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<div class="headertitle"><div class="title">sat_proto_solver.cc</div></div>
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<a href="sat__proto__solver_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="sat__proto__solver_8h.html">ortools/linear_solver/sat_proto_solver.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 <cstdint></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include "ortools/linear_solver/linear_solver.pb.h"</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="linear__solver_2model__validator_8h.html">ortools/linear_solver/model_validator.h</a>"</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "<a class="code" href="sat__solver__utils_8h.html">ortools/linear_solver/sat_solver_utils.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 "ortools/sat/cp_model.pb.h"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="cp__model__solver_8h.html">ortools/sat/cp_model_solver.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 "ortools/sat/sat_parameters.pb.h"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="util_2logging_8h.html">ortools/util/logging.h</a>"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "<a class="code" href="time__limit_8h.html">ortools/util/time_limit.h</a>"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="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="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">namespace </span>{</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><span class="preprocessor">#if defined(PROTOBUF_INTERNAL_IMPL)</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keyword">using</span> google::protobuf::Message;</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="keyword">using</span> google::protobuf::Message;</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="comment">// Proto-lite disables some features of protos (see</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="comment">// go/abp-libraries/proto2-lite) and messages inherit from MessageLite directly</span></div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="comment">// instead of inheriting from Message (which is itself a specialization of</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="comment">// MessageLite).</span></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="keyword">constexpr</span> <span class="keywordtype">bool</span> kProtoLiteSatParameters =</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> !<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">std::is_base_of<Message, sat::SatParameters>::value</a>;</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>MPSolverResponseStatus ToMPSolverResponseStatus(sat::CpSolverStatus <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>,</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordtype">bool</span> has_objective) {</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">case</span> sat::CpSolverStatus::UNKNOWN:</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">return</span> MPSOLVER_NOT_SOLVED;</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">case</span> sat::CpSolverStatus::MODEL_INVALID:</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">return</span> MPSOLVER_MODEL_INVALID;</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">case</span> sat::CpSolverStatus::FEASIBLE:</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">return</span> MPSOLVER_FEASIBLE;</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">case</span> sat::CpSolverStatus::INFEASIBLE:</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">return</span> MPSOLVER_INFEASIBLE;</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">case</span> sat::CpSolverStatus::OPTIMAL:</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">return</span> MPSOLVER_OPTIMAL;</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">default</span>: {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> }</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span> MPSOLVER_ABNORMAL;</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>}</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span>sat::CpSolverStatus FromMPSolverResponseStatus(MPSolverResponseStatus <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">case</span> MPSolverResponseStatus::MPSOLVER_OPTIMAL:</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> sat::OPTIMAL;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">case</span> MPSolverResponseStatus::MPSOLVER_INFEASIBLE:</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> sat::INFEASIBLE;</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">case</span> MPSolverResponseStatus::MPSOLVER_MODEL_INVALID:</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> sat::MODEL_INVALID;</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">default</span>: {</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> }</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> sat::UNKNOWN;</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>}</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>MPSolutionResponse InfeasibleResponse(SolverLogger& logger,</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> std::string <a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>) {</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="comment">// This is needed for our benchmark scripts.