * <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">FixedValue</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i));</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>}</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae7450e5b3b9b22663ec7e1fe0d82b6b9"> 176</a></span><a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae7450e5b3b9b22663ec7e1fe0d82b6b9">PresolveContext::DomainSuperSetOf</a>(</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a> result(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>());</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>(); ++i) {</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> result = result.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i)).<a class="code hl_function" href="classoperations__research_1_1_domain.html#a63a708c626b59b4504ddb879496c894e">MultiplicationBy</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(i)));</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> }</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span>}</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#adff3b5f900c3d62132781fc25b54fb1a"> 186</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#adff3b5f900c3d62132781fc25b54fb1a">PresolveContext::ExpressionIsAffineBoolean</a>(</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordflow">if</span> (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>().size() != 1) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8">CanBeUsedAsLiteral</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0));</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>}</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad1cddf8749d0ce1686f1f428926cfb1d"> 192</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad1cddf8749d0ce1686f1f428926cfb1d">PresolveContext::LiteralForExpressionMax</a>(</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">const</span> <span class="keywordtype">int</span> ref = expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0);</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) == (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0) > 0) ? ref : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref);</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span>}</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a36a3dfcbe2bf048497070296b91ed97d"> 198</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a36a3dfcbe2bf048497070296b91ed97d">PresolveContext::ExpressionIsSingleVariable</a>(</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordflow">return</span> expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>() == 0 && expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>() == 1 && expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0) == 1;</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span>}</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0481547ad6462a8cb545e2533bff1dc3"> 203</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0481547ad6462a8cb545e2533bff1dc3">PresolveContext::ExpressionIsALiteral</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr,</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordtype">int</span>* <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">if</span> (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>() != 1) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">const</span> <span class="keywordtype">int</span> ref = expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0);</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) < 0 || <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) > 1) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">if</span> (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>() == 0 && expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0) == 1 && <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> != <span class="keyword">nullptr</span>) *<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = ref;</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> }</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordflow">if</span> (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>() == 1 && expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0) == -1 && <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> != <span class="keyword">nullptr</span>) *<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref);</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> }</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">if</span> (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>() == 1 && expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0) == 1 && !<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> != <span class="keyword">nullptr</span>) *<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = ref;</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span>}</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="comment">// Note that we only support converted intervals.</span></div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9da1edd6532c2c2b0c09544eade57805"> 226</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9da1edd6532c2c2b0c09544eade57805">PresolveContext::IntervalIsConstant</a>(<span class="keywordtype">int</span> ct_ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a> = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(ct_ref);</div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.enforcement_literal().empty()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.interval().has_start()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.interval().start().vars()) {</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> }</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.interval().size().vars()) {</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> }</div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>.interval().end().vars()) {</div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> }</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span>}</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#acb5ca2d891a58b6b9e55eee532c2557c"> 242</a></span>std::string <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#acb5ca2d891a58b6b9e55eee532c2557c">PresolveContext::IntervalDebugString</a>(<span class="keywordtype">int</span> ct_ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9da1edd6532c2c2b0c09544eade57805">IntervalIsConstant</a>(ct_ref)) {</div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"interval_"</span>, ct_ref, <span class="stringliteral">"("</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18">StartMin</a>(ct_ref), <span class="stringliteral">".."</span>,</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4">EndMax</a>(ct_ref), <span class="stringliteral">")"</span>);</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad72f81052c0b904f369ac1cee7217b83">ConstraintIsOptional</a>(ct_ref)) {</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> =</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(ct_ref).<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a874993db797768f3f6f3124dd281bf5b">enforcement_literal</a>(0);</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382">SizeMin</a>(ct_ref) == <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae3ad719e8a03c11498d2d0ab18558f95">SizeMax</a>(ct_ref)) {</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"interval_"</span>, ct_ref, <span class="stringliteral">"(lit="</span>, <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <span class="stringliteral">", "</span>,</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18">StartMin</a>(ct_ref), <span class="stringliteral">" --("</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382">SizeMin</a>(ct_ref), <span class="stringliteral">")--> "</span>,</div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4">EndMax</a>(ct_ref), <span class="stringliteral">")"</span>);</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"interval_"</span>, ct_ref, <span class="stringliteral">"(lit="</span>, <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <span class="stringliteral">", "</span>,</div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18">StartMin</a>(ct_ref), <span class="stringliteral">" --("</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382">SizeMin</a>(ct_ref), <span class="stringliteral">".."</span>,</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae3ad719e8a03c11498d2d0ab18558f95">SizeMax</a>(ct_ref), <span class="stringliteral">")--> "</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4">EndMax</a>(ct_ref), <span class="stringliteral">")"</span>);</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> }</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382">SizeMin</a>(ct_ref) == <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae3ad719e8a03c11498d2d0ab18558f95">SizeMax</a>(ct_ref)) {</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"interval_"</span>, ct_ref, <span class="stringliteral">"("</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18">StartMin</a>(ct_ref), <span class="stringliteral">" --("</span>,</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382">SizeMin</a>(ct_ref), <span class="stringliteral">")--> "</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4">EndMax</a>(ct_ref), <span class="stringliteral">")"</span>);</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"interval_"</span>, ct_ref, <span class="stringliteral">"("</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18">StartMin</a>(ct_ref), <span class="stringliteral">" --("</span>,</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382">SizeMin</a>(ct_ref), <span class="stringliteral">".."</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae3ad719e8a03c11498d2d0ab18558f95">SizeMax</a>(ct_ref), <span class="stringliteral">")--> "</span>,</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4">EndMax</a>(ct_ref), <span class="stringliteral">")"</span>);</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> }</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span>}</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> </div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18"> 268</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18">PresolveContext::StartMin</a>(<span class="keywordtype">int</span> ct_ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_interval_constraint_proto.html">IntervalConstraintProto</a>& <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> =</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(ct_ref).<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a2ec4b0b15e694caaaa842243694c51f5">interval</a>();</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.start());</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span>}</div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> </div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a83cb3816d487395542f17a17776b9a1a"> 274</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a83cb3816d487395542f17a17776b9a1a">PresolveContext::StartMax</a>(<span class="keywordtype">int</span> ct_ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_interval_constraint_proto.html">IntervalConstraintProto</a>& <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> =</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(ct_ref).<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a2ec4b0b15e694caaaa842243694c51f5">interval</a>();</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.start());</div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span>}</div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> </div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5cc6a3ed49ec11734164c7ef646b15d5"> 280</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5cc6a3ed49ec11734164c7ef646b15d5">PresolveContext::EndMin</a>(<span class="keywordtype">int</span> ct_ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_interval_constraint_proto.html">IntervalConstraintProto</a>& <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> =</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(ct_ref).<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a2ec4b0b15e694caaaa842243694c51f5">interval</a>();</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.end());</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span>}</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> </div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4"> 286</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4">PresolveContext::EndMax</a>(<span class="keywordtype">int</span> ct_ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_interval_constraint_proto.html">IntervalConstraintProto</a>& <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> =</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(ct_ref).<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a2ec4b0b15e694caaaa842243694c51f5">interval</a>();</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.end());</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span>}</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> </div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382"> 292</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382">PresolveContext::SizeMin</a>(<span class="keywordtype">int</span> ct_ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_interval_constraint_proto.html">IntervalConstraintProto</a>& <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> =</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(ct_ref).<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a2ec4b0b15e694caaaa842243694c51f5">interval</a>();</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.size());</div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span>}</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae3ad719e8a03c11498d2d0ab18558f95"> 298</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae3ad719e8a03c11498d2d0ab18558f95">PresolveContext::SizeMax</a>(<span class="keywordtype">int</span> ct_ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_interval_constraint_proto.html">IntervalConstraintProto</a>& <a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a> =</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(ct_ref).<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a2ec4b0b15e694caaaa842243694c51f5">interval</a>();</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(<a class="code hl_variable" href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a>.size());</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span>}</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> </div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span><span class="comment">// Important: To be sure a variable can be removed, we need it to not be a</span></div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span><span class="comment">// representative of both affine and equivalence relation.</span></div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span><span class="keywordtype">bool</span> PresolveContext::VariableIsNotRepresentativeOfEquivalenceClass(</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keywordflow">if</span> (affine_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#abc96755c0de80a81fd2730d3f2e85523">ClassSize</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) > 1 &&</div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> affine_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b">Get</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> == <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> }</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keywordflow">if</span> (var_equiv_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#abc96755c0de80a81fd2730d3f2e85523">ClassSize</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) > 1 &&</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> var_equiv_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b">Get</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> == <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> }</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span>}</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> </div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0000c1621c1de75511d17c9d14aae0e8"> 320</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0000c1621c1de75511d17c9d14aae0e8">PresolveContext::VariableIsRemovable</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="keywordflow">return</span> VariableIsNotRepresentativeOfEquivalenceClass(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) &&</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> !<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#ab7b13b808e3dea6fc1e4006f7134e9f9">keep_all_feasible_solutions</a>;</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span>}</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> </div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span><span class="comment">// Tricky: If this variable is equivalent to another one (but not the</span></div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span><span class="comment">// representative) and appear in just one constraint, then this constraint must</span></div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span><span class="comment">// be the affine defining one. And in this case the code using this function</span></div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span><span class="comment">// should do the proper stuff.</span></div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a54cf7f0077717d59a828b656b60c1615"> 330</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a54cf7f0077717d59a828b656b60c1615">PresolveContext::VariableIsUniqueAndRemovable</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f">ConstraintVariableGraphIsUpToDate</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keywordflow">return</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].size() == 1 && <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0000c1621c1de75511d17c9d14aae0e8">VariableIsRemovable</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span>}</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> </div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0d7555344bad8a6d860796d76df34c31"> 336</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0d7555344bad8a6d860796d76df34c31">PresolveContext::VariableWithCostIsUnique</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f">ConstraintVariableGraphIsUpToDate</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keywordflow">return</span> VariableIsNotRepresentativeOfEquivalenceClass(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) &&</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].contains(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>) &&</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].size() == 2;</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span>}</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> </div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span><span class="comment">// Tricky: Same remark as for VariableIsUniqueAndRemovable().</span></div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span><span class="comment">//</span></div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span><span class="comment">// Also if the objective domain is constraining, we can't have a preferred</span></div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span><span class="comment">// direction, so we cannot easily remove such variable.</span></div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a34e2cd343e0dfb06af9f67df8c4c3502"> 348</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a34e2cd343e0dfb06af9f67df8c4c3502">PresolveContext::VariableWithCostIsUniqueAndRemovable</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f">ConstraintVariableGraphIsUpToDate</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0000c1621c1de75511d17c9d14aae0e8">VariableIsRemovable</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) && !objective_domain_is_constraining_ &&</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0d7555344bad8a6d860796d76df34c31">VariableWithCostIsUnique</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span>}</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> </div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span><span class="comment">// Here, even if the variable is equivalent to others, if its affine defining</span></div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span><span class="comment">// constraints where removed, then it is not needed anymore.</span></div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ab246112417bad87cb948820e304208ab"> 357</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ab246112417bad87cb948820e304208ab">PresolveContext::VariableIsNotUsedAnymore</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f">ConstraintVariableGraphIsUpToDate</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keywordflow">return</span> var_to_constraints_[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].empty();</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span>}</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> </div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a6939dc7b9db01cf3deff10405e260461"> 362</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a6939dc7b9db01cf3deff10405e260461">PresolveContext::MarkVariableAsRemoved</a>(<span class="keywordtype">int</span> ref) {</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> removed_variables_.insert(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span>}</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> </div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span><span class="comment">// Note(user): I added an indirection and a function for this to be able to</span></div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span><span class="comment">// display debug information when this return false. This should actually never</span></div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span><span class="comment">// return false in the cases where it is used.</span></div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded"> 369</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">PresolveContext::VariableWasRemoved</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="comment">// It is okay to reuse removed fixed variable.</span></div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(ref)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keywordflow">if</span> (!removed_variables_.contains(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref))) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keywordflow">if</span> (!var_to_constraints_[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].empty()) {</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger_, <span class="stringliteral">"Variable "</span>, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref),</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="stringliteral">" was removed, yet it appears in some constraints!"</span>);</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger_, <span class="stringliteral">"affine relation: "</span>,</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a66810fcd97b5e9c5fd745226607cd7aa">AffineRelationDebugString</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)));</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> c : var_to_constraints_[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)]) {</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> logger_, <span class="stringliteral">"constraint #"</span>, c, <span class="stringliteral">" : "</span>,</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> c >= 0 ? <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(c).ShortDebugString() : <span class="stringliteral">""</span>);</div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> }</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> }</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span>}</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> </div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#af7e074480c08f4887da40ca045624b6c"> 387</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af7e074480c08f4887da40ca045624b6c">PresolveContext::VariableIsOnlyUsedInEncodingAndMaybeInObjective</a>(</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f">ConstraintVariableGraphIsUpToDate</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keywordflow">return</span> var_to_num_linear1_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] == var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].size() ||</div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> (var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].contains(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>) &&</div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> var_to_num_linear1_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] + 1 == var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].size());</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span>}</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> </div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00"> 396</a></span><a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">PresolveContext::DomainOf</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a> result;</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> result = domains[ref];</div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> result = domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].Negation();</div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> }</div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span>}</div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> </div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9dd01897679ba54fca524a3b0b7d5612"> 406</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9dd01897679ba54fca524a3b0b7d5612">PresolveContext::DomainContains</a>(<span class="keywordtype">int</span> ref, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="keywordflow">return</span> domains[<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref)].Contains(-<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> }</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="keywordflow">return</span> domains[ref].Contains(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span>}</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> </div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aece512a8613203cbc4d4bd22e4498623"> 413</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9dd01897679ba54fca524a3b0b7d5612">PresolveContext::DomainContains</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr,</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <a class="code hl_define" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>(), 1);</div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(expr)) {</div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">FixedValue</a>(expr) == <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> }</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="keywordflow">if</span> ((<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>()) % expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0) != 0) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9dd01897679ba54fca524a3b0b7d5612">DomainContains</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0), (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>()) / expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0));</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span>}</div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> </div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55"> 423</a></span>ABSL_MUST_USE_RESULT <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">PresolveContext::IntersectDomainWith</a>(</div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordtype">int</span> ref, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>& domain, <span class="keywordtype">bool</span>* domain_modified) {</div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7">DomainIsEmpty</a>(ref));</div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> </div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keywordflow">if</span> (domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].IsIncludedIn(domain)) {</div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> }</div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].IntersectionWith(domain);</div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a> temp = domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a1e3aa02e2d8300db5f1fc12f6b3228fa">Negation</a>();</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="keywordflow">if</span> (domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].IsIncludedIn(temp)) {</div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> }</div>
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<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] = domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].IntersectionWith(temp);</div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> }</div>
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<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> </div>
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<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="keywordflow">if</span> (domain_modified != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> *domain_modified = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> }</div>
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<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a02302d3a45d02003dcbf288d045ebd86">modified_domains</a>.Set(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="keywordflow">if</span> (domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].IsEmpty()) {</div>
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<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> is_unsat_ = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> }</div>
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<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> </div>
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<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="comment">// Propagate the domain of the representative right away.</span></div>
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<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="comment">// Note that the recursive call should only by one level deep.</span></div>
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<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> r = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="keywordflow">if</span> (r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> == <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>,</div>
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<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)</div>
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<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> .AdditionWith(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>))</div>
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<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> .<a class="code hl_function" href="classoperations__research_1_1_domain.html#a1341b29865c5167a64de30c797672e4c">InverseMultiplicationBy</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>));</div>
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|
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span>}</div>
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<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> </div>
|
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<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa4fb869526d3ab2acbcec775bb18497b"> 460</a></span>ABSL_MUST_USE_RESULT <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">PresolveContext::IntersectDomainWith</a>(</div>
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|
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>& domain,</div>
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<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="keywordtype">bool</span>* domain_modified) {</div>
|
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<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordflow">if</span> (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>().empty()) {</div>
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|
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> <span class="keywordflow">if</span> (domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a22c6c2f121586b5d76feb4b0e536dfde">Contains</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>())) {</div>
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|
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> is_unsat_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> }</div>
|
|
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> }</div>
|
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<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> <span class="keywordflow">if</span> (expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>().size() == 1) { <span class="comment">// Affine</span></div>
|
|
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0),</div>
|
|
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>()))</div>
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|
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> .<a class="code hl_function" href="classoperations__research_1_1_domain.html#a1341b29865c5167a64de30c797672e4c">InverseMultiplicationBy</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0)),</div>
|
|
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> domain_modified);</div>
|
|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> }</div>
|
|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> </div>
|
|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="comment">// We don't do anything for longer expression for now.</span></div>
|
|
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span>}</div>
|
|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> </div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad0d1a630c07ba2321cf43d97a425bc30"> 482</a></span>ABSL_MUST_USE_RESULT <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad0d1a630c07ba2321cf43d97a425bc30">PresolveContext::SetLiteralToFalse</a>(<span class="keywordtype">int</span> lit) {</div>
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|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(lit);</div>
|
|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(lit) ? 0 : 1;</div>
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<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span>}</div>
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<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> </div>
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<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37ed950834f3f3b427a707631fd745f4"> 488</a></span>ABSL_MUST_USE_RESULT <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37ed950834f3f3b427a707631fd745f4">PresolveContext::SetLiteralToTrue</a>(<span class="keywordtype">int</span> lit) {</div>
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<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad0d1a630c07ba2321cf43d97a425bc30">SetLiteralToFalse</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(lit));</div>
|
|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span>}</div>
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|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> </div>
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|
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a100a8cc947bbdb3fd264d42eeeeaa849"> 492</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a100a8cc947bbdb3fd264d42eeeeaa849">PresolveContext::ConstraintIsInactive</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() ==</div>
|
|
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> ConstraintProto::ConstraintCase::CONSTRAINT_NOT_SET) {</div>
|
|
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> }</div>
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|
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal()) {</div>
|
|
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9f3443b281c705edf1779f746637ad9b">LiteralIsFalse</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> }</div>
|
|
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span>}</div>
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<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> </div>
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<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad72f81052c0b904f369ac1cee7217b83"> 504</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad72f81052c0b904f369ac1cee7217b83">PresolveContext::ConstraintIsOptional</a>(<span class="keywordtype">int</span> ct_ref)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(ct_ref);</div>
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<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="keywordtype">bool</span> contains_one_free_literal = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.enforcement_literal()) {</div>
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<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9f3443b281c705edf1779f746637ad9b">LiteralIsFalse</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2">LiteralIsTrue</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) contains_one_free_literal = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> }</div>
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<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <span class="keywordflow">return</span> contains_one_free_literal;</div>
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<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span>}</div>
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<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> </div>
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<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210"> 514</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">PresolveContext::UpdateRuleStats</a>(<span class="keyword">const</span> std::string& <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="keywordtype">int</span> num_times) {</div>
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<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <span class="comment">// We only count if we are going to display it.</span></div>
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<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <span class="keywordflow">if</span> (logger_-><a class="code hl_function" href="classoperations__research_1_1_solver_logger.html#a9492cb97f5ec0ecbce0b5ef1b085738b">LoggingIsEnabled</a>()) {</div>
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<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) << <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5f9c1ea2555cc36fcd716296e54ed17a">num_presolve_operations</a> << <span class="stringliteral">" : "</span> << <a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>;</div>
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<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> stats_by_rule_name_[<a class="code hl_variable" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>] += num_times;</div>
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<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> }</div>
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<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5f9c1ea2555cc36fcd716296e54ed17a">num_presolve_operations</a> += num_times;</div>
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<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span>}</div>
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<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> </div>
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<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span><span class="keywordtype">void</span> PresolveContext::UpdateLinear1Usage(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, <span class="keywordtype">int</span> c) {</div>
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<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <span class="keyword">const</span> <span class="keywordtype">int</span> old_var = constraint_to_linear1_var_[c];</div>
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<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> <span class="keywordflow">if</span> (old_var >= 0) {</div>
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<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> var_to_num_linear1_[old_var]--;</div>
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<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> }</div>
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<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.constraint_case() == ConstraintProto::ConstraintCase::kLinear &&</div>
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<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars().size() == 1) {</div>
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<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.linear().vars(0));</div>
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<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> constraint_to_linear1_var_[c] = <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>;</div>
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<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> var_to_num_linear1_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>]++;</div>
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<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> }</div>
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<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span>}</div>
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<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> </div>
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<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span><span class="keywordtype">void</span> PresolveContext::AddVariableUsage(<span class="keywordtype">int</span> c) {</div>
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<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <span class="keyword">const</span> ConstraintProto& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(c);</div>
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<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> constraint_to_vars_[c] = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1d467595ed8fe5b85dc95328ee1c2770">UsedVariables</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
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<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> constraint_to_intervals_[c] = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217ba4c51953c701a68d6572d79801f1">UsedIntervals</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
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<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> v : constraint_to_vars_[c]) {</div>
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<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(v));</div>
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<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> var_to_constraints_[v].insert(c);</div>
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<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> }</div>
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<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> i : constraint_to_intervals_[c]) interval_usage_[i]++;</div>
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<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> UpdateLinear1Usage(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, c);</div>
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<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span>}</div>
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<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> </div>
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<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ab75a27c0aeda2de9c3957719b8196c36"> 548</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ab75a27c0aeda2de9c3957719b8196c36">PresolveContext::UpdateConstraintVariableUsage</a>(<span class="keywordtype">int</span> c) {</div>
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<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="keywordflow">if</span> (is_unsat_) <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(constraint_to_vars_.size(), <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#aeaf0da781ca9b370d96b7fbd3f74266a">constraints_size</a>());</div>
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<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(c);</div>
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<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> </div>
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<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="comment">// We don't optimize the interval usage as this is not super frequent.</span></div>
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<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> i : constraint_to_intervals_[c]) interval_usage_[i]--;</div>
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<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> constraint_to_intervals_[c] = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217ba4c51953c701a68d6572d79801f1">UsedIntervals</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
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<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> i : constraint_to_intervals_[c]) interval_usage_[i]++;</div>
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<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> </div>
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<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="comment">// For the variables, we avoid an erase() followed by an insert() for the</span></div>
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<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> <span class="comment">// variables that didn't change.</span></div>
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<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> tmp_new_usage_ = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1d467595ed8fe5b85dc95328ee1c2770">UsedVariables</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>);</div>
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<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <span class="keyword">const</span> std::vector<int>& old_usage = constraint_to_vars_[c];</div>
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<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> <span class="keyword">const</span> <span class="keywordtype">int</span> old_size = old_usage.size();</div>
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<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> <span class="keywordtype">int</span> i = 0;</div>
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<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> : tmp_new_usage_) {</div>
