1174 lines
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1174 lines
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 <span id="projectnumber">8.0</span>
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<div class="title">scip_interface.cc</div> </div>
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<a href="scip__interface_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#if defined(USE_SCIP)</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <stddef.h></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "absl/types/optional.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="commandlineflags_8h.html">ortools/base/commandlineflags.h</a>"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="hash_8h.html">ortools/base/hash.h</a>"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="timer_8h.html">ortools/base/timer.h</a>"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="linear__solver_8h.html">ortools/linear_solver/linear_solver.h</a>"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="linear__solver_8pb_8h.html">ortools/linear_solver/linear_solver.pb.h</a>"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="scip__helper__macros_8h.html">ortools/linear_solver/scip_helper_macros.h</a>"</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="scip__proto__solver_8h.html">ortools/linear_solver/scip_proto_solver.h</a>"</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "scip/cons_indicator.h"</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "scip/scip.h"</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "scip/scip_prob.h"</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "scip/scipdefplugins.h"</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="scip__interface_8cc.html#a025169f72a0c39595f2f1c121f766a92"> 42</a></span> <a class="code" href="scip__interface_8cc.html#a025169f72a0c39595f2f1c121f766a92">DEFINE_bool</a>(scip_feasibility_emphasis, <span class="keyword">false</span>,</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="stringliteral">"When true, emphasize search towards feasibility. This may or "</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="stringliteral">"may not result in speedups in some problems."</span>);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html"> 48</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html">SCIPInterface</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a> {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">explicit</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a9a897a055431b561bc3cb5eac98480ca">SCIPInterface</a>(<a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* solver);</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a184ec0d20ff98329d2d6d6320adeffb1">~SCIPInterface</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af49d135ea40b2749802105381cf43cf4">SetOptimizationDirection</a>(<span class="keywordtype">bool</span> maximize) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f">Solve</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  absl::optional<MPSolutionResponse> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#ae89a1af6564e5770bc880777f6d5457c">DirectlySolveProto</a>(</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">const</span> MPModelRequest& request) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5">Reset</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#addb54e5a4df07ffca5bcb804b92ae477">SetVariableBounds</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a9224449687a7cc715bb50c67579d6e48">SetVariableInteger</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">bool</span> integer) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a462b98e5264614683c26f693a9066a53">SetConstraintBounds</a>(<span class="keywordtype">int</span> row_index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a319f20d3c7b1f1845eaa7733fddec5c5">AddRowConstraint</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#acf102e862da164f1dc4c7bdc8ef83031">AddIndicatorConstraint</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a982ccffd8a70d27afd8a7028640fcf74">AddVariable</a>(<a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a22734d2e8cf1fbc6c9442ff16e9ff1c2">SetCoefficient</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* constraint, <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable,</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">double</span> new_value, <span class="keywordtype">double</span> old_value) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a5001d62b9a3953e998a2dcc65e650384">ClearConstraint</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* constraint) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#acde6592ac8af4c591ec42e840e3df10b">SetObjectiveCoefficient</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable,</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">double</span> <a class="code" href="routing__search_8cc.html#ab66ad179c8a6fcf1adb958cb51f4c7cb">coefficient</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a97e8091c50a3bfc2706b05806a96bdbd">SetObjectiveOffset</a>(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068">ClearObjective</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a0f868ea21814f5c0e34d8e99d32b1695">BranchingPriorityChangedForVariable</a>(<span class="keywordtype">int</span> var_index) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af7e80556ff4ce3c05080ea2abec17f85">iterations</a>() <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a36a3b08cbab0d397277a774e77ac17c5">nodes</a>() <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a9912dbe4ba7f90983fac140395f15189">best_objective_bound</a>() <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a6f1bec23477838426baf832738e752de"> 78</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a6f1bec23477838426baf832738e752de">row_status</a>(<span class="keywordtype">int</span> constraint_index)<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  LOG(DFATAL) << <span class="stringliteral">"Basis status only available for continuous problems"</span>;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">MPSolver::FREE</a>;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af648842d17e3301389e84dbf0cfcef18"> 82</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af648842d17e3301389e84dbf0cfcef18">column_status</a>(<span class="keywordtype">int</span> variable_index)<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  LOG(DFATAL) << <span class="stringliteral">"Basis status only available for continuous problems"</span>;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">MPSolver::FREE</a>;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a4138871e96e884736818baa24b937ca5"> 87</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a4138871e96e884736818baa24b937ca5">IsContinuous</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
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<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#ae0c104defe537af5cb4c74472bd855b3"> 88</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#ae0c104defe537af5cb4c74472bd855b3">IsLP</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
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<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#ae3441d342bd353e7ce0aa60662872592"> 89</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#ae3441d342bd353e7ce0aa60662872592">IsMIP</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#acbd833d357081a9f005404f4eefde424">ExtractNewVariables</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f">ExtractNewConstraints</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745">ExtractObjective</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#aa70fd7de7d1b6eb48564ad89ba711cbe"> 95</a></span>  std::string <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#aa70fd7de7d1b6eb48564ad89ba711cbe">SolverVersion</a>()<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"SCIP %d.%d.%d [LP solver: %s]"</span>, SCIPmajorVersion(),</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  SCIPminorVersion(), SCIPtechVersion(),</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="lpi__glop_8cc.html#aed7c57c93675aae2562abab53b487ce7">SCIPlpiGetSolverName</a>());</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