</span></div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> MPSolutionResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">if</span> (logger.LoggingIsEnabled()) {</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> sat::CpSolverResponse cp_response;</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> cp_response.set_status(sat::CpSolverStatus::INFEASIBLE);</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="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(&logger, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(cp_response));</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(MPSolverResponseStatus::MPSOLVER_INFEASIBLE);</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(<a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>);</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>}</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>MPSolutionResponse ModelInvalidResponse(SolverLogger& logger,</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> std::string <a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>) {</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// This is needed for our benchmark scripts.</span></div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> MPSolutionResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">if</span> (logger.LoggingIsEnabled()) {</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> sat::CpSolverResponse cp_response;</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> cp_response.set_status(sat::CpSolverStatus::MODEL_INVALID);</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(&logger, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(cp_response));</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> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(MPSolverResponseStatus::MPSOLVER_MODEL_INVALID);</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(<a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>);</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span>}</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a8cdeb416ed4961c462ac33d4fe5c6f67"> 111</a></span>absl::StatusOr<MPSolutionResponse> <a class="code hl_function" href="namespaceoperations__research.html#a8cdeb416ed4961c462ac33d4fe5c6f67">SatSolveProto</a>(</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> MPModelRequest request, std::atomic<bool>* interrupt_solve,</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> std::string&)> logging_callback,</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> MPSolution&)> solution_callback) {</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> sat::SatParameters params;</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> params.set_log_search_progress(request.enable_internal_solver_output());</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// Set it now so that it can be overwritten by the solver specific parameters.</span></div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">if</span> (request.has_solver_specific_parameters()) {</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// See EncodeSatParametersAsString() documentation.</span></div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">if</span> (kProtoLiteSatParameters) {</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">if</span> (!params.MergeFromString(request.solver_specific_parameters())) {</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="stringliteral">"solver_specific_parameters is not a valid binary stream of the "</span></div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="stringliteral">"SatParameters proto"</span>);</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> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research.html#a35aef0bf8960ddc77cec32ab5d5aa885">ProtobufTextFormatMergeFromString</a>(</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> request.solver_specific_parameters(), &params)) {</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="stringliteral">"solver_specific_parameters is not a valid textual representation "</span></div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="stringliteral">"of the SatParameters proto"</span>);</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"> 134</span> }</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">if</span> (request.has_solver_time_limit_seconds()) {</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> params.set_max_time_in_seconds(request.solver_time_limit_seconds());</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// TODO(user): We do not support all the parameters here. In particular the</span></div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// logs before the solver is called will not be appended to the response. Fix</span></div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// that, and remove code duplication for the logger config. One way should be</span></div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// to not touch/configure anything if the logger is already created while</span></div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// calling SolveCpModel() and call a common config function from here or from</span></div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// inside Solve()?</span></div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <a class="code hl_class" href="classoperations__research_1_1_solver_logger.html">SolverLogger</a> logger;</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">if</span> (logging_callback != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> logger.<a class="code hl_function" href="classoperations__research_1_1_solver_logger.html#ab39c6534b88d91087a44512efe0ee5e5">AddInfoLoggingCallback</a>(logging_callback);</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> logger.<a class="code hl_function" href="classoperations__research_1_1_solver_logger.html#ad4238e7273d93a1d0a2272d46660c254">EnableLogging</a>(params.log_search_progress());</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> logger.<a class="code hl_function" href="classoperations__research_1_1_solver_logger.html#a035277f8488770078b1171cae4636b8e">SetLogToStdOut</a>(params.log_to_stdout());</div>
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|
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// Model validation and delta handling.</span></div>