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<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> <span class="keywordflow">while</span> (i < old_size && old_usage[i] < <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> var_to_constraints_[old_usage[i]].erase(c);</div>
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<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> ++i;</div>
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<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> }</div>
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<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <span class="keywordflow">if</span> (i < old_size && old_usage[i] == <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> ++i;</div>
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<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].insert(c);</div>
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<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> }</div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> }</div>
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<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <span class="keywordflow">for</span> (; i < old_size; ++i) var_to_constraints_[old_usage[i]].erase(c);</div>
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<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> constraint_to_vars_[c] = tmp_new_usage_;</div>
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<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> </div>
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<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> UpdateLinear1Usage(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, c);</div>
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<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span>}</div>
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<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> </div>
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<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f"> 582</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f">PresolveContext::ConstraintVariableGraphIsUpToDate</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="keywordflow">return</span> constraint_to_vars_.size() == <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#aeaf0da781ca9b370d96b7fbd3f74266a">constraints_size</a>();</div>
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<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span>}</div>
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<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> </div>
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<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a52bccf051bec19d96584096844070eaa"> 586</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a52bccf051bec19d96584096844070eaa">PresolveContext::UpdateNewConstraintsVariableUsage</a>() {</div>
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<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <span class="keywordflow">if</span> (is_unsat_) <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="keyword">const</span> <span class="keywordtype">int</span> old_size = constraint_to_vars_.size();</div>
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<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="keyword">const</span> <span class="keywordtype">int</span> new_size = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#aeaf0da781ca9b370d96b7fbd3f74266a">constraints_size</a>();</div>
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<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <a class="code hl_define" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(old_size, new_size);</div>
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<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> constraint_to_vars_.resize(new_size);</div>
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<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> constraint_to_linear1_var_.resize(new_size, -1);</div>
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<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> constraint_to_intervals_.resize(new_size);</div>
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<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> interval_usage_.resize(new_size);</div>
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<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = old_size; c < new_size; ++c) {</div>
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<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> AddVariableUsage(c);</div>
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<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> }</div>
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<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span>}</div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> </div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span><span class="comment">// TODO(user): Also test var_to_constraints_ !!</span></div>
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<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a11f5290ed8216eea13b9d7383cb4c55f"> 601</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a11f5290ed8216eea13b9d7383cb4c55f">PresolveContext::ConstraintVariableUsageIsConsistent</a>() {</div>
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<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> <span class="keywordflow">if</span> (is_unsat_) <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// We do not care in this case.</span></div>
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<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> <span class="keywordflow">if</span> (constraint_to_vars_.size() != <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#aeaf0da781ca9b370d96b7fbd3f74266a">constraints_size</a>()) {</div>
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<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Wrong constraint_to_vars size!"</span>;</div>
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<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> }</div>
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<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < constraint_to_vars_.size(); ++c) {</div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="keywordflow">if</span> (constraint_to_vars_[c] !=</div>
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<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1d467595ed8fe5b85dc95328ee1c2770">UsedVariables</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(c))) {</div>
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<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Wrong variables usage for constraint: \n"</span></div>
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<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> << <a class="code hl_function" href="namespaceoperations__research.html#aba32b1f1ee3ffb4194aa8af155f827cd">ProtobufDebugString</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>(c))</div>
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<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> << <span class="stringliteral">"old_size: "</span> << constraint_to_vars_[c].size();</div>
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<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> }</div>
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<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> }</div>
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<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordtype">int</span> num_in_objective = 0;</div>
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<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v < var_to_constraints_.size(); ++v) {</div>
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<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> <span class="keywordflow">if</span> (var_to_constraints_[v].contains(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>)) {</div>
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<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> ++num_in_objective;</div>
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<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> <span class="keywordflow">if</span> (!objective_map_.contains(v)) {</div>
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<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Variable "</span> << v</div>
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<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> << <span class="stringliteral">" is marked as part of the objective but isn't."</span>;</div>
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<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> }</div>
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<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> }</div>
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<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> }</div>
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<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <span class="keywordflow">if</span> (num_in_objective != objective_map_.size()) {</div>
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<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Not all variables are marked as part of the objective"</span>;</div>
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<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> }</div>
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<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> </div>
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<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span>}</div>
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<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> </div>
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<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span><span class="comment">// If a Boolean variable (one with domain [0, 1]) appear in this affine</span></div>
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<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span><span class="comment">// equivalence class, then we want its representative to be Boolean. Note that</span></div>
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<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span><span class="comment">// this is always possible because a Boolean variable can never be equal to a</span></div>
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<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span><span class="comment">// multiple of another if std::abs(coeff) is greater than 1 and if it is not</span></div>
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<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span><span class="comment">// fixed to zero. This is important because it allows to simply use the same</span></div>
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<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span><span class="comment">// representative for any referenced literals.</span></div>
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<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span><span class="comment">//</span></div>
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<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span><span class="comment">// Note(user): When both domain contains [0,1] and later the wrong variable</span></div>
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<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span><span class="comment">// become usable as boolean, then we have a bug. Because of that, the code</span></div>
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<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span><span class="comment">// for GetLiteralRepresentative() is not as simple as it should be.</span></div>
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<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span><span class="keywordtype">bool</span> PresolveContext::AddRelation(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, int64_t c, int64_t o,</div>
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<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <a class="code hl_class" href="classoperations__research_1_1_affine_relation.html">AffineRelation</a>* repo) {</div>
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<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> <span class="comment">// When the coefficient is larger than one, then if later one variable becomes</span></div>
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<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <span class="comment">// Boolean, it must be the representative.</span></div>
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<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keywordflow">if</span> (std::abs(c) != 1) <span class="keywordflow">return</span> repo-><a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b">TryAdd</a>(x, y, c, o);</div>
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<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> </div>
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<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(x));</div>
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<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(y));</div>
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<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> </div>
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<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> <span class="comment">// To avoid integer overflow, we always want to use the representative with</span></div>
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<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> <span class="comment">// the smallest domain magnitude. Otherwise we might express a variable in say</span></div>
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<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span> <span class="comment">// [0, 3] as ([x, x + 3] - x) for an arbitrary large x, and substituting</span></div>
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<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span> <span class="comment">// something like this in a linear expression could break our overflow</span></div>
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<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> <span class="comment">// precondition.</span></div>
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<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <span class="comment">// Note that if either rep_x or rep_y can be used as a literal, then it will</span></div>
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<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> <span class="comment">// also be the variable with the smallest domain magnitude (1 or 0 if fixed).</span></div>
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<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="keyword">const</span> <span class="keywordtype">int</span> rep_x = repo-><a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b">Get</a>(x).<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
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<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <span class="keyword">const</span> <span class="keywordtype">int</span> rep_y = repo-><a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b">Get</a>(y).<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
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<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <span class="keyword">const</span> int64_t m_x = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(rep_x)), std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(rep_x)));</div>
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<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> <span class="keyword">const</span> int64_t m_y = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(rep_y)), std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(rep_y)));</div>
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<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> <span class="keywordtype">bool</span> allow_rep_x = m_x < m_y;</div>
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<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <span class="keywordtype">bool</span> allow_rep_y = m_y < m_x;</div>
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<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> <span class="keywordflow">if</span> (m_x == m_y) {</div>
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<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="comment">// If both magnitude are the same, we prefer a positive domain.</span></div>
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|
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> <span class="comment">// This is important so we don't use [-1, 0] as a representative for [0, 1].</span></div>
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<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> allow_rep_x = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(rep_x) >= <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(rep_y);</div>
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|
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> allow_rep_y = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(rep_y) >= <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(rep_x);</div>
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|
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> }</div>
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<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="keywordflow">if</span> (allow_rep_x && allow_rep_y) {</div>
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|
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> <span class="comment">// If both representative are okay, we force the choice to the variable</span></div>
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|
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="comment">// with lower index. This is needed because we have two "equivalence"</span></div>
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|
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="comment">// relations, and we want the same representative in both.</span></div>
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<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <span class="keywordflow">if</span> (rep_x < rep_y) {</div>
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|
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> allow_rep_y = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> allow_rep_x = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> }</div>
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<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> }</div>
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<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="keywordflow">return</span> repo-><a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b">TryAdd</a>(x, y, c, o, allow_rep_x, allow_rep_y);</div>
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<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span>}</div>
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<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> </div>
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<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span><span class="comment">// Note that we just add the relation to the var_equiv_relations_, not to the</span></div>
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<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span><span class="comment">// affine one. This is enough, and should prevent overflow in the affine</span></div>
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<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span><span class="comment">// relation class: if we keep chaining variable fixed to zero, the coefficient</span></div>
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<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span><span class="comment">// in the relation can overflow. For instance if x = 200 y and z = 200 t,</span></div>
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<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span><span class="comment">// nothing prevent us if all end up being zero, to say y = z, which will result</span></div>
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<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span><span class="comment">// in x = 200^2 t. If we make a few bad choices like this, then we can have an</span></div>
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<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span><span class="comment">// overflow.</span></div>
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<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#af4847724208dd09ba3fea8b53132d197"> 694</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af4847724208dd09ba3fea8b53132d197">PresolveContext::ExploitFixedDomain</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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<div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> <span class="keywordflow">if</span> (constant_to_ref_.contains(<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>)) {</div>
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<div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span> <span class="keyword">const</span> <span class="keywordtype">int</span> rep = constant_to_ref_[<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>].Get(<span class="keyword">this</span>);</div>
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<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(rep)) {</div>
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<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> <span class="keywordflow">if</span> (rep != <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> AddRelation(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, rep, 1, 0, &var_equiv_relations_);</div>
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<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> }</div>
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<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(rep) == <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>, 0);</div>
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<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> AddRelation(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(rep), -1, 0, &var_equiv_relations_);</div>
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|
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> }</div>
|
|
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> }</div>
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|
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> constant_to_ref_[<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_variable.html">SavedVariable</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> }</div>
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|
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span>}</div>
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|
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> </div>
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<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5c2f01871b9baa2bc0dc556803c5a1ad"> 716</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5c2f01871b9baa2bc0dc556803c5a1ad">PresolveContext::PropagateAffineRelation</a>(<span class="keywordtype">int</span> ref) {</div>
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|
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
|
|
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> r = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span> <span class="keywordflow">if</span> (r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> == <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno"> 720</span> </div>
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|
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno"> 721</span> <span class="comment">// Propagate domains both ways.</span></div>
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|
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno"> 722</span> <span class="comment">// var = coeff * rep + offset</span></div>
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|
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno"> 723</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>,</div>
|
|
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno"> 724</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)</div>
|
|
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno"> 725</span> .AdditionWith(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>))</div>
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|
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno"> 726</span> .<a class="code hl_function" href="classoperations__research_1_1_domain.html#a1341b29865c5167a64de30c797672e4c">InverseMultiplicationBy</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>))) {</div>
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|
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno"> 727</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno"> 728</span> }</div>
|
|
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno"> 729</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>)</div>
|
|
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"> 730</span> .<a class="code hl_function" href="classoperations__research_1_1_domain.html#a63a708c626b59b4504ddb879496c894e">MultiplicationBy</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>)</div>
|
|
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> .<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>)))) {</div>
|
|
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> }</div>
|
|
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> </div>
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<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span>}</div>
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|
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span> </div>
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<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aabb328e6969888226a7a69a972e22c56"> 738</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aabb328e6969888226a7a69a972e22c56">PresolveContext::RemoveAllVariablesFromAffineRelationConstraint</a>() {</div>
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<div class="line"><a id="l00739" name="l00739"></a><span class="lineno"> 739</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>& ref_map : var_to_constraints_) {</div>
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<div class="line"><a id="l00740" name="l00740"></a><span class="lineno"> 740</span> ref_map.erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae">kAffineRelationConstraint</a>);</div>
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<div class="line"><a id="l00741" name="l00741"></a><span class="lineno"> 741</span> }</div>
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<div class="line"><a id="l00742" name="l00742"></a><span class="lineno"> 742</span>}</div>
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<div class="line"><a id="l00743" name="l00743"></a><span class="lineno"> 743</span> </div>
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<div class="line"><a id="l00744" name="l00744"></a><span class="lineno"> 744</span><span class="comment">// We only call that for a non representative variable that is only used in</span></div>
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<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"> 745</span><span class="comment">// the kAffineRelationConstraint. Such variable can be ignored and should never</span></div>
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<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span><span class="comment">// be seen again in the presolve.</span></div>
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<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5763f8709716596a3aa728bacae05a7b"> 747</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5763f8709716596a3aa728bacae05a7b">PresolveContext::RemoveVariableFromAffineRelation</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
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|
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <span class="keyword">const</span> <span class="keywordtype">int</span> rep = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
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<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> </div>
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<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, rep);</div>
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<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].size(), 1);</div>
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<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].contains(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae">kAffineRelationConstraint</a>));</div>
|
|
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(var_to_constraints_[rep].contains(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae">kAffineRelationConstraint</a>));</div>
|
|
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> </div>
|
|
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> <span class="comment">// We shouldn't reuse this variable again!</span></div>
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|
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a6939dc7b9db01cf3deff10405e260461">MarkVariableAsRemoved</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> </div>
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<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae">kAffineRelationConstraint</a>);</div>
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<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> affine_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#a2dfbb2acebf03bbb98cc1c54256fdead">IgnoreFromClassSize</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span> var_equiv_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#a2dfbb2acebf03bbb98cc1c54256fdead">IgnoreFromClassSize</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span> </div>
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<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"> 763</span> <span class="comment">// If the representative is left alone, we can remove it from the special</span></div>
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<div class="line"><a id="l00764" name="l00764"></a><span class="lineno"> 764</span> <span class="comment">// affine relation constraint too.</span></div>
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<div class="line"><a id="l00765" name="l00765"></a><span class="lineno"> 765</span> <span class="keywordflow">if</span> (affine_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#abc96755c0de80a81fd2730d3f2e85523">ClassSize</a>(rep) == 1 &&</div>
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<div class="line"><a id="l00766" name="l00766"></a><span class="lineno"> 766</span> var_equiv_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#abc96755c0de80a81fd2730d3f2e85523">ClassSize</a>(rep) == 1) {</div>
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<div class="line"><a id="l00767" name="l00767"></a><span class="lineno"> 767</span> var_to_constraints_[rep].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae">kAffineRelationConstraint</a>);</div>
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<div class="line"><a id="l00768" name="l00768"></a><span class="lineno"> 768</span> }</div>
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<div class="line"><a id="l00769" name="l00769"></a><span class="lineno"> 769</span> </div>
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<div class="line"><a id="l00770" name="l00770"></a><span class="lineno"> 770</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="vlog__is__on_8h.html#a956152cad330225654d128f35c00efce">VLOG_IS_ON</a>(2)) {</div>
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<div class="line"><a id="l00771" name="l00771"></a><span class="lineno"> 771</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Removing affine relation: "</span> << <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a66810fcd97b5e9c5fd745226607cd7aa">AffineRelationDebugString</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00772" name="l00772"></a><span class="lineno"> 772</span> }</div>
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<div class="line"><a id="l00773" name="l00773"></a><span class="lineno"> 773</span>}</div>
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<div class="line"><a id="l00774" name="l00774"></a><span class="lineno"> 774</span> </div>
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<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a7b54dd25e40790d8161c7e7b5ba64242"> 775</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a7b54dd25e40790d8161c7e7b5ba64242">PresolveContext::CanonicalizeVariable</a>(<span class="keywordtype">int</span> ref) {</div>
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<div class="line"><a id="l00776" name="l00776"></a><span class="lineno"> 776</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(ref).<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
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<div class="line"><a id="l00777" name="l00777"></a><span class="lineno"> 777</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"> 778</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a> == 0 || <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) <span class="keywordflow">return</span>; <span class="comment">// Nothing to do.</span></div>
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<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> </div>
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<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> <span class="keyword">const</span> <span class="keywordtype">int</span> new_var = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a67699a1a5830ef51dab6941449b02044">NewIntVar</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).AdditionWith(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>)));</div>
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<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">StoreAffineRelation</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, new_var, 1, <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>, <span class="comment">/*debug_no_recursion=*/</span><span class="keyword">true</span>));</div>
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<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables: canonicalize domain"</span>);</div>
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<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a52bccf051bec19d96584096844070eaa">UpdateNewConstraintsVariableUsage</a>();</div>
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<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span>}</div>
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<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> </div>
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<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a46a91d63a8cc54d2d4d7660022eb1c87"> 786</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a46a91d63a8cc54d2d4d7660022eb1c87">PresolveContext::ScaleFloatingPointObjective</a>() {</div>
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<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a6b09c0d4dd973cdfd3fae9a6101e48c0">has_floating_point_objective</a>());</div>
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|
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(!<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a777a6e330a22a8889389cb9b9c9f12d6">has_objective</a>());</div>
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<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> <span class="keyword">const</span> <span class="keyword">auto</span>& objective = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ac16c942cff3caef55a87cee16498344b">floating_point_objective</a>();</div>
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|
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> std::vector<std::pair<int, double>> terms;</div>
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<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < objective.vars_size(); ++i) {</div>
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<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(objective.vars(i)));</div>
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<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> terms.push_back({objective.vars(i), objective.coeffs(i)});</div>
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<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> }</div>
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<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> <span class="keyword">const</span> <span class="keywordtype">double</span> offset = objective.offset();</div>
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<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> maximize = objective.maximize();</div>
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<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a7d307810a396bdab9e7fb8aecec74e44">clear_floating_point_objective</a>();</div>
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<div class="line"><a id="l00798" name="l00798"></a><span class="lineno"> 798</span> </div>
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<div class="line"><a id="l00799" name="l00799"></a><span class="lineno"> 799</span> <span class="comment">// We need the domains up to date before scaling.</span></div>
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<div class="line"><a id="l00800" name="l00800"></a><span class="lineno"> 800</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a6dbf60b03175ebeb45b650fb76b53dbc">WriteVariableDomainsToProto</a>();</div>
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<div class="line"><a id="l00801" name="l00801"></a><span class="lineno"> 801</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a0b38571bb1f48f98df1134a4005d9c21">ScaleAndSetObjective</a>(params_, terms, offset, maximize, <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>,</div>
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<div class="line"><a id="l00802" name="l00802"></a><span class="lineno"> 802</span> logger_);</div>
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<div class="line"><a id="l00803" name="l00803"></a><span class="lineno"> 803</span>}</div>
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<div class="line"><a id="l00804" name="l00804"></a><span class="lineno"> 804</span> </div>
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<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0106fb380cd3f9c642575e6318e95f07"> 805</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0106fb380cd3f9c642575e6318e95f07">PresolveContext::CanonicalizeAffineVariable</a>(<span class="keywordtype">int</span> ref, int64_t coeff,</div>
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<div class="line"><a id="l00806" name="l00806"></a><span class="lineno"> 806</span> int64_t mod, int64_t rhs) {</div>
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<div class="line"><a id="l00807" name="l00807"></a><span class="lineno"> 807</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(mod, 0);</div>
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<div class="line"><a id="l00808" name="l00808"></a><span class="lineno"> 808</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(coeff, 0);</div>
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<div class="line"><a id="l00809" name="l00809"></a><span class="lineno"> 809</span> </div>
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<div class="line"><a id="l00810" name="l00810"></a><span class="lineno"> 810</span> <span class="keyword">const</span> int64_t gcd = std::gcd(coeff, mod);</div>
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<div class="line"><a id="l00811" name="l00811"></a><span class="lineno"> 811</span> <span class="keywordflow">if</span> (gcd != 1) {</div>
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<div class="line"><a id="l00812" name="l00812"></a><span class="lineno"> 812</span> <span class="keywordflow">if</span> (rhs % gcd != 0) {</div>
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<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"> 813</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0">NotifyThatModelIsUnsat</a>(</div>
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<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> absl::StrCat(<span class="stringliteral">"Infeasible "</span>, coeff, <span class="stringliteral">" * X = "</span>, rhs, <span class="stringliteral">" % "</span>, mod));</div>
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<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> }</div>
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<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> coeff /= gcd;</div>
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<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> mod /= gcd;</div>
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<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> rhs /= gcd;</div>
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<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> }</div>
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<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> </div>
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<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> <span class="comment">// We just abort in this case as there is no point introducing a new variable.</span></div>
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<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> <span class="keywordflow">if</span> (std::abs(mod) == 1) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> </div>
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<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = ref;</div>
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<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
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<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref);</div>
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<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> coeff = -coeff;</div>
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<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> rhs = -rhs;</div>
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<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> }</div>
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<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span> </div>
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<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span> <span class="comment">// From var * coeff % mod = rhs</span></div>
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<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span> <span class="comment">// We have var = mod * X + offset.</span></div>
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<div class="line"><a id="l00833" name="l00833"></a><span class="lineno"> 833</span> <span class="keyword">const</span> int64_t offset = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ac015d81b88379719f680eadc2aad1508">ProductWithModularInverse</a>(coeff, mod, rhs);</div>
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<div class="line"><a id="l00834" name="l00834"></a><span class="lineno"> 834</span> </div>
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<div class="line"><a id="l00835" name="l00835"></a><span class="lineno"> 835</span> <span class="comment">// Lets create a new integer variable and add the affine relation.</span></div>
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<div class="line"><a id="l00836" name="l00836"></a><span class="lineno"> 836</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a> new_domain =</div>
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<div class="line"><a id="l00837" name="l00837"></a><span class="lineno"> 837</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-offset)).<a class="code hl_function" href="classoperations__research_1_1_domain.html#a1341b29865c5167a64de30c797672e4c">InverseMultiplicationBy</a>(mod);</div>
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<div class="line"><a id="l00838" name="l00838"></a><span class="lineno"> 838</span> <span class="keywordflow">if</span> (new_domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">IsEmpty</a>()) {</div>
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<div class="line"><a id="l00839" name="l00839"></a><span class="lineno"> 839</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0">NotifyThatModelIsUnsat</a>(</div>
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<div class="line"><a id="l00840" name="l00840"></a><span class="lineno"> 840</span> <span class="stringliteral">"Empty domain in CanonicalizeAffineVariable()"</span>);</div>
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<div class="line"><a id="l00841" name="l00841"></a><span class="lineno"> 841</span> }</div>
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<div class="line"><a id="l00842" name="l00842"></a><span class="lineno"> 842</span> <span class="keywordflow">if</span> (new_domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a826a01cb8175850ff6e5b833e4689959">IsFixed</a>()) {</div>
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<div class="line"><a id="l00843" name="l00843"></a><span class="lineno"> 843</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables: fixed value due to affine relation"</span>);</div>
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<div class="line"><a id="l00844" name="l00844"></a><span class="lineno"> 844</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(</div>
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<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"> 845</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, new_domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a2fe0f92e6c1681f46239c1b14d091dea">ContinuousMultiplicationBy</a>(mod).<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(</div>
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<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(offset)));</div>
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<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> }</div>