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<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a29067fc2546e6cbee9b6cb77fa4a22"> 101</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a29067fc2546e6cbee9b6cb77fa4a22">InterruptSolve</a>()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (scip_ == <span class="keyword">nullptr</span>) <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// NOTE(user): Is this weird?</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> SCIPinterruptSolve(scip_) == SCIP_OKAY;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a3311d007f8d5b65f31747fc5b2ab58eb"> 106</a></span>  <span class="keywordtype">void</span>* <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a3311d007f8d5b65f31747fc5b2ab58eb">underlying_solver</a>()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(scip_); }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">void</span> SetParameters(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">void</span> SetRelativeMipGap(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">void</span> SetPrimalTolerance(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">void</span> SetDualTolerance(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">void</span> SetPresolveMode(<span class="keywordtype">int</span> presolve) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">void</span> SetScalingMode(<span class="keywordtype">int</span> scaling) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">void</span> SetLpAlgorithm(<span class="keywordtype">int</span> lp_algorithm) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// SCIP parameters allow to lower and upper bound the number of threads used</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// (via "parallel/minnthreads" and "parallel/maxnthread", respectively). Here,</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// we interpret "num_threads" to mean "parallel/maxnthreads", as this is what</span></div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// most clients probably want to do. To change "parallel/minnthreads" use</span></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// SetSolverSpecificParametersAsString(). However, one must change</span></div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// "parallel/maxnthread" with SetNumThreads() because only this will inform</span></div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// the interface to run SCIPsolveConcurrent() instead of SCIPsolve() which is</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// necessery to enable multi-threading.</span></div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  absl::Status SetNumThreads(<span class="keywordtype">int</span> num_threads) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">bool</span> SetSolverSpecificParametersAsString(</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> std::string& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">void</span> SetUnsupportedIntegerParam(</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">void</span> SetIntegerParamToUnsupportedValue(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param,</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">int</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Copy sol from SCIP to MPSolver.</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">void</span> SetSolution(SCIP_SOL* solution);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  absl::Status CreateSCIP();</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">void</span> DeleteSCIP();</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// SCIP has many internal checks (many of which are numerical) that can fail</span></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// during various phases: upon startup, when loading the model, when solving,</span></div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// etc. Often, the user is meant to stop at the first error, but since most</span></div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// of the linear solver interface API doesn't support "error reporting", we</span></div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// store a potential error status here.</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// If this status isn't OK, then most operations will silently be cancelled.</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  absl::Status status_;</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  SCIP* scip_;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  std::vector<SCIP_VAR*> scip_variables_;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  std::vector<SCIP_CONS*> scip_constraints_;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">bool</span> branching_priority_reset_ = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> };</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
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<div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a9a897a055431b561bc3cb5eac98480ca"> 153</a></span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a9a897a055431b561bc3cb5eac98480ca">SCIPInterface::SCIPInterface</a>(<a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* solver)</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  : <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>(solver), scip_(nullptr) {</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  status_ = CreateSCIP();</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> }</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div>
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<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a184ec0d20ff98329d2d6d6320adeffb1"> 158</a></span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a184ec0d20ff98329d2d6d6320adeffb1">SCIPInterface::~SCIPInterface</a>() { DeleteSCIP(); }</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
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<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5"> 160</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5">SCIPInterface::Reset</a>() {</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  DeleteSCIP();</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  status_ = CreateSCIP();</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab2b08a14c8c4d2242558d3fa6a436e8c">ResetExtractionInformation</a>();</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> absl::Status SCIPInterface::CreateSCIP() {</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreate(&scip_));</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPincludeDefaultPlugins(scip_));</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// Set the emphasis to enum SCIP_PARAMEMPHASIS_FEASIBILITY. Do not print</span></div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// the new parameter (quiet = true).</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (FLAGS_scip_feasibility_emphasis) {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPsetEmphasis(scip_, SCIP_PARAMEMPHASIS_FEASIBILITY,</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">/*quiet=*/</span><span class="keyword">true</span>));</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// Default clock type. We use wall clock time because getting CPU user seconds</span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// involves calling times() which is very expensive.</span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// NOTE(user): Also, time limit based on CPU user seconds is *NOT* thread</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// safe. We observed that different instances of SCIP running concurrently</span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// in different threads consume the time limit *together*. E.g., 2 threads</span></div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// running SCIP with time limit 10s each will both terminate after ~5s.</span></div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  SCIPsetIntParam(scip_, <span class="stringliteral">"timing/clocktype"</span>, SCIP_CLOCKTYPE_WALL));</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateProb(scip_, <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->name_.c_str(), <span class="keyword">nullptr</span>,</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>,</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>));</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPsetObjsense(</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  scip_, <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">maximize_</a> ? SCIP_OBJSENSE_MAXIMIZE : SCIP_OBJSENSE_MINIMIZE));</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> }</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  </div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="keywordtype">void</span> SCIPInterface::DeleteSCIP() {</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// NOTE(user): DeleteSCIP() shouldn't "give up" mid-stage if it fails, since</span></div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// it might be the user's chance to reset the solver to start fresh without</span></div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// errors. The current code isn't perfect, since some CHECKs() remain, but</span></div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// hopefully they'll never be triggered in practice.</span></div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  CHECK(scip_ != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < scip_variables_.size(); ++i) {</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  CHECK_EQ(SCIPreleaseVar(scip_, &scip_variables_[i]), SCIP_OKAY);</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  scip_variables_.clear();</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < scip_constraints_.size(); ++j) {</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  CHECK_EQ(SCIPreleaseCons(scip_, &scip_constraints_[j]), SCIP_OKAY);</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  scip_constraints_.clear();</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  CHECK_EQ(SCIPfree(&scip_), SCIP_OKAY);</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  scip_ = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> }</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