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|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> MPSolutionResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research.html#a028894df65f61e94b6a406ed76901abf">ExtractValidMPModelInPlaceOrPopulateResponseStatus</a>(&request,</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> &<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>)) {</div>
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|
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="comment">// Note that the ExtractValidMPModelInPlaceOrPopulateResponseStatus() can</span></div>
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|
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// also close trivial model (empty or trivially infeasible). So this is not</span></div>
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|
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// always the MODEL_INVALID status.</span></div>
|
|
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// The logging is only needed for our benchmark script, so we use UNKNOWN</span></div>
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|
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// here, but we could log the proper status instead.</span></div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</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="l00163" name="l00163"></a><span class="lineno"> 163</span> sat::CpSolverResponse cp_response;</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> cp_response.set_status(FromMPSolverResponseStatus(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status()));</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(&logger, <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(cp_response));</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"> 167</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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|
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> }</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// We start by some extra validation since our code do not accept any kind</span></div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// of input.</span></div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> MPModelProto* <span class="keyword">const</span> mp_model = request.mutable_model();</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a9cad548d18a6c850514c835b34f60cfe">sat::MPModelProtoValidationBeforeConversion</a>(params, *mp_model,</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> &logger)) {</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">return</span> ModelInvalidResponse(logger, <span class="stringliteral">"Extra CP-SAT validation failed."</span>);</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> }</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> </div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// This is good to do before any presolve.</span></div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ab976889f89f3df5d24c7b72c0a7d8d07">sat::MakeBoundsOfIntegerVariablesInteger</a>(params, mp_model, &logger)) {</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">return</span> InfeasibleResponse(logger,</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="stringliteral">"An integer variable has an empty domain"</span>);</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> </div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// Note(user): the LP presolvers API is a bit weird and keep a reference to</span></div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// the given GlopParameters, so we need to make sure it outlive them.</span></div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keyword">const</span> glop::GlopParameters glop_params;</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> std::vector<std::unique_ptr<glop::Preprocessor>> for_postsolve;</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordflow">if</span> (!params.enumerate_all_solutions()) {</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> =</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <a class="code hl_function" href="namespaceoperations__research.html#a5877c7654e3d8c4978843f37d2134feb">ApplyMipPresolveSteps</a>(glop_params, mp_model, &for_postsolve, &logger);</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493afaee4ca3c30ee18148ce3ada37466498">glop::ProblemStatus::INIT</a>:</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// Continue with the solve.</span></div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a7850fcfea005b86b2a3fa0d4293c5ee0">glop::ProblemStatus::PRIMAL_INFEASIBLE</a>:</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">return</span> InfeasibleResponse(</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> logger, <span class="stringliteral">"Problem proven infeasible during MIP presolve"</span>);</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493add8d8537e1472a5e432749c5abf45c82">glop::ProblemStatus::INVALID_PROBLEM</a>:</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keywordflow">return</span> ModelInvalidResponse(</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> logger, <span class="stringliteral">"Problem detected invalid during MIP presolve"</span>);</div>
|
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="comment">// TODO(user): We put the INFEASIBLE_OR_UNBOUNBED case here since there</span></div>
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|
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="comment">// is no return status that exactly matches it.</span></div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">if</span> (params.log_search_progress()) {</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="comment">// This is needed for our benchmark scripts.</span></div>
|