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<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> </div>
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<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> <span class="comment">// We make sure the new variable has a domain starting at zero to minimize</span></div>
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<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> <span class="comment">// future overflow issues. If it end up Boolean, it is also nice to be able to</span></div>
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<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> <span class="comment">// use it as such.</span></div>
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<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> <span class="comment">// A potential problem with this is that it messes up the natural variable</span></div>
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<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> <span class="comment">// order chosen by the modeler. We try to correct that when mapping variables</span></div>
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<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> <span class="comment">// at the end of the presolve.</span></div>
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<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span> <span class="keyword">const</span> int64_t min_value = new_domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8cf21a67f7d81a800ff912239bb2db64">Min</a>();</div>
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<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span> <span class="keyword">const</span> <span class="keywordtype">int</span> new_var = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a67699a1a5830ef51dab6941449b02044">NewIntVar</a>(new_domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-min_value)));</div>
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<div class="line"><a id="l00858" name="l00858"></a><span class="lineno"> 858</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">StoreAffineRelation</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, new_var, mod, offset + mod * min_value,</div>
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<div class="line"><a id="l00859" name="l00859"></a><span class="lineno"> 859</span> <span class="comment">/*debug_no_recursion=*/</span><span class="keyword">true</span>));</div>
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<div class="line"><a id="l00860" name="l00860"></a><span class="lineno"> 860</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables: canonicalize affine domain"</span>);</div>
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<div class="line"><a id="l00861" name="l00861"></a><span class="lineno"> 861</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a52bccf051bec19d96584096844070eaa">UpdateNewConstraintsVariableUsage</a>();</div>
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<div class="line"><a id="l00862" name="l00862"></a><span class="lineno"> 862</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00863" name="l00863"></a><span class="lineno"> 863</span>}</div>
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<div class="line"><a id="l00864" name="l00864"></a><span class="lineno"> 864</span> </div>
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<div class="line"><a id="l00865" name="l00865"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138"> 865</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">PresolveContext::StoreAffineRelation</a>(<span class="keywordtype">int</span> ref_x, <span class="keywordtype">int</span> ref_y, int64_t coeff,</div>
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<div class="line"><a id="l00866" name="l00866"></a><span class="lineno"> 866</span> int64_t offset,</div>
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<div class="line"><a id="l00867" name="l00867"></a><span class="lineno"> 867</span> <span class="keywordtype">bool</span> debug_no_recursion) {</div>
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<div class="line"><a id="l00868" name="l00868"></a><span class="lineno"> 868</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(coeff, 0);</div>
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<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"> 869</span> <span class="keywordflow">if</span> (is_unsat_) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> </div>
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<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> <span class="comment">// TODO(user): I am not 100% sure why, but sometimes the representative is</span></div>
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<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> <span class="comment">// fixed but that is not propagated to ref_x or ref_y and this causes issues.</span></div>
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<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5c2f01871b9baa2bc0dc556803c5a1ad">PropagateAffineRelation</a>(ref_x)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5c2f01871b9baa2bc0dc556803c5a1ad">PropagateAffineRelation</a>(ref_y)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> </div>
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|
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(ref_x)) {</div>
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|
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> <span class="keyword">const</span> int64_t lhs = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(ref_x).<a class="code hl_function" href="classoperations__research_1_1_domain.html#a46d31d56136315d2894193c3ac74ec66">FixedValue</a>() - offset;</div>
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|
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> <span class="keywordflow">if</span> (lhs % std::abs(coeff) != 0) {</div>
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<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0">NotifyThatModelIsUnsat</a>();</div>
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|
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span> }</div>
|
|
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"affine: fixed"</span>);</div>
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|
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno"> 882</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(ref_y, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(lhs / coeff));</div>
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|
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno"> 883</span> }</div>
|
|
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno"> 884</span> </div>
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<div class="line"><a id="l00885" name="l00885"></a><span class="lineno"> 885</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(ref_y)) {</div>
|
|
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno"> 886</span> <span class="keyword">const</span> int64_t value_x = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(ref_y).<a class="code hl_function" href="classoperations__research_1_1_domain.html#a46d31d56136315d2894193c3ac74ec66">FixedValue</a>() * coeff + offset;</div>
|
|
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno"> 887</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"affine: fixed"</span>);</div>
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|
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno"> 888</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(ref_x, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(value_x));</div>
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|
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno"> 889</span> }</div>
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|
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"> 890</span> </div>
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<div class="line"><a id="l00891" name="l00891"></a><span class="lineno"> 891</span> <span class="comment">// If both are already in the same class, we need to make sure the relations</span></div>
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|
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno"> 892</span> <span class="comment">// are compatible.</span></div>
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<div class="line"><a id="l00893" name="l00893"></a><span class="lineno"> 893</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> rx = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(ref_x);</div>
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|
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno"> 894</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> ry = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(ref_y);</div>
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|
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"> 895</span> <span class="keywordflow">if</span> (rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> == ry.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>) {</div>
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|
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> <span class="comment">// x = rx.coeff * rep + rx.offset;</span></div>
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|
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> <span class="comment">// y = ry.coeff * rep + ry.offset;</span></div>
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<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> <span class="comment">// And x == coeff * ry.coeff * rep + (coeff * ry.offset + offset).</span></div>
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|
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> <span class="comment">//</span></div>
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|
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> <span class="comment">// So we get the relation a * rep == b with a and b defined here:</span></div>
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<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> = coeff * ry.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a> - rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>;</div>
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|
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> = coeff * ry.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a> + offset - rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>;</div>
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<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> == 0) {</div>
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|
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> != 0) <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0">NotifyThatModelIsUnsat</a>();</div>
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|
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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|
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> }</div>
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<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> % <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> != 0) {</div>
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<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0">NotifyThatModelIsUnsat</a>();</div>
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|
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> }</div>
|
|
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"affine: unique solution"</span>);</div>
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|
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> <span class="keyword">const</span> int64_t unique_value = -<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> / <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>;</div>
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<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(unique_value))) {</div>
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<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> }</div>
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|
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(ref_x,</div>
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|
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(unique_value * rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a> + rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>))) {</div>
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|
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> }</div>
|
|
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(ref_y,</div>
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|
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(unique_value * ry.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a> + ry.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>))) {</div>
|
|
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span> }</div>
|
|
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno"> 924</span> }</div>
|
|
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno"> 925</span> </div>
|
|
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno"> 926</span> <span class="comment">// ref_x = coeff * ref_y + offset;</span></div>
|
|
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno"> 927</span> <span class="comment">// rx.coeff * rep_x + rx.offset =</span></div>
|
|
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno"> 928</span> <span class="comment">// coeff * (ry.coeff * rep_y + ry.offset) + offset</span></div>
|
|
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"> 929</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span> <span class="comment">// We have a * rep_x + b * rep_y == o</span></div>
|
|
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno"> 931</span> int64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> = rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>;</div>
|
|
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno"> 932</span> int64_t <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> = coeff * ry.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>;</div>
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|
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno"> 933</span> int64_t o = coeff * ry.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a> + offset - rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>;</div>
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|
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno"> 934</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, 0);</div>
|
|
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno"> 935</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>, 0);</div>
|
|
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno"> 936</span> {</div>
|
|
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"> 937</span> <span class="keyword">const</span> int64_t gcd = <a class="code hl_function" href="classoperations__research_1_1_math_util.html#ae94db7b2fa1d8e1b3c1dc6c683191609">MathUtil::GCD64</a>(std::abs(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>), std::abs(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>));</div>
|
|
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> <span class="keywordflow">if</span> (gcd != 1) {</div>
|
|
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> /= gcd;</div>
|
|
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> /= gcd;</div>
|
|
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <span class="keywordflow">if</span> (o % gcd != 0) <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0">NotifyThatModelIsUnsat</a>();</div>
|
|
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> o /= gcd;</div>
|
|
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> }</div>
|
|
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> }</div>
|
|
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> </div>
|
|
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> <span class="comment">// In this (rare) case, we need to canonicalize one of the variable that will</span></div>
|
|
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> <span class="comment">// become the representative for both.</span></div>
|
|
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> <span class="keywordflow">if</span> (std::abs(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>) > 1 && std::abs(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>) > 1) {</div>
|
|
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"affine: created common representative"</span>);</div>
|
|
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0106fb380cd3f9c642575e6318e95f07">CanonicalizeAffineVariable</a>(rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>, <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>, std::abs(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>),</div>
|
|
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> offset)) {</div>
|
|
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> }</div>
|
|
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> </div>
|
|
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> <span class="comment">// Re-add the relation now that a will resolve to a multiple of b.</span></div>
|
|
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">StoreAffineRelation</a>(ref_x, ref_y, coeff, offset,</div>
|
|
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> <span class="comment">/*debug_no_recursion=*/</span><span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> }</div>
|
|
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> </div>
|
|
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> <span class="comment">// Canonicalize to x = c * y + o</span></div>
|
|
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> <span class="keywordtype">int</span> x, y;</div>
|
|
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> int64_t c;</div>
|
|
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> <span class="keywordtype">bool</span> negate = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> <span class="keywordflow">if</span> (std::abs(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>) == 1) {</div>
|
|
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> x = rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
|
|
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> y = ry.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
|
|
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> c = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>;</div>
|
|
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> negate = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a> < 0;</div>
|
|
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(std::abs(<a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a>), 1);</div>
|
|
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> x = ry.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
|
|
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> y = rx.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
|
|
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> c = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a>;</div>
|
|
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> negate = <a class="code hl_variable" href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a> < 0;</div>
|
|
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> }</div>
|
|
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> <span class="keywordflow">if</span> (negate) {</div>
|
|
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> c = -c;</div>
|
|
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> o = -o;</div>
|
|
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span> }</div>
|
|
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(x));</div>
|
|
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(y));</div>
|
|
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span> </div>
|
|
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span> <span class="comment">// Lets propagate domains first.</span></div>
|
|
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(</div>
|
|
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> y, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(x).AdditionWith(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-o)).InverseMultiplicationBy(c))) {</div>
|
|
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> }</div>
|
|
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(</div>
|
|
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> x,</div>
|
|
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(y).ContinuousMultiplicationBy(c).AdditionWith(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(o)))) {</div>
|
|
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> }</div>
|
|
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> </div>
|
|
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> <span class="comment">// To avoid corner cases where replacing x by y in a linear expression</span></div>
|
|
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> <span class="comment">// can cause overflow, we might want to canonicalize y first to avoid</span></div>
|
|
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> <span class="comment">// cases like x = c * [large_value, ...] - large_value.</span></div>
|
|
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> <span class="comment">// TODO(user): we can do better for overflow by not always choosing the</span></div>
|
|
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> <span class="comment">// min at zero, do the best things if it becomes needed.</span></div>
|
|
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> <span class="keywordflow">if</span> (std::abs(o) > <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(x)), std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(x)))) {</div>
|
|
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> <span class="comment">// Both these function recursively call StoreAffineRelation() but shouldn't</span></div>
|
|
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> <span class="comment">// be able to cascade (CHECKED).</span></div>
|
|
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!debug_no_recursion);</div>
|
|
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a7b54dd25e40790d8161c7e7b5ba64242">CanonicalizeVariable</a>(y);</div>
|
|
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">StoreAffineRelation</a>(x, y, c, o, <span class="comment">/*debug_no_recursion=*/</span><span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> }</div>
|
|
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> </div>
|
|
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> <span class="comment">// TODO(user): can we force the rep and remove GetAffineRelation()?</span></div>
|
|
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(AddRelation(x, y, c, o, &affine_relations_));</div>
|
|
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> <span class="keywordflow">if</span> ((c == 1 || c == -1) && o == 0) {</div>
|
|
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(AddRelation(x, y, c, o, &var_equiv_relations_));</div>
|
|
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> }</div>
|
|
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> </div>
|
|
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"affine: new relation"</span>);</div>
|
|
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> </div>
|
|
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> <span class="comment">// Lets propagate again the new relation. We might as well do it as early</span></div>
|
|
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> <span class="comment">// as possible and not all call site do it.</span></div>
|
|
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> <span class="comment">// TODO(user): I am not sure this is needed given the propagation above.</span></div>
|
|
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5c2f01871b9baa2bc0dc556803c5a1ad">PropagateAffineRelation</a>(ref_x)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5c2f01871b9baa2bc0dc556803c5a1ad">PropagateAffineRelation</a>(ref_y)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> </div>
|
|
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> <span class="comment">// These maps should only contains representative, so only need to remap</span></div>
|
|
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> <span class="comment">// either x or y.</span></div>
|
|
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> <span class="keyword">const</span> <span class="keywordtype">int</span> rep = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(x).<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
|
|
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> </div>
|
|
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> <span class="comment">// The domain didn't change, but this notification allows to re-process any</span></div>
|
|
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> <span class="comment">// constraint containing these variables. Note that we do not need to</span></div>
|
|
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> <span class="comment">// retrigger a propagation of the constraint containing a variable whose</span></div>
|
|
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> <span class="comment">// representative didn't change.</span></div>
|
|
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <span class="keywordflow">if</span> (x != rep) <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a02302d3a45d02003dcbf288d045ebd86">modified_domains</a>.Set(x);</div>
|
|
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> <span class="keywordflow">if</span> (y != rep) <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a02302d3a45d02003dcbf288d045ebd86">modified_domains</a>.Set(y);</div>
|
|
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> </div>
|
|
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> var_to_constraints_[x].insert(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae">kAffineRelationConstraint</a>);</div>
|
|
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> var_to_constraints_[y].insert(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae">kAffineRelationConstraint</a>);</div>
|
|
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span>}</div>
|
|
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> </div>
|
|
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a307dddcaccf0a7efca0143d0cdf0cacd"> 1039</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a307dddcaccf0a7efca0143d0cdf0cacd">PresolveContext::StoreBooleanEqualityRelation</a>(<span class="keywordtype">int</span> ref_a, <span class="keywordtype">int</span> ref_b) {</div>
|
|
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> <span class="keywordflow">if</span> (is_unsat_) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> </div>
|
|
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(ref_a));</div>
|
|
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(ref_b));</div>
|
|
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(ref_a).IsEmpty());</div>
|
|
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(ref_b).IsEmpty());</div>
|
|
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8">CanBeUsedAsLiteral</a>(ref_a));</div>
|
|
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8">CanBeUsedAsLiteral</a>(ref_b));</div>
|
|
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> </div>
|
|
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> <span class="keywordflow">if</span> (ref_a == ref_b) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> <span class="keywordflow">if</span> (ref_a == <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(ref_b)) <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(ref_a, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(0));</div>
|
|
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> </div>
|
|
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_a = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref_a);</div>
|
|
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_b = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref_b);</div>
|
|
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref_a) == <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref_b)) {</div>
|
|
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> <span class="comment">// a = b</span></div>
|
|
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">StoreAffineRelation</a>(var_a, var_b, <span class="comment">/*coeff=*/</span>1, <span class="comment">/*offset=*/</span>0);</div>
|
|
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> }</div>
|
|
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> <span class="comment">// a = 1 - b</span></div>
|
|
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">StoreAffineRelation</a>(var_a, var_b, <span class="comment">/*coeff=*/</span>-1, <span class="comment">/*offset=*/</span>1);</div>
|
|
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span>}</div>
|
|
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> </div>
|
|
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a06f0856b91c0399720273b5da85ce280"> 1062</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a06f0856b91c0399720273b5da85ce280">PresolveContext::StoreAbsRelation</a>(<span class="keywordtype">int</span> target_ref, <span class="keywordtype">int</span> ref) {</div>
|
|
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> <span class="keyword">const</span> <span class="keyword">auto</span> insert_status = abs_relations_.insert(</div>
|
|
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> std::make_pair(target_ref, <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_variable.html">SavedVariable</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref))));</div>
|
|
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> <span class="keywordflow">if</span> (!insert_status.second) {</div>
|
|
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> <span class="comment">// Tricky: overwrite if the old value refer to a now unused variable.</span></div>
|
|
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> <span class="keyword">const</span> <span class="keywordtype">int</span> candidate = insert_status.first->second.Get(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> <span class="keywordflow">if</span> (removed_variables_.contains(candidate)) {</div>
|
|
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> insert_status.first->second = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_variable.html">SavedVariable</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
|
|
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> }</div>
|
|
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> }</div>
|
|
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span>}</div>
|
|
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> </div>
|
|
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#af97bdc26758ff0f27314cafb7c2d7044"> 1077</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af97bdc26758ff0f27314cafb7c2d7044">PresolveContext::GetAbsRelation</a>(<span class="keywordtype">int</span> target_ref, <span class="keywordtype">int</span>* ref) {</div>
|
|
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> <span class="keyword">auto</span> it = abs_relations_.find(target_ref);</div>
|
|
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> <span class="keywordflow">if</span> (it == abs_relations_.end()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> </div>
|
|
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span> <span class="comment">// Tricky: In some rare case the stored relation can refer to a deleted</span></div>
|
|
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> <span class="comment">// variable, so we need to ignore it.</span></div>
|
|
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> <span class="comment">// TODO(user): Incorporate this as part of SavedVariable/SavedLiteral so we</span></div>
|
|
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> <span class="comment">// make sure we never forget about this.</span></div>
|
|
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> <span class="keyword">const</span> <span class="keywordtype">int</span> candidate = it->second.Get(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> <span class="keywordflow">if</span> (removed_variables_.contains(candidate)) {</div>
|
|
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> abs_relations_.erase(it);</div>
|
|
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> }</div>
|
|
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span> *ref = candidate;</div>
|
|
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(*ref));</div>
|
|
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span>}</div>
|
|
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span> </div>
|
|
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f"> 1096</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">PresolveContext::GetLiteralRepresentative</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> r = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
|
|
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> </div>
|
|
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8">CanBeUsedAsLiteral</a>(ref));</div>
|
|
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8">CanBeUsedAsLiteral</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>)) {</div>
|
|
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> <span class="comment">// Note(user): This can happen is some corner cases where the affine</span></div>
|
|
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> <span class="comment">// relation where added before the variable became usable as Boolean. When</span></div>
|
|
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> <span class="comment">// this is the case, the domain will be of the form [x, x + 1] and should be</span></div>
|
|
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> <span class="comment">// later remapped to a Boolean variable.</span></div>
|
|
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> <span class="keywordflow">return</span> ref;</div>
|
|
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span> }</div>
|
|
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> </div>
|
|
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span> <span class="comment">// We made sure that the affine representative can always be used as a</span></div>
|
|
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span> <span class="comment">// literal. However, if some variable are fixed, we might not have only</span></div>
|
|
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span> <span class="comment">// (coeff=1 offset=0) or (coeff=-1 offset=1) and we might have something like</span></div>
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|
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span> <span class="comment">// (coeff=8 offset=0) which is only valid for both variable at zero...</span></div>
|
|
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> <span class="comment">// What is sure is that depending on the value, only one mapping can be valid</span></div>
|
|
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span> <span class="comment">// because r.coeff can never be zero.</span></div>
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|
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> positive_possible = (r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a> == 0 || r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a> + r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a> == 1);</div>
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|
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> negative_possible = (r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a> == 1 || r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a> + r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a> == 0);</div>
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|
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> <a class="code hl_define" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(positive_possible, negative_possible);</div>
|
|
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
|
|
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> <span class="keywordflow">return</span> positive_possible ? r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>);</div>
|
|
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> <span class="keywordflow">return</span> positive_possible ? <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>) : r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
|
|
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> }</div>
|
|
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span>}</div>
|
|
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> </div>
|
|
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a6387e91b098c081f059892e1346a29ed"> 1125</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a6387e91b098c081f059892e1346a29ed">PresolveContext::GetVariableRepresentative</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
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|
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> r = var_equiv_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b">Get</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
|
|
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(std::abs(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>), 1);</div>
|
|
<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>, 0);</div>
|
|
<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) == (r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a> == 1) ? r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a></div>
|
|
<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span> : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>);</div>
|
|
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span>}</div>
|
|
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> </div>
|
|
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span><span class="comment">// This makes sure that the affine relation only uses one of the</span></div>
|
|
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span><span class="comment">// representative from the var_equiv_relations_.</span></div>
|
|
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814"> 1135</a></span><a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">PresolveContext::GetAffineRelation</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> r = affine_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b">Get</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
|
|
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> o = var_equiv_relations_.<a class="code hl_function" href="classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b">Get</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>);</div>
|
|
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span> r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> = o.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>;</div>
|
|
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span> <span class="keywordflow">if</span> (o.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a> == -1) r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a> = -r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>;</div>
|
|
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
|
|
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span> r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a> *= -1;</div>
|
|
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a> *= -1;</div>
|
|
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> }</div>
|
|
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span> <span class="keywordflow">return</span> r;</div>
|
|
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span>}</div>
|
|
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span> </div>
|
|
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad5e9882b154b8a7e8619b29c5631386e"> 1147</a></span>std::string <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad5e9882b154b8a7e8619b29c5631386e">PresolveContext::RefDebugString</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span> <span class="keywordflow">return</span> absl::StrCat(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? <span class="stringliteral">"X"</span> : <span class="stringliteral">"-X"</span>, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref),</div>
|
|
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(ref).<a class="code hl_function" href="namespaceoperations__research.html#a23fc0ff92a3f47fe0bd2ad3eac3c9b57">ToString</a>());</div>
|
|
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span>}</div>
|
|
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> </div>
|
|
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a66810fcd97b5e9c5fd745226607cd7aa"> 1152</a></span>std::string <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a66810fcd97b5e9c5fd745226607cd7aa">PresolveContext::AffineRelationDebugString</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> r = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(ref);</div>
|
|
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span> <span class="keywordflow">return</span> absl::StrCat(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad5e9882b154b8a7e8619b29c5631386e">RefDebugString</a>(ref), <span class="stringliteral">" = "</span>, r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>, <span class="stringliteral">" * "</span>,</div>
|
|
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad5e9882b154b8a7e8619b29c5631386e">RefDebugString</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>), <span class="stringliteral">" + "</span>, r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>);</div>
|
|
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span>}</div>
|
|
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span> </div>
|
|
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span><span class="comment">// Create the internal structure for any new variables in working_model.</span></div>
|
|
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a62cd771660767621e917b2c256182c4e"> 1159</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a62cd771660767621e917b2c256182c4e">PresolveContext::InitializeNewDomains</a>() {</div>
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|
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = domains.size(); i < working_model->variables_size(); ++i) {</div>
|
|
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> domains.emplace_back(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a6a4544ca20489d70e302f5d6d374a012">variables</a>(i)));</div>
|
|
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> <span class="keywordflow">if</span> (domains.back().IsEmpty()) {</div>
|
|
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span> is_unsat_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span> }</div>
|
|
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(i)) <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af4847724208dd09ba3fea8b53132d197">ExploitFixedDomain</a>(i);</div>
|
|
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span> }</div>
|
|
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a02302d3a45d02003dcbf288d045ebd86">modified_domains</a>.Resize(domains.size());</div>
|
|
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span> var_to_constraints_.resize(domains.size());</div>
|
|
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span> var_to_num_linear1_.resize(domains.size());</div>
|
|
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a47714f887512a3d7acebfcb4a348291a">var_to_ub_only_constraints</a>.resize(domains.size());</div>
|
|
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a23aa815e8a7a860998c4d35760fa087e">var_to_lb_only_constraints</a>.resize(domains.size());</div>
|
|
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span>}</div>
|
|
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span> </div>
|
|
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a7ea7bb314db4dbe4f3b2cac16a2af20f"> 1175</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a7ea7bb314db4dbe4f3b2cac16a2af20f">PresolveContext::CanonicalizeDomainOfSizeTwo</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).Size(), 2);</div>
|
|
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span> <span class="keyword">const</span> int64_t var_min = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span> <span class="keyword">const</span> int64_t var_max = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> </div>
|
|
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span> <span class="keywordflow">if</span> (is_unsat_) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span> </div>
|
|
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span> absl::flat_hash_map<int64_t, SavedLiteral>& var_map = encoding_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span> </div>
|
|
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> <span class="comment">// Find encoding for min if present.</span></div>
|
|
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span> <span class="keyword">auto</span> min_it = var_map.find(var_min);</div>
|
|
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span> <span class="keywordflow">if</span> (min_it != var_map.end()) {</div>
|
|
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span> <span class="keyword">const</span> <span class="keywordtype">int</span> old_var = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(min_it->second.Get(<span class="keyword">this</span>));</div>
|
|
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span> <span class="keywordflow">if</span> (removed_variables_.contains(old_var)) {</div>
|
|
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> var_map.erase(min_it);</div>
|
|
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span> min_it = var_map.end();</div>
|
|
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span> }</div>
|
|
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> }</div>
|
|
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span> </div>
|
|
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span> <span class="comment">// Find encoding for max if present.</span></div>
|
|
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span> <span class="keyword">auto</span> max_it = var_map.find(var_max);</div>
|
|
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span> <span class="keywordflow">if</span> (max_it != var_map.end()) {</div>
|
|
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> <span class="keyword">const</span> <span class="keywordtype">int</span> old_var = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(max_it->second.Get(<span class="keyword">this</span>));</div>
|
|
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span> <span class="keywordflow">if</span> (removed_variables_.contains(old_var)) {</div>
|
|
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> var_map.erase(max_it);</div>
|
|
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span> max_it = var_map.end();</div>
|
|