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<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd"> 209</a></span> <span class="preprocessor">#define RETURN_IF_ALREADY_IN_ERROR_STATE \</span></div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor"> do { \</span></div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="preprocessor"> if (!status_.ok()) { \</span></div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor"> LOG_EVERY_N(INFO, 10) << "Early abort: SCIP is in error state."; \</span></div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor"> return; \</span></div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor"> } \</span></div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor"> } while (false)</span></div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
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<div class="line"><a name="l00217"></a><span class="lineno"><a class="line" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f"> 217</a></span> <span class="preprocessor">#define RETURN_AND_STORE_IF_SCIP_ERROR(x) \</span></div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor"> do { \</span></div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"> status_ = SCIP_TO_STATUS(x); \</span></div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor"> if (!status_.ok()) return; \</span></div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor"> } while (false)</span></div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment">// Not cached.</span></div>
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<div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af49d135ea40b2749802105381cf43cf4"> 224</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af49d135ea40b2749802105381cf43cf4">SCIPInterface::SetOptimizationDirection</a>(<span class="keywordtype">bool</span> maximize) {</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPsetObjsense(</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  scip_, maximize ? SCIP_OBJSENSE_MAXIMIZE : SCIP_OBJSENSE_MINIMIZE));</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> }</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
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<div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#addb54e5a4df07ffca5bcb804b92ae477"> 232</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#addb54e5a4df07ffca5bcb804b92ae477">SCIPInterface::SetVariableBounds</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) {</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index)) {</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// Not cached if the variable has been extracted.</span></div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  DCHECK_LT(var_index, <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>);</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  SCIPchgVarLb(scip_, scip_variables_[var_index], lb));</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  SCIPchgVarUb(scip_, scip_variables_[var_index], ub));</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  </div>
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<div class="line"><a name="l00248"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a9224449687a7cc715bb50c67579d6e48"> 248</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a9224449687a7cc715bb50c67579d6e48">SCIPInterface::SetVariableInteger</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">bool</span> integer) {</div>
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|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index)) {</div>
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|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// Not cached if the variable has been extracted.</span></div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor">#if (SCIP_VERSION >= 210)</span></div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  SCIP_Bool infeasible = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPchgVarType(</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  scip_, scip_variables_[var_index],</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  integer ? SCIP_VARTYPE_INTEGER : SCIP_VARTYPE_CONTINUOUS, &infeasible));</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPchgVarType(</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  scip_, scip_variables_[var_index],</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  integer ? SCIP_VARTYPE_INTEGER : SCIP_VARTYPE_CONTINUOUS));</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor">#endif // SCIP_VERSION >= 210</span></div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> }</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
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<div class="line"><a name="l00269"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a462b98e5264614683c26f693a9066a53"> 269</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a462b98e5264614683c26f693a9066a53">SCIPInterface::SetConstraintBounds</a>(<span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) {</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)) {</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// Not cached if the row has been extracted.</span></div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  DCHECK_LT(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>);</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  SCIPchgLhsLinear(scip_, scip_constraints_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>], lb));</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  SCIPchgRhsLinear(scip_, scip_constraints_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>], ub));</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  }</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> }</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
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<div class="line"><a name="l00285"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a22734d2e8cf1fbc6c9442ff16e9ff1c2"> 285</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a22734d2e8cf1fbc6c9442ff16e9ff1c2">SCIPInterface::SetCoefficient</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* constraint,</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable, <span class="keywordtype">double</span> new_value,</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordtype">double</span> old_value) {</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(variable-><a class="code" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>()) &&</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(constraint-><a class="code" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>())) {</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">// The modification of the coefficient for an extracted row and</span></div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="comment">// variable is not cached.</span></div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  DCHECK_LT(constraint-><a class="code" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>(), <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>);</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  DCHECK_LT(variable-><a class="code" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>(), <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>);</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// SCIP does not allow to set a coefficient directly, so we add the</span></div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// difference between the new and the old value instead.</span></div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddCoefLinear(</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  scip_, scip_constraints_[constraint-><a class="code" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>()],</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  scip_variables_[variable-><a class="code" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>()], new_value - old_value));</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// The modification of an unextracted row or variable is cached</span></div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">// and handled in ExtractModel.</span></div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> }</div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment">// Not cached</span></div>