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> sat::CpSolverResponse cp_response;</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> cp_response.set_status(sat::CpSolverStatus::UNKNOWN);</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</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>) << <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(cp_response);</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> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(MPSolverResponseStatus::MPSOLVER_UNKNOWN_STATUS);</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="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a53ef0c1aa260e08f9010ddcc28d5a4a6">glop::ProblemStatus::INFEASIBLE_OR_UNBOUNDED</a>) {</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="stringliteral">"Problem proven infeasible or unbounded during MIP presolve"</span>);</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> }</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</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> </div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// We need to do that before the automatic detection of integers.</span></div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a8163165c60b5914e1e8476c56b048664">RemoveNearZeroTerms</a>(params, mp_model, &logger);</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> <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="l00223" name="l00223"></a><span class="lineno"> 223</span> <a class="code hl_define" href="util_2logging_8h.html#a5f67b653dd99ddbe5e3367e3b4b7b532">SOLVER_LOG</a>(&logger, <span class="stringliteral">"Scaling to pure integer problem."</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="keyword">const</span> <span class="keywordtype">int</span> num_variables = mp_model->variable_size();</div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> std::vector<double> var_scaling(num_variables, 1.0);</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">if</span> (params.mip_automatically_scale_variables()) {</div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> var_scaling = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ae188c568fdffc07e6443ba7eb11cff1b">sat::DetectImpliedIntegers</a>(mp_model, &logger);</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_function" href="namespaceoperations__research_1_1sat.html#ab976889f89f3df5d24c7b72c0a7d8d07">sat::MakeBoundsOfIntegerVariablesInteger</a>(params, mp_model, &logger)) {</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">return</span> InfeasibleResponse(</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> logger, <span class="stringliteral">"A detected integer variable has an empty domain"</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> }</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">if</span> (params.mip_var_scaling() != 1.0) {</div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keyword">const</span> std::vector<double> other_scaling = <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ac71665cf974c4a75adc4c9ad251ae853">sat::ScaleContinuousVariables</a>(</div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> params.mip_var_scaling(), params.mip_max_bound(), mp_model);</div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < var_scaling.size(); ++i) {</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> var_scaling[i] *= other_scaling[i];</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</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"> 242</span> sat::CpModelProto cp_model;</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="namespaceoperations__research_1_1sat.html#a8344143223766ba5898fdba30d6f61d8">ConvertMPModelProtoToCpModelProto</a>(params, *mp_model, &cp_model,</div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> &logger)) {</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (params.log_search_progress()) {</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="comment">// This is needed for our benchmark scripts.</span></div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> sat::CpSolverResponse cp_response;</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> cp_response.set_status(sat::CpSolverStatus::MODEL_INVALID);</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</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>) << <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">CpSolverResponseStats</a>(cp_response);</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> }</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(MPSOLVER_MODEL_INVALID);</div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(<span class="stringliteral">"Failed to convert model into CP-SAT model"</span>);</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> }</div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(cp_model.variables().size(), var_scaling.size());</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(cp_model.variables().size(), mp_model->variable().size());</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="comment">// Copy and scale the hint if there is one.</span></div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (request.model().has_solution_hint()) {</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">auto</span>* cp_model_hint = cp_model.mutable_solution_hint();</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size = request.model().solution_hint().var_index().size();</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = request.model().solution_hint().var_index(i);</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> >= var_scaling.size()) <span class="keywordflow">continue</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> <span class="comment">// To handle weird hint input values, we cap any large value to +/-</span></div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="comment">// mip_max_bound() which is also the min/max value of any variable once</span></div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// scaled.