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span> }</div>
|
|
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> }</div>
|
|
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span> </div>
|
|
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span> <span class="comment">// Insert missing encoding.</span></div>
|
|
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span> <span class="keywordtype">int</span> min_literal;</div>
|
|
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span> <span class="keywordtype">int</span> max_literal;</div>
|
|
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span> <span class="keywordflow">if</span> (min_it != var_map.end() && max_it != var_map.end()) {</div>
|
|
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span> min_literal = min_it->second.Get(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> max_literal = max_it->second.Get(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span> <span class="keywordflow">if</span> (min_literal != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(max_literal)) {</div>
|
|
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables with 2 values: merge encoding literals"</span>);</div>
|
|
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a307dddcaccf0a7efca0143d0cdf0cacd">StoreBooleanEqualityRelation</a>(min_literal, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(max_literal));</div>
|
|
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span> <span class="keywordflow">if</span> (is_unsat_) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span> }</div>
|
|
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span> min_literal = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">GetLiteralRepresentative</a>(min_literal);</div>
|
|
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span> max_literal = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">GetLiteralRepresentative</a>(max_literal);</div>
|
|
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(min_literal)) <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(min_literal, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(max_literal));</div>
|
|
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (min_it != var_map.end() && max_it == var_map.end()) {</div>
|
|
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables with 2 values: register other encoding"</span>);</div>
|
|
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span> min_literal = min_it->second.Get(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span> max_literal = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(min_literal);</div>
|
|
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span> var_map[var_max] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(max_literal);</div>
|
|
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (min_it == var_map.end() && max_it != var_map.end()) {</div>
|
|
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables with 2 values: register other encoding"</span>);</div>
|
|
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span> max_literal = max_it->second.Get(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span> min_literal = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(max_literal);</div>
|
|
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span> var_map[var_min] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(min_literal);</div>
|
|
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables with 2 values: create encoding literal"</span>);</div>
|
|
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span> max_literal = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0967c575f9db0c79ed2e7930a0d6a091">NewBoolVar</a>();</div>
|
|
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span> min_literal = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(max_literal);</div>
|
|
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span> var_map[var_min] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(min_literal);</div>
|
|
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span> var_map[var_max] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(max_literal);</div>
|
|
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> }</div>
|
|
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span> </div>
|
|
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(min_literal) || <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(max_literal)) {</div>
|
|
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(min_literal));</div>
|
|
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(max_literal));</div>
|
|
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables with 2 values: fixed encoding"</span>);</div>
|
|
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2">LiteralIsTrue</a>(min_literal)) {</div>
|
|
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">void</span><span class="keyword">></span>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(var_min)));</div>
|
|
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">void</span><span class="keyword">></span>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(var_max)));</div>
|
|
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span> }</div>
|
|
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span> }</div>
|
|
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span> </div>
|
|
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span> <span class="comment">// Add affine relation.</span></div>
|
|
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(min_literal)) {</div>
|
|
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables with 2 values: new affine relation"</span>);</div>
|
|
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(max_literal)) {</div>
|
|
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span> (void)<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">StoreAffineRelation</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(max_literal),</div>
|
|
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span> var_max - var_min, var_min);</div>
|
|
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span> (void)<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">StoreAffineRelation</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(max_literal),</div>
|
|
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span> var_min - var_max, var_max);</div>
|
|
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span> }</div>
|
|
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span> }</div>
|
|
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span>}</div>
|
|
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span> </div>
|
|
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span><span class="keywordtype">void</span> PresolveContext::InsertVarValueEncodingInternal(<span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
|
|
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>,</div>
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<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span> <span class="keywordtype">bool</span> add_constraints) {</div>
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|
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
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|
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>));</div>
|
|
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span> absl::flat_hash_map<int64_t, SavedLiteral>& var_map = encoding_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span> </div>
|
|
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> <span class="comment">// The code below is not 100% correct if this is not the case.</span></div>
|
|
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).Contains(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
|
|
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span> </div>
|
|
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span> <span class="comment">// If an encoding already exist, make the two Boolean equals.</span></div>
|
|
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span> <span class="keyword">const</span> <span class="keyword">auto</span> [it, inserted] =</div>
|
|
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span> var_map.insert(std::make_pair(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)));</div>
|
|
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span> <span class="keywordflow">if</span> (!inserted) {</div>
|
|
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span> <span class="keyword">const</span> <span class="keywordtype">int</span> previous_literal = it->second.Get(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span> </div>
|
|
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span> <span class="comment">// Ticky and rare: I have only observed this on the LNS of</span></div>
|
|
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span> <span class="comment">// radiation_m18_12_05_sat.fzn. The value was encoded, but maybe we never</span></div>
|
|
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span> <span class="comment">// used the involved variables / constraints, so it was removed (with the</span></div>
|
|
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span> <span class="comment">// encoding constraints) from the model already! We have to be careful.</span></div>
|
|
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(previous_literal)) {</div>
|
|
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span> it->second = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> != previous_literal) {</div>
|
|
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(</div>
|
|
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span> <span class="stringliteral">"variables: merge equivalent var value encoding literals"</span>);</div>
|
|
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a307dddcaccf0a7efca0143d0cdf0cacd">StoreBooleanEqualityRelation</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, previous_literal);</div>
|
|
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span> }</div>
|
|
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span> }</div>
|
|
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span> }</div>
|
|
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span> </div>
|
|
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).Size() == 2) {</div>
|
|
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span> <span class="comment">// TODO(user): There is a bug here if the var == value was not in the</span></div>
|
|
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span> <span class="comment">// domain, it will just be ignored.</span></div>
|
|
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a7ea7bb314db4dbe4f3b2cac16a2af20f">CanonicalizeDomainOfSizeTwo</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) << <span class="stringliteral">"Insert lit("</span> << <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> << <span class="stringliteral">") <=> var("</span> << <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div>
|
|
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span> << <span class="stringliteral">") == "</span> << <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span> eq_half_encoding_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>].insert(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span> neq_half_encoding_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>].insert(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>));</div>
|
|
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span> <span class="keywordflow">if</span> (add_constraints) {</div>
|
|
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables: add encoding constraint"</span>);</div>
|
|
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af0280b2bda95804c4166638e7b490ce9">AddImplyInDomain</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, Domain(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
|
|
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af0280b2bda95804c4166638e7b490ce9">AddImplyInDomain</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>), <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, Domain(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>).Complement());</div>
|
|
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span> }</div>
|
|
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span> }</div>
|
|
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span>}</div>
|
|
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span> </div>
|
|
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span><span class="keywordtype">bool</span> PresolveContext::InsertHalfVarValueEncoding(<span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
|
|
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <span class="keywordtype">bool</span> imply_eq) {</div>
|
|
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span> <span class="keywordflow">if</span> (is_unsat_) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>));</div>
|
|
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span> </div>
|
|
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span> <span class="comment">// Creates the linking sets on demand.</span></div>
|
|
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span> <span class="comment">// Insert the enforcement literal in the half encoding map.</span></div>
|
|
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span> <span class="keyword">auto</span>& direct_set =</div>
|
|
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span> imply_eq ? eq_half_encoding_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : neq_half_encoding_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>];</div>
|
|
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span> <span class="keywordflow">if</span> (!direct_set.insert(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>).second) <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// Already there.</span></div>
|
|
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span> </div>
|
|
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) << <span class="stringliteral">"Collect lit("</span> << <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> << <span class="stringliteral">") implies var("</span> << <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div>
|
|
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span> << (imply_eq ? <span class="stringliteral">") == "</span> : <span class="stringliteral">") != "</span>) << <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables: detect half reified value encoding"</span>);</div>
|
|
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span> </div>
|
|
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span> <span class="comment">// Note(user): We don't expect a lot of literals in these sets, so doing</span></div>
|
|
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span> <span class="comment">// a scan should be okay.</span></div>
|
|
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span> <span class="keyword">auto</span>& other_set =</div>
|
|
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span> imply_eq ? neq_half_encoding_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : eq_half_encoding_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>][<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>];</div>
|
|
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> other : other_set) {</div>
|
|
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">GetLiteralRepresentative</a>(other) != <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span> </div>
|
|
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"variables: detect fully reified value encoding"</span>);</div>
|
|
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span> <span class="keyword">const</span> <span class="keywordtype">int</span> imply_eq_literal = imply_eq ? <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span> InsertVarValueEncodingInternal(imply_eq_literal, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>,</div>
|
|
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span> <span class="comment">/*add_constraints=*/</span><span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"> 1337</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"> 1338</span> }</div>
|
|
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span> </div>
|
|
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span>}</div>
|
|
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span> </div>
|
|
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span><span class="keywordtype">bool</span> PresolveContext::CanonicalizeEncoding(<span class="keywordtype">int</span>* ref, int64_t* <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"> 1344</span> <span class="keyword">const</span> AffineRelation::Relation r = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(*ref);</div>
|
|
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span> <span class="keywordflow">if</span> ((*<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - r.offset) % r.coeff != 0) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span> *ref = r.representative;</div>
|
|
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span> *<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = (*<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - r.offset) / r.coeff;</div>
|
|
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span>}</div>
|
|
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span> </div>
|
|
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a69fea604a632b4b91ed950a0e622489c"> 1351</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a69fea604a632b4b91ed950a0e622489c">PresolveContext::InsertVarValueEncoding</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <span class="keywordtype">int</span> ref,</div>
|
|
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"> 1352</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span> <span class="keywordflow">if</span> (!CanonicalizeEncoding(&ref, &<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
|
|
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ad0d1a630c07ba2321cf43d97a425bc30">SetLiteralToFalse</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span> }</div>
|
|
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">GetLiteralRepresentative</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span> InsertVarValueEncodingInternal(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, ref, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <span class="comment">/*add_constraints=*/</span><span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01359" name="l01359"></a><span class="lineno"> 1359</span>}</div>
|
|
<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span> </div>
|
|
<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#afdf0f5e877efe4e1d003300f0ce1234f"> 1361</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#afdf0f5e877efe4e1d003300f0ce1234f">PresolveContext::StoreLiteralImpliesVarEqValue</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
|
|
<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</span> <span class="keywordflow">if</span> (!CanonicalizeEncoding(&<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, &<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01364" name="l01364"></a><span class="lineno"> 1364</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">GetLiteralRepresentative</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01365" name="l01365"></a><span class="lineno"> 1365</span> <span class="keywordflow">return</span> InsertHalfVarValueEncoding(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <span class="comment">/*imply_eq=*/</span><span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l01366" name="l01366"></a><span class="lineno"> 1366</span>}</div>
|
|
<div class="line"><a id="l01367" name="l01367"></a><span class="lineno"> 1367</span> </div>
|
|
<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2877bce637c80df492977b5b6487d563"> 1368</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2877bce637c80df492977b5b6487d563">PresolveContext::StoreLiteralImpliesVarNEqValue</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>,</div>
|
|
<div class="line"><a id="l01369" name="l01369"></a><span class="lineno"> 1369</span> int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01370" name="l01370"></a><span class="lineno"> 1370</span> <span class="keywordflow">if</span> (!CanonicalizeEncoding(&<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, &<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">GetLiteralRepresentative</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</span> <span class="keywordflow">return</span> InsertHalfVarValueEncoding(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <span class="comment">/*imply_eq=*/</span><span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l01373" name="l01373"></a><span class="lineno"> 1373</span>}</div>
|
|
<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"> 1374</span> </div>
|
|
<div class="line"><a id="l01375" name="l01375"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9925335988ccbe70e9150a9ce71b9952"> 1375</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9925335988ccbe70e9150a9ce71b9952">PresolveContext::HasVarValueEncoding</a>(<span class="keywordtype">int</span> ref, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>,</div>
|
|
<div class="line"><a id="l01376" name="l01376"></a><span class="lineno"> 1376</span> <span class="keywordtype">int</span>* <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>) {</div>
|
|
<div class="line"><a id="l01377" name="l01377"></a><span class="lineno"> 1377</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(ref));</div>
|
|
<div class="line"><a id="l01378" name="l01378"></a><span class="lineno"> 1378</span> <span class="keywordflow">if</span> (!CanonicalizeEncoding(&ref, &<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01379" name="l01379"></a><span class="lineno"> 1379</span> <span class="keyword">const</span> absl::flat_hash_map<int64_t, SavedLiteral>& var_map = encoding_[ref];</div>
|
|
<div class="line"><a id="l01380" name="l01380"></a><span class="lineno"> 1380</span> <span class="keyword">const</span> <span class="keyword">auto</span> it = var_map.find(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l01381" name="l01381"></a><span class="lineno"> 1381</span> <span class="keywordflow">if</span> (it != var_map.end()) {</div>
|
|
<div class="line"><a id="l01382" name="l01382"></a><span class="lineno"> 1382</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l01383" name="l01383"></a><span class="lineno"> 1383</span> *<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = it->second.Get(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01384" name="l01384"></a><span class="lineno"> 1384</span> }</div>
|
|
<div class="line"><a id="l01385" name="l01385"></a><span class="lineno"> 1385</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01386" name="l01386"></a><span class="lineno"> 1386</span> }</div>
|
|
<div class="line"><a id="l01387" name="l01387"></a><span class="lineno"> 1387</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01388" name="l01388"></a><span class="lineno"> 1388</span>}</div>
|
|
<div class="line"><a id="l01389" name="l01389"></a><span class="lineno"> 1389</span> </div>
|
|
<div class="line"><a id="l01390" name="l01390"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a058746ebd0b438afbdd49eb5bd290d8f"> 1390</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a058746ebd0b438afbdd49eb5bd290d8f">PresolveContext::IsFullyEncoded</a>(<span class="keywordtype">int</span> ref)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l01391" name="l01391"></a><span class="lineno"> 1391</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
|
|
<div class="line"><a id="l01392" name="l01392"></a><span class="lineno"> 1392</span> <span class="keyword">const</span> int64_t size = domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Size();</div>
|
|
<div class="line"><a id="l01393" name="l01393"></a><span class="lineno"> 1393</span> <span class="keywordflow">if</span> (size <= 2) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01394" name="l01394"></a><span class="lineno"> 1394</span> <span class="keyword">const</span> <span class="keyword">auto</span>& it = encoding_.find(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01395" name="l01395"></a><span class="lineno"> 1395</span> <span class="keywordflow">return</span> it == encoding_.end() ? false : size <= it->second.size();</div>
|
|
<div class="line"><a id="l01396" name="l01396"></a><span class="lineno"> 1396</span>}</div>
|
|
<div class="line"><a id="l01397" name="l01397"></a><span class="lineno"> 1397</span> </div>
|
|
<div class="line"><a id="l01398" name="l01398"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#adb5bd84dff48647dcee299fa600b685a"> 1398</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a058746ebd0b438afbdd49eb5bd290d8f">PresolveContext::IsFullyEncoded</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l01399" name="l01399"></a><span class="lineno"> 1399</span> <a class="code hl_define" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>(), 1);</div>
|
|
<div class="line"><a id="l01400" name="l01400"></a><span class="lineno"> 1400</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(expr)) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01401" name="l01401"></a><span class="lineno"> 1401</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a058746ebd0b438afbdd49eb5bd290d8f">IsFullyEncoded</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0));</div>
|
|
<div class="line"><a id="l01402" name="l01402"></a><span class="lineno"> 1402</span>}</div>
|
|
<div class="line"><a id="l01403" name="l01403"></a><span class="lineno"> 1403</span> </div>
|
|
<div class="line"><a id="l01404" name="l01404"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a4f9423ff72ed20e477fff16e8887df96"> 1404</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a4f9423ff72ed20e477fff16e8887df96">PresolveContext::GetOrCreateVarValueEncoding</a>(<span class="keywordtype">int</span> ref, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01405" name="l01405"></a><span class="lineno"> 1405</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(ref));</div>
|
|
<div class="line"><a id="l01406" name="l01406"></a><span class="lineno"> 1406</span> <span class="keywordflow">if</span> (!CanonicalizeEncoding(&ref, &<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102">GetOrCreateConstantVar</a>(0);</div>
|
|
<div class="line"><a id="l01407" name="l01407"></a><span class="lineno"> 1407</span> </div>
|
|
<div class="line"><a id="l01408" name="l01408"></a><span class="lineno"> 1408</span> <span class="comment">// Positive after CanonicalizeEncoding().</span></div>
|
|
<div class="line"><a id="l01409" name="l01409"></a><span class="lineno"> 1409</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = ref;</div>
|
|
<div class="line"><a id="l01410" name="l01410"></a><span class="lineno"> 1410</span> </div>
|
|
<div class="line"><a id="l01411" name="l01411"></a><span class="lineno"> 1411</span> <span class="comment">// Returns the false literal if the value is not in the domain.</span></div>
|
|
<div class="line"><a id="l01412" name="l01412"></a><span class="lineno"> 1412</span> <span class="keywordflow">if</span> (!domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Contains(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
|
|
<div class="line"><a id="l01413" name="l01413"></a><span class="lineno"> 1413</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102">GetOrCreateConstantVar</a>(0);</div>
|
|
<div class="line"><a id="l01414" name="l01414"></a><span class="lineno"> 1414</span> }</div>
|
|
<div class="line"><a id="l01415" name="l01415"></a><span class="lineno"> 1415</span> </div>
|
|
<div class="line"><a id="l01416" name="l01416"></a><span class="lineno"> 1416</span> <span class="comment">// Returns the associated literal if already present.</span></div>
|
|
<div class="line"><a id="l01417" name="l01417"></a><span class="lineno"> 1417</span> absl::flat_hash_map<int64_t, SavedLiteral>& var_map = encoding_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a id="l01418" name="l01418"></a><span class="lineno"> 1418</span> <span class="keyword">auto</span> it = var_map.find(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l01419" name="l01419"></a><span class="lineno"> 1419</span> <span class="keywordflow">if</span> (it != var_map.end()) {</div>
|
|
<div class="line"><a id="l01420" name="l01420"></a><span class="lineno"> 1420</span> <span class="keyword">const</span> <span class="keywordtype">int</span> lit = it->second.Get(<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l01421" name="l01421"></a><span class="lineno"> 1421</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(lit)) {</div>
|
|
<div class="line"><a id="l01422" name="l01422"></a><span class="lineno"> 1422</span> <span class="comment">// If the variable was already removed, for now we create a new one.</span></div>
|
|
<div class="line"><a id="l01423" name="l01423"></a><span class="lineno"> 1423</span> <span class="comment">// This should be rare hopefully.</span></div>
|
|
<div class="line"><a id="l01424" name="l01424"></a><span class="lineno"> 1424</span> var_map.erase(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l01425" name="l01425"></a><span class="lineno"> 1425</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01426" name="l01426"></a><span class="lineno"> 1426</span> <span class="keywordflow">return</span> lit;</div>
|
|
<div class="line"><a id="l01427" name="l01427"></a><span class="lineno"> 1427</span> }</div>
|
|
<div class="line"><a id="l01428" name="l01428"></a><span class="lineno"> 1428</span> }</div>
|
|
<div class="line"><a id="l01429" name="l01429"></a><span class="lineno"> 1429</span> </div>
|
|
<div class="line"><a id="l01430" name="l01430"></a><span class="lineno"> 1430</span> <span class="comment">// Special case for fixed domains.</span></div>
|
|
<div class="line"><a id="l01431" name="l01431"></a><span class="lineno"> 1431</span> <span class="keywordflow">if</span> (domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Size() == 1) {</div>
|
|
<div class="line"><a id="l01432" name="l01432"></a><span class="lineno"> 1432</span> <span class="keyword">const</span> <span class="keywordtype">int</span> true_literal = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102">GetOrCreateConstantVar</a>(1);</div>
|
|
<div class="line"><a id="l01433" name="l01433"></a><span class="lineno"> 1433</span> var_map[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(true_literal);</div>
|
|
<div class="line"><a id="l01434" name="l01434"></a><span class="lineno"> 1434</span> <span class="keywordflow">return</span> true_literal;</div>
|
|
<div class="line"><a id="l01435" name="l01435"></a><span class="lineno"> 1435</span> }</div>
|
|
<div class="line"><a id="l01436" name="l01436"></a><span class="lineno"> 1436</span> </div>
|
|
<div class="line"><a id="l01437" name="l01437"></a><span class="lineno"> 1437</span> <span class="comment">// Special case for domains of size 2.</span></div>
|
|
<div class="line"><a id="l01438" name="l01438"></a><span class="lineno"> 1438</span> <span class="keyword">const</span> int64_t var_min = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01439" name="l01439"></a><span class="lineno"> 1439</span> <span class="keyword">const</span> int64_t var_max = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01440" name="l01440"></a><span class="lineno"> 1440</span> <span class="keywordflow">if</span> (domains[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].Size() == 2) {</div>
|
|
<div class="line"><a id="l01441" name="l01441"></a><span class="lineno"> 1441</span> <span class="comment">// Checks if the other value is already encoded.</span></div>
|
|
<div class="line"><a id="l01442" name="l01442"></a><span class="lineno"> 1442</span> <span class="keyword">const</span> int64_t other_value = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == var_min ? var_max : var_min;</div>
|
|
<div class="line"><a id="l01443" name="l01443"></a><span class="lineno"> 1443</span> <span class="keyword">auto</span> other_it = var_map.find(other_value);</div>
|
|
<div class="line"><a id="l01444" name="l01444"></a><span class="lineno"> 1444</span> <span class="keywordflow">if</span> (other_it != var_map.end()) {</div>
|
|
<div class="line"><a id="l01445" name="l01445"></a><span class="lineno"> 1445</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(other_it->second.Get(<span class="keyword">this</span>));</div>
|
|
<div class="line"><a id="l01446" name="l01446"></a><span class="lineno"> 1446</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">VariableWasRemoved</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>)) {</div>
|
|
<div class="line"><a id="l01447" name="l01447"></a><span class="lineno"> 1447</span> <span class="comment">// If the variable was already removed, for now we create a new one.</span></div>
|
|
<div class="line"><a id="l01448" name="l01448"></a><span class="lineno"> 1448</span> <span class="comment">// This should be rare hopefully.</span></div>
|
|
<div class="line"><a id="l01449" name="l01449"></a><span class="lineno"> 1449</span> var_map.erase(other_value);</div>
|
|
<div class="line"><a id="l01450" name="l01450"></a><span class="lineno"> 1450</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01451" name="l01451"></a><span class="lineno"> 1451</span> <span class="comment">// Update the encoding map. The domain could have been reduced to size</span></div>
|
|
<div class="line"><a id="l01452" name="l01452"></a><span class="lineno"> 1452</span> <span class="comment">// two after the creation of the first literal.</span></div>
|
|
<div class="line"><a id="l01453" name="l01453"></a><span class="lineno"> 1453</span> var_map[<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01454" name="l01454"></a><span class="lineno"> 1454</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>;</div>
|
|
<div class="line"><a id="l01455" name="l01455"></a><span class="lineno"> 1455</span> }</div>
|
|
<div class="line"><a id="l01456" name="l01456"></a><span class="lineno"> 1456</span> }</div>
|
|
<div class="line"><a id="l01457" name="l01457"></a><span class="lineno"> 1457</span> </div>
|
|
<div class="line"><a id="l01458" name="l01458"></a><span class="lineno"> 1458</span> <span class="keywordflow">if</span> (var_min == 0 && var_max == 1) {</div>
|
|
<div class="line"><a id="l01459" name="l01459"></a><span class="lineno"> 1459</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">GetLiteralRepresentative</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01460" name="l01460"></a><span class="lineno"> 1460</span> var_map[1] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(<a class="code hl_variable" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a>);</div>
|
|
<div class="line"><a id="l01461" name="l01461"></a><span class="lineno"> 1461</span> var_map[0] = <a class="code hl_class" href="classoperations__research_1_1sat_1_1_saved_literal.html">SavedLiteral</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a>));</div>
|
|
<div class="line"><a id="l01462" name="l01462"></a><span class="lineno"> 1462</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == 1 ? <a class="code hl_variable" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a> : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a>);</div>
|
|
<div class="line"><a id="l01463" name="l01463"></a><span class="lineno"> 1463</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01464" name="l01464"></a><span class="lineno"> 1464</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0967c575f9db0c79ed2e7930a0d6a091">NewBoolVar</a>();</div>
|
|
<div class="line"><a id="l01465" name="l01465"></a><span class="lineno"> 1465</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a69fea604a632b4b91ed950a0e622489c">InsertVarValueEncoding</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, var_max);</div>
|
|
<div class="line"><a id="l01466" name="l01466"></a><span class="lineno"> 1466</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">GetLiteralRepresentative</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01467" name="l01467"></a><span class="lineno"> 1467</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == var_max ? <a class="code hl_variable" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a> : <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a>);</div>
|
|
<div class="line"><a id="l01468" name="l01468"></a><span class="lineno"> 1468</span> }</div>
|
|
<div class="line"><a id="l01469" name="l01469"></a><span class="lineno"> 1469</span> }</div>
|
|
<div class="line"><a id="l01470" name="l01470"></a><span class="lineno"> 1470</span> </div>
|
|
<div class="line"><a id="l01471" name="l01471"></a><span class="lineno"> 1471</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a> = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0967c575f9db0c79ed2e7930a0d6a091">NewBoolVar</a>();</div>
|
|
<div class="line"><a id="l01472" name="l01472"></a><span class="lineno"> 1472</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a69fea604a632b4b91ed950a0e622489c">InsertVarValueEncoding</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
|
|
<div class="line"><a id="l01473" name="l01473"></a><span class="lineno"> 1473</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">GetLiteralRepresentative</a>(<a class="code hl_variable" href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a>);</div>
|
|
<div class="line"><a id="l01474" name="l01474"></a><span class="lineno"> 1474</span>}</div>
|
|
<div class="line"><a id="l01475" name="l01475"></a><span class="lineno"> 1475</span> </div>
|
|
<div class="line"><a id="l01476" name="l01476"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a3bb6775f0bab3c01b35622e3ce68ab1d"> 1476</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a3bb6775f0bab3c01b35622e3ce68ab1d">PresolveContext::GetOrCreateAffineValueEncoding</a>(</div>
|
|
<div class="line"><a id="l01477" name="l01477"></a><span class="lineno"> 1477</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& expr, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01478" name="l01478"></a><span class="lineno"> 1478</span> <a class="code hl_define" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>(), 1);</div>
|
|
<div class="line"><a id="l01479" name="l01479"></a><span class="lineno"> 1479</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(expr)) {</div>
|
|
<div class="line"><a id="l01480" name="l01480"></a><span class="lineno"> 1480</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">FixedValue</a>(expr) == <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l01481" name="l01481"></a><span class="lineno"> 1481</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102">GetOrCreateConstantVar</a>(1);</div>
|
|
<div class="line"><a id="l01482" name="l01482"></a><span class="lineno"> 1482</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01483" name="l01483"></a><span class="lineno"> 1483</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102">GetOrCreateConstantVar</a>(0);</div>
|
|
<div class="line"><a id="l01484" name="l01484"></a><span class="lineno"> 1484</span> }</div>
|
|
<div class="line"><a id="l01485" name="l01485"></a><span class="lineno"> 1485</span> }</div>
|
|
<div class="line"><a id="l01486" name="l01486"></a><span class="lineno"> 1486</span> </div>
|
|
<div class="line"><a id="l01487" name="l01487"></a><span class="lineno"> 1487</span> <span class="keywordflow">if</span> ((<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>()) % expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0) != 0) {</div>
|
|
<div class="line"><a id="l01488" name="l01488"></a><span class="lineno"> 1488</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102">GetOrCreateConstantVar</a>(0);</div>
|
|
<div class="line"><a id="l01489" name="l01489"></a><span class="lineno"> 1489</span> }</div>
|
|
<div class="line"><a id="l01490" name="l01490"></a><span class="lineno"> 1490</span> </div>
|
|
<div class="line"><a id="l01491" name="l01491"></a><span class="lineno"> 1491</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a4f9423ff72ed20e477fff16e8887df96">GetOrCreateVarValueEncoding</a>(expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0),</div>
|
|
<div class="line"><a id="l01492" name="l01492"></a><span class="lineno"> 1492</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> - expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>()) / expr.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0));</div>
|
|
<div class="line"><a id="l01493" name="l01493"></a><span class="lineno"> 1493</span>}</div>
|
|
<div class="line"><a id="l01494" name="l01494"></a><span class="lineno"> 1494</span> </div>
|
|
<div class="line"><a id="l01495" name="l01495"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aed2a07aad05b4ad8e05cf5fe7b239a1a"> 1495</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aed2a07aad05b4ad8e05cf5fe7b239a1a">PresolveContext::ReadObjectiveFromProto</a>() {</div>
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|
<div class="line"><a id="l01496" name="l01496"></a><span class="lineno"> 1496</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html">CpObjectiveProto</a>& obj = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a2787b866382b560920d55ce5cf129920">objective</a>();</div>
|
|
<div class="line"><a id="l01497" name="l01497"></a><span class="lineno"> 1497</span> </div>
|
|
<div class="line"><a id="l01498" name="l01498"></a><span class="lineno"> 1498</span> objective_offset_ = obj.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>();</div>
|
|
<div class="line"><a id="l01499" name="l01499"></a><span class="lineno"> 1499</span> objective_scaling_factor_ = obj.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a9e32504c3f1bddb0f25f1386ecf7987b">scaling_factor</a>();</div>
|
|
<div class="line"><a id="l01500" name="l01500"></a><span class="lineno"> 1500</span> <span class="keywordflow">if</span> (objective_scaling_factor_ == 0.0) {</div>
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|
<div class="line"><a id="l01501" name="l01501"></a><span class="lineno"> 1501</span> objective_scaling_factor_ = 1.0;</div>
|
|
<div class="line"><a id="l01502" name="l01502"></a><span class="lineno"> 1502</span> }</div>
|
|
<div class="line"><a id="l01503" name="l01503"></a><span class="lineno"> 1503</span> </div>
|
|
<div class="line"><a id="l01504" name="l01504"></a><span class="lineno"> 1504</span> objective_integer_offset_ = obj.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#ae878135a2dba8f7b147560cf8b15c885">integer_offset</a>();</div>
|
|
<div class="line"><a id="l01505" name="l01505"></a><span class="lineno"> 1505</span> objective_integer_scaling_factor_ = obj.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#ab3242057dcb3b3006adcf4bfffeaddff">integer_scaling_factor</a>();</div>
|
|
<div class="line"><a id="l01506" name="l01506"></a><span class="lineno"> 1506</span> <span class="keywordflow">if</span> (objective_integer_scaling_factor_ == 0) {</div>
|
|
<div class="line"><a id="l01507" name="l01507"></a><span class="lineno"> 1507</span> objective_integer_scaling_factor_ = 1;</div>
|
|
<div class="line"><a id="l01508" name="l01508"></a><span class="lineno"> 1508</span> }</div>
|
|
<div class="line"><a id="l01509" name="l01509"></a><span class="lineno"> 1509</span> </div>
|
|
<div class="line"><a id="l01510" name="l01510"></a><span class="lineno"> 1510</span> <span class="keywordflow">if</span> (!obj.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a7d8011ca186f4ad850fcd0e2278d278c">domain</a>().empty()) {</div>
|
|
<div class="line"><a id="l01511" name="l01511"></a><span class="lineno"> 1511</span> <span class="comment">// We might relax this in CanonicalizeObjective() when we will compute</span></div>
|
|
<div class="line"><a id="l01512" name="l01512"></a><span class="lineno"> 1512</span> <span class="comment">// the possible objective domain from the domains of the variables.</span></div>
|
|
<div class="line"><a id="l01513" name="l01513"></a><span class="lineno"> 1513</span> objective_domain_is_constraining_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01514" name="l01514"></a><span class="lineno"> 1514</span> objective_domain_ = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(obj);</div>
|
|
<div class="line"><a id="l01515" name="l01515"></a><span class="lineno"> 1515</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01516" name="l01516"></a><span class="lineno"> 1516</span> objective_domain_is_constraining_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01517" name="l01517"></a><span class="lineno"> 1517</span> objective_domain_ = <a class="code hl_function" href="classoperations__research_1_1_domain.html#a03a595b90f43d02186eb660424c6ca1b">Domain::AllValues</a>();</div>
|
|
<div class="line"><a id="l01518" name="l01518"></a><span class="lineno"> 1518</span> }</div>
|
|
<div class="line"><a id="l01519" name="l01519"></a><span class="lineno"> 1519</span> </div>
|
|
<div class="line"><a id="l01520" name="l01520"></a><span class="lineno"> 1520</span> <span class="comment">// This is an upper bound of the higher magnitude that can be reach by</span></div>
|
|
<div class="line"><a id="l01521" name="l01521"></a><span class="lineno"> 1521</span> <span class="comment">// summing an objective partial sum. Because of the model validation, this</span></div>
|
|
<div class="line"><a id="l01522" name="l01522"></a><span class="lineno"> 1522</span> <span class="comment">// shouldn't overflow, and we make sure it stays this way.</span></div>
|
|
<div class="line"><a id="l01523" name="l01523"></a><span class="lineno"> 1523</span> objective_overflow_detection_ = 0;</div>
|
|
<div class="line"><a id="l01524" name="l01524"></a><span class="lineno"> 1524</span> </div>
|
|
<div class="line"><a id="l01525" name="l01525"></a><span class="lineno"> 1525</span> objective_map_.clear();</div>
|
|
<div class="line"><a id="l01526" name="l01526"></a><span class="lineno"> 1526</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < obj.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a76c521af56ab0e96eb06deeb679f46f7">vars_size</a>(); ++i) {</div>
|
|
<div class="line"><a id="l01527" name="l01527"></a><span class="lineno"> 1527</span> <span class="keyword">const</span> <span class="keywordtype">int</span> ref = obj.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i);</div>
|
|
<div class="line"><a id="l01528" name="l01528"></a><span class="lineno"> 1528</span> <span class="keyword">const</span> int64_t var_max_magnitude =</div>
|
|
<div class="line"><a id="l01529" name="l01529"></a><span class="lineno"> 1529</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(ref)), std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(ref)));</div>
|
|
<div class="line"><a id="l01530" name="l01530"></a><span class="lineno"> 1530</span> </div>
|
|
<div class="line"><a id="l01531" name="l01531"></a><span class="lineno"> 1531</span> <span class="comment">// Skipping var fixed to zero allow to avoid some overflow in situation</span></div>
|
|
<div class="line"><a id="l01532" name="l01532"></a><span class="lineno"> 1532</span> <span class="comment">// were we can deal with it.</span></div>
|
|