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<div class="line"><a name="l00310"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a5001d62b9a3953e998a2dcc65e650384"> 310</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a5001d62b9a3953e998a2dcc65e650384">SCIPInterface::ClearConstraint</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* constraint) {</div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> constraint_index = constraint-><a class="code" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>();</div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// Constraint may not have been extracted yet.</span></div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(constraint_index)) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : constraint->coefficients_) {</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> old_coef_value = entry.second;</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  DCHECK(<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index));</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// Set coefficient to zero by substracting the old coefficient value.</span></div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  SCIPaddCoefLinear(scip_, scip_constraints_[constraint_index],</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  scip_variables_[var_index], -old_coef_value));</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  }</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> }</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment">// Cached</span></div>
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<div class="line"><a name="l00329"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#acde6592ac8af4c591ec42e840e3df10b"> 329</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#acde6592ac8af4c591ec42e840e3df10b">SCIPInterface::SetObjectiveCoefficient</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* variable,</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordtype">double</span> <a class="code" href="routing__search_8cc.html#ab66ad179c8a6fcf1adb958cb51f4c7cb">coefficient</a>) {</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> }</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  </div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment">// Cached</span></div>
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<div class="line"><a name="l00335"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a97e8091c50a3bfc2706b05806a96bdbd"> 335</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a97e8091c50a3bfc2706b05806a96bdbd">SCIPInterface::SetObjectiveOffset</a>(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> }</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  </div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// Clear objective of all its terms.</span></div>
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<div class="line"><a name="l00340"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068"> 340</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068">SCIPInterface::ClearObjective</a>() {</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="comment">// Clear linear terms</span></div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->objective_->coefficients_) {</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">// Variable may have not been extracted yet.</span></div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index)) {</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  DCHECK_NE(<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">MODEL_SYNCHRONIZED</a>, <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a>);</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  SCIPchgVarObj(scip_, scip_variables_[var_index], 0.0));</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">// Note: we don't clear the objective offset here because it's not necessary</span></div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="comment">// (it's always reset anyway in ExtractObjective) and we sometimes run into</span></div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="comment">// crashes when clearing the whole model (see</span></div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="comment">// http://test/OCL:253365573:BASE:253566457:1560777456754:e181f4ab).</span></div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// It's not worth to spend time investigating this issue.</span></div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> }</div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  </div>
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<div class="line"><a name="l00364"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a0f868ea21814f5c0e34d8e99d32b1695"> 364</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a0f868ea21814f5c0e34d8e99d32b1695">SCIPInterface::BranchingPriorityChangedForVariable</a>(<span class="keywordtype">int</span> var_index) {</div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">// As of 2019-05, SCIP does not support setting branching priority for</span></div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="comment">// variables in models that have already been solved. Therefore, we force</span></div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="comment">// reset the model when setting the priority on an already extracted variable.</span></div>
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="comment">// Note that this is a more drastic step than merely changing the sync_status.</span></div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="comment">// This may be slightly conservative, as it is technically possible that</span></div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">// the extraction has occurred without a call to Solve().</span></div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index)) {</div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  branching_priority_reset_ = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> }</div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  </div>
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<div class="line"><a name="l00376"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a319f20d3c7b1f1845eaa7733fddec5c5"> 376</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a319f20d3c7b1f1845eaa7733fddec5c5">SCIPInterface::AddRowConstraint</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) {</div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> }</div>
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  </div>
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<div class="line"><a name="l00380"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#acf102e862da164f1dc4c7bdc8ef83031"> 380</a></span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#acf102e862da164f1dc4c7bdc8ef83031">SCIPInterface::AddIndicatorConstraint</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) {</div>
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<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> }</div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  </div>
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<div class="line"><a name="l00385"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a982ccffd8a70d27afd8a7028640fcf74"> 385</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a982ccffd8a70d27afd8a7028640fcf74">SCIPInterface::AddVariable</a>(<a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) { <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>; }</div>
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  </div>
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<div class="line"><a name="l00387"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#acbd833d357081a9f005404f4eefde424"> 387</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#acbd833d357081a9f005404f4eefde424">SCIPInterface::ExtractNewVariables</a>() {</div>
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordtype">int</span> total_num_vars = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.size();</div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (total_num_vars > <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>) {</div>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="comment">// Define new variables</span></div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>; j < total_num_vars; ++j) {</div>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_[j];</div>
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<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  DCHECK(!<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(j));</div>
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aea23a93e629de1fd6eb44ee929ccc9ba">set_variable_as_extracted</a>(j, <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  SCIP_VAR* scip_var = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="comment">// The true objective coefficient will be set later in ExtractObjective.</span></div>
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<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordtype">double</span> tmp_obj_coef = 0.0;</div>
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<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPcreateVar(</div>
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<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  scip_, &scip_var, <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->name().c_str(), <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->lb(), <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->ub(),</div>
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<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  tmp_obj_coef,</div>
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<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->integer() ? SCIP_VARTYPE_INTEGER : SCIP_VARTYPE_CONTINUOUS, <span class="keyword">true</span>,</div>