</span></div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> =</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> request.model().solution_hint().var_value(i) * var_scaling[<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>];</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">if</span> (std::abs(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) > params.mip_max_bound()) {</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</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> > 0 ? params.mip_max_bound() : -params.mip_max_bound();</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"> 274</span> </div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> cp_model_hint->add_vars(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> cp_model_hint->add_values(<span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(std::round(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)));</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> }</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"> 280</span> <span class="comment">// We no longer need the request. Reclaim its memory.</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> <span class="keywordtype">int</span> old_num_variables = mp_model->variable().size();</div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keyword">const</span> <span class="keywordtype">int</span> old_num_constraints = mp_model->constraint().size();</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> request.Clear();</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> <span class="comment">// Configure model.</span></div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">sat::Model</a> sat_model;</div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> sat_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>>(&logger);</div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> sat_model.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#a7b8d774b566431b8932ba0f3c921ec7d">Add</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(params));</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keywordflow">if</span> (interrupt_solve != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> sat_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>>()->RegisterExternalBooleanAsLimit(</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> interrupt_solve);</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> }</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="keyword">auto</span> post_solve = [&](<span class="keyword">const</span> sat::CpSolverResponse& cp_response) {</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> MPSolution mp_solution;</div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> mp_solution.set_objective_value(cp_response.objective_value());</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="comment">// Postsolve the bound shift and scaling.</span></div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <a class="code hl_struct" href="structoperations__research_1_1glop_1_1_problem_solution.html">glop::ProblemSolution</a> glop_solution((glop::RowIndex(old_num_constraints)),</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> (glop::ColIndex(old_num_variables)));</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v < glop_solution.<a class="code hl_variable" href="structoperations__research_1_1glop_1_1_problem_solution.html#af8a495c9872268c3e34d413d8b63ef66">primal_values</a>.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a967a5c081ad4195a30c78dc2c0bcabf5">size</a>(); ++v) {</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> glop_solution.<a class="code hl_variable" href="structoperations__research_1_1glop_1_1_problem_solution.html#af8a495c9872268c3e34d413d8b63ef66">primal_values</a>[glop::ColIndex(v)] =</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(cp_response.solution(v)) / var_scaling[v];</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="keywordflow">for</span> (<span class="keywordtype">int</span> i = for_postsolve.size(); --i >= 0;) {</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> for_postsolve[i]->RecoverSolution(&glop_solution);</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> }</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v < glop_solution.<a class="code hl_variable" href="structoperations__research_1_1glop_1_1_problem_solution.html#af8a495c9872268c3e34d413d8b63ef66">primal_values</a>.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a967a5c081ad4195a30c78dc2c0bcabf5">size</a>(); ++v) {</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> mp_solution.add_variable_value(</div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> glop_solution.<a class="code hl_variable" href="structoperations__research_1_1glop_1_1_problem_solution.html#af8a495c9872268c3e34d413d8b63ef66">primal_values</a>[glop::ColIndex(v)]);</div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }</div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">return</span> mp_solution;</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> </div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">if</span> (solution_callback != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> sat_model.<a class="code hl_function" href="classoperations__research_1_1sat_1_1_model.html#a7b8d774b566431b8932ba0f3c921ec7d">Add</a>(<a class="code hl_function" href="namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0">sat::NewFeasibleSolutionObserver</a>(</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> [&](<span class="keyword">const</span> sat::CpSolverResponse& cp_response) {</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> solution_callback(post_solve(cp_response));</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"> 320</span> </div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="comment">// Solve.</span></div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="keyword">const</span> sat::CpSolverResponse cp_response =</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">sat::SolveCpModel</a>(cp_model, &sat_model);</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> <span class="comment">// Convert the response.