<div class="line"><a id="l01533" name="l01533"></a><span class="lineno"> 1533</span> <span class="keywordflow">if</span> (var_max_magnitude == 0) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l01534" name="l01534"></a><span class="lineno"> 1534</span> </div>
|
|
<div class="line"><a id="l01535" name="l01535"></a><span class="lineno"> 1535</span> <span class="keyword">const</span> int64_t coeff = obj.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(i);</div>
|
|
<div class="line"><a id="l01536" name="l01536"></a><span class="lineno"> 1536</span> objective_overflow_detection_ += var_max_magnitude * std::abs(coeff);</div>
|
|
<div class="line"><a id="l01537" name="l01537"></a><span class="lineno"> 1537</span> </div>
|
|
<div class="line"><a id="l01538" name="l01538"></a><span class="lineno"> 1538</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
|
|
<div class="line"><a id="l01539" name="l01539"></a><span class="lineno"> 1539</span> objective_map_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] += <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref) ? coeff : -coeff;</div>
|
|
<div class="line"><a id="l01540" name="l01540"></a><span class="lineno"> 1540</span> <span class="keywordflow">if</span> (objective_map_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>] == 0) {</div>
|
|
<div class="line"><a id="l01541" name="l01541"></a><span class="lineno"> 1541</span> objective_map_.erase(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01542" name="l01542"></a><span class="lineno"> 1542</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01543" name="l01543"></a><span class="lineno"> 1543</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01544" name="l01544"></a><span class="lineno"> 1544</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].insert(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01545" name="l01545"></a><span class="lineno"> 1545</span> }</div>
|
|
<div class="line"><a id="l01546" name="l01546"></a><span class="lineno"> 1546</span> }</div>
|
|
<div class="line"><a id="l01547" name="l01547"></a><span class="lineno"> 1547</span>}</div>
|
|
<div class="line"><a id="l01548" name="l01548"></a><span class="lineno"> 1548</span> </div>
|
|
<div class="line"><a id="l01549" name="l01549"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2ff0654486b944d24ec212846d9ea4c1"> 1549</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2ff0654486b944d24ec212846d9ea4c1">PresolveContext::CanonicalizeObjective</a>(<span class="keywordtype">bool</span> simplify_domain) {</div>
|
|
<div class="line"><a id="l01550" name="l01550"></a><span class="lineno"> 1550</span> int64_t offset_change = 0;</div>
|
|
<div class="line"><a id="l01551" name="l01551"></a><span class="lineno"> 1551</span> </div>
|
|
<div class="line"><a id="l01552" name="l01552"></a><span class="lineno"> 1552</span> <span class="comment">// We replace each entry by its affine representative.</span></div>
|
|
<div class="line"><a id="l01553" name="l01553"></a><span class="lineno"> 1553</span> <span class="comment">// Note that the non-deterministic loop is fine, but because we iterate</span></div>
|
|
<div class="line"><a id="l01554" name="l01554"></a><span class="lineno"> 1554</span> <span class="comment">// one the map while modifying it, it is safer to do a copy rather than to</span></div>
|
|
<div class="line"><a id="l01555" name="l01555"></a><span class="lineno"> 1555</span> <span class="comment">// try to handle that in one pass.</span></div>
|
|
<div class="line"><a id="l01556" name="l01556"></a><span class="lineno"> 1556</span> tmp_entries_.clear();</div>
|
|
<div class="line"><a id="l01557" name="l01557"></a><span class="lineno"> 1557</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : objective_map_) {</div>
|
|
<div class="line"><a id="l01558" name="l01558"></a><span class="lineno"> 1558</span> tmp_entries_.push_back(entry);</div>
|
|
<div class="line"><a id="l01559" name="l01559"></a><span class="lineno"> 1559</span> }</div>
|
|
<div class="line"><a id="l01560" name="l01560"></a><span class="lineno"> 1560</span> </div>
|
|
<div class="line"><a id="l01561" name="l01561"></a><span class="lineno"> 1561</span> <span class="comment">// TODO(user): This is a bit duplicated with the presolve linear code.</span></div>
|
|
<div class="line"><a id="l01562" name="l01562"></a><span class="lineno"> 1562</span> <span class="comment">// We also do not propagate back any domain restriction from the objective to</span></div>
|
|
<div class="line"><a id="l01563" name="l01563"></a><span class="lineno"> 1563</span> <span class="comment">// the variables if any.</span></div>
|
|
<div class="line"><a id="l01564" name="l01564"></a><span class="lineno"> 1564</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : tmp_entries_) {</div>
|
|
<div class="line"><a id="l01565" name="l01565"></a><span class="lineno"> 1565</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = entry.first;</div>
|
|
<div class="line"><a id="l01566" name="l01566"></a><span class="lineno"> 1566</span> <span class="keyword">const</span> <span class="keyword">auto</span> it = objective_map_.find(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01567" name="l01567"></a><span class="lineno"> 1567</span> <span class="keywordflow">if</span> (it == objective_map_.end()) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l01568" name="l01568"></a><span class="lineno"> 1568</span> <span class="keyword">const</span> int64_t coeff = it->second;</div>
|
|
<div class="line"><a id="l01569" name="l01569"></a><span class="lineno"> 1569</span> </div>
|
|
<div class="line"><a id="l01570" name="l01570"></a><span class="lineno"> 1570</span> <span class="comment">// If a variable only appear in objective, we can fix it!</span></div>
|
|
<div class="line"><a id="l01571" name="l01571"></a><span class="lineno"> 1571</span> <span class="comment">// Note that we don't care if it was in affine relation, because if none</span></div>
|
|
<div class="line"><a id="l01572" name="l01572"></a><span class="lineno"> 1572</span> <span class="comment">// of the relations are left, then we can still fix it.</span></div>
|
|
<div class="line"><a id="l01573" name="l01573"></a><span class="lineno"> 1573</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#ab7b13b808e3dea6fc1e4006f7134e9f9">keep_all_feasible_solutions</a> && !objective_domain_is_constraining_ &&</div>
|
|
<div class="line"><a id="l01574" name="l01574"></a><span class="lineno"> 1574</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f">ConstraintVariableGraphIsUpToDate</a>() &&</div>
|
|
<div class="line"><a id="l01575" name="l01575"></a><span class="lineno"> 1575</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].size() == 1 &&</div>
|
|
<div class="line"><a id="l01576" name="l01576"></a><span class="lineno"> 1576</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].contains(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>)) {</div>
|
|
<div class="line"><a id="l01577" name="l01577"></a><span class="lineno"> 1577</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">UpdateRuleStats</a>(<span class="stringliteral">"objective: variable not used elsewhere"</span>);</div>
|
|
<div class="line"><a id="l01578" name="l01578"></a><span class="lineno"> 1578</span> <span class="keywordflow">if</span> (coeff > 0) {</div>
|
|
<div class="line"><a id="l01579" name="l01579"></a><span class="lineno"> 1579</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)))) {</div>
|
|
<div class="line"><a id="l01580" name="l01580"></a><span class="lineno"> 1580</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01581" name="l01581"></a><span class="lineno"> 1581</span> }</div>
|
|
<div class="line"><a id="l01582" name="l01582"></a><span class="lineno"> 1582</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01583" name="l01583"></a><span class="lineno"> 1583</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">IntersectDomainWith</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)))) {</div>
|
|
<div class="line"><a id="l01584" name="l01584"></a><span class="lineno"> 1584</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01585" name="l01585"></a><span class="lineno"> 1585</span> }</div>
|
|
<div class="line"><a id="l01586" name="l01586"></a><span class="lineno"> 1586</span> }</div>
|
|
<div class="line"><a id="l01587" name="l01587"></a><span class="lineno"> 1587</span> }</div>
|
|
<div class="line"><a id="l01588" name="l01588"></a><span class="lineno"> 1588</span> </div>
|
|
<div class="line"><a id="l01589" name="l01589"></a><span class="lineno"> 1589</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a id="l01590" name="l01590"></a><span class="lineno"> 1590</span> offset_change += coeff * <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01591" name="l01591"></a><span class="lineno"> 1591</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01592" name="l01592"></a><span class="lineno"> 1592</span> objective_map_.erase(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01593" name="l01593"></a><span class="lineno"> 1593</span> <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l01594" name="l01594"></a><span class="lineno"> 1594</span> }</div>
|
|
<div class="line"><a id="l01595" name="l01595"></a><span class="lineno"> 1595</span> </div>
|
|
<div class="line"><a id="l01596" name="l01596"></a><span class="lineno"> 1596</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1_affine_relation_1_1_relation.html">AffineRelation::Relation</a> r = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">GetAffineRelation</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01597" name="l01597"></a><span class="lineno"> 1597</span> <span class="keywordflow">if</span> (r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a> == <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l01598" name="l01598"></a><span class="lineno"> 1598</span> </div>
|
|
<div class="line"><a id="l01599" name="l01599"></a><span class="lineno"> 1599</span> objective_map_.erase(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01600" name="l01600"></a><span class="lineno"> 1600</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01601" name="l01601"></a><span class="lineno"> 1601</span> </div>
|
|
<div class="line"><a id="l01602" name="l01602"></a><span class="lineno"> 1602</span> <span class="comment">// Do the substitution.</span></div>
|
|
<div class="line"><a id="l01603" name="l01603"></a><span class="lineno"> 1603</span> offset_change += coeff * r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">offset</a>;</div>
|
|
<div class="line"><a id="l01604" name="l01604"></a><span class="lineno"> 1604</span> <span class="keyword">const</span> int64_t new_coeff = objective_map_[r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>] +=</div>
|
|
<div class="line"><a id="l01605" name="l01605"></a><span class="lineno"> 1605</span> coeff * r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">coeff</a>;</div>
|
|
<div class="line"><a id="l01606" name="l01606"></a><span class="lineno"> 1606</span> </div>
|
|
<div class="line"><a id="l01607" name="l01607"></a><span class="lineno"> 1607</span> <span class="comment">// Process new term.</span></div>
|
|
<div class="line"><a id="l01608" name="l01608"></a><span class="lineno"> 1608</span> <span class="keywordflow">if</span> (new_coeff == 0) {</div>
|
|
<div class="line"><a id="l01609" name="l01609"></a><span class="lineno"> 1609</span> objective_map_.erase(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>);</div>
|
|
<div class="line"><a id="l01610" name="l01610"></a><span class="lineno"> 1610</span> var_to_constraints_[r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01611" name="l01611"></a><span class="lineno"> 1611</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01612" name="l01612"></a><span class="lineno"> 1612</span> var_to_constraints_[r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>].insert(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01613" name="l01613"></a><span class="lineno"> 1613</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>)) {</div>
|
|
<div class="line"><a id="l01614" name="l01614"></a><span class="lineno"> 1614</span> offset_change += new_coeff * <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>);</div>
|
|
<div class="line"><a id="l01615" name="l01615"></a><span class="lineno"> 1615</span> var_to_constraints_[r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01616" name="l01616"></a><span class="lineno"> 1616</span> objective_map_.erase(r.<a class="code hl_variable" href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">representative</a>);</div>
|
|
<div class="line"><a id="l01617" name="l01617"></a><span class="lineno"> 1617</span> }</div>
|
|
<div class="line"><a id="l01618" name="l01618"></a><span class="lineno"> 1618</span> }</div>
|
|
<div class="line"><a id="l01619" name="l01619"></a><span class="lineno"> 1619</span> }</div>
|
|
<div class="line"><a id="l01620" name="l01620"></a><span class="lineno"> 1620</span> </div>
|
|
<div class="line"><a id="l01621" name="l01621"></a><span class="lineno"> 1621</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a> implied_domain(0);</div>
|
|
<div class="line"><a id="l01622" name="l01622"></a><span class="lineno"> 1622</span> int64_t gcd(0);</div>
|
|
<div class="line"><a id="l01623" name="l01623"></a><span class="lineno"> 1623</span> </div>
|
|
<div class="line"><a id="l01624" name="l01624"></a><span class="lineno"> 1624</span> <span class="comment">// We need to sort the entries to be deterministic.</span></div>
|
|
<div class="line"><a id="l01625" name="l01625"></a><span class="lineno"> 1625</span> tmp_entries_.clear();</div>
|
|
<div class="line"><a id="l01626" name="l01626"></a><span class="lineno"> 1626</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : objective_map_) {</div>
|
|
<div class="line"><a id="l01627" name="l01627"></a><span class="lineno"> 1627</span> tmp_entries_.push_back(entry);</div>
|
|
<div class="line"><a id="l01628" name="l01628"></a><span class="lineno"> 1628</span> }</div>
|
|
<div class="line"><a id="l01629" name="l01629"></a><span class="lineno"> 1629</span> std::sort(tmp_entries_.begin(), tmp_entries_.end());</div>
|
|
<div class="line"><a id="l01630" name="l01630"></a><span class="lineno"> 1630</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : tmp_entries_) {</div>
|
|
<div class="line"><a id="l01631" name="l01631"></a><span class="lineno"> 1631</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = entry.first;</div>
|
|
<div class="line"><a id="l01632" name="l01632"></a><span class="lineno"> 1632</span> <span class="keyword">const</span> int64_t coeff = entry.second;</div>
|
|
<div class="line"><a id="l01633" name="l01633"></a><span class="lineno"> 1633</span> gcd = <a class="code hl_function" href="classoperations__research_1_1_math_util.html#ae94db7b2fa1d8e1b3c1dc6c683191609">MathUtil::GCD64</a>(gcd, std::abs(coeff));</div>
|
|
<div class="line"><a id="l01634" name="l01634"></a><span class="lineno"> 1634</span> implied_domain =</div>
|
|
<div class="line"><a id="l01635" name="l01635"></a><span class="lineno"> 1635</span> implied_domain.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>).MultiplicationBy(coeff))</div>
|
|
<div class="line"><a id="l01636" name="l01636"></a><span class="lineno"> 1636</span> .<a class="code hl_function" href="classoperations__research_1_1_domain.html#abd2c59687cc53dda333d0f18c457389b">RelaxIfTooComplex</a>();</div>
|
|
<div class="line"><a id="l01637" name="l01637"></a><span class="lineno"> 1637</span> }</div>
|
|
<div class="line"><a id="l01638" name="l01638"></a><span class="lineno"> 1638</span> </div>
|
|
<div class="line"><a id="l01639" name="l01639"></a><span class="lineno"> 1639</span> <span class="comment">// This is the new domain.</span></div>
|
|
<div class="line"><a id="l01640" name="l01640"></a><span class="lineno"> 1640</span> <span class="comment">// Note that the domain never include the offset.</span></div>
|
|
<div class="line"><a id="l01641" name="l01641"></a><span class="lineno"> 1641</span> objective_domain_ = objective_domain_.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-offset_change))</div>
|
|
<div class="line"><a id="l01642" name="l01642"></a><span class="lineno"> 1642</span> .<a class="code hl_function" href="classoperations__research_1_1_domain.html#a835826c4c5129b74553042a357a721ff">IntersectionWith</a>(implied_domain);</div>
|
|
<div class="line"><a id="l01643" name="l01643"></a><span class="lineno"> 1643</span> </div>
|
|
<div class="line"><a id="l01644" name="l01644"></a><span class="lineno"> 1644</span> <span class="comment">// Depending on the use case, we cannot do that.</span></div>
|
|
<div class="line"><a id="l01645" name="l01645"></a><span class="lineno"> 1645</span> <span class="keywordflow">if</span> (simplify_domain) {</div>
|
|
<div class="line"><a id="l01646" name="l01646"></a><span class="lineno"> 1646</span> objective_domain_ =</div>
|
|
<div class="line"><a id="l01647" name="l01647"></a><span class="lineno"> 1647</span> objective_domain_.<a class="code hl_function" href="classoperations__research_1_1_domain.html#aee800549042643f64022ca6a1e554fa4">SimplifyUsingImpliedDomain</a>(implied_domain);</div>
|
|
<div class="line"><a id="l01648" name="l01648"></a><span class="lineno"> 1648</span> }</div>
|
|
<div class="line"><a id="l01649" name="l01649"></a><span class="lineno"> 1649</span> </div>
|
|
<div class="line"><a id="l01650" name="l01650"></a><span class="lineno"> 1650</span> <span class="comment">// Update the offset.</span></div>
|
|
<div class="line"><a id="l01651" name="l01651"></a><span class="lineno"> 1651</span> objective_offset_ += offset_change;</div>
|
|
<div class="line"><a id="l01652" name="l01652"></a><span class="lineno"> 1652</span> objective_integer_offset_ +=</div>
|
|
<div class="line"><a id="l01653" name="l01653"></a><span class="lineno"> 1653</span> offset_change * objective_integer_scaling_factor_;</div>
|
|
<div class="line"><a id="l01654" name="l01654"></a><span class="lineno"> 1654</span> </div>
|
|
<div class="line"><a id="l01655" name="l01655"></a><span class="lineno"> 1655</span> <span class="comment">// Maybe divide by GCD.</span></div>
|
|
<div class="line"><a id="l01656" name="l01656"></a><span class="lineno"> 1656</span> <span class="keywordflow">if</span> (gcd > 1) {</div>
|
|
<div class="line"><a id="l01657" name="l01657"></a><span class="lineno"> 1657</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>& entry : objective_map_) {</div>
|
|
<div class="line"><a id="l01658" name="l01658"></a><span class="lineno"> 1658</span> entry.second /= gcd;</div>
|
|
<div class="line"><a id="l01659" name="l01659"></a><span class="lineno"> 1659</span> }</div>
|
|
<div class="line"><a id="l01660" name="l01660"></a><span class="lineno"> 1660</span> objective_domain_ = objective_domain_.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a1341b29865c5167a64de30c797672e4c">InverseMultiplicationBy</a>(gcd);</div>
|
|
<div class="line"><a id="l01661" name="l01661"></a><span class="lineno"> 1661</span> objective_offset_ /= <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(gcd);</div>
|
|
<div class="line"><a id="l01662" name="l01662"></a><span class="lineno"> 1662</span> objective_scaling_factor_ *= <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(gcd);</div>
|
|
<div class="line"><a id="l01663" name="l01663"></a><span class="lineno"> 1663</span> objective_integer_scaling_factor_ *= gcd;</div>
|
|
<div class="line"><a id="l01664" name="l01664"></a><span class="lineno"> 1664</span> }</div>
|
|
<div class="line"><a id="l01665" name="l01665"></a><span class="lineno"> 1665</span> </div>
|
|
<div class="line"><a id="l01666" name="l01666"></a><span class="lineno"> 1666</span> <span class="keywordflow">if</span> (objective_domain_.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">IsEmpty</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01667" name="l01667"></a><span class="lineno"> 1667</span> </div>
|
|
<div class="line"><a id="l01668" name="l01668"></a><span class="lineno"> 1668</span> <span class="comment">// Detect if the objective domain do not limit the "optimal" objective value.</span></div>
|
|
<div class="line"><a id="l01669" name="l01669"></a><span class="lineno"> 1669</span> <span class="comment">// If this is true, then we can apply any reduction that reduce the objective</span></div>
|
|
<div class="line"><a id="l01670" name="l01670"></a><span class="lineno"> 1670</span> <span class="comment">// value without any issues.</span></div>
|
|
<div class="line"><a id="l01671" name="l01671"></a><span class="lineno"> 1671</span> objective_domain_is_constraining_ =</div>
|
|
<div class="line"><a id="l01672" name="l01672"></a><span class="lineno"> 1672</span> !implied_domain</div>
|
|
<div class="line"><a id="l01673" name="l01673"></a><span class="lineno"> 1673</span> .<a class="code hl_function" href="classoperations__research_1_1_domain.html#a835826c4c5129b74553042a357a721ff">IntersectionWith</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int64_t>::min</a>(),</div>
|
|
<div class="line"><a id="l01674" name="l01674"></a><span class="lineno"> 1674</span> objective_domain_.<a class="code hl_function" href="classoperations__research_1_1_domain.html#aa74ea8cd1b0767659f704b482d07c103">Max</a>()))</div>
|
|
<div class="line"><a id="l01675" name="l01675"></a><span class="lineno"> 1675</span> .<a class="code hl_function" href="classoperations__research_1_1_domain.html#a1f922def1b57974333f228818cd04e68">IsIncludedIn</a>(objective_domain_);</div>
|
|
<div class="line"><a id="l01676" name="l01676"></a><span class="lineno"> 1676</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01677" name="l01677"></a><span class="lineno"> 1677</span>}</div>
|
|
<div class="line"><a id="l01678" name="l01678"></a><span class="lineno"> 1678</span> </div>
|
|
<div class="line"><a id="l01679" name="l01679"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaed725b098e5d931862a74b496564e37"> 1679</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#aaed725b098e5d931862a74b496564e37">PresolveContext::RemoveVariableFromObjective</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a id="l01680" name="l01680"></a><span class="lineno"> 1680</span> objective_map_.erase(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01681" name="l01681"></a><span class="lineno"> 1681</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01682" name="l01682"></a><span class="lineno"> 1682</span>}</div>
|
|
<div class="line"><a id="l01683" name="l01683"></a><span class="lineno"> 1683</span> </div>
|
|
<div class="line"><a id="l01684" name="l01684"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a1e65dc236d5729de4938834d779d9f6f"> 1684</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a1e65dc236d5729de4938834d779d9f6f">PresolveContext::AddToObjective</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>, int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l01685" name="l01685"></a><span class="lineno"> 1685</span> int64_t& map_ref = objective_map_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
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<div class="line"><a id="l01686" name="l01686"></a><span class="lineno"> 1686</span> map_ref += <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
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<div class="line"><a id="l01687" name="l01687"></a><span class="lineno"> 1687</span> <span class="keywordflow">if</span> (map_ref == 0) {</div>
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<div class="line"><a id="l01688" name="l01688"></a><span class="lineno"> 1688</span> objective_map_.erase(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l01689" name="l01689"></a><span class="lineno"> 1689</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
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<div class="line"><a id="l01690" name="l01690"></a><span class="lineno"> 1690</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01691" name="l01691"></a><span class="lineno"> 1691</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].insert(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
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<div class="line"><a id="l01692" name="l01692"></a><span class="lineno"> 1692</span> }</div>
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<div class="line"><a id="l01693" name="l01693"></a><span class="lineno"> 1693</span>}</div>
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<div class="line"><a id="l01694" name="l01694"></a><span class="lineno"> 1694</span> </div>
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<div class="line"><a id="l01695" name="l01695"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a02a3444590b38a8e99aba5eb8a1ca9d9"> 1695</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a02a3444590b38a8e99aba5eb8a1ca9d9">PresolveContext::AddToObjectiveOffset</a>(int64_t <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
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<div class="line"><a id="l01696" name="l01696"></a><span class="lineno"> 1696</span> <span class="comment">// Tricky: The objective domain is without the offset, so we need to shift it.</span></div>
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<div class="line"><a id="l01697" name="l01697"></a><span class="lineno"> 1697</span> objective_offset_ += <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l01698" name="l01698"></a><span class="lineno"> 1698</span> objective_integer_offset_ += <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> * objective_integer_scaling_factor_;</div>
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<div class="line"><a id="l01699" name="l01699"></a><span class="lineno"> 1699</span> objective_domain_ = objective_domain_.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>));</div>
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<div class="line"><a id="l01700" name="l01700"></a><span class="lineno"> 1700</span>}</div>
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<div class="line"><a id="l01701" name="l01701"></a><span class="lineno"> 1701</span> </div>
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<div class="line"><a id="l01702" name="l01702"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a4bf47c6b5724e9a3a7df78486f9bdc41"> 1702</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a4bf47c6b5724e9a3a7df78486f9bdc41">PresolveContext::SubstituteVariableInObjective</a>(</div>
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<div class="line"><a id="l01703" name="l01703"></a><span class="lineno"> 1703</span> <span class="keywordtype">int</span> var_in_equality, int64_t coeff_in_equality,</div>
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<div class="line"><a id="l01704" name="l01704"></a><span class="lineno"> 1704</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>& equality, std::vector<int>* new_vars_in_objective) {</div>
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<div class="line"><a id="l01705" name="l01705"></a><span class="lineno"> 1705</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(equality.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a874993db797768f3f6f3124dd281bf5b">enforcement_literal</a>().empty());</div>
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<div class="line"><a id="l01706" name="l01706"></a><span class="lineno"> 1706</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(var_in_equality));</div>
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|
<div class="line"><a id="l01707" name="l01707"></a><span class="lineno"> 1707</span> </div>
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<div class="line"><a id="l01708" name="l01708"></a><span class="lineno"> 1708</span> <span class="keywordflow">if</span> (new_vars_in_objective != <span class="keyword">nullptr</span>) new_vars_in_objective->clear();</div>
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|
<div class="line"><a id="l01709" name="l01709"></a><span class="lineno"> 1709</span> </div>
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|
<div class="line"><a id="l01710" name="l01710"></a><span class="lineno"> 1710</span> <span class="comment">// We can only "easily" substitute if the objective coefficient is a multiple</span></div>
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|
<div class="line"><a id="l01711" name="l01711"></a><span class="lineno"> 1711</span> <span class="comment">// of the one in the constraint.</span></div>
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|
<div class="line"><a id="l01712" name="l01712"></a><span class="lineno"> 1712</span> <span class="keyword">const</span> int64_t coeff_in_objective =</div>
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|
<div class="line"><a id="l01713" name="l01713"></a><span class="lineno"> 1713</span> <a class="code hl_function" href="namespacegtl.html#a73f41ac11336b94768fdd41594153d59">gtl::FindOrDie</a>(objective_map_, var_in_equality);</div>
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|
<div class="line"><a id="l01714" name="l01714"></a><span class="lineno"> 1714</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(coeff_in_equality, 0);</div>
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|
<div class="line"><a id="l01715" name="l01715"></a><span class="lineno"> 1715</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(coeff_in_objective % coeff_in_equality, 0);</div>
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|
<div class="line"><a id="l01716" name="l01716"></a><span class="lineno"> 1716</span> </div>
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|
<div class="line"><a id="l01717" name="l01717"></a><span class="lineno"> 1717</span> <span class="keyword">const</span> int64_t multiplier = coeff_in_objective / coeff_in_equality;</div>
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|
<div class="line"><a id="l01718" name="l01718"></a><span class="lineno"> 1718</span> </div>
|
|
<div class="line"><a id="l01719" name="l01719"></a><span class="lineno"> 1719</span> <span class="comment">// Abort if the new objective seems to violate our overflow preconditions.</span></div>
|
|
<div class="line"><a id="l01720" name="l01720"></a><span class="lineno"> 1720</span> int64_t change = 0;</div>
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|
<div class="line"><a id="l01721" name="l01721"></a><span class="lineno"> 1721</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < equality.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a6d1f941c5f8b326673ffd58eb9b1f0ab">linear</a>().vars().size(); ++i) {</div>
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|
<div class="line"><a id="l01722" name="l01722"></a><span class="lineno"> 1722</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = equality.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a6d1f941c5f8b326673ffd58eb9b1f0ab">linear</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i);</div>
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|
<div class="line"><a id="l01723" name="l01723"></a><span class="lineno"> 1723</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) == var_in_equality) <span class="keywordflow">continue</span>;</div>
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|
<div class="line"><a id="l01724" name="l01724"></a><span class="lineno"> 1724</span> int64_t coeff = equality.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a6d1f941c5f8b326673ffd58eb9b1f0ab">linear</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(i);</div>
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|
<div class="line"><a id="l01725" name="l01725"></a><span class="lineno"> 1725</span> change +=</div>
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|
<div class="line"><a id="l01726" name="l01726"></a><span class="lineno"> 1726</span> std::abs(coeff) * <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)), std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)));</div>
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|
<div class="line"><a id="l01727" name="l01727"></a><span class="lineno"> 1727</span> }</div>
|
|
<div class="line"><a id="l01728" name="l01728"></a><span class="lineno"> 1728</span> <span class="keyword">const</span> int64_t new_value =</div>
|
|
<div class="line"><a id="l01729" name="l01729"></a><span class="lineno"> 1729</span> <a class="code hl_function" href="namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291">CapAdd</a>(<a class="code hl_function" href="namespaceoperations__research.html#aa64bf49d041052c7cb3f40f7496d7534">CapProd</a>(std::abs(multiplier), change),</div>
|
|
<div class="line"><a id="l01730" name="l01730"></a><span class="lineno"> 1730</span> objective_overflow_detection_ -</div>
|
|
<div class="line"><a id="l01731" name="l01731"></a><span class="lineno"> 1731</span> std::abs(coeff_in_equality) *</div>
|
|
<div class="line"><a id="l01732" name="l01732"></a><span class="lineno"> 1732</span> <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">MinOf</a>(var_in_equality)),</div>
|
|
<div class="line"><a id="l01733" name="l01733"></a><span class="lineno"> 1733</span> std::abs(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">MaxOf</a>(var_in_equality))));</div>
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|
<div class="line"><a id="l01734" name="l01734"></a><span class="lineno"> 1734</span> <span class="keywordflow">if</span> (new_value == <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01735" name="l01735"></a><span class="lineno"> 1735</span> objective_overflow_detection_ = new_value;</div>
|
|
<div class="line"><a id="l01736" name="l01736"></a><span class="lineno"> 1736</span> </div>
|
|
<div class="line"><a id="l01737" name="l01737"></a><span class="lineno"> 1737</span> <span class="comment">// Compute the objective offset change.</span></div>
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|
<div class="line"><a id="l01738" name="l01738"></a><span class="lineno"> 1738</span> <a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a> offset = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab1240060466ba48a36a4b36379bce26a">ReadDomainFromProto</a>(equality.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a6d1f941c5f8b326673ffd58eb9b1f0ab">linear</a>());</div>
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|
<div class="line"><a id="l01739" name="l01739"></a><span class="lineno"> 1739</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(offset.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8cf21a67f7d81a800ff912239bb2db64">Min</a>(), offset.<a class="code hl_function" href="classoperations__research_1_1_domain.html#aa74ea8cd1b0767659f704b482d07c103">Max</a>());</div>
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|
<div class="line"><a id="l01740" name="l01740"></a><span class="lineno"> 1740</span> <span class="keywordtype">bool</span> exact = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01741" name="l01741"></a><span class="lineno"> 1741</span> offset = offset.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a63a708c626b59b4504ddb879496c894e">MultiplicationBy</a>(multiplier, &exact);</div>
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|
<div class="line"><a id="l01742" name="l01742"></a><span class="lineno"> 1742</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(exact);</div>
|
|
<div class="line"><a id="l01743" name="l01743"></a><span class="lineno"> 1743</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!offset.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">IsEmpty</a>());</div>
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|
<div class="line"><a id="l01744" name="l01744"></a><span class="lineno"> 1744</span> </div>
|
|
<div class="line"><a id="l01745" name="l01745"></a><span class="lineno"> 1745</span> <span class="comment">// We also need to make sure the integer_offset will not overflow.</span></div>
|
|
<div class="line"><a id="l01746" name="l01746"></a><span class="lineno"> 1746</span> {</div>
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|
<div class="line"><a id="l01747" name="l01747"></a><span class="lineno"> 1747</span> int64_t temp = <a class="code hl_function" href="namespaceoperations__research.html#aa64bf49d041052c7cb3f40f7496d7534">CapProd</a>(offset.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8cf21a67f7d81a800ff912239bb2db64">Min</a>(), objective_integer_scaling_factor_);</div>
|
|
<div class="line"><a id="l01748" name="l01748"></a><span class="lineno"> 1748</span> <span class="keywordflow">if</span> (temp == <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l01749" name="l01749"></a><span class="lineno"> 1749</span> <span class="keywordflow">if</span> (temp == <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int64_t>::min</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01750" name="l01750"></a><span class="lineno"> 1750</span> temp = <a class="code hl_function" href="namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291">CapAdd</a>(temp, objective_integer_offset_);</div>
|
|
<div class="line"><a id="l01751" name="l01751"></a><span class="lineno"> 1751</span> <span class="keywordflow">if</span> (temp == <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a id="l01752" name="l01752"></a><span class="lineno"> 1752</span> <span class="keywordflow">if</span> (temp == <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int64_t>::min</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01753" name="l01753"></a><span class="lineno"> 1753</span> }</div>
|
|
<div class="line"><a id="l01754" name="l01754"></a><span class="lineno"> 1754</span> </div>
|
|
<div class="line"><a id="l01755" name="l01755"></a><span class="lineno"> 1755</span> <span class="comment">// Perform the substitution.</span></div>
|
|
<div class="line"><a id="l01756" name="l01756"></a><span class="lineno"> 1756</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < equality.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a6d1f941c5f8b326673ffd58eb9b1f0ab">linear</a>().vars().size(); ++i) {</div>
|
|
<div class="line"><a id="l01757" name="l01757"></a><span class="lineno"> 1757</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = equality.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a6d1f941c5f8b326673ffd58eb9b1f0ab">linear</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(i);</div>
|
|
<div class="line"><a id="l01758" name="l01758"></a><span class="lineno"> 1758</span> int64_t coeff = equality.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#a6d1f941c5f8b326673ffd58eb9b1f0ab">linear</a>().<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(i);</div>
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|
<div class="line"><a id="l01759" name="l01759"></a><span class="lineno"> 1759</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>)) {</div>
|
|
<div class="line"><a id="l01760" name="l01760"></a><span class="lineno"> 1760</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01761" name="l01761"></a><span class="lineno"> 1761</span> coeff = -coeff;</div>
|
|
<div class="line"><a id="l01762" name="l01762"></a><span class="lineno"> 1762</span> }</div>
|
|
<div class="line"><a id="l01763" name="l01763"></a><span class="lineno"> 1763</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> == var_in_equality) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a id="l01764" name="l01764"></a><span class="lineno"> 1764</span> </div>
|
|
<div class="line"><a id="l01765" name="l01765"></a><span class="lineno"> 1765</span> int64_t& map_ref = objective_map_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
|
|
<div class="line"><a id="l01766" name="l01766"></a><span class="lineno"> 1766</span> <span class="keywordflow">if</span> (map_ref == 0 && new_vars_in_objective != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l01767" name="l01767"></a><span class="lineno"> 1767</span> new_vars_in_objective->push_back(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01768" name="l01768"></a><span class="lineno"> 1768</span> }</div>
|
|
<div class="line"><a id="l01769" name="l01769"></a><span class="lineno"> 1769</span> map_ref -= coeff * multiplier;</div>
|
|
<div class="line"><a id="l01770" name="l01770"></a><span class="lineno"> 1770</span> </div>
|
|
<div class="line"><a id="l01771" name="l01771"></a><span class="lineno"> 1771</span> <span class="keywordflow">if</span> (map_ref == 0) {</div>
|
|
<div class="line"><a id="l01772" name="l01772"></a><span class="lineno"> 1772</span> objective_map_.erase(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01773" name="l01773"></a><span class="lineno"> 1773</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01774" name="l01774"></a><span class="lineno"> 1774</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01775" name="l01775"></a><span class="lineno"> 1775</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].insert(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01776" name="l01776"></a><span class="lineno"> 1776</span> }</div>
|
|
<div class="line"><a id="l01777" name="l01777"></a><span class="lineno"> 1777</span> }</div>
|
|
<div class="line"><a id="l01778" name="l01778"></a><span class="lineno"> 1778</span> </div>
|
|
<div class="line"><a id="l01779" name="l01779"></a><span class="lineno"> 1779</span> objective_map_.erase(var_in_equality);</div>
|
|
<div class="line"><a id="l01780" name="l01780"></a><span class="lineno"> 1780</span> var_to_constraints_[var_in_equality].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01781" name="l01781"></a><span class="lineno"> 1781</span> </div>
|
|
<div class="line"><a id="l01782" name="l01782"></a><span class="lineno"> 1782</span> <span class="comment">// Tricky: The objective domain is without the offset, so we need to shift it.</span></div>
|
|
<div class="line"><a id="l01783" name="l01783"></a><span class="lineno"> 1783</span> objective_offset_ += <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(offset.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8cf21a67f7d81a800ff912239bb2db64">Min</a>());</div>
|
|
<div class="line"><a id="l01784" name="l01784"></a><span class="lineno"> 1784</span> objective_integer_offset_ += offset.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8cf21a67f7d81a800ff912239bb2db64">Min</a>() * objective_integer_scaling_factor_;</div>
|
|
<div class="line"><a id="l01785" name="l01785"></a><span class="lineno"> 1785</span> objective_domain_ = objective_domain_.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-offset.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8cf21a67f7d81a800ff912239bb2db64">Min</a>()));</div>
|
|
<div class="line"><a id="l01786" name="l01786"></a><span class="lineno"> 1786</span> </div>
|
|
<div class="line"><a id="l01787" name="l01787"></a><span class="lineno"> 1787</span> <span class="comment">// Because we can assume that the constraint we used was constraining</span></div>
|
|
<div class="line"><a id="l01788" name="l01788"></a><span class="lineno"> 1788</span> <span class="comment">// (otherwise it would have been removed), the objective domain should be now</span></div>
|
|
<div class="line"><a id="l01789" name="l01789"></a><span class="lineno"> 1789</span> <span class="comment">// constraining.</span></div>
|
|
<div class="line"><a id="l01790" name="l01790"></a><span class="lineno"> 1790</span> objective_domain_is_constraining_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01791" name="l01791"></a><span class="lineno"> 1791</span> </div>
|
|
<div class="line"><a id="l01792" name="l01792"></a><span class="lineno"> 1792</span> <span class="keywordflow">if</span> (objective_domain_.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a8e12342fc420701fbffd97025421575a">IsEmpty</a>()) {</div>
|
|
<div class="line"><a id="l01793" name="l01793"></a><span class="lineno"> 1793</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0">NotifyThatModelIsUnsat</a>();</div>
|
|
<div class="line"><a id="l01794" name="l01794"></a><span class="lineno"> 1794</span> }</div>
|
|
<div class="line"><a id="l01795" name="l01795"></a><span class="lineno"> 1795</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01796" name="l01796"></a><span class="lineno"> 1796</span>}</div>
|
|
<div class="line"><a id="l01797" name="l01797"></a><span class="lineno"> 1797</span> </div>
|
|
<div class="line"><a id="l01798" name="l01798"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae42cae46d8792621471dd137bf9bb3cc"> 1798</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae42cae46d8792621471dd137bf9bb3cc">PresolveContext::ExploitExactlyOneInObjective</a>(</div>
|
|
<div class="line"><a id="l01799" name="l01799"></a><span class="lineno"> 1799</span> absl::Span<const int> exactly_one) {</div>
|
|
<div class="line"><a id="l01800" name="l01800"></a><span class="lineno"> 1800</span> <span class="keywordflow">if</span> (objective_map_.empty()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01801" name="l01801"></a><span class="lineno"> 1801</span> </div>
|
|
<div class="line"><a id="l01802" name="l01802"></a><span class="lineno"> 1802</span> int64_t min_coeff = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>();</div>
|
|
<div class="line"><a id="l01803" name="l01803"></a><span class="lineno"> 1803</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : exactly_one) {</div>
|
|
<div class="line"><a id="l01804" name="l01804"></a><span class="lineno"> 1804</span> <span class="keyword">const</span> <span class="keyword">auto</span> it = objective_map_.find(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref));</div>
|
|
<div class="line"><a id="l01805" name="l01805"></a><span class="lineno"> 1805</span> <span class="keywordflow">if</span> (it == objective_map_.end()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l01806" name="l01806"></a><span class="lineno"> 1806</span> </div>
|
|
<div class="line"><a id="l01807" name="l01807"></a><span class="lineno"> 1807</span> <span class="keyword">const</span> int64_t coeff = it->second;</div>
|
|
<div class="line"><a id="l01808" name="l01808"></a><span class="lineno"> 1808</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
|
|
<div class="line"><a id="l01809" name="l01809"></a><span class="lineno"> 1809</span> min_coeff = <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(min_coeff, coeff);</div>
|
|
<div class="line"><a id="l01810" name="l01810"></a><span class="lineno"> 1810</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01811" name="l01811"></a><span class="lineno"> 1811</span> <span class="comment">// Objective = coeff * var = coeff * (1 - ref);</span></div>
|
|
<div class="line"><a id="l01812" name="l01812"></a><span class="lineno"> 1812</span> min_coeff = <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(min_coeff, -coeff);</div>
|
|
<div class="line"><a id="l01813" name="l01813"></a><span class="lineno"> 1813</span> }</div>
|
|
<div class="line"><a id="l01814" name="l01814"></a><span class="lineno"> 1814</span> }</div>
|
|
<div class="line"><a id="l01815" name="l01815"></a><span class="lineno"> 1815</span> </div>
|
|
<div class="line"><a id="l01816" name="l01816"></a><span class="lineno"> 1816</span> int64_t offset = min_coeff;</div>
|
|
<div class="line"><a id="l01817" name="l01817"></a><span class="lineno"> 1817</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> ref : exactly_one) {</div>
|
|
<div class="line"><a id="l01818" name="l01818"></a><span class="lineno"> 1818</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">PositiveRef</a>(ref);</div>
|
|
<div class="line"><a id="l01819" name="l01819"></a><span class="lineno"> 1819</span> int64_t& map_ref = objective_map_.at(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01820" name="l01820"></a><span class="lineno"> 1820</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">RefIsPositive</a>(ref)) {</div>