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<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keyword">false</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>));</div>
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<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddVar(scip_, scip_var));</div>
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<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  scip_variables_.push_back(scip_var);</div>
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<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> branching_priority = <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->branching_priority();</div>
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<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (branching_priority != 0) {</div>
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<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->index();</div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPchgVarBranchPriority(</div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  scip_, scip_variables_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>], branching_priority));</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="comment">// Add new variables to existing constraints.</span></div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>; i++) {</div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_[i];</div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_) {</div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  DCHECK(<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index));</div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">if</span> (var_index >= <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>) {</div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">// The variable is new, so we know the previous coefficient</span></div>
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="comment">// value was 0 and we can directly add the coefficient.</span></div>
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  SCIPaddCoefLinear(scip_, scip_constraints_[i],</div>
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<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  scip_variables_[var_index], entry.second));</div>
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }</div>
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div>
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  }</div>
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<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div>
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<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> }</div>
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<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  </div>
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<div class="line"><a name="l00432"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f"> 432</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f">SCIPInterface::ExtractNewConstraints</a>() {</div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
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<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordtype">int</span> total_num_rows = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_.size();</div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a> < total_num_rows) {</div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
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<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="comment">// Find the length of the longest row.</span></div>
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<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordtype">int</span> max_row_length = 0;</div>
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<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>; i < total_num_rows; ++i) {</div>
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<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_[i];</div>
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<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  DCHECK(!<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(i));</div>
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<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a29cf940fae07f304b2ba22fbcfcefe71">set_constraint_as_extracted</a>(i, <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_.size() > max_row_length) {</div>
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<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  max_row_length = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_.size();</div>
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<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  }</div>
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<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  }</div>
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<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  std::unique_ptr<SCIP_VAR*[]> vars(<span class="keyword">new</span> SCIP_VAR*[max_row_length]);</div>
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<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  std::unique_ptr<double[]> coeffs(<span class="keyword">new</span> <span class="keywordtype">double</span>[max_row_length]);</div>
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<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="comment">// Add each new constraint.</span></div>
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<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>; i < total_num_rows; ++i) {</div>
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<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_[i];</div>
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<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  DCHECK(<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(i));</div>
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<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_.size();</div>
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<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordtype">int</span> j = 0;</div>
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<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_) {</div>
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<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
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<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  DCHECK(<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(var_index));</div>
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<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  vars[j] = scip_variables_[var_index];</div>
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<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  coeffs[j] = entry.second;</div>
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<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  j++;</div>
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<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  }</div>
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<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  SCIP_CONS* scip_constraint = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> is_lazy = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->is_lazy();</div>
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<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->indicator_variable() != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ind_index = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->indicator_variable()->index();</div>
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<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  DCHECK(<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(ind_index));</div>
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<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  SCIP_VAR* ind_var = scip_variables_[ind_index];</div>
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<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->indicator_value() == 0) {</div>
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<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
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|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  SCIPgetNegatedVar(scip_, scip_variables_[ind_index], &ind_var));</div>
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<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  }</div>
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<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  </div>
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<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->ub() < std::numeric_limits<double>::infinity()) {</div>
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<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPcreateConsIndicator(</div>
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<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  scip_, &scip_constraint, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->name().c_str(), ind_var, size,</div>