</span></div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="comment">// TODO(user): Implement the row and column status.</span></div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> ToMPSolverResponseStatus(cp_response.status(), cp_model.has_objective()));</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status() == MPSOLVER_FEASIBLE ||</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status() == MPSOLVER_OPTIMAL) {</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_objective_value(cp_response.objective_value());</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_best_objective_bound(cp_response.best_objective_bound());</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> MPSolution post_solved_solution = post_solve(cp_response);</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> *<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.mutable_variable_value() =</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> std::move(*post_solved_solution.mutable_variable_value());</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> </div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// Copy and postsolve any additional solutions.</span></div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// TODO(user): Remove the postsolve hack of copying to a response.</span></div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < cp_response.additional_solutions().size(); ++i) {</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> sat::CpSolverResponse temp;</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> *temp.mutable_solution() = cp_response.additional_solutions(i).values();</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> MPSolution post_solved_solution = post_solve(temp);</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> *(<a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.add_additional_solutions()->mutable_variable_value()) =</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> std::move(*post_solved_solution.mutable_variable_value());</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> }</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> </div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span>}</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> </div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#aa36d0369726118d22cf2fa47aa739f4d"> 353</a></span>std::string <a class="code hl_function" href="namespaceoperations__research.html#aa36d0369726118d22cf2fa47aa739f4d">EncodeSatParametersAsString</a>(<span class="keyword">const</span> sat::SatParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) {</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordflow">if</span> (kProtoLiteSatParameters) {</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="comment">// Here we use SerializeToString() instead of SerializeAsString() since the</span></div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="comment">// later ignores errors and returns an empty string instead (which can be a</span></div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="comment">// valid value when no fields are set).</span></div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> std::string bytes;</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.SerializeToString(&bytes));</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keywordflow">return</span> bytes;</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"> 362</span> </div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.ShortDebugString();</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">// namespace operations_research</span></div>
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<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="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#l00891">base/logging.h:891</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_a035277f8488770078b1171cae4636b8e"><div class="ttname"><a href="classoperations__research_1_1_solver_logger.html#a035277f8488770078b1171cae4636b8e">operations_research::SolverLogger::SetLogToStdOut</a></div><div class="ttdeci">void SetLogToStdOut(bool enable)</div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00045">util/logging.h:45</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_solver_logger_html_ab39c6534b88d91087a44512efe0ee5e5"><div class="ttname"><a href="classoperations__research_1_1_solver_logger.html#ab39c6534b88d91087a44512efe0ee5e5">operations_research::SolverLogger::AddInfoLoggingCallback</a></div><div class="ttdeci">void AddInfoLoggingCallback(std::function< void(const std::string &message)> callback)</div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8cc_source.html#l00023">util/logging.cc:23</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_logger_html_ad4238e7273d93a1d0a2272d46660c254"><div class="ttname"><a href="classoperations__research_1_1_solver_logger.html#ad4238e7273d93a1d0a2272d46660c254">operations_research::SolverLogger::EnableLogging</a></div><div class="ttdeci">void EnableLogging(bool enable)</div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00039">util/logging.h:39</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_1glop_1_1_strict_i_t_i_vector_html_a967a5c081ad4195a30c78dc2c0bcabf5"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html#a967a5c081ad4195a30c78dc2c0bcabf5">operations_research::glop::StrictITIVector::size</a></div><div class="ttdeci">IntType size() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00280">lp_types.h:280</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html">operations_research::sat::Model</a></div><div class="ttdoc">Class that owns everything related to a particular optimization model.