|
|
<div class="line"><a id="l01821" name="l01821"></a><span class="lineno"> 1821</span> map_ref -= min_coeff;</div>
|
|
<div class="line"><a id="l01822" name="l01822"></a><span class="lineno"> 1822</span> <span class="keywordflow">if</span> (map_ref == 0) {</div>
|
|
<div class="line"><a id="l01823" name="l01823"></a><span class="lineno"> 1823</span> objective_map_.erase(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01824" name="l01824"></a><span class="lineno"> 1824</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01825" name="l01825"></a><span class="lineno"> 1825</span> }</div>
|
|
<div class="line"><a id="l01826" name="l01826"></a><span class="lineno"> 1826</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l01827" name="l01827"></a><span class="lineno"> 1827</span> <span class="comment">// Term = coeff * (1 - X) = coeff - coeff * X;</span></div>
|
|
<div class="line"><a id="l01828" name="l01828"></a><span class="lineno"> 1828</span> <span class="comment">// So -coeff -> -coeff -min_coeff</span></div>
|
|
<div class="line"><a id="l01829" name="l01829"></a><span class="lineno"> 1829</span> <span class="comment">// And Term = coeff + min_coeff - min_coeff - (coeff + min_coeff) * X</span></div>
|
|
<div class="line"><a id="l01830" name="l01830"></a><span class="lineno"> 1830</span> <span class="comment">// = (coeff + min_coeff) * (1 - X) - min_coeff;</span></div>
|
|
<div class="line"><a id="l01831" name="l01831"></a><span class="lineno"> 1831</span> map_ref += min_coeff;</div>
|
|
<div class="line"><a id="l01832" name="l01832"></a><span class="lineno"> 1832</span> <span class="keywordflow">if</span> (map_ref == 0) {</div>
|
|
<div class="line"><a id="l01833" name="l01833"></a><span class="lineno"> 1833</span> objective_map_.erase(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l01834" name="l01834"></a><span class="lineno"> 1834</span> var_to_constraints_[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>].erase(<a class="code hl_variable" href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">kObjectiveConstraint</a>);</div>
|
|
<div class="line"><a id="l01835" name="l01835"></a><span class="lineno"> 1835</span> }</div>
|
|
<div class="line"><a id="l01836" name="l01836"></a><span class="lineno"> 1836</span> offset -= min_coeff;</div>
|
|
<div class="line"><a id="l01837" name="l01837"></a><span class="lineno"> 1837</span> }</div>
|
|
<div class="line"><a id="l01838" name="l01838"></a><span class="lineno"> 1838</span> }</div>
|
|
<div class="line"><a id="l01839" name="l01839"></a><span class="lineno"> 1839</span> </div>
|
|
<div class="line"><a id="l01840" name="l01840"></a><span class="lineno"> 1840</span> <span class="comment">// Note that the domain never include the offset, so we need to update it.</span></div>
|
|
<div class="line"><a id="l01841" name="l01841"></a><span class="lineno"> 1841</span> <span class="keywordflow">if</span> (offset != 0) {</div>
|
|
<div class="line"><a id="l01842" name="l01842"></a><span class="lineno"> 1842</span> objective_offset_ += offset;</div>
|
|
<div class="line"><a id="l01843" name="l01843"></a><span class="lineno"> 1843</span> objective_integer_offset_ += offset * objective_integer_scaling_factor_;</div>
|
|
<div class="line"><a id="l01844" name="l01844"></a><span class="lineno"> 1844</span> objective_domain_ = objective_domain_.<a class="code hl_function" href="classoperations__research_1_1_domain.html#a4f9af4a46ee07931e3e5e50f6ddfb8ad">AdditionWith</a>(<a class="code hl_class" href="classoperations__research_1_1_domain.html">Domain</a>(-offset));</div>
|
|
<div class="line"><a id="l01845" name="l01845"></a><span class="lineno"> 1845</span> }</div>
|
|
<div class="line"><a id="l01846" name="l01846"></a><span class="lineno"> 1846</span> </div>
|
|
<div class="line"><a id="l01847" name="l01847"></a><span class="lineno"> 1847</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l01848" name="l01848"></a><span class="lineno"> 1848</span>}</div>
|
|
<div class="line"><a id="l01849" name="l01849"></a><span class="lineno"> 1849</span> </div>
|
|
<div class="line"><a id="l01850" name="l01850"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a36794cf424ca2d69bc4774437a61a88e"> 1850</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a36794cf424ca2d69bc4774437a61a88e">PresolveContext::WriteObjectiveToProto</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l01851" name="l01851"></a><span class="lineno"> 1851</span> <span class="comment">// We need to sort the entries to be deterministic.</span></div>
|
|
<div class="line"><a id="l01852" name="l01852"></a><span class="lineno"> 1852</span> std::vector<std::pair<int, int64_t>> entries;</div>
|
|
<div class="line"><a id="l01853" name="l01853"></a><span class="lineno"> 1853</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : objective_map_) {</div>
|
|
<div class="line"><a id="l01854" name="l01854"></a><span class="lineno"> 1854</span> entries.push_back(entry);</div>
|
|
<div class="line"><a id="l01855" name="l01855"></a><span class="lineno"> 1855</span> }</div>
|
|
<div class="line"><a id="l01856" name="l01856"></a><span class="lineno"> 1856</span> std::sort(entries.begin(), entries.end());</div>
|
|
<div class="line"><a id="l01857" name="l01857"></a><span class="lineno"> 1857</span> </div>
|
|
<div class="line"><a id="l01858" name="l01858"></a><span class="lineno"> 1858</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html">CpObjectiveProto</a>* mutable_obj = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ad3badc7aa3d94e81e0126edbfa452fda">mutable_objective</a>();</div>
|
|
<div class="line"><a id="l01859" name="l01859"></a><span class="lineno"> 1859</span> mutable_obj-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#ac7453c28e1da85ea4728b31419c0d6b7">set_offset</a>(objective_offset_);</div>
|
|
<div class="line"><a id="l01860" name="l01860"></a><span class="lineno"> 1860</span> mutable_obj-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#af02334eb54337092e11b9a74312a4c25">set_scaling_factor</a>(objective_scaling_factor_);</div>
|
|
<div class="line"><a id="l01861" name="l01861"></a><span class="lineno"> 1861</span> mutable_obj-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#adbc3a11a0648c24b857049dd24e0e463">set_integer_offset</a>(objective_integer_offset_);</div>
|
|
<div class="line"><a id="l01862" name="l01862"></a><span class="lineno"> 1862</span> <span class="keywordflow">if</span> (objective_integer_scaling_factor_ == 1) {</div>
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<div class="line"><a id="l01863" name="l01863"></a><span class="lineno"> 1863</span> mutable_obj-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#aae394cb473e8db12a0949a1770db3bb9">set_integer_scaling_factor</a>(0); <span class="comment">// Default.</span></div>
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<div class="line"><a id="l01864" name="l01864"></a><span class="lineno"> 1864</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01865" name="l01865"></a><span class="lineno"> 1865</span> mutable_obj-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#aae394cb473e8db12a0949a1770db3bb9">set_integer_scaling_factor</a>(objective_integer_scaling_factor_);</div>
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<div class="line"><a id="l01866" name="l01866"></a><span class="lineno"> 1866</span> }</div>
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<div class="line"><a id="l01867" name="l01867"></a><span class="lineno"> 1867</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a901c19b12842f8af153e588a689a90b5">FillDomainInProto</a>(objective_domain_, mutable_obj);</div>
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<div class="line"><a id="l01868" name="l01868"></a><span class="lineno"> 1868</span> mutable_obj-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#ab1a05788afa206a0fd73ba052ac18520">clear_vars</a>();</div>
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<div class="line"><a id="l01869" name="l01869"></a><span class="lineno"> 1869</span> mutable_obj-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a06a99a40cbd48fec5a10b7096f0a027d">clear_coeffs</a>();</div>
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<div class="line"><a id="l01870" name="l01870"></a><span class="lineno"> 1870</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : entries) {</div>
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<div class="line"><a id="l01871" name="l01871"></a><span class="lineno"> 1871</span> mutable_obj-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a52d17efda66accf5a25aab163625e0dc">add_vars</a>(entry.first);</div>
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<div class="line"><a id="l01872" name="l01872"></a><span class="lineno"> 1872</span> mutable_obj-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a4b9572c4b6c4b51f1e98efdcd69a7d0f">add_coeffs</a>(entry.second);</div>
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<div class="line"><a id="l01873" name="l01873"></a><span class="lineno"> 1873</span> }</div>
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<div class="line"><a id="l01874" name="l01874"></a><span class="lineno"> 1874</span>}</div>
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<div class="line"><a id="l01875" name="l01875"></a><span class="lineno"> 1875</span> </div>
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<div class="line"><a id="l01876" name="l01876"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a6dbf60b03175ebeb45b650fb76b53dbc"> 1876</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a6dbf60b03175ebeb45b650fb76b53dbc">PresolveContext::WriteVariableDomainsToProto</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l01877" name="l01877"></a><span class="lineno"> 1877</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#abef5f55c3278c137faca92b8e433f8ea">variables_size</a>(); ++i) {</div>
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<div class="line"><a id="l01878" name="l01878"></a><span class="lineno"> 1878</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a901c19b12842f8af153e588a689a90b5">FillDomainInProto</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">DomainOf</a>(i), <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ab9746c6070379e1990d2fd2da7586398">mutable_variables</a>(i));</div>
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|
<div class="line"><a id="l01879" name="l01879"></a><span class="lineno"> 1879</span> }</div>
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<div class="line"><a id="l01880" name="l01880"></a><span class="lineno"> 1880</span>}</div>
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<div class="line"><a id="l01881" name="l01881"></a><span class="lineno"> 1881</span> </div>
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<div class="line"><a id="l01882" name="l01882"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2b7f0524381be1a7b01b5f707b98cb9a"> 1882</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a2b7f0524381be1a7b01b5f707b98cb9a">PresolveContext::GetOrCreateReifiedPrecedenceLiteral</a>(</div>
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<div class="line"><a id="l01883" name="l01883"></a><span class="lineno"> 1883</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& time_i, <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& time_j,</div>
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<div class="line"><a id="l01884" name="l01884"></a><span class="lineno"> 1884</span> <span class="keywordtype">int</span> active_i, <span class="keywordtype">int</span> active_j) {</div>
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<div class="line"><a id="l01885" name="l01885"></a><span class="lineno"> 1885</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9f3443b281c705edf1779f746637ad9b">LiteralIsFalse</a>(active_i));</div>
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<div class="line"><a id="l01886" name="l01886"></a><span class="lineno"> 1886</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a9f3443b281c705edf1779f746637ad9b">LiteralIsFalse</a>(active_j));</div>
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<div class="line"><a id="l01887" name="l01887"></a><span class="lineno"> 1887</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aab9fc6e23064f7f2aff53c4f5059f493">ExpressionIsAffine</a>(time_i));</div>
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<div class="line"><a id="l01888" name="l01888"></a><span class="lineno"> 1888</span> <a class="code hl_define" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aab9fc6e23064f7f2aff53c4f5059f493">ExpressionIsAffine</a>(time_j));</div>
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<div class="line"><a id="l01889" name="l01889"></a><span class="lineno"> 1889</span> </div>
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<div class="line"><a id="l01890" name="l01890"></a><span class="lineno"> 1890</span> <span class="keyword">const</span> std::tuple<int, int64_t, int, int64_t, int64_t, int, int> key =</div>
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<div class="line"><a id="l01891" name="l01891"></a><span class="lineno"> 1891</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8d58acb908ccc68472fe1a162957086a">GetReifiedPrecedenceKey</a>(time_i, time_j, active_i, active_j);</div>
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<div class="line"><a id="l01892" name="l01892"></a><span class="lineno"> 1892</span> <span class="keyword">const</span> <span class="keyword">auto</span>& it = reified_precedences_cache_.find(key);</div>
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<div class="line"><a id="l01893" name="l01893"></a><span class="lineno"> 1893</span> <span class="keywordflow">if</span> (it != reified_precedences_cache_.end()) <span class="keywordflow">return</span> it->second;</div>
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<div class="line"><a id="l01894" name="l01894"></a><span class="lineno"> 1894</span> </div>
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<div class="line"><a id="l01895" name="l01895"></a><span class="lineno"> 1895</span> <span class="keyword">const</span> <span class="keywordtype">int</span> result = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a0967c575f9db0c79ed2e7930a0d6a091">NewBoolVar</a>();</div>
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|
<div class="line"><a id="l01896" name="l01896"></a><span class="lineno"> 1896</span> reified_precedences_cache_[key] = result;</div>
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<div class="line"><a id="l01897" name="l01897"></a><span class="lineno"> 1897</span> </div>
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<div class="line"><a id="l01898" name="l01898"></a><span class="lineno"> 1898</span> <span class="comment">// result => (time_i <= time_j) && active_i && active_j.</span></div>
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<div class="line"><a id="l01899" name="l01899"></a><span class="lineno"> 1899</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>* <span class="keyword">const</span> lesseq = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ac01de597eeeff5521a8bf54568bf1373">add_constraints</a>();</div>
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<div class="line"><a id="l01900" name="l01900"></a><span class="lineno"> 1900</span> lesseq-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#adc450f71ba783e672ec00375c12286cf">add_enforcement_literal</a>(result);</div>
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<div class="line"><a id="l01901" name="l01901"></a><span class="lineno"> 1901</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_i)) {</div>
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<div class="line"><a id="l01902" name="l01902"></a><span class="lineno"> 1902</span> lesseq-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a52d17efda66accf5a25aab163625e0dc">add_vars</a>(time_i.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0));</div>
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<div class="line"><a id="l01903" name="l01903"></a><span class="lineno"> 1903</span> lesseq-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a4b9572c4b6c4b51f1e98efdcd69a7d0f">add_coeffs</a>(-time_i.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0));</div>
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<div class="line"><a id="l01904" name="l01904"></a><span class="lineno"> 1904</span> }</div>
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<div class="line"><a id="l01905" name="l01905"></a><span class="lineno"> 1905</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_j)) {</div>
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<div class="line"><a id="l01906" name="l01906"></a><span class="lineno"> 1906</span> lesseq-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a52d17efda66accf5a25aab163625e0dc">add_vars</a>(time_j.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0));</div>
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<div class="line"><a id="l01907" name="l01907"></a><span class="lineno"> 1907</span> lesseq-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a4b9572c4b6c4b51f1e98efdcd69a7d0f">add_coeffs</a>(time_j.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0));</div>
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<div class="line"><a id="l01908" name="l01908"></a><span class="lineno"> 1908</span> }</div>
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<div class="line"><a id="l01909" name="l01909"></a><span class="lineno"> 1909</span> </div>
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<div class="line"><a id="l01910" name="l01910"></a><span class="lineno"> 1910</span> <span class="keyword">const</span> int64_t offset =</div>
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<div class="line"><a id="l01911" name="l01911"></a><span class="lineno"> 1911</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_i) ? <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">FixedValue</a>(time_i) : time_i.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>()) -</div>
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<div class="line"><a id="l01912" name="l01912"></a><span class="lineno"> 1912</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_j) ? <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">FixedValue</a>(time_j) : time_j.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>());</div>
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<div class="line"><a id="l01913" name="l01913"></a><span class="lineno"> 1913</span> lesseq-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#abd89087d68515434d861e10adb0f055e">add_domain</a>(offset);</div>
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<div class="line"><a id="l01914" name="l01914"></a><span class="lineno"> 1914</span> lesseq-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#abd89087d68515434d861e10adb0f055e">add_domain</a>(<a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::numeric_limits<int64_t>::max</a>());</div>
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<div class="line"><a id="l01915" name="l01915"></a><span class="lineno"> 1915</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2">LiteralIsTrue</a>(active_i)) {</div>
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<div class="line"><a id="l01916" name="l01916"></a><span class="lineno"> 1916</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a1aadaad9b8af16ab5a208c682e2e1717">AddImplication</a>(result, active_i);</div>
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<div class="line"><a id="l01917" name="l01917"></a><span class="lineno"> 1917</span> }</div>
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<div class="line"><a id="l01918" name="l01918"></a><span class="lineno"> 1918</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2">LiteralIsTrue</a>(active_j)) {</div>
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<div class="line"><a id="l01919" name="l01919"></a><span class="lineno"> 1919</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a1aadaad9b8af16ab5a208c682e2e1717">AddImplication</a>(result, active_j);</div>
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<div class="line"><a id="l01920" name="l01920"></a><span class="lineno"> 1920</span> }</div>
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<div class="line"><a id="l01921" name="l01921"></a><span class="lineno"> 1921</span> </div>
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<div class="line"><a id="l01922" name="l01922"></a><span class="lineno"> 1922</span> <span class="comment">// Not(result) && active_i && active_j => (time_i > time_j)</span></div>
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<div class="line"><a id="l01923" name="l01923"></a><span class="lineno"> 1923</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>* <span class="keyword">const</span> greater = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ac01de597eeeff5521a8bf54568bf1373">add_constraints</a>();</div>
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<div class="line"><a id="l01924" name="l01924"></a><span class="lineno"> 1924</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_i)) {</div>
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<div class="line"><a id="l01925" name="l01925"></a><span class="lineno"> 1925</span> greater-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a52d17efda66accf5a25aab163625e0dc">add_vars</a>(time_i.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0));</div>
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<div class="line"><a id="l01926" name="l01926"></a><span class="lineno"> 1926</span> greater-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a4b9572c4b6c4b51f1e98efdcd69a7d0f">add_coeffs</a>(-time_i.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0));</div>
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<div class="line"><a id="l01927" name="l01927"></a><span class="lineno"> 1927</span> }</div>
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<div class="line"><a id="l01928" name="l01928"></a><span class="lineno"> 1928</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_j)) {</div>
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<div class="line"><a id="l01929" name="l01929"></a><span class="lineno"> 1929</span> greater-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a52d17efda66accf5a25aab163625e0dc">add_vars</a>(time_j.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0));</div>
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<div class="line"><a id="l01930" name="l01930"></a><span class="lineno"> 1930</span> greater-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a4b9572c4b6c4b51f1e98efdcd69a7d0f">add_coeffs</a>(time_j.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0));</div>
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<div class="line"><a id="l01931" name="l01931"></a><span class="lineno"> 1931</span> }</div>
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<div class="line"><a id="l01932" name="l01932"></a><span class="lineno"> 1932</span> greater-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#abd89087d68515434d861e10adb0f055e">add_domain</a>(<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int64_t>::min</a>());</div>
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<div class="line"><a id="l01933" name="l01933"></a><span class="lineno"> 1933</span> greater-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">mutable_linear</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#abd89087d68515434d861e10adb0f055e">add_domain</a>(offset - 1);</div>
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<div class="line"><a id="l01934" name="l01934"></a><span class="lineno"> 1934</span> </div>
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<div class="line"><a id="l01935" name="l01935"></a><span class="lineno"> 1935</span> <span class="comment">// Manages enforcement literal.</span></div>
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<div class="line"><a id="l01936" name="l01936"></a><span class="lineno"> 1936</span> greater-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#adc450f71ba783e672ec00375c12286cf">add_enforcement_literal</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(result));</div>
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<div class="line"><a id="l01937" name="l01937"></a><span class="lineno"> 1937</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2">LiteralIsTrue</a>(active_i)) {</div>
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<div class="line"><a id="l01938" name="l01938"></a><span class="lineno"> 1938</span> greater-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#adc450f71ba783e672ec00375c12286cf">add_enforcement_literal</a>(active_i);</div>
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<div class="line"><a id="l01939" name="l01939"></a><span class="lineno"> 1939</span> }</div>
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<div class="line"><a id="l01940" name="l01940"></a><span class="lineno"> 1940</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2">LiteralIsTrue</a>(active_j)) {</div>
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<div class="line"><a id="l01941" name="l01941"></a><span class="lineno"> 1941</span> greater-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#adc450f71ba783e672ec00375c12286cf">add_enforcement_literal</a>(active_j);</div>
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<div class="line"><a id="l01942" name="l01942"></a><span class="lineno"> 1942</span> }</div>
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<div class="line"><a id="l01943" name="l01943"></a><span class="lineno"> 1943</span> </div>
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<div class="line"><a id="l01944" name="l01944"></a><span class="lineno"> 1944</span> <span class="comment">// This is redundant but should improves performance.</span></div>
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<div class="line"><a id="l01945" name="l01945"></a><span class="lineno"> 1945</span> <span class="comment">//</span></div>
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<div class="line"><a id="l01946" name="l01946"></a><span class="lineno"> 1946</span> <span class="comment">// If GetOrCreateReifiedPrecedenceLiteral(time_j, time_i, active_j, active_i)</span></div>
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<div class="line"><a id="l01947" name="l01947"></a><span class="lineno"> 1947</span> <span class="comment">// (the reverse precedence) has been called too, then we can link the two</span></div>
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<div class="line"><a id="l01948" name="l01948"></a><span class="lineno"> 1948</span> <span class="comment">// precedence literals, and the two active literals together.</span></div>
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<div class="line"><a id="l01949" name="l01949"></a><span class="lineno"> 1949</span> <span class="keyword">const</span> <span class="keyword">auto</span>& rev_it = reified_precedences_cache_.find(</div>
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<div class="line"><a id="l01950" name="l01950"></a><span class="lineno"> 1950</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8d58acb908ccc68472fe1a162957086a">GetReifiedPrecedenceKey</a>(time_j, time_i, active_j, active_i));</div>
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<div class="line"><a id="l01951" name="l01951"></a><span class="lineno"> 1951</span> <span class="keywordflow">if</span> (rev_it != reified_precedences_cache_.end()) {</div>
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<div class="line"><a id="l01952" name="l01952"></a><span class="lineno"> 1952</span> <span class="keyword">auto</span>* <span class="keyword">const</span> bool_or = <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">working_model</a>-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ac01de597eeeff5521a8bf54568bf1373">add_constraints</a>()-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_proto.html#ae26e2a099b411b50dd1d4c6605837d0a">mutable_bool_or</a>();</div>
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<div class="line"><a id="l01953" name="l01953"></a><span class="lineno"> 1953</span> bool_or-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_bool_argument_proto.html#a6621d62d6f9a24a33e9f33c46d7666eb">add_literals</a>(result);</div>
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<div class="line"><a id="l01954" name="l01954"></a><span class="lineno"> 1954</span> bool_or->add_literals(rev_it->second);</div>
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<div class="line"><a id="l01955" name="l01955"></a><span class="lineno"> 1955</span> bool_or->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(active_i));</div>
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<div class="line"><a id="l01956" name="l01956"></a><span class="lineno"> 1956</span> bool_or->add_literals(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">NegatedRef</a>(active_j));</div>
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<div class="line"><a id="l01957" name="l01957"></a><span class="lineno"> 1957</span> }</div>
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<div class="line"><a id="l01958" name="l01958"></a><span class="lineno"> 1958</span> </div>
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<div class="line"><a id="l01959" name="l01959"></a><span class="lineno"> 1959</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l01960" name="l01960"></a><span class="lineno"> 1960</span>}</div>
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<div class="line"><a id="l01961" name="l01961"></a><span class="lineno"> 1961</span> </div>
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<div class="line"><a id="l01962" name="l01962"></a><span class="lineno"> 1962</span>std::tuple<int, int64_t, int, int64_t, int64_t, int, int></div>
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<div class="line"><a id="l01963" name="l01963"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8d58acb908ccc68472fe1a162957086a"> 1963</a></span><a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8d58acb908ccc68472fe1a162957086a">PresolveContext::GetReifiedPrecedenceKey</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& time_i,</div>
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<div class="line"><a id="l01964" name="l01964"></a><span class="lineno"> 1964</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">LinearExpressionProto</a>& time_j,</div>
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<div class="line"><a id="l01965" name="l01965"></a><span class="lineno"> 1965</span> <span class="keywordtype">int</span> active_i, <span class="keywordtype">int</span> active_j) {</div>
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<div class="line"><a id="l01966" name="l01966"></a><span class="lineno"> 1966</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_i =</div>
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<div class="line"><a id="l01967" name="l01967"></a><span class="lineno"> 1967</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_i) ? <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int>::min</a>() : time_i.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0);</div>
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<div class="line"><a id="l01968" name="l01968"></a><span class="lineno"> 1968</span> <span class="keyword">const</span> int64_t coeff_i = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_i) ? 0 : time_i.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0);</div>
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<div class="line"><a id="l01969" name="l01969"></a><span class="lineno"> 1969</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_j =</div>
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<div class="line"><a id="l01970" name="l01970"></a><span class="lineno"> 1970</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_j) ? <a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::numeric_limits<int>::min</a>() : time_j.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">vars</a>(0);</div>
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<div class="line"><a id="l01971" name="l01971"></a><span class="lineno"> 1971</span> <span class="keyword">const</span> int64_t coeff_j = <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_j) ? 0 : time_j.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">coeffs</a>(0);</div>
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<div class="line"><a id="l01972" name="l01972"></a><span class="lineno"> 1972</span> <span class="keyword">const</span> int64_t offset =</div>
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<div class="line"><a id="l01973" name="l01973"></a><span class="lineno"> 1973</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_i) ? <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">FixedValue</a>(time_i) : time_i.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>()) -</div>
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<div class="line"><a id="l01974" name="l01974"></a><span class="lineno"> 1974</span> (<a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">IsFixed</a>(time_j) ? <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">FixedValue</a>(time_j) : time_j.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">offset</a>());</div>
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<div class="line"><a id="l01975" name="l01975"></a><span class="lineno"> 1975</span> <span class="comment">// In all formulas, active_i and active_j are symmetrical, we can sort the</span></div>
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<div class="line"><a id="l01976" name="l01976"></a><span class="lineno"> 1976</span> <span class="comment">// active literals.</span></div>
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<div class="line"><a id="l01977" name="l01977"></a><span class="lineno"> 1977</span> <span class="keywordflow">if</span> (active_j < active_i) <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2">std::swap</a>(active_i, active_j);</div>
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<div class="line"><a id="l01978" name="l01978"></a><span class="lineno"> 1978</span> <span class="keywordflow">return</span> std::make_tuple(var_i, coeff_i, var_j, coeff_j, offset, active_i,</div>
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<div class="line"><a id="l01979" name="l01979"></a><span class="lineno"> 1979</span> active_j);</div>
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<div class="line"><a id="l01980" name="l01980"></a><span class="lineno"> 1980</span>}</div>
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<div class="line"><a id="l01981" name="l01981"></a><span class="lineno"> 1981</span> </div>
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<div class="line"><a id="l01982" name="l01982"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae58b8c61c87bd4625b0a5db975652151"> 1982</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#ae58b8c61c87bd4625b0a5db975652151">PresolveContext::ClearPrecedenceCache</a>() {</div>
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<div class="line"><a id="l01983" name="l01983"></a><span class="lineno"> 1983</span> reified_precedences_cache_.clear();</div>
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<div class="line"><a id="l01984" name="l01984"></a><span class="lineno"> 1984</span>}</div>
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<div class="line"><a id="l01985" name="l01985"></a><span class="lineno"> 1985</span> </div>
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<div class="line"><a id="l01986" name="l01986"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_presolve_context.html#a40432f5ffa1ea8255071161d96f598d1"> 1986</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#a40432f5ffa1ea8255071161d96f598d1">PresolveContext::LogInfo</a>() {</div>
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<div class="line"><a id="l01987" name="l01987"></a><span class="lineno"> 1987</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger_, <span class="stringliteral">""</span>);</div>
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<div class="line"><a id="l01988" name="l01988"></a><span class="lineno"> 1988</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger_, <span class="stringliteral">"Presolve summary:"</span>);</div>
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<div class="line"><a id="l01989" name="l01989"></a><span class="lineno"> 1989</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger_, <span class="stringliteral">" - "</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#abd6f7af5d9b31061a7b03ec44488ea4c">NumAffineRelations</a>(),</div>
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<div class="line"><a id="l01990" name="l01990"></a><span class="lineno"> 1990</span> <span class="stringliteral">" affine relations were detected."</span>);</div>
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<div class="line"><a id="l01991" name="l01991"></a><span class="lineno"> 1991</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger_, <span class="stringliteral">" - "</span>, <a class="code hl_function" href="classoperations__research_1_1sat_1_1_presolve_context.html#acb73a5ab7e240d5f93938262f2d8b826">NumEquivRelations</a>(),</div>
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<div class="line"><a id="l01992" name="l01992"></a><span class="lineno"> 1992</span> <span class="stringliteral">" variable equivalence relations were detected."</span>);</div>
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<div class="line"><a id="l01993" name="l01993"></a><span class="lineno"> 1993</span> std::map<std::string, int> sorted_rules(stats_by_rule_name_.begin(),</div>
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<div class="line"><a id="l01994" name="l01994"></a><span class="lineno"> 1994</span> stats_by_rule_name_.end());</div>
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<div class="line"><a id="l01995" name="l01995"></a><span class="lineno"> 1995</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : sorted_rules) {</div>
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<div class="line"><a id="l01996" name="l01996"></a><span class="lineno"> 1996</span> <span class="keywordflow">if</span> (entry.second == 1) {</div>
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<div class="line"><a id="l01997" name="l01997"></a><span class="lineno"> 1997</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger_, <span class="stringliteral">" - rule '"</span>, entry.first, <span class="stringliteral">"' was applied 1 time."</span>);</div>
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<div class="line"><a id="l01998" name="l01998"></a><span class="lineno"> 1998</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l01999" name="l01999"></a><span class="lineno"> 1999</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(logger_, <span class="stringliteral">" - rule '"</span>, entry.first, <span class="stringliteral">"' was applied "</span>,</div>
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<div class="line"><a id="l02000" name="l02000"></a><span class="lineno"> 2000</span> entry.second, <span class="stringliteral">" times."</span>);</div>
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<div class="line"><a id="l02001" name="l02001"></a><span class="lineno"> 2001</span> }</div>
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<div class="line"><a id="l02002" name="l02002"></a><span class="lineno"> 2002</span> }</div>
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<div class="line"><a id="l02003" name="l02003"></a><span class="lineno"> 2003</span>}</div>
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<div class="line"><a id="l02004" name="l02004"></a><span class="lineno"> 2004</span> </div>
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<div class="line"><a id="l02005" name="l02005"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html#ac2ccdb02f35bbd7a53cc10a09210b200"> 2005</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ac2ccdb02f35bbd7a53cc10a09210b200">LoadModelForProbing</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_presolve_context.html">PresolveContext</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>, <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* local_model) {</div>
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<div class="line"><a id="l02006" name="l02006"></a><span class="lineno"> 2006</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->ModelIsUnsat()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l02007" name="l02007"></a><span class="lineno"> 2007</span> </div>
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<div class="line"><a id="l02008" name="l02008"></a><span class="lineno"> 2008</span> <span class="comment">// Update the domain in the current CpModelProto.</span></div>
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<div class="line"><a id="l02009" name="l02009"></a><span class="lineno"> 2009</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->WriteVariableDomainsToProto();</div>
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<div class="line"><a id="l02010" name="l02010"></a><span class="lineno"> 2010</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_cp_model_proto.html">CpModelProto</a>& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a> = *(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->working_model);</div>
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<div class="line"><a id="l02011" name="l02011"></a><span class="lineno"> 2011</span> </div>
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<div class="line"><a id="l02012" name="l02012"></a><span class="lineno"> 2012</span> <span class="comment">// Load the constraints in a local model.</span></div>
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<div class="line"><a id="l02013" name="l02013"></a><span class="lineno"> 2013</span> <span class="comment">//</span></div>
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<div class="line"><a id="l02014" name="l02014"></a><span class="lineno"> 2014</span> <span class="comment">// TODO(user): The model we load does not contain affine relations! But</span></div>
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<div class="line"><a id="l02015" name="l02015"></a><span class="lineno"> 2015</span> <span class="comment">// ideally we should be able to remove all of them once we allow more complex</span></div>
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<div class="line"><a id="l02016" name="l02016"></a><span class="lineno"> 2016</span> <span class="comment">// constraints to contains linear expression.</span></div>
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<div class="line"><a id="l02017" name="l02017"></a><span class="lineno"> 2017</span> <span class="comment">//</span></div>
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<div class="line"><a id="l02018" name="l02018"></a><span class="lineno"> 2018</span> <span class="comment">// TODO(user): remove code duplication with cp_model_solver. Here we also do</span></div>
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<div class="line"><a id="l02019" name="l02019"></a><span class="lineno"> 2019</span> <span class="comment">// not run the heuristic to decide which variable to fully encode.</span></div>
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<div class="line"><a id="l02020" name="l02020"></a><span class="lineno"> 2020</span> <span class="comment">//</span></div>
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<div class="line"><a id="l02021" name="l02021"></a><span class="lineno"> 2021</span> <span class="comment">// TODO(user): Maybe do not load slow to propagate constraints? for instance</span></div>
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<div class="line"><a id="l02022" name="l02022"></a><span class="lineno"> 2022</span> <span class="comment">// we do not use any linear relaxation here.</span></div>
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<div class="line"><a id="l02023" name="l02023"></a><span class="lineno"> 2023</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>;</div>
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<div class="line"><a id="l02024" name="l02024"></a><span class="lineno"> 2024</span> local_model-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#a7fac5de5604ea8668bc414536e8aa7ee">Register</a><<a class="code hl_class" href="classoperations__research_1_1_solver_logger.html">SolverLogger</a>>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->logger());</div>
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<div class="line"><a id="l02025" name="l02025"></a><span class="lineno"> 2025</span> </div>
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<div class="line"><a id="l02026" name="l02026"></a><span class="lineno"> 2026</span> <span class="comment">// Adapt some of the parameters during this probing phase.</span></div>
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<div class="line"><a id="l02027" name="l02027"></a><span class="lineno"> 2027</span> <span class="keyword">auto</span>* local_param = local_model-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><<a class="code hl_class" href="classoperations__research_1_1sat_1_1_sat_parameters.html">SatParameters</a>>();</div>
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<div class="line"><a id="l02028" name="l02028"></a><span class="lineno"> 2028</span> *local_param = <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->params();</div>
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<div class="line"><a id="l02029" name="l02029"></a><span class="lineno"> 2029</span> local_param->set_use_implied_bounds(<span class="keyword">false</span>);</div>
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<div class="line"><a id="l02030" name="l02030"></a><span class="lineno"> 2030</span> </div>
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<div class="line"><a id="l02031" name="l02031"></a><span class="lineno"> 2031</span> local_model-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><<a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>>()->MergeWithGlobalTimeLimit(</div>
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<div class="line"><a id="l02032" name="l02032"></a><span class="lineno"> 2032</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->time_limit());</div>
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<div class="line"><a id="l02033" name="l02033"></a><span class="lineno"> 2033</span> local_model-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#a7fac5de5604ea8668bc414536e8aa7ee">Register</a><<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model_random_generator.html">ModelRandomGenerator</a>>(<a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->random());</div>
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<div class="line"><a id="l02034" name="l02034"></a><span class="lineno"> 2034</span> <span class="keyword">auto</span>* encoder = local_model-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><<a class="code hl_class" href="classoperations__research_1_1sat_1_1_integer_encoder.html">IntegerEncoder</a>>();</div>