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<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  vars.get(), coeffs.get(), <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->ub(),</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="comment">/*initial=*/</span>!is_lazy,</div>
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<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="comment">/*separate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="comment">/*enforce=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="comment">/*check=*/</span><span class="keyword">true</span>,</div>
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|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="comment">/*propagate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="comment">/*local=*/</span><span class="keyword">false</span>,</div>
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<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="comment">/*dynamic=*/</span><span class="keyword">false</span>,</div>
|
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<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="comment">/*removable=*/</span>is_lazy,</div>
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="comment">/*stickingatnode=*/</span><span class="keyword">false</span>));</div>
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<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddCons(scip_, scip_constraint));</div>
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|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  scip_constraints_.push_back(scip_constraint);</div>
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<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div>
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<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->lb() > -std::numeric_limits<double>::infinity()) {</div>
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<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  coeffs[i] *= -1;</div>
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<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  }</div>
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<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPcreateConsIndicator(</div>
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<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  scip_, &scip_constraint, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->name().c_str(), ind_var, size,</div>
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<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  vars.get(), coeffs.get(), -<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->lb(),</div>
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|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="comment">/*initial=*/</span>!is_lazy,</div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="comment">/*separate=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="comment">/*enforce=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">/*check=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="comment">/*propagate=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="comment">/*local=*/</span><span class="keyword">false</span>,</div>
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|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="comment">/*dynamic=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">/*removable=*/</span>is_lazy,</div>
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<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="comment">/*stickingatnode=*/</span><span class="keyword">false</span>));</div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddCons(scip_, scip_constraint));</div>
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|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  scip_constraints_.push_back(scip_constraint);</div>
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|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  }</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="comment">// See</span></div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="comment">// http://scip.zib.de/doc/html/cons__linear_8h.php#aa7aed137a4130b35b168812414413481</span></div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="comment">// for an explanation of the parameters.</span></div>
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<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPcreateConsLinear(</div>
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|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  scip_, &scip_constraint, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->name().c_str(), size, vars.get(),</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  coeffs.get(), <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->lb(), <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->ub(),</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="comment">/*initial=*/</span>!is_lazy,</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="comment">/*separate=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="comment">/*enforce=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="comment">/*check=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="comment">/*propagate=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="comment">/*local=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="comment">/*modifiable=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="comment">/*dynamic=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="comment">/*removable=*/</span>is_lazy,</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="comment">/*stickingatnode=*/</span><span class="keyword">false</span>));</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddCons(scip_, scip_constraint));</div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  scip_constraints_.push_back(scip_constraint);</div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  }</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  }</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  }</div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> }</div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  </div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745"> 532</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745">SCIPInterface::ExtractObjective</a>() {</div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <a class="code" href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a>;</div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPfreeTransform(scip_));</div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="comment">// Linear objective: set objective coefficients for all variables (some might</span></div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="comment">// have been modified).</span></div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->objective_->coefficients_) {</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = entry.first->index();</div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> obj_coef = entry.second;</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(</div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  SCIPchgVarObj(scip_, scip_variables_[var_index], obj_coef));</div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  }</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  </div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="comment">// Constant term: change objective offset.</span></div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <a class="code" href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a>(SCIPaddOrigObjoffset(</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  scip_, <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code" href="classoperations__research_1_1_m_p_solver.html#a5004489a36bc1393efa043044a63732f">Objective</a>().<a class="code" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>() - SCIPgetOrigObjoffset(scip_)));</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> }</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  </div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"><a class="line" href="scip__interface_8cc.html#a8e8cab6c879dc456fe0096c02bce706e"> 549</a></span> <span class="preprocessor">#define RETURN_ABNORMAL_IF_BAD_STATUS \</span></div>
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<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <span class="preprocessor"> do { \</span></div>
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<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="preprocessor"> if (!status_.ok()) { \</span></div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="preprocessor"> LOG_IF(INFO, solver_->OutputIsEnabled()) \</span></div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="preprocessor"> << "Invalid SCIP status: " << status_; \</span></div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> <span class="preprocessor"> return result_status_ = MPSolver::ABNORMAL; \</span></div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span> <span class="preprocessor"> } \</span></div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span> <span class="preprocessor"> } while (false)</span></div>