</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00042">sat/model.h:42</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html_a7b8d774b566431b8932ba0f3c921ec7d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html#a7b8d774b566431b8932ba0f3c921ec7d">operations_research::sat::Model::Add</a></div><div class="ttdeci">T Add(std::function< T(Model *)> f)</div><div class="ttdoc">This makes it possible to have a nicer API on the client side, and it allows both of these forms:</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00085">sat/model.h:85</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#l00173">sat/model.h:173</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#l00110">sat/model.h:110</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00119">cp_model_fz_solver.cc:119</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_abcd33b18ce6d5a90a4ba5c37cfa58829"><div class="ttname"><a href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a></div><div class="ttdeci">SharedResponseManager * response</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02052">cp_model_solver.cc:2052</a></div></div>
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<div class="ttc" id="acp__model__solver_8h_html"><div class="ttname"><a href="cp__model__solver_8h.html">cp_model_solver.h</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="ag__gurobi_8cc_html_a2237393c7ae7ad7344c9885066d5ab6d"><div class="ttname"><a href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a></div><div class="ttdeci">absl::Status status</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00035">g_gurobi.cc:35</a></div></div>
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<div class="ttc" id="alinear__solver_2model__validator_8h_html"><div class="ttname"><a href="linear__solver_2model__validator_8h.html">model_validator.h</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="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">operations_research::glop::ProblemStatus</a></div><div class="ttdeci">ProblemStatus</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00102">lp_types.h:102</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493a53ef0c1aa260e08f9010ddcc28d5a4a6"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a53ef0c1aa260e08f9010ddcc28d5a4a6">operations_research::glop::ProblemStatus::INFEASIBLE_OR_UNBOUNDED</a></div><div class="ttdeci">@ INFEASIBLE_OR_UNBOUNDED</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493a7850fcfea005b86b2a3fa0d4293c5ee0"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493a7850fcfea005b86b2a3fa0d4293c5ee0">operations_research::glop::ProblemStatus::PRIMAL_INFEASIBLE</a></div><div class="ttdeci">@ PRIMAL_INFEASIBLE</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493add8d8537e1472a5e432749c5abf45c82"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493add8d8537e1472a5e432749c5abf45c82">operations_research::glop::ProblemStatus::INVALID_PROBLEM</a></div><div class="ttdeci">@ INVALID_PROBLEM</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493afaee4ca3c30ee18148ce3ada37466498"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493afaee4ca3c30ee18148ce3ada37466498">operations_research::glop::ProblemStatus::INIT</a></div><div class="ttdeci">@ INIT</div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a0a9777d760241f28010442a2c01f45e0"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0">operations_research::sat::NewFeasibleSolutionObserver</a></div><div class="ttdeci">std::function< void(Model *)> NewFeasibleSolutionObserver(const std::function< void(const CpSolverResponse &response)> &observer)</div><div class="ttdoc">Creates a solution observer with the model with model.Add(NewFeasibleSolutionObserver([](response){....</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00774">cp_model_solver.cc:774</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1684fe34484d78336d3cdac55ec6de57"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">operations_research::sat::NewSatParameters</a></div><div class="ttdeci">std::function< SatParameters(Model *)> NewSatParameters(const std::string &params)</div><div class="ttdoc">Creates parameters for the solver, which you can add to the model with.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00783">cp_model_solver.cc:783</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a1b192124133b53f1445f7f6d4708b332"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a1b192124133b53f1445f7f6d4708b332">operations_research::sat::CpSolverResponseStats</a></div><div class="ttdeci">std::string CpSolverResponseStats(const CpSolverResponse &response, bool has_objective)</div><div class="ttdoc">Returns a string with some statistics on the solver response.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l00496">cp_model_solver.cc:496</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a8163165c60b5914e1e8476c56b048664"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a8163165c60b5914e1e8476c56b048664">operations_research::sat::RemoveNearZeroTerms</a></div><div class="ttdeci">void RemoveNearZeroTerms(const SatParameters &params, MPModelProto *mp_model, SolverLogger *logger)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00227">sat/lp_utils.cc:227</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a8344143223766ba5898fdba30d6f61d8"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a8344143223766ba5898fdba30d6f61d8">operations_research::sat::ConvertMPModelProtoToCpModelProto</a></div><div class="ttdeci">bool ConvertMPModelProtoToCpModelProto(const SatParameters &params, const MPModelProto &mp_model, CpModelProto *cp_model, SolverLogger *logger)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00788">sat/lp_utils.cc:788</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a9cad548d18a6c850514c835b34f60cfe"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a9cad548d18a6c850514c835b34f60cfe">operations_research::sat::MPModelProtoValidationBeforeConversion</a></div><div class="ttdeci">bool MPModelProtoValidationBeforeConversion(const SatParameters &params, const MPModelProto &mp_model, SolverLogger *logger)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00280">sat/lp_utils.cc:280</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aa9299de04255b99318446500127d79e1"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">operations_research::sat::SolveCpModel</a></div><div class="ttdeci">CpSolverResponse SolveCpModel(const CpModelProto &model_proto, Model *model)</div><div class="ttdoc">Solves the given CpModelProto.