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<div class="line"><a id="l02035" name="l02035"></a><span class="lineno"> 2035</span> encoder->DisableImplicationBetweenLiteral();</div>
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<div class="line"><a id="l02036" name="l02036"></a><span class="lineno"> 2036</span> <span class="keyword">auto</span>* mapping = local_model-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><<a class="code hl_class" href="classoperations__research_1_1sat_1_1_cp_model_mapping.html">CpModelMapping</a>>();</div>
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<div class="line"><a id="l02037" name="l02037"></a><span class="lineno"> 2037</span> </div>
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<div class="line"><a id="l02038" name="l02038"></a><span class="lineno"> 2038</span> <span class="comment">// Important: Because the model_proto do not contains affine relation or the</span></div>
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<div class="line"><a id="l02039" name="l02039"></a><span class="lineno"> 2039</span> <span class="comment">// objective, we cannot call DetectOptionalVariables() ! This might wrongly</span></div>
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<div class="line"><a id="l02040" name="l02040"></a><span class="lineno"> 2040</span> <span class="comment">// detect optionality and derive bad conclusion.</span></div>
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<div class="line"><a id="l02041" name="l02041"></a><span class="lineno"> 2041</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1a6eefe7a5bfd8bdf83407c9e6af56f5">LoadVariables</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, <span class="comment">/*view_all_booleans_as_integers=*/</span><span class="keyword">false</span>,</div>
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<div class="line"><a id="l02042" name="l02042"></a><span class="lineno"> 2042</span> local_model);</div>
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<div class="line"><a id="l02043" name="l02043"></a><span class="lineno"> 2043</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ad78bf6fcea4b54f750e2457e47b4f46a">ExtractEncoding</a>(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, local_model);</div>
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<div class="line"><a id="l02044" name="l02044"></a><span class="lineno"> 2044</span> <span class="keyword">auto</span>* sat_solver = local_model-><a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">GetOrCreate</a><<a class="code hl_class" href="classoperations__research_1_1sat_1_1_sat_solver.html">SatSolver</a>>();</div>
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<div class="line"><a id="l02045" name="l02045"></a><span class="lineno"> 2045</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_proto.html">ConstraintProto</a>& <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> : <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">constraints</a>()) {</div>
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<div class="line"><a id="l02046" name="l02046"></a><span class="lineno"> 2046</span> <span class="keywordflow">if</span> (mapping->ConstraintIsAlreadyLoaded(&<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>)) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l02047" name="l02047"></a><span class="lineno"> 2047</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1c3fa75911c74ce485e62814484c7ae7">LoadConstraint</a>(<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>, local_model));</div>
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<div class="line"><a id="l02048" name="l02048"></a><span class="lineno"> 2048</span> <span class="keywordflow">if</span> (sat_solver->IsModelUnsat()) {</div>
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<div class="line"><a id="l02049" name="l02049"></a><span class="lineno"> 2049</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NotifyThatModelIsUnsat(absl::StrCat(</div>
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|
<div class="line"><a id="l02050" name="l02050"></a><span class="lineno"> 2050</span> <span class="stringliteral">"after loading constraint during probing "</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>.ShortDebugString()));</div>
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<div class="line"><a id="l02051" name="l02051"></a><span class="lineno"> 2051</span> }</div>
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<div class="line"><a id="l02052" name="l02052"></a><span class="lineno"> 2052</span> }</div>
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<div class="line"><a id="l02053" name="l02053"></a><span class="lineno"> 2053</span> encoder->AddAllImplicationsBetweenAssociatedLiterals();</div>
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<div class="line"><a id="l02054" name="l02054"></a><span class="lineno"> 2054</span> <span class="keywordflow">if</span> (!sat_solver->Propagate()) {</div>
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|
<div class="line"><a id="l02055" name="l02055"></a><span class="lineno"> 2055</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a>->NotifyThatModelIsUnsat(</div>
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<div class="line"><a id="l02056" name="l02056"></a><span class="lineno"> 2056</span> <span class="stringliteral">"during probing initial propagation"</span>);</div>
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<div class="line"><a id="l02057" name="l02057"></a><span class="lineno"> 2057</span> }</div>
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<div class="line"><a id="l02058" name="l02058"></a><span class="lineno"> 2058</span> </div>
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<div class="line"><a id="l02059" name="l02059"></a><span class="lineno"> 2059</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l02060" name="l02060"></a><span class="lineno"> 2060</span>}</div>
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<div class="line"><a id="l02061" name="l02061"></a><span class="lineno"> 2061</span> </div>
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<div class="line"><a id="l02062" name="l02062"></a><span class="lineno"> 2062</span>} <span class="comment">// namespace sat</span></div>
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<div class="line"><a id="l02063" name="l02063"></a><span class="lineno"> 2063</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</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_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00492">base/logging.h:492</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a4395e95bab44e222cb2e77251017a0e2"><div class="ttname"><a href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a></div><div class="ttdeci">#define DCHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00889">base/logging.h:889</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a46e69120fbd3b36e6960e096d23b66f0"><div class="ttname"><a href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a></div><div class="ttdeci">#define DCHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00888">base/logging.h:888</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(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="abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb"><div class="ttname"><a href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a></div><div class="ttdeci">#define CHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00700">base/logging.h:700</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a"><div class="ttname"><a href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a></div><div class="ttdeci">#define DCHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00890">base/logging.h:890</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00417">base/logging.h:417</a></div></div>
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<div class="ttc" id="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#l00886">base/logging.h:886</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#l00701">base/logging.h:701</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0"><div class="ttname"><a href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a></div><div class="ttdeci">#define DCHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00887">base/logging.h:887</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00980">base/logging.h:980</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_affine_relation_html"><div class="ttname"><a href="classoperations__research_1_1_affine_relation.html">operations_research::AffineRelation</a></div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00036">affine_relation.h:36</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_affine_relation_html_a2dfbb2acebf03bbb98cc1c54256fdead"><div class="ttname"><a href="classoperations__research_1_1_affine_relation.html#a2dfbb2acebf03bbb98cc1c54256fdead">operations_research::AffineRelation::IgnoreFromClassSize</a></div><div class="ttdeci">void IgnoreFromClassSize(int x)</div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00096">affine_relation.h:96</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_affine_relation_html_a3fd7611957e9eaebe9d43c23705e720b"><div class="ttname"><a href="classoperations__research_1_1_affine_relation.html#a3fd7611957e9eaebe9d43c23705e720b">operations_research::AffineRelation::TryAdd</a></div><div class="ttdeci">bool TryAdd(int x, int y, int64_t coeff, int64_t offset)</div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00167">affine_relation.h:167</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_affine_relation_html_abc96755c0de80a81fd2730d3f2e85523"><div class="ttname"><a href="classoperations__research_1_1_affine_relation.html#abc96755c0de80a81fd2730d3f2e85523">operations_research::AffineRelation::ClassSize</a></div><div class="ttdeci">int ClassSize(int x) const</div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00110">affine_relation.h:110</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_affine_relation_html_ac776696766f8c91ca8abc02f41d5854b"><div class="ttname"><a href="classoperations__research_1_1_affine_relation.html#ac776696766f8c91ca8abc02f41d5854b">operations_research::AffineRelation::Get</a></div><div class="ttdeci">Relation Get(int x) const</div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00214">affine_relation.h:214</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="aclassoperations__research_1_1_domain_html_a03a595b90f43d02186eb660424c6ca1b"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a03a595b90f43d02186eb660424c6ca1b">operations_research::Domain::AllValues</a></div><div class="ttdeci">static Domain AllValues()</div><div class="ttdoc">Returns the full domain Int64.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00136">sorted_interval_list.cc:136</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a1341b29865c5167a64de30c797672e4c"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a1341b29865c5167a64de30c797672e4c">operations_research::Domain::InverseMultiplicationBy</a></div><div class="ttdeci">Domain InverseMultiplicationBy(const int64_t 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#l00457">sorted_interval_list.cc:457</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a1e3aa02e2d8300db5f1fc12f6b3228fa"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a1e3aa02e2d8300db5f1fc12f6b3228fa">operations_research::Domain::Negation</a></div><div class="ttdeci">Domain Negation() const</div><div class="ttdoc">Returns {x ∈ Int64, ∃ e ∈ D, x = -e}.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00276">sorted_interval_list.cc:276</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a1f922def1b57974333f228818cd04e68"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a1f922def1b57974333f228818cd04e68">operations_research::Domain::IsIncludedIn</a></div><div class="ttdeci">bool IsIncludedIn(const Domain &domain) const</div><div class="ttdoc">Returns true iff D is included in the given domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00247">sorted_interval_list.cc:247</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a22c6c2f121586b5d76feb4b0e536dfde"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a22c6c2f121586b5d76feb4b0e536dfde">operations_research::Domain::Contains</a></div><div class="ttdeci">bool Contains(int64_t 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#l00236">sorted_interval_list.cc:236</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a2fe0f92e6c1681f46239c1b14d091dea"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a2fe0f92e6c1681f46239c1b14d091dea">operations_research::Domain::ContinuousMultiplicationBy</a></div><div class="ttdeci">Domain ContinuousMultiplicationBy(int64_t coeff) const</div><div class="ttdoc">Returns a superset of MultiplicationBy() to avoid the explosion in the representation size.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00413">sorted_interval_list.cc:413</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a46d31d56136315d2894193c3ac74ec66"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a46d31d56136315d2894193c3ac74ec66">operations_research::Domain::FixedValue</a></div><div class="ttdeci">int64_t FixedValue() const</div><div class="ttdoc">Returns the value of a fixed domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00231">sorted_interval_list.cc:231</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#l00347">sorted_interval_list.cc:347</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a63a708c626b59b4504ddb879496c894e"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a63a708c626b59b4504ddb879496c894e">operations_research::Domain::MultiplicationBy</a></div><div class="ttdeci">Domain MultiplicationBy(int64_t 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#l00376">sorted_interval_list.cc:376</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a826a01cb8175850ff6e5b833e4689959"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a826a01cb8175850ff6e5b833e4689959">operations_research::Domain::IsFixed</a></div><div class="ttdeci">bool IsFixed() const</div><div class="ttdoc">Returns true iff the domain is reduced to a single value.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00194">sorted_interval_list.cc:194</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#l00297">sorted_interval_list.cc:297</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_a8cf21a67f7d81a800ff912239bb2db64"><div class="ttname"><a href="classoperations__research_1_1_domain.html#a8cf21a67f7d81a800ff912239bb2db64">operations_research::Domain::Min</a></div><div class="ttdeci">int64_t 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#l00208">sorted_interval_list.cc:208</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#l00192">sorted_interval_list.cc:192</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_aa74ea8cd1b0767659f704b482d07c103"><div class="ttname"><a href="classoperations__research_1_1_domain.html#aa74ea8cd1b0767659f704b482d07c103">operations_research::Domain::Max</a></div><div class="ttdeci">int64_t 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#l00213">sorted_interval_list.cc:213</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_abd2c59687cc53dda333d0f18c457389b"><div class="ttname"><a href="classoperations__research_1_1_domain.html#abd2c59687cc53dda333d0f18c457389b">operations_research::Domain::RelaxIfTooComplex</a></div><div class="ttdeci">Domain RelaxIfTooComplex() const</div><div class="ttdoc">If NumIntervals() is too large, this return a superset of the domain.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00368">sorted_interval_list.cc:368</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_domain_html_aee800549042643f64022ca6a1e554fa4"><div class="ttname"><a href="classoperations__research_1_1_domain.html#aee800549042643f64022ca6a1e554fa4">operations_research::Domain::SimplifyUsingImpliedDomain</a></div><div class="ttdeci">Domain SimplifyUsingImpliedDomain(const Domain &implied_domain) const</div><div class="ttdoc">Advanced usage.</div><div class="ttdef"><b>Definition:</b> <a href="sorted__interval__list_8cc_source.html#l00526">sorted_interval_list.cc:526</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_math_util_html_ae94db7b2fa1d8e1b3c1dc6c683191609"><div class="ttname"><a href="classoperations__research_1_1_math_util.html#ae94db7b2fa1d8e1b3c1dc6c683191609">operations_research::MathUtil::GCD64</a></div><div class="ttdeci">static int64_t GCD64(int64_t x, int64_t y)</div><div class="ttdef"><b>Definition:</b> <a href="mathutil_8h_source.html#l00107">mathutil.h:107</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_logger_html"><div class="ttname"><a href="classoperations__research_1_1_solver_logger.html">operations_research::SolverLogger</a></div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00033">util/logging.h:33</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_logger_html_a9492cb97f5ec0ecbce0b5ef1b085738b"><div class="ttname"><a href="classoperations__research_1_1_solver_logger.html#a9492cb97f5ec0ecbce0b5ef1b085738b">operations_research::SolverLogger::LoggingIsEnabled</a></div><div class="ttdeci">bool LoggingIsEnabled() const</div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00042">util/logging.h:42</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_time_limit.html">operations_research::TimeLimit</a></div><div class="ttdoc">A simple class to enforce both an elapsed time limit and a deterministic time limit in the same threa...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00106">time_limit.h:106</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_bool_argument_proto_html_a6621d62d6f9a24a33e9f33c46d7666eb"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_bool_argument_proto.html#a6621d62d6f9a24a33e9f33c46d7666eb">operations_research::sat::BoolArgumentProto::add_literals</a></div><div class="ttdeci">void add_literals(int32_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07164">cp_model.pb.h:7164</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_proto_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_proto.html">operations_research::sat::ConstraintProto</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l03772">cp_model.pb.h:3773</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_proto_html_a2ec4b0b15e694caaaa842243694c51f5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_proto.html#a2ec4b0b15e694caaaa842243694c51f5">operations_research::sat::ConstraintProto::interval</a></div><div class="ttdeci">const ::operations_research::sat::IntervalConstraintProto & interval() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l10875">cp_model.pb.h:10875</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_proto_html_a6d1f941c5f8b326673ffd58eb9b1f0ab"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_proto.html#a6d1f941c5f8b326673ffd58eb9b1f0ab">operations_research::sat::ConstraintProto::linear</a></div><div class="ttdeci">const ::operations_research::sat::LinearConstraintProto & linear() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l10209">cp_model.pb.h:10209</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_proto_html_a874993db797768f3f6f3124dd281bf5b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_proto.html#a874993db797768f3f6f3124dd281bf5b">operations_research::sat::ConstraintProto::enforcement_literal</a></div><div class="ttdeci">int32_t enforcement_literal(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l09472">cp_model.pb.h:9472</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_proto_html_a89be1146e4b049716ff118ceff2b3634"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_proto.html#a89be1146e4b049716ff118ceff2b3634">operations_research::sat::ConstraintProto::mutable_enforcement_literal</a></div><div class="ttdeci">::PROTOBUF_NAMESPACE_ID::RepeatedField< int32_t > * mutable_enforcement_literal()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l09501">cp_model.pb.h:9501</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_proto_html_ad653c55b371ae98444295965c6622ddb"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_proto.html#ad653c55b371ae98444295965c6622ddb">operations_research::sat::ConstraintProto::mutable_linear</a></div><div class="ttdeci">::operations_research::sat::LinearConstraintProto * mutable_linear()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l10240">cp_model.pb.h:10240</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_proto_html_adc450f71ba783e672ec00375c12286cf"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_proto.html#adc450f71ba783e672ec00375c12286cf">operations_research::sat::ConstraintProto::add_enforcement_literal</a></div><div class="ttdeci">void add_enforcement_literal(int32_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l09483">cp_model.pb.h:9483</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_proto_html_ae26e2a099b411b50dd1d4c6605837d0a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_proto.html#ae26e2a099b411b50dd1d4c6605837d0a">operations_research::sat::ConstraintProto::mutable_bool_or</a></div><div class="ttdeci">::operations_research::sat::BoolArgumentProto * mutable_bool_or()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l09574">cp_model.pb.h:9574</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_mapping_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_mapping.html">operations_research::sat::CpModelMapping</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__mapping_8h_source.html#l00065">cp_model_mapping.h:65</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html">operations_research::sat::CpModelProto</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l06111">cp_model.pb.h:6112</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_a2787b866382b560920d55ce5cf129920"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a2787b866382b560920d55ce5cf129920">operations_research::sat::CpModelProto::objective</a></div><div class="ttdeci">const ::operations_research::sat::CpObjectiveProto & objective() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12319">cp_model.pb.h:12319</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_a6a4544ca20489d70e302f5d6d374a012"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a6a4544ca20489d70e302f5d6d374a012">operations_research::sat::CpModelProto::variables</a></div><div class="ttdeci">const ::operations_research::sat::IntegerVariableProto & variables(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12243">cp_model.pb.h:12243</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_a6b09c0d4dd973cdfd3fae9a6101e48c0"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a6b09c0d4dd973cdfd3fae9a6101e48c0">operations_research::sat::CpModelProto::has_floating_point_objective</a></div><div class="ttdeci">bool has_floating_point_objective() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12395">cp_model.pb.h:12395</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_a777a6e330a22a8889389cb9b9c9f12d6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a777a6e330a22a8889389cb9b9c9f12d6">operations_research::sat::CpModelProto::has_objective</a></div><div class="ttdeci">bool has_objective() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12305">cp_model.pb.h:12305</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_a7d307810a396bdab9e7fb8aecec74e44"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#a7d307810a396bdab9e7fb8aecec74e44">operations_research::sat::CpModelProto::clear_floating_point_objective</a></div><div class="ttdeci">void clear_floating_point_objective()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12398">cp_model.pb.h:12398</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_ab9746c6070379e1990d2fd2da7586398"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ab9746c6070379e1990d2fd2da7586398">operations_research::sat::CpModelProto::mutable_variables</a></div><div class="ttdeci">::operations_research::sat::IntegerVariableProto * mutable_variables(int index)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12231">cp_model.pb.h:12231</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_abef5f55c3278c137faca92b8e433f8ea"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#abef5f55c3278c137faca92b8e433f8ea">operations_research::sat::CpModelProto::variables_size</a></div><div class="ttdeci">int variables_size() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12225">cp_model.pb.h:12225</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_ac01de597eeeff5521a8bf54568bf1373"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ac01de597eeeff5521a8bf54568bf1373">operations_research::sat::CpModelProto::add_constraints</a></div><div class="ttdeci">::operations_research::sat::ConstraintProto * add_constraints()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12290">cp_model.pb.h:12290</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_ac16c942cff3caef55a87cee16498344b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ac16c942cff3caef55a87cee16498344b">operations_research::sat::CpModelProto::floating_point_objective</a></div><div class="ttdeci">const ::operations_research::sat::FloatObjectiveProto & floating_point_objective() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12409">cp_model.pb.h:12409</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_ad03d1e2f94c4ca4c8004ac5355e6504a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ad03d1e2f94c4ca4c8004ac5355e6504a">operations_research::sat::CpModelProto::add_variables</a></div><div class="ttdeci">::operations_research::sat::IntegerVariableProto * add_variables()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12250">cp_model.pb.h:12250</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_ad3badc7aa3d94e81e0126edbfa452fda"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#ad3badc7aa3d94e81e0126edbfa452fda">operations_research::sat::CpModelProto::mutable_objective</a></div><div class="ttdeci">::operations_research::sat::CpObjectiveProto * mutable_objective()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12366">cp_model.pb.h:12366</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_aeaf0da781ca9b370d96b7fbd3f74266a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#aeaf0da781ca9b370d96b7fbd3f74266a">operations_research::sat::CpModelProto::constraints_size</a></div><div class="ttdeci">int constraints_size() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12265">cp_model.pb.h:12265</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_model_proto_html_afce66afa8ae7776a449bba7313ea3559"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_model_proto.html#afce66afa8ae7776a449bba7313ea3559">operations_research::sat::CpModelProto::constraints</a></div><div class="ttdeci">const ::operations_research::sat::ConstraintProto & constraints(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l12283">cp_model.pb.h:12283</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html">operations_research::sat::CpObjectiveProto</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l04469">cp_model.pb.h:4470</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_a06a99a40cbd48fec5a10b7096f0a027d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a06a99a40cbd48fec5a10b7096f0a027d">operations_research::sat::CpObjectiveProto::clear_coeffs</a></div><div class="ttdeci">void clear_coeffs()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11275">cp_model.pb.h:11275</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_a4b9572c4b6c4b51f1e98efdcd69a7d0f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a4b9572c4b6c4b51f1e98efdcd69a7d0f">operations_research::sat::CpObjectiveProto::add_coeffs</a></div><div class="ttdeci">void add_coeffs(int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11292">cp_model.pb.h:11292</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_a52d17efda66accf5a25aab163625e0dc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a52d17efda66accf5a25aab163625e0dc">operations_research::sat::CpObjectiveProto::add_vars</a></div><div class="ttdeci">void add_vars(int32_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11245">cp_model.pb.h:11245</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_a76c521af56ab0e96eb06deeb679f46f7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a76c521af56ab0e96eb06deeb679f46f7">operations_research::sat::CpObjectiveProto::vars_size</a></div><div class="ttdeci">int vars_size() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11225">cp_model.pb.h:11225</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_a7d8011ca186f4ad850fcd0e2278d278c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a7d8011ca186f4ad850fcd0e2278d278c">operations_research::sat::CpObjectiveProto::domain</a></div><div class="ttdeci">int64_t domain(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11368">cp_model.pb.h:11368</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_a81a65d7e582fb45427e0ffe69666bad9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a81a65d7e582fb45427e0ffe69666bad9">operations_research::sat::CpObjectiveProto::vars</a></div><div class="ttdeci">int32_t vars(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11234">cp_model.pb.h:11234</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_a821ea964897901bfecffe8325b225736"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a821ea964897901bfecffe8325b225736">operations_research::sat::CpObjectiveProto::coeffs</a></div><div class="ttdeci">int64_t coeffs(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11281">cp_model.pb.h:11281</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_a96ffc785b7b2135c7980c985883ffdd3"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a96ffc785b7b2135c7980c985883ffdd3">operations_research::sat::CpObjectiveProto::offset</a></div><div class="ttdeci">double offset() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11322">cp_model.pb.h:11322</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_a9e32504c3f1bddb0f25f1386ecf7987b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#a9e32504c3f1bddb0f25f1386ecf7987b">operations_research::sat::CpObjectiveProto::scaling_factor</a></div><div class="ttdeci">double scaling_factor() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11342">cp_model.pb.h:11342</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_aae394cb473e8db12a0949a1770db3bb9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#aae394cb473e8db12a0949a1770db3bb9">operations_research::sat::CpObjectiveProto::set_integer_scaling_factor</a></div><div class="ttdeci">void set_integer_scaling_factor(int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11457">cp_model.pb.h:11457</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_ab1a05788afa206a0fd73ba052ac18520"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#ab1a05788afa206a0fd73ba052ac18520">operations_research::sat::CpObjectiveProto::clear_vars</a></div><div class="ttdeci">void clear_vars()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11228">cp_model.pb.h:11228</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_ab3242057dcb3b3006adcf4bfffeaddff"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#ab3242057dcb3b3006adcf4bfffeaddff">operations_research::sat::CpObjectiveProto::integer_scaling_factor</a></div><div class="ttdeci">int64_t integer_scaling_factor() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11449">cp_model.pb.h:11449</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_ac7453c28e1da85ea4728b31419c0d6b7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#ac7453c28e1da85ea4728b31419c0d6b7">operations_research::sat::CpObjectiveProto::set_offset</a></div><div class="ttdeci">void set_offset(double value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11330">cp_model.pb.h:11330</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_adbc3a11a0648c24b857049dd24e0e463"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#adbc3a11a0648c24b857049dd24e0e463">operations_research::sat::CpObjectiveProto::set_integer_offset</a></div><div class="ttdeci">void set_integer_offset(int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11437">cp_model.pb.h:11437</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_ae878135a2dba8f7b147560cf8b15c885"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#ae878135a2dba8f7b147560cf8b15c885">operations_research::sat::CpObjectiveProto::integer_offset</a></div><div class="ttdeci">int64_t integer_offset() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11429">cp_model.pb.h:11429</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_cp_objective_proto_html_af02334eb54337092e11b9a74312a4c25"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_cp_objective_proto.html#af02334eb54337092e11b9a74312a4c25">operations_research::sat::CpObjectiveProto::set_scaling_factor</a></div><div class="ttdeci">void set_scaling_factor(double value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l11350">cp_model.pb.h:11350</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_encoder_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_encoder.html">operations_research::sat::IntegerEncoder</a></div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00356">integer.h:356</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_variable_proto_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_variable_proto.html">operations_research::sat::IntegerVariableProto</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00272">cp_model.pb.h:273</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_integer_variable_proto_html_abd89087d68515434d861e10adb0f055e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_integer_variable_proto.html#abd89087d68515434d861e10adb0f055e">operations_research::sat::IntegerVariableProto::add_domain</a></div><div class="ttdeci">void add_domain(int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07113">cp_model.pb.h:7113</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_interval_constraint_proto_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_interval_constraint_proto.html">operations_research::sat::IntervalConstraintProto</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l01526">cp_model.pb.h:1527</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_proto_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html">operations_research::sat::LinearConstraintProto</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l01134">cp_model.pb.h:1135</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_proto_html_a185aece75e6d7a0a1d8e7499a7a50560"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a185aece75e6d7a0a1d8e7499a7a50560">operations_research::sat::LinearConstraintProto::mutable_coeffs</a></div><div class="ttdeci">::PROTOBUF_NAMESPACE_ID::RepeatedField< int64_t > * mutable_coeffs()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07576">cp_model.pb.h:7576</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_proto_html_a4b9572c4b6c4b51f1e98efdcd69a7d0f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a4b9572c4b6c4b51f1e98efdcd69a7d0f">operations_research::sat::LinearConstraintProto::add_coeffs</a></div><div class="ttdeci">void add_coeffs(int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07558">cp_model.pb.h:7558</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_proto_html_a52d17efda66accf5a25aab163625e0dc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a52d17efda66accf5a25aab163625e0dc">operations_research::sat::LinearConstraintProto::add_vars</a></div><div class="ttdeci">void add_vars(int32_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07511">cp_model.pb.h:7511</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_proto_html_a81a65d7e582fb45427e0ffe69666bad9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a81a65d7e582fb45427e0ffe69666bad9">operations_research::sat::LinearConstraintProto::vars</a></div><div class="ttdeci">int32_t vars(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07500">cp_model.pb.h:7500</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_proto_html_a821ea964897901bfecffe8325b225736"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a821ea964897901bfecffe8325b225736">operations_research::sat::LinearConstraintProto::coeffs</a></div><div class="ttdeci">int64_t coeffs(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07547">cp_model.pb.h:7547</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_proto_html_a903f6ead1087d8433f23518e29c4405c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#a903f6ead1087d8433f23518e29c4405c">operations_research::sat::LinearConstraintProto::mutable_vars</a></div><div class="ttdeci">::PROTOBUF_NAMESPACE_ID::RepeatedField< int32_t > * mutable_vars()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07529">cp_model.pb.h:7529</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_constraint_proto_html_abd89087d68515434d861e10adb0f055e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_constraint_proto.html#abd89087d68515434d861e10adb0f055e">operations_research::sat::LinearConstraintProto::add_domain</a></div><div class="ttdeci">void add_domain(int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07605">cp_model.pb.h:7605</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_expression_proto_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_expression_proto.html">operations_research::sat::LinearExpressionProto</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00608">cp_model.pb.h:609</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_expression_proto_html_a76c521af56ab0e96eb06deeb679f46f7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a76c521af56ab0e96eb06deeb679f46f7">operations_research::sat::LinearExpressionProto::vars_size</a></div><div class="ttdeci">int vars_size() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07195">cp_model.pb.h:7195</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_expression_proto_html_a81a65d7e582fb45427e0ffe69666bad9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a81a65d7e582fb45427e0ffe69666bad9">operations_research::sat::LinearExpressionProto::vars</a></div><div class="ttdeci">int32_t vars(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07204">cp_model.pb.h:7204</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_expression_proto_html_a821ea964897901bfecffe8325b225736"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#a821ea964897901bfecffe8325b225736">operations_research::sat::LinearExpressionProto::coeffs</a></div><div class="ttdeci">int64_t coeffs(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07251">cp_model.pb.h:7251</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_linear_expression_proto_html_aa5753f19d2045582bbf7b95955965d6b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_linear_expression_proto.html#aa5753f19d2045582bbf7b95955965d6b">operations_research::sat::LinearExpressionProto::offset</a></div><div class="ttdeci">int64_t offset() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l07292">cp_model.pb.h:7292</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html">operations_research::sat::Model</a></div><div class="ttdoc">Class that owns everything related to a particular optimization model.</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00038">sat/model.h:38</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html_a7fac5de5604ea8668bc414536e8aa7ee"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html#a7fac5de5604ea8668bc414536e8aa7ee">operations_research::sat::Model::Register</a></div><div class="ttdeci">void Register(T *non_owned_class)</div><div class="ttdoc">Register a non-owned class that will be "singleton" in the model.</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00169">sat/model.h:169</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html_afb0c03e2a6201677c266f8a7eb77c2dc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html#afb0c03e2a6201677c266f8a7eb77c2dc">operations_research::sat::Model::GetOrCreate</a></div><div class="ttdeci">T * GetOrCreate()</div><div class="ttdoc">Returns an object of type T that is unique to this model (like a "local" singleton).</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00106">sat/model.h:106</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_random_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model_random_generator.html">operations_research::sat::ModelRandomGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="sat_2util_8h_source.html#l00086">sat/util.h:86</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html">operations_research::sat::PresolveContext</a></div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00072">presolve_context.h:72</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a0000c1621c1de75511d17c9d14aae0e8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a0000c1621c1de75511d17c9d14aae0e8">operations_research::sat::PresolveContext::VariableIsRemovable</a></div><div class="ttdeci">bool VariableIsRemovable(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00320">presolve_context.cc:320</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a00f995618e00d575372ff823a12553a9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a00f995618e00d575372ff823a12553a9">operations_research::sat::PresolveContext::MaxOf</a></div><div class="ttdeci">int64_t MaxOf(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00121">presolve_context.cc:121</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a0106fb380cd3f9c642575e6318e95f07"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a0106fb380cd3f9c642575e6318e95f07">operations_research::sat::PresolveContext::CanonicalizeAffineVariable</a></div><div class="ttdeci">bool CanonicalizeAffineVariable(int ref, int64_t coeff, int64_t mod, int64_t rhs)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00805">presolve_context.cc:805</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a02302d3a45d02003dcbf288d045ebd86"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a02302d3a45d02003dcbf288d045ebd86">operations_research::sat::PresolveContext::modified_domains</a></div><div class="ttdeci">SparseBitset< int64_t > modified_domains</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00534">presolve_context.h:534</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a02a3444590b38a8e99aba5eb8a1ca9d9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a02a3444590b38a8e99aba5eb8a1ca9d9">operations_research::sat::PresolveContext::AddToObjectiveOffset</a></div><div class="ttdeci">void AddToObjectiveOffset(int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01695">presolve_context.cc:1695</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a0481547ad6462a8cb545e2533bff1dc3"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a0481547ad6462a8cb545e2533bff1dc3">operations_research::sat::PresolveContext::ExpressionIsALiteral</a></div><div class="ttdeci">bool ExpressionIsALiteral(const LinearExpressionProto &expr, int *literal=nullptr) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00203">presolve_context.cc:203</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a058746ebd0b438afbdd49eb5bd290d8f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a058746ebd0b438afbdd49eb5bd290d8f">operations_research::sat::PresolveContext::IsFullyEncoded</a></div><div class="ttdeci">bool IsFullyEncoded(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01390">presolve_context.cc:1390</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a06f0856b91c0399720273b5da85ce280"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a06f0856b91c0399720273b5da85ce280">operations_research::sat::PresolveContext::StoreAbsRelation</a></div><div class="ttdeci">bool StoreAbsRelation(int target_ref, int ref)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01062">presolve_context.cc:1062</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a0967c575f9db0c79ed2e7930a0d6a091"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a0967c575f9db0c79ed2e7930a0d6a091">operations_research::sat::PresolveContext::NewBoolVar</a></div><div class="ttdeci">int NewBoolVar()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00049">presolve_context.cc:49</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a0d7555344bad8a6d860796d76df34c31"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a0d7555344bad8a6d860796d76df34c31">operations_research::sat::PresolveContext::VariableWithCostIsUnique</a></div><div class="ttdeci">bool VariableWithCostIsUnique(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00336">presolve_context.cc:336</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a100a8cc947bbdb3fd264d42eeeeaa849"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a100a8cc947bbdb3fd264d42eeeeaa849">operations_research::sat::PresolveContext::ConstraintIsInactive</a></div><div class="ttdeci">bool ConstraintIsInactive(int ct_index) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00492">presolve_context.cc:492</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a11f5290ed8216eea13b9d7383cb4c55f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a11f5290ed8216eea13b9d7383cb4c55f">operations_research::sat::PresolveContext::ConstraintVariableUsageIsConsistent</a></div><div class="ttdeci">bool ConstraintVariableUsageIsConsistent()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00601">presolve_context.cc:601</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a1aadaad9b8af16ab5a208c682e2e1717"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a1aadaad9b8af16ab5a208c682e2e1717">operations_research::sat::PresolveContext::AddImplication</a></div><div class="ttdeci">void AddImplication(int a, int b)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00063">presolve_context.cc:63</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a1e65dc236d5729de4938834d779d9f6f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a1e65dc236d5729de4938834d779d9f6f">operations_research::sat::PresolveContext::AddToObjective</a></div><div class="ttdeci">void AddToObjective(int var, int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01684">presolve_context.cc:1684</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a20097880105b02917a50dd5d97b80e55"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a20097880105b02917a50dd5d97b80e55">operations_research::sat::PresolveContext::IntersectDomainWith</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool IntersectDomainWith(int ref, const Domain &domain, bool *domain_modified=nullptr)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00423">presolve_context.cc:423</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a23aa815e8a7a860998c4d35760fa087e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a23aa815e8a7a860998c4d35760fa087e">operations_research::sat::PresolveContext::var_to_lb_only_constraints</a></div><div class="ttdeci">std::vector< absl::flat_hash_set< int > > var_to_lb_only_constraints</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00508">presolve_context.h:508</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a24b22e509fdbdb4cd49ccec6a88c46ab"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a24b22e509fdbdb4cd49ccec6a88c46ab">operations_research::sat::PresolveContext::ClearStats</a></div><div class="ttdeci">void ClearStats()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00040">presolve_context.cc:40</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a2563663eeef59c23110ae4e2a80d8c9f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a2563663eeef59c23110ae4e2a80d8c9f">operations_research::sat::PresolveContext::ConstraintVariableGraphIsUpToDate</a></div><div class="ttdeci">bool ConstraintVariableGraphIsUpToDate() const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00582">presolve_context.cc:582</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a2877bce637c80df492977b5b6487d563"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a2877bce637c80df492977b5b6487d563">operations_research::sat::PresolveContext::StoreLiteralImpliesVarNEqValue</a></div><div