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<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  </div>
|
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<div class="line"><a name="l00558"></a><span class="lineno"><a class="line" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4"> 558</a></span> <span class="preprocessor">#define RETURN_ABNORMAL_IF_SCIP_ERROR(x) \</span></div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="preprocessor"> do { \</span></div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> <span class="preprocessor"> RETURN_ABNORMAL_IF_BAD_STATUS; \</span></div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> <span class="preprocessor"> status_ = SCIP_TO_STATUS(x); \</span></div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="preprocessor"> RETURN_ABNORMAL_IF_BAD_STATUS; \</span></div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="preprocessor"> } while (false);</span></div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  </div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f"> 565</a></span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f">SCIPInterface::Solve</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) {</div>
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|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="comment">// "status_" may encode a variety of failure scenarios, many of which would</span></div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="comment">// correspond to another MPResultStatus than ABNORMAL, but since SCIP is a</span></div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="comment">// moving target, we use the most likely error code here (abnormalities,</span></div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <span class="comment">// often numeric), and rely on the user enabling output to see more details.</span></div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <a class="code" href="scip__interface_8cc.html#a8e8cab6c879dc456fe0096c02bce706e">RETURN_ABNORMAL_IF_BAD_STATUS</a>;</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  </div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <a class="code" href="class_wall_timer.html">WallTimer</a> timer;</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  timer.<a class="code" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  </div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="comment">// Note that SCIP does not provide any incrementality.</span></div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="comment">// TODO(user): Is that still true now (2018) ?</span></div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordflow">if</span> (param.<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#aeae0a6e1e84d015690573b08d62b1395">GetIntegerParam</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff">MPSolverParameters::INCREMENTALITY</a>) ==</div>
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|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb">MPSolverParameters::INCREMENTALITY_OFF</a> ||</div>
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|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  branching_priority_reset_) {</div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5">Reset</a>();</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  branching_priority_reset_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  }</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  </div>
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|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="comment">// Set log level.</span></div>
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|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  SCIPsetMessagehdlrQuiet(scip_, <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">quiet_</a>);</div>
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|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  </div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="comment">// Special case if the model is empty since SCIP expects a non-empty model.</span></div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.empty() && <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_.empty()) {</div>
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|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">SOLUTION_SYNCHRONIZED</a>;</div>
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|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">MPSolver::OPTIMAL</a>;</div>
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<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code" href="classoperations__research_1_1_m_p_solver.html#a5004489a36bc1393efa043044a63732f">Objective</a>().<a class="code" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>();</div>
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<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a>;</div>
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<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  }</div>
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<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  </div>
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<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afb4493b8573d16e076059c755d2213b0">ExtractModel</a>();</div>
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|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  VLOG(1) << absl::StrFormat(<span class="stringliteral">"Model built in %s."</span>,</div>
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|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  absl::FormatDuration(timer.<a class="code" href="class_wall_timer.html#a4529f7d5e72dcd2c9d8961ee60f0ed6a">GetDuration</a>()));</div>
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|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  </div>
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|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="comment">// Time limit.</span></div>
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<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code" href="classoperations__research_1_1_m_p_solver.html#aa42a63e7d72e799085af5a421b58b3ba">time_limit</a>() != 0) {</div>
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|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  VLOG(1) << <span class="stringliteral">"Setting time limit = "</span> << <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code" href="classoperations__research_1_1_m_p_solver.html#aa42a63e7d72e799085af5a421b58b3ba">time_limit</a>() << <span class="stringliteral">" ms."</span>;</div>
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<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  SCIPsetRealParam(scip_, <span class="stringliteral">"limits/time"</span>, <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code" href="classoperations__research_1_1_m_p_solver.html#ad58dd106d6ce5869923cc448621066d6">time_limit_in_secs</a>()));</div>
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|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPresetParam(scip_, <span class="stringliteral">"limits/time"</span>));</div>
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|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  }</div>
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|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  </div>
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|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="comment">// We first set our internal MPSolverParameters from param and then set any</span></div>
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|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="comment">// user specified internal solver, ie. SCIP, parameters via</span></div>
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|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="comment">// solver_specific_parameter_string_.</span></div>
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|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="comment">// Default MPSolverParameters can override custom parameters (for example for</span></div>
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|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="comment">// presolving) and therefore we apply MPSolverParameters first.</span></div>
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|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  SetParameters(param);</div>
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<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code" href="classoperations__research_1_1_m_p_solver.html#a77083241e8bdb93b619c7b9feaf82dec">SetSolverSpecificParametersAsString</a>(</div>
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<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->solver_specific_parameter_string_);</div>
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|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  </div>
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<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="comment">// Use the solution hint if any.</span></div>
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<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->solution_hint_.empty()) {</div>
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|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  SCIP_SOL* solution;</div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="keywordtype">bool</span> is_solution_partial = <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.size();</div>
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|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->solution_hint_.size() != num_vars) {</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="comment">// We start by creating an empty partial solution.</span></div>
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|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  SCIPcreatePartialSol(scip_, &solution, <span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  is_solution_partial = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="comment">// We start by creating the all-zero solution.</span></div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPcreateSol(scip_, &solution, <span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  }</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  </div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="comment">// Fill the other variables from the given solution hint.</span></div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::pair<const MPVariable*, double>& p :</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->solution_hint_) {</div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPsetSolVal(</div>
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|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  scip_, solution, scip_variables_[p.first->index()], p.second));</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  }</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  </div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">if</span> (!is_solution_partial) {</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  SCIP_Bool is_feasible;</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPcheckSol(</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  scip_, solution, <span class="comment">/*printreason=*/</span><span class="keyword">false</span>, <span class="comment">/*completely=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="comment">/*checkbounds=*/</span><span class="keyword">true</span>, <span class="comment">/*checkintegrality=*/</span><span class="keyword">true</span>, <span class="comment">/*checklprows=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  &is_feasible));</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  VLOG(1) << <span class="stringliteral">"Solution hint is "</span></div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  << (is_feasible ? <span class="stringliteral">"FEASIBLE"</span> : <span class="stringliteral">"INFEASIBLE"</span>);</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  }</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  </div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="comment">// TODO(user): I more or less copied this from the SCIPreadSol() code that</span></div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="comment">// reads a solution from a file. I am not sure what SCIPisTransformed() is</span></div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="comment">// or what is the difference between the try and add version. In any case</span></div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="comment">// this seems to always call SCIPaddSolFree() for now and it works.</span></div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  SCIP_Bool is_stored;</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">if</span> (!is_solution_partial && SCIPisTransformed(scip_)) {</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPtrySolFree(</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  scip_, &solution, <span class="comment">/*printreason=*/</span><span class="keyword">false</span>, <span class="comment">/*completely=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="comment">/*checkbounds=*/</span><span class="keyword">true</span>, <span class="comment">/*checkintegrality=*/</span><span class="keyword">true</span>, <span class="comment">/*checklprows=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  &is_stored));</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(</div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  SCIPaddSolFree(scip_, &solution, &is_stored));</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  }</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  }</div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  </div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="comment">// Solve.</span></div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  timer.<a class="code" href="class_wall_timer.html#a6bdbb9a2345c126ae0d72b1e2a9a21d5">Restart</a>();</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code" href="classoperations__research_1_1_m_p_solver.html#a8eb213aafa3773dfb6a05d184e61bb8a">GetNumThreads</a>() > 1</div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  ? SCIPsolveConcurrent(scip_)</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  : SCIPsolve(scip_));</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  VLOG(1) << absl::StrFormat(<span class="stringliteral">"Solved in %s."</span>,</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  absl::FormatDuration(timer.<a class="code" href="class_wall_timer.html#a4529f7d5e72dcd2c9d8961ee60f0ed6a">GetDuration</a>()));</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  </div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="comment">// Get the results.</span></div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  SCIP_SOL* <span class="keyword">const</span> solution = SCIPgetBestSol(scip_);</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordflow">if</span> (solution != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="comment">// If optimal or feasible solution is found.</span></div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  SetSolution(solution);</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  VLOG(1) << <span class="stringliteral">"No feasible solution found."</span>;</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  }</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  </div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="comment">// Check the status: optimal, infeasible, etc.</span></div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  SCIP_STATUS scip_status = SCIPgetStatus(scip_);</div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordflow">switch</span> (scip_status) {</div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keywordflow">case</span> SCIP_STATUS_OPTIMAL:</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">MPSolver::OPTIMAL</a>;</div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keywordflow">case</span> SCIP_STATUS_GAPLIMIT:</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="comment">// To be consistent with the other solvers.</span></div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">MPSolver::OPTIMAL</a>;</div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordflow">case</span> SCIP_STATUS_INFEASIBLE:</div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">MPSolver::INFEASIBLE</a>;</div>
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|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">case</span> SCIP_STATUS_UNBOUNDED:</div>
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|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef">MPSolver::UNBOUNDED</a>;</div>
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|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">case</span> SCIP_STATUS_INFORUNBD:</div>
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|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="comment">// TODO(user): We could introduce our own "infeasible or</span></div>
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<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <span class="comment">// unbounded" status.</span></div>
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<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">MPSolver::INFEASIBLE</a>;</div>
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|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keywordflow">default</span>:</div>
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|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keywordflow">if</span> (solution != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1">MPSolver::FEASIBLE</a>;</div>
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|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (scip_status == SCIP_STATUS_TIMELIMIT ||</div>
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<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  scip_status == SCIP_STATUS_TOTALNODELIMIT) {</