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l03055">cp_model_solver.cc:3055</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ab976889f89f3df5d24c7b72c0a7d8d07"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ab976889f89f3df5d24c7b72c0a7d8d07">operations_research::sat::MakeBoundsOfIntegerVariablesInteger</a></div><div class="ttdeci">bool MakeBoundsOfIntegerVariablesInteger(const SatParameters &params, MPModelProto *mp_model, SolverLogger *logger)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00189">sat/lp_utils.cc:189</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ac71665cf974c4a75adc4c9ad251ae853"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ac71665cf974c4a75adc4c9ad251ae853">operations_research::sat::ScaleContinuousVariables</a></div><div class="ttdeci">std::vector< double > ScaleContinuousVariables(double scaling, double max_bound, MPModelProto *mp_model)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00107">sat/lp_utils.cc:107</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ae188c568fdffc07e6443ba7eb11cff1b"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ae188c568fdffc07e6443ba7eb11cff1b">operations_research::sat::DetectImpliedIntegers</a></div><div class="ttdeci">std::vector< double > DetectImpliedIntegers(MPModelProto *mp_model, SolverLogger *logger)</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00344">sat/lp_utils.cc:344</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_a028894df65f61e94b6a406ed76901abf"><div class="ttname"><a href="namespaceoperations__research.html#a028894df65f61e94b6a406ed76901abf">operations_research::ExtractValidMPModelInPlaceOrPopulateResponseStatus</a></div><div class="ttdeci">bool ExtractValidMPModelInPlaceOrPopulateResponseStatus(MPModelRequest *request, MPSolutionResponse *response)</div><div class="ttdoc">Like ExtractValidMPModelOrPopulateResponseStatus(), but works in-place: if the MPModel needed extract...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_2model__validator_8cc_source.html#l00758">linear_solver/model_validator.cc:758</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a35aef0bf8960ddc77cec32ab5d5aa885"><div class="ttname"><a href="namespaceoperations__research.html#a35aef0bf8960ddc77cec32ab5d5aa885">operations_research::ProtobufTextFormatMergeFromString</a></div><div class="ttdeci">bool ProtobufTextFormatMergeFromString(const std::string &proto_text_string, ProtoType *proto)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00063">port/proto_utils.h:63</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a5877c7654e3d8c4978843f37d2134feb"><div class="ttname"><a href="namespaceoperations__research.html#a5877c7654e3d8c4978843f37d2134feb">operations_research::ApplyMipPresolveSteps</a></div><div class="ttdeci">glop::ProblemStatus ApplyMipPresolveSteps(const glop::GlopParameters &glop_params, MPModelProto *model, std::vector< std::unique_ptr< glop::Preprocessor > > *for_postsolve, SolverLogger *logger)</div><div class="ttdef"><b>Definition:</b> <a href="sat__solver__utils_8cc_source.html#l00027">sat_solver_utils.cc:27</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a8cdeb416ed4961c462ac33d4fe5c6f67"><div class="ttname"><a href="namespaceoperations__research.html#a8cdeb416ed4961c462ac33d4fe5c6f67">operations_research::SatSolveProto</a></div><div class="ttdeci">absl::StatusOr< MPSolutionResponse > SatSolveProto(MPModelRequest request, std::atomic< bool > *interrupt_solve, std::function< void(const std::string &)> logging_callback, std::function< void(const MPSolution &)> solution_callback)</div><div class="ttdef"><b>Definition:</b> <a href="sat__proto__solver_8cc_source.html#l00111">sat_proto_solver.cc:111</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aa36d0369726118d22cf2fa47aa739f4d"><div class="ttname"><a href="namespaceoperations__research.html#aa36d0369726118d22cf2fa47aa739f4d">operations_research::EncodeSatParametersAsString</a></div><div class="ttdeci">std::string EncodeSatParametersAsString(const sat::SatParameters &parameters)</div><div class="ttdef"><b>Definition:</b> <a href="sat__proto__solver_8cc_source.html#l00353">sat_proto_solver.cc:353</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="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="asat__proto__solver_8h_html"><div class="ttname"><a href="sat__proto__solver_8h.html">sat_proto_solver.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1glop_1_1_problem_solution_html"><div class="ttname"><a href="structoperations__research_1_1glop_1_1_problem_solution.html">operations_research::glop::ProblemSolution</a></div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00660">lp_data.h:660</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1glop_1_1_problem_solution_html_af8a495c9872268c3e34d413d8b63ef66"><div class="ttname"><a href="structoperations__research_1_1glop_1_1_problem_solution.html#af8a495c9872268c3e34d413d8b63ef66">operations_research::glop::ProblemSolution::primal_values</a></div><div class="ttdeci">DenseRow primal_values</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00672">lp_data.h:672</a></div></div>
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<div class="ttc" id="atime__limit_8h_html"><div class="ttname"><a href="time__limit_8h.html">time_limit.h</a></div></div>
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<div class="ttc" id="autil_2logging_8h_html"><div class="ttname"><a href="util_2logging_8h.html">logging.h</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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