class="ttdeci">bool StoreLiteralImpliesVarNEqValue(int literal, int var, int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01368">presolve_context.cc:1368</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a2b7f0524381be1a7b01b5f707b98cb9a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a2b7f0524381be1a7b01b5f707b98cb9a">operations_research::sat::PresolveContext::GetOrCreateReifiedPrecedenceLiteral</a></div><div class="ttdeci">int GetOrCreateReifiedPrecedenceLiteral(const LinearExpressionProto &time_i, const LinearExpressionProto &time_j, int active_i, int active_j)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01882">presolve_context.cc:1882</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a2ff0654486b944d24ec212846d9ea4c1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a2ff0654486b944d24ec212846d9ea4c1">operations_research::sat::PresolveContext::CanonicalizeObjective</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool CanonicalizeObjective(bool simplify_domain=true)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01549">presolve_context.cc:1549</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a307dddcaccf0a7efca0143d0cdf0cacd"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a307dddcaccf0a7efca0143d0cdf0cacd">operations_research::sat::PresolveContext::StoreBooleanEqualityRelation</a></div><div class="ttdeci">bool StoreBooleanEqualityRelation(int ref_a, int ref_b)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01039">presolve_context.cc:1039</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a308f62525f1941cc6ef7f943bd2c4c18"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a308f62525f1941cc6ef7f943bd2c4c18">operations_research::sat::PresolveContext::StartMin</a></div><div class="ttdeci">int64_t StartMin(int ct_ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00268">presolve_context.cc:268</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a34e2cd343e0dfb06af9f67df8c4c3502"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a34e2cd343e0dfb06af9f67df8c4c3502">operations_research::sat::PresolveContext::VariableWithCostIsUniqueAndRemovable</a></div><div class="ttdeci">bool VariableWithCostIsUniqueAndRemovable(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00348">presolve_context.cc:348</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a36794cf424ca2d69bc4774437a61a88e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a36794cf424ca2d69bc4774437a61a88e">operations_research::sat::PresolveContext::WriteObjectiveToProto</a></div><div class="ttdeci">void WriteObjectiveToProto() const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01850">presolve_context.cc:1850</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a36a3dfcbe2bf048497070296b91ed97d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a36a3dfcbe2bf048497070296b91ed97d">operations_research::sat::PresolveContext::ExpressionIsSingleVariable</a></div><div class="ttdeci">bool ExpressionIsSingleVariable(const LinearExpressionProto &expr) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00198">presolve_context.cc:198</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a37770bda4577c8ad121d77d99a63cb0f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a37770bda4577c8ad121d77d99a63cb0f">operations_research::sat::PresolveContext::GetLiteralRepresentative</a></div><div class="ttdeci">int GetLiteralRepresentative(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01096">presolve_context.cc:1096</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a37ed950834f3f3b427a707631fd745f4"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a37ed950834f3f3b427a707631fd745f4">operations_research::sat::PresolveContext::SetLiteralToTrue</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool SetLiteralToTrue(int lit)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00488">presolve_context.cc:488</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a3bb6775f0bab3c01b35622e3ce68ab1d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a3bb6775f0bab3c01b35622e3ce68ab1d">operations_research::sat::PresolveContext::GetOrCreateAffineValueEncoding</a></div><div class="ttdeci">int GetOrCreateAffineValueEncoding(const LinearExpressionProto &expr, int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01476">presolve_context.cc:1476</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a40432f5ffa1ea8255071161d96f598d1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a40432f5ffa1ea8255071161d96f598d1">operations_research::sat::PresolveContext::LogInfo</a></div><div class="ttdeci">void LogInfo()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01986">presolve_context.cc:1986</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a46a91d63a8cc54d2d4d7660022eb1c87"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a46a91d63a8cc54d2d4d7660022eb1c87">operations_research::sat::PresolveContext::ScaleFloatingPointObjective</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool ScaleFloatingPointObjective()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00786">presolve_context.cc:786</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a47714f887512a3d7acebfcb4a348291a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a47714f887512a3d7acebfcb4a348291a">operations_research::sat::PresolveContext::var_to_ub_only_constraints</a></div><div class="ttdeci">std::vector< absl::flat_hash_set< int > > var_to_ub_only_constraints</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00507">presolve_context.h:507</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a4bf47c6b5724e9a3a7df78486f9bdc41"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a4bf47c6b5724e9a3a7df78486f9bdc41">operations_research::sat::PresolveContext::SubstituteVariableInObjective</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool SubstituteVariableInObjective(int var_in_equality, int64_t coeff_in_equality, const ConstraintProto &equality, std::vector< int > *new_vars_in_objective=nullptr)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01702">presolve_context.cc:1702</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a4f9423ff72ed20e477fff16e8887df96"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a4f9423ff72ed20e477fff16e8887df96">operations_research::sat::PresolveContext::GetOrCreateVarValueEncoding</a></div><div class="ttdeci">int GetOrCreateVarValueEncoding(int ref, int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01404">presolve_context.cc:1404</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a52bccf051bec19d96584096844070eaa"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a52bccf051bec19d96584096844070eaa">operations_research::sat::PresolveContext::UpdateNewConstraintsVariableUsage</a></div><div class="ttdeci">void UpdateNewConstraintsVariableUsage()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00586">presolve_context.cc:586</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a54cf7f0077717d59a828b656b60c1615"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a54cf7f0077717d59a828b656b60c1615">operations_research::sat::PresolveContext::VariableIsUniqueAndRemovable</a></div><div class="ttdeci">bool VariableIsUniqueAndRemovable(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00330">presolve_context.cc:330</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a5763f8709716596a3aa728bacae05a7b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a5763f8709716596a3aa728bacae05a7b">operations_research::sat::PresolveContext::RemoveVariableFromAffineRelation</a></div><div class="ttdeci">void RemoveVariableFromAffineRelation(int var)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00747">presolve_context.cc:747</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a5aa53538ba8adaa0bea1c3c0727425b0"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a5aa53538ba8adaa0bea1c3c0727425b0">operations_research::sat::PresolveContext::NotifyThatModelIsUnsat</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool NotifyThatModelIsUnsat(const std::string &message="")</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00193">presolve_context.h:193</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a5c2f01871b9baa2bc0dc556803c5a1ad"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a5c2f01871b9baa2bc0dc556803c5a1ad">operations_research::sat::PresolveContext::PropagateAffineRelation</a></div><div class="ttdeci">bool PropagateAffineRelation(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00716">presolve_context.cc:716</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a5cc6a3ed49ec11734164c7ef646b15d5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a5cc6a3ed49ec11734164c7ef646b15d5">operations_research::sat::PresolveContext::EndMin</a></div><div class="ttdeci">int64_t EndMin(int ct_ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00280">presolve_context.cc:280</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a5e86fd5ce0fc653d355ab7303f373e00"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a5e86fd5ce0fc653d355ab7303f373e00">operations_research::sat::PresolveContext::DomainOf</a></div><div class="ttdeci">Domain DomainOf(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00396">presolve_context.cc:396</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a5f9c1ea2555cc36fcd716296e54ed17a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a5f9c1ea2555cc36fcd716296e54ed17a">operations_research::sat::PresolveContext::num_presolve_operations</a></div><div class="ttdeci">int64_t num_presolve_operations</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00525">presolve_context.h:525</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a62cd771660767621e917b2c256182c4e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a62cd771660767621e917b2c256182c4e">operations_research::sat::PresolveContext::InitializeNewDomains</a></div><div class="ttdeci">void InitializeNewDomains()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01159">presolve_context.cc:1159</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a6387e91b098c081f059892e1346a29ed"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a6387e91b098c081f059892e1346a29ed">operations_research::sat::PresolveContext::GetVariableRepresentative</a></div><div class="ttdeci">int GetVariableRepresentative(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01125">presolve_context.cc:1125</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a66810fcd97b5e9c5fd745226607cd7aa"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a66810fcd97b5e9c5fd745226607cd7aa">operations_research::sat::PresolveContext::AffineRelationDebugString</a></div><div class="ttdeci">std::string AffineRelationDebugString(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01152">presolve_context.cc:1152</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a67699a1a5830ef51dab6941449b02044"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a67699a1a5830ef51dab6941449b02044">operations_research::sat::PresolveContext::NewIntVar</a></div><div class="ttdeci">int NewIntVar(const Domain &domain)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00042">presolve_context.cc:42</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a6939dc7b9db01cf3deff10405e260461"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a6939dc7b9db01cf3deff10405e260461">operations_research::sat::PresolveContext::MarkVariableAsRemoved</a></div><div class="ttdeci">void MarkVariableAsRemoved(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00362">presolve_context.cc:362</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a69fea604a632b4b91ed950a0e622489c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a69fea604a632b4b91ed950a0e622489c">operations_research::sat::PresolveContext::InsertVarValueEncoding</a></div><div class="ttdeci">bool InsertVarValueEncoding(int literal, int ref, int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01351">presolve_context.cc:1351</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a6dbf60b03175ebeb45b650fb76b53dbc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a6dbf60b03175ebeb45b650fb76b53dbc">operations_research::sat::PresolveContext::WriteVariableDomainsToProto</a></div><div class="ttdeci">void WriteVariableDomainsToProto() const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01876">presolve_context.cc:1876</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a77e37831a01ff737a7b5bd7e12c2ecf7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a77e37831a01ff737a7b5bd7e12c2ecf7">operations_research::sat::PresolveContext::DomainIsEmpty</a></div><div class="ttdeci">bool DomainIsEmpty(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00082">presolve_context.cc:82</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a7b54dd25e40790d8161c7e7b5ba64242"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a7b54dd25e40790d8161c7e7b5ba64242">operations_research::sat::PresolveContext::CanonicalizeVariable</a></div><div class="ttdeci">void CanonicalizeVariable(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00775">presolve_context.cc:775</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a7ea7bb314db4dbe4f3b2cac16a2af20f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a7ea7bb314db4dbe4f3b2cac16a2af20f">operations_research::sat::PresolveContext::CanonicalizeDomainOfSizeTwo</a></div><div class="ttdeci">void CanonicalizeDomainOfSizeTwo(int var)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01175">presolve_context.cc:1175</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a83cb3816d487395542f17a17776b9a1a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a83cb3816d487395542f17a17776b9a1a">operations_research::sat::PresolveContext::StartMax</a></div><div class="ttdeci">int64_t StartMax(int ct_ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00274">presolve_context.cc:274</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a8851194fe8ce04aab258d31f06c472e2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a8851194fe8ce04aab258d31f06c472e2">operations_research::sat::PresolveContext::FixedValue</a></div><div class="ttdeci">int64_t FixedValue(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00127">presolve_context.cc:127</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a890f923209473cf55ac002d1b14bd9e2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a890f923209473cf55ac002d1b14bd9e2">operations_research::sat::PresolveContext::LiteralIsTrue</a></div><div class="ttdeci">bool LiteralIsTrue(int lit) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00097">presolve_context.cc:97</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a8d58acb908ccc68472fe1a162957086a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a8d58acb908ccc68472fe1a162957086a">operations_research::sat::PresolveContext::GetReifiedPrecedenceKey</a></div><div class="ttdeci">std::tuple< int, int64_t, int, int64_t, int64_t, int, int > GetReifiedPrecedenceKey(const LinearExpressionProto &time_i, const LinearExpressionProto &time_j, int active_i, int active_j)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01963">presolve_context.cc:1963</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a928c29f37c6ed9d5bba711f905783417"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a928c29f37c6ed9d5bba711f905783417">operations_research::sat::PresolveContext::working_model</a></div><div class="ttdeci">CpModelProto * working_model</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00510">presolve_context.h:510</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a9925335988ccbe70e9150a9ce71b9952"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a9925335988ccbe70e9150a9ce71b9952">operations_research::sat::PresolveContext::HasVarValueEncoding</a></div><div class="ttdeci">bool HasVarValueEncoding(int ref, int64_t value, int *literal=nullptr)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01375">presolve_context.cc:1375</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a9da1edd6532c2c2b0c09544eade57805"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a9da1edd6532c2c2b0c09544eade57805">operations_research::sat::PresolveContext::IntervalIsConstant</a></div><div class="ttdeci">bool IntervalIsConstant(int ct_ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00226">presolve_context.cc:226</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a9dd01897679ba54fca524a3b0b7d5612"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a9dd01897679ba54fca524a3b0b7d5612">operations_research::sat::PresolveContext::DomainContains</a></div><div class="ttdeci">bool DomainContains(int ref, int64_t value) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00406">presolve_context.cc:406</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_a9f3443b281c705edf1779f746637ad9b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#a9f3443b281c705edf1779f746637ad9b">operations_research::sat::PresolveContext::LiteralIsFalse</a></div><div class="ttdeci">bool LiteralIsFalse(int lit) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00106">presolve_context.cc:106</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_aa49a8967edab300018eeaa14a27b7210"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#aa49a8967edab300018eeaa14a27b7210">operations_research::sat::PresolveContext::UpdateRuleStats</a></div><div class="ttdeci">void UpdateRuleStats(const std::string &name, int num_times=1)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00514">presolve_context.cc:514</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_aabb328e6969888226a7a69a972e22c56"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#aabb328e6969888226a7a69a972e22c56">operations_research::sat::PresolveContext::RemoveAllVariablesFromAffineRelationConstraint</a></div><div class="ttdeci">void RemoveAllVariablesFromAffineRelationConstraint()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00738">presolve_context.cc:738</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_aaddc5f58e8a40a5a308531949153f814"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#aaddc5f58e8a40a5a308531949153f814">operations_research::sat::PresolveContext::GetAffineRelation</a></div><div class="ttdeci">AffineRelation::Relation GetAffineRelation(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01135">presolve_context.cc:1135</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_aaed725b098e5d931862a74b496564e37"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#aaed725b098e5d931862a74b496564e37">operations_research::sat::PresolveContext::RemoveVariableFromObjective</a></div><div class="ttdeci">void RemoveVariableFromObjective(int var)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01679">presolve_context.cc:1679</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ab246112417bad87cb948820e304208ab"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ab246112417bad87cb948820e304208ab">operations_research::sat::PresolveContext::VariableIsNotUsedAnymore</a></div><div class="ttdeci">bool VariableIsNotUsedAnymore(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00357">presolve_context.cc:357</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ab75a27c0aeda2de9c3957719b8196c36"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ab75a27c0aeda2de9c3957719b8196c36">operations_research::sat::PresolveContext::UpdateConstraintVariableUsage</a></div><div class="ttdeci">void UpdateConstraintVariableUsage(int c)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00548">presolve_context.cc:548</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ab7b13b808e3dea6fc1e4006f7134e9f9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ab7b13b808e3dea6fc1e4006f7134e9f9">operations_research::sat::PresolveContext::keep_all_feasible_solutions</a></div><div class="ttdeci">bool keep_all_feasible_solutions</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00518">presolve_context.h:518</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_abb6eb29f56c3a33b8ae1b74b08b755c2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#abb6eb29f56c3a33b8ae1b74b08b755c2">operations_research::sat::PresolveContext::IsFixed</a></div><div class="ttdeci">bool IsFixed(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00086">presolve_context.cc:86</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_abd6f7af5d9b31061a7b03ec44488ea4c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#abd6f7af5d9b31061a7b03ec44488ea4c">operations_research::sat::PresolveContext::NumAffineRelations</a></div><div class="ttdeci">int NumAffineRelations() const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00284">presolve_context.h:284</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ac43d47cf9df6d6e9c8e8ffb7fc01c138"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ac43d47cf9df6d6e9c8e8ffb7fc01c138">operations_research::sat::PresolveContext::StoreAffineRelation</a></div><div class="ttdeci">bool StoreAffineRelation(int ref_x, int ref_y, int64_t coeff, int64_t offset, bool debug_no_recursion=false)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00865">presolve_context.cc:865</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_acb5ca2d891a58b6b9e55eee532c2557c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#acb5ca2d891a58b6b9e55eee532c2557c">operations_research::sat::PresolveContext::IntervalDebugString</a></div><div class="ttdeci">std::string IntervalDebugString(int ct_ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00242">presolve_context.cc:242</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_acb73a5ab7e240d5f93938262f2d8b826"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#acb73a5ab7e240d5f93938262f2d8b826">operations_research::sat::PresolveContext::NumEquivRelations</a></div><div class="ttdeci">int NumEquivRelations() const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00285">presolve_context.h:285</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ad0d1a630c07ba2321cf43d97a425bc30"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ad0d1a630c07ba2321cf43d97a425bc30">operations_research::sat::PresolveContext::SetLiteralToFalse</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool SetLiteralToFalse(int lit)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00482">presolve_context.cc:482</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ad1cddf8749d0ce1686f1f428926cfb1d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ad1cddf8749d0ce1686f1f428926cfb1d">operations_research::sat::PresolveContext::LiteralForExpressionMax</a></div><div class="ttdeci">int LiteralForExpressionMax(const LinearExpressionProto &expr) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00192">presolve_context.cc:192</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ad5e9882b154b8a7e8619b29c5631386e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ad5e9882b154b8a7e8619b29c5631386e">operations_research::sat::PresolveContext::RefDebugString</a></div><div class="ttdeci">std::string RefDebugString(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01147">presolve_context.cc:1147</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ad6ab55f6b68272caeaf24ff0d69818a4"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ad6ab55f6b68272caeaf24ff0d69818a4">operations_research::sat::PresolveContext::EndMax</a></div><div class="ttdeci">int64_t EndMax(int ct_ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00286">presolve_context.cc:286</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ad72f81052c0b904f369ac1cee7217b83"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ad72f81052c0b904f369ac1cee7217b83">operations_research::sat::PresolveContext::ConstraintIsOptional</a></div><div class="ttdeci">bool ConstraintIsOptional(int ct_ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00504">presolve_context.cc:504</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ada5d036ab04018d9ee3ed60888843102"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ada5d036ab04018d9ee3ed60888843102">operations_research::sat::PresolveContext::GetOrCreateConstantVar</a></div><div class="ttdeci">int GetOrCreateConstantVar(int64_t cst)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00051">presolve_context.cc:51</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_adff3b5f900c3d62132781fc25b54fb1a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#adff3b5f900c3d62132781fc25b54fb1a">operations_research::sat::PresolveContext::ExpressionIsAffineBoolean</a></div><div class="ttdeci">bool ExpressionIsAffineBoolean(const LinearExpressionProto &expr) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00186">presolve_context.cc:186</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ae3ad719e8a03c11498d2d0ab18558f95"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ae3ad719e8a03c11498d2d0ab18558f95">operations_research::sat::PresolveContext::SizeMax</a></div><div class="ttdeci">int64_t SizeMax(int ct_ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00298">presolve_context.cc:298</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ae42cae46d8792621471dd137bf9bb3cc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ae42cae46d8792621471dd137bf9bb3cc">operations_research::sat::PresolveContext::ExploitExactlyOneInObjective</a></div><div class="ttdeci">bool ExploitExactlyOneInObjective(absl::Span< const int > exactly_one)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01798">presolve_context.cc:1798</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ae58b8c61c87bd4625b0a5db975652151"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ae58b8c61c87bd4625b0a5db975652151">operations_research::sat::PresolveContext::ClearPrecedenceCache</a></div><div class="ttdeci">void ClearPrecedenceCache()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01982">presolve_context.cc:1982</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_ae7450e5b3b9b22663ec7e1fe0d82b6b9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#ae7450e5b3b9b22663ec7e1fe0d82b6b9">operations_research::sat::PresolveContext::DomainSuperSetOf</a></div><div class="ttdeci">Domain DomainSuperSetOf(const LinearExpressionProto &expr) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00176">presolve_context.cc:176</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_aed2a07aad05b4ad8e05cf5fe7b239a1a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#aed2a07aad05b4ad8e05cf5fe7b239a1a">operations_research::sat::PresolveContext::ReadObjectiveFromProto</a></div><div class="ttdeci">void ReadObjectiveFromProto()</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01495">presolve_context.cc:1495</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_aef0a687ec05a3e5dd7aa78745e9fb382"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#aef0a687ec05a3e5dd7aa78745e9fb382">operations_research::sat::PresolveContext::SizeMin</a></div><div class="ttdeci">int64_t SizeMin(int ct_ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00292">presolve_context.cc:292</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_af0280b2bda95804c4166638e7b490ce9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#af0280b2bda95804c4166638e7b490ce9">operations_research::sat::PresolveContext::AddImplyInDomain</a></div><div class="ttdeci">void AddImplyInDomain(int b, int x, const Domain &domain)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00070">presolve_context.cc:70</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_af188bac2776d4545aab9405f5c801cd8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#af188bac2776d4545aab9405f5c801cd8">operations_research::sat::PresolveContext::CanBeUsedAsLiteral</a></div><div class="ttdeci">bool CanBeUsedAsLiteral(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00092">presolve_context.cc:92</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_af248c1021eda72d628e2f3537eb98ded"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#af248c1021eda72d628e2f3537eb98ded">operations_research::sat::PresolveContext::VariableWasRemoved</a></div><div class="ttdeci">bool VariableWasRemoved(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00369">presolve_context.cc:369</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_af4847724208dd09ba3fea8b53132d197"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#af4847724208dd09ba3fea8b53132d197">operations_research::sat::PresolveContext::ExploitFixedDomain</a></div><div class="ttdeci">void ExploitFixedDomain(int var)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00694">presolve_context.cc:694</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_af597da31a1aed22d4bbd0e9398728a9b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#af597da31a1aed22d4bbd0e9398728a9b">operations_research::sat::PresolveContext::MinOf</a></div><div class="ttdeci">int64_t MinOf(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00115">presolve_context.cc:115</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_af7e074480c08f4887da40ca045624b6c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#af7e074480c08f4887da40ca045624b6c">operations_research::sat::PresolveContext::VariableIsOnlyUsedInEncodingAndMaybeInObjective</a></div><div class="ttdeci">bool VariableIsOnlyUsedInEncodingAndMaybeInObjective(int ref) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00387">presolve_context.cc:387</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_af97bdc26758ff0f27314cafb7c2d7044"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#af97bdc26758ff0f27314cafb7c2d7044">operations_research::sat::PresolveContext::GetAbsRelation</a></div><div class="ttdeci">bool GetAbsRelation(int target_ref, int *ref)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01077">presolve_context.cc:1077</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_presolve_context_html_afdf0f5e877efe4e1d003300f0ce1234f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_presolve_context.html#afdf0f5e877efe4e1d003300f0ce1234f">operations_research::sat::PresolveContext::StoreLiteralImpliesVarEqValue</a></div><div class="ttdeci">bool StoreLiteralImpliesVarEqValue(int literal, int var, int64_t value)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l01361">presolve_context.cc:1361</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_parameters_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_parameters.html">operations_research::sat::SatParameters</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__parameters_8pb_8h_source.html#l00347">sat_parameters.pb.h:348</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html">operations_research::sat::SatSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00058">sat_solver.h:58</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_saved_literal_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_saved_literal.html">operations_research::sat::SavedLiteral</a></div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00049">presolve_context.h:49</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_saved_literal_html_adf2db0610413d540ca6c4e4f1cce5fd6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_saved_literal.html#adf2db0610413d540ca6c4e4f1cce5fd6">operations_research::sat::SavedLiteral::Get</a></div><div class="ttdeci">int Get(PresolveContext *context) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00032">presolve_context.cc:32</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_saved_variable_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_saved_variable.html">operations_research::sat::SavedVariable</a></div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00060">presolve_context.h:60</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_saved_variable_html_adf2db0610413d540ca6c4e4f1cce5fd6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_saved_variable.html#adf2db0610413d540ca6c4e4f1cce5fd6">operations_research::sat::SavedVariable::Get</a></div><div class="ttdeci">int Get(PresolveContext *context) const</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l00036">presolve_context.cc:36</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_a9293e4d29cac928301645070dd307683"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683">b</a></div><div class="ttdeci">int64_t b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00047">constraint_solver/table.cc:47</a></div></div>
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<div class="ttc" id="aconstraint__solver_2table_8cc_html_acb18315d548212835cd8ed4287e6c0b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6">a</a></div><div class="ttdeci">int64_t a</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00046">constraint_solver/table.cc:46</a></div></div>
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<div class="ttc" id="acp__model_8pb_8h_html"><div class="ttname"><a href="cp__model_8pb_8h.html">cp_model.pb.h</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_aed003f5eb5197bc586b7ef2c36a63da2"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a></div><div class="ttdeci">CpModelProto proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00119">cp_model_fz_solver.cc:119</a></div></div>
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<div class="ttc" id="acp__model__loader_8h_html"><div class="ttname"><a href="cp__model__loader_8h.html">cp_model_loader.h</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a6ac76d8a372013f67c4973012948ec84"><div class="ttname"><a href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a></div><div class="ttdeci">CpModelProto const * model_proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l01939">cp_model_solver.cc:1939</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00813">default_search.cc:813</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_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#l00043">demon_profiler.cc:43</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00274">gurobi_interface.cc:274</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a5f287b83a753915ae862fed64f8640a6"><div class="ttname"><a href="gurobi__interface_8cc.html#a5f287b83a753915ae862fed64f8640a6">context</a></div><div class="ttdeci">GurobiMPCallbackContext * context</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00514">gurobi_interface.cc:514</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_ab4a2cbab234914b320b7fae11b6e8cb9"><div class="ttname"><a href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a></div><div class="ttdeci">const int INFO</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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<div class="ttc" id="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
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<div class="ttc" id="amathutil_8h_html"><div class="ttname"><a href="mathutil_8h.html">mathutil.h</a></div></div>
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<div class="ttc" id="anamespacegtl_html_a73f41ac11336b94768fdd41594153d59"><div class="ttname"><a href="namespacegtl.html#a73f41ac11336b94768fdd41594153d59">gtl::FindOrDie</a></div><div class="ttdeci">const Collection::value_type::second_type & FindOrDie(const Collection &collection, const typename Collection::value_type::first_type &key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00206">map_util.h:206</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a5de89a1f6e3f80a49a0d76136d8044e2"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2">operations_research::math_opt::swap</a></div><div class="ttdeci">void swap(IdMap< K, V > &a, IdMap< K, V > &b)</div><div class="ttdef"><b>Definition:</b> <a href="id__map_8h_source.html#l00263">id_map.h:263</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a0b38571bb1f48f98df1134a4005d9c21"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a0b38571bb1f48f98df1134a4005d9c21">operations_research::sat::ScaleAndSetObjective</a></div><div class="ttdeci">bool ScaleAndSetObjective(const SatParameters &params, const std::vector< std::pair< int, double > > &objective, double objective_offset, bool maximize, CpModelProto *cp_model, SolverLogger *logger)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00955">sat/lp_utils.cc:955</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1a6eefe7a5bfd8bdf83407c9e6af56f5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1a6eefe7a5bfd8bdf83407c9e6af56f5">operations_research::sat::LoadVariables</a></div><div class="ttdeci">void LoadVariables(const CpModelProto &model_proto, bool view_all_booleans_as_integers, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00119">cp_model_loader.cc:119</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1c3fa75911c74ce485e62814484c7ae7"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1c3fa75911c74ce485e62814484c7ae7">operations_research::sat::LoadConstraint</a></div><div class="ttdeci">bool LoadConstraint(const ConstraintProto &ct, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l01255">cp_model_loader.cc:1255</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1d467595ed8fe5b85dc95328ee1c2770"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1d467595ed8fe5b85dc95328ee1c2770">operations_research::sat::UsedVariables</a></div><div class="ttdeci">std::vector< int > UsedVariables(const ConstraintProto &ct)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8cc_source.html#l00432">cp_model_utils.cc:432</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a217338425de4389014563f1f24331713"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a217338425de4389014563f1f24331713">operations_research::sat::RefIsPositive</a></div><div class="ttdeci">bool RefIsPositive(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00036">cp_model_utils.h:36</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a217ba4c51953c701a68d6572d79801f1"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a217ba4c51953c701a68d6572d79801f1">operations_research::sat::UsedIntervals</a></div><div class="ttdeci">std::vector< int > UsedIntervals(const ConstraintProto &ct)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8cc_source.html#l00447">cp_model_utils.cc:447</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a55963ffe87280b37dce97b9a8cbd03ae"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a55963ffe87280b37dce97b9a8cbd03ae">operations_research::sat::kAffineRelationConstraint</a></div><div class="ttdeci">constexpr int kAffineRelationConstraint</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00040">presolve_context.h:40</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a901c19b12842f8af153e588a689a90b5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a901c19b12842f8af153e588a689a90b5">operations_research::sat::FillDomainInProto</a></div><div class="ttdeci">void FillDomainInProto(const Domain &domain, ProtoWithDomain *proto)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00093">cp_model_utils.h:93</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aab9fc6e23064f7f2aff53c4f5059f493"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aab9fc6e23064f7f2aff53c4f5059f493">operations_research::sat::ExpressionIsAffine</a></div><div class="ttdeci">bool ExpressionIsAffine(const LinearExpressionProto &expr)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8cc_source.html#l00525">cp_model_utils.cc:525</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#l00104">cp_model_utils.h:104</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ac015d81b88379719f680eadc2aad1508"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ac015d81b88379719f680eadc2aad1508">operations_research::sat::ProductWithModularInverse</a></div><div class="ttdeci">int64_t ProductWithModularInverse(int64_t coeff, int64_t mod, int64_t rhs)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2util_8cc_source.html#l00103">sat/util.cc:103</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ac2ccdb02f35bbd7a53cc10a09210b200"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ac2ccdb02f35bbd7a53cc10a09210b200">operations_research::sat::LoadModelForProbing</a></div><div class="ttdeci">bool LoadModelForProbing(PresolveContext *context, Model *local_model)</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8cc_source.html#l02005">presolve_context.cc:2005</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aca25bc3ffa54b3f2668c6eeddffd8d1d"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aca25bc3ffa54b3f2668c6eeddffd8d1d">operations_research::sat::kObjectiveConstraint</a></div><div class="ttdeci">constexpr int kObjectiveConstraint</div><div class="ttdef"><b>Definition:</b> <a href="presolve__context_8h_source.html#l00039">presolve_context.h:39</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_acdbc8ad33149d45a6e6fcd8b72fd68ed"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#acdbc8ad33149d45a6e6fcd8b72fd68ed">operations_research::sat::PositiveRef</a></div><div class="ttdeci">int PositiveRef(int ref)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__utils_8h_source.html#l00035">cp_model_utils.h:35</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ad78bf6fcea4b54f750e2457e47b4f46a"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ad78bf6fcea4b54f750e2457e47b4f46a">operations_research::sat::ExtractEncoding</a></div><div class="ttdeci">void ExtractEncoding(const CpModelProto &model_proto, Model *m)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__loader_8cc_source.html#l00351">cp_model_loader.cc:351</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ae0803b8198728cd4f6e58498d9c60091"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ae0803b8198728cd4f6e58498d9c60091">operations_research::sat::NegatedRef</a></div><div class="ttdeci">int NegatedRef(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="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a111f44b9b9cf67a8e8d83794ac9f5291"><div class="ttname"><a href="namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291">operations_research::CapAdd</a></div><div class="ttdeci">int64_t CapAdd(int64_t x, int64_t y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00126">saturated_arithmetic.h:126</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a23fc0ff92a3f47fe0bd2ad3eac3c9b57"><div class="ttname"><a href="namespaceoperations__research.html#a23fc0ff92a3f47fe0bd2ad3eac3c9b57">operations_research::ToString</a></div><div class="ttdeci">const absl::string_view ToString(MPSolver::OptimizationProblemType optimization_problem_type)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l00576">linear_solver.cc:576</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aa64bf49d041052c7cb3f40f7496d7534"><div class="ttname"><a href="namespaceoperations__research.html#aa64bf49d041052c7cb3f40f7496d7534">operations_research::CapProd</a></div><div class="ttdeci">int64_t CapProd(int64_t x, int64_t y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00235">saturated_arithmetic.h:235</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aba32b1f1ee3ffb4194aa8af155f827cd"><div class="ttname"><a href="namespaceoperations__research.html#aba32b1f1ee3ffb4194aa8af155f827cd">operations_research::ProtobufDebugString</a></div><div class="ttdeci">std::string ProtobufDebugString(const P &message)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00029">port/proto_utils.h:29</a></div></div>
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<div class="ttc" id="aoptimization_8cc_html_af63dcc00f2023fdf498e0829e6fb8a6b"><div class="ttname"><a href="optimization_8cc.html#af63dcc00f2023fdf498e0829e6fb8a6b">literal</a></div><div class="ttdeci">Literal literal</div><div class="ttdef"><b>Definition:</b> <a href="optimization_8cc_source.html#l00085">optimization.cc:85</a></div></div>
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<div class="ttc" id="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00509">pack.cc:509</a></div></div>
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<div class="ttc" id="aport_2proto__utils_8h_html"><div class="ttname"><a href="port_2proto__utils_8h.html">proto_utils.h</a></div></div>
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<div class="ttc" id="apreprocessor_8cc_html_abcdbe46fb8451a69d42c17abdb920021"><div class="ttname"><a href="preprocessor_8cc.html#abcdbe46fb8451a69d42c17abdb920021">representative</a></div><div class="ttdeci">ColIndex representative</div><div class="ttdef"><b>Definition:</b> <a href="preprocessor_8cc_source.html#l00469">preprocessor.cc:469</a></div></div>
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<div class="ttc" id="apresolve__context_8h_html"><div class="ttname"><a href="presolve__context_8h.html">presolve_context.h</a></div></div>
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<div class="ttc" id="aresource_8cc_html_af92a8383a05fdf586a52263d358f5ada"><div class="ttname"><a href="resource_8cc.html#af92a8383a05fdf586a52263d358f5ada">interval</a></div><div class="ttdeci">IntervalVar * interval</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l00100">resource.cc:100</a></div></div>
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<div class="ttc" id="asat_2lp__utils_8h_html"><div class="ttname"><a href="sat_2lp__utils_8h.html">lp_utils.h</a></div></div>
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<div class="ttc" id="asaturated__arithmetic_8h_html"><div class="ttname"><a href="saturated__arithmetic_8h.html">saturated_arithmetic.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_affine_relation_1_1_relation_html"><div class="ttname"><a href="structoperations__research_1_1_affine_relation_1_1_relation.html">operations_research::AffineRelation::Relation</a></div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00076">affine_relation.h:76</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_affine_relation_1_1_relation_html_a537e59662a0751edfbbd2a0079a794b4"><div class="ttname"><a href="structoperations__research_1_1_affine_relation_1_1_relation.html#a537e59662a0751edfbbd2a0079a794b4">operations_research::AffineRelation::Relation::coeff</a></div><div class="ttdeci">int64_t coeff</div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00078">affine_relation.h:78</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_affine_relation_1_1_relation_html_ae25fb5067bd6b3b1b319efc61685a98f"><div class="ttname"><a href="structoperations__research_1_1_affine_relation_1_1_relation.html#ae25fb5067bd6b3b1b319efc61685a98f">operations_research::AffineRelation::Relation::offset</a></div><div class="ttdeci">int64_t offset</div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00079">affine_relation.h:79</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1_affine_relation_1_1_relation_html_af5eb1e0745f18d589b9c552215bef515"><div class="ttname"><a href="structoperations__research_1_1_affine_relation_1_1_relation.html#af5eb1e0745f18d589b9c552215bef515">operations_research::AffineRelation::Relation::representative</a></div><div class="ttdeci">int representative</div><div class="ttdef"><b>Definition:</b> <a href="affine__relation_8h_source.html#l00077">affine_relation.h:77</a></div></div>
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<div class="ttc" id="autil_2logging_8h_html_a5f67b653dd99ddbe5e3367e3b4b7b532"><div class="ttname"><a href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a></div><div class="ttdeci">#define SOLVER_LOG(logger,...)</div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00069">util/logging.h:69</a></div></div>
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<div class="ttc" id="avlog__is__on_8h_html_a956152cad330225654d128f35c00efce"><div class="ttname"><a href="vlog__is__on_8h.html#a956152cad330225654d128f35c00efce">VLOG_IS_ON</a></div><div class="ttdeci">#define VLOG_IS_ON(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="vlog__is__on_8h_source.html#l00041">vlog_is_on.h:41</a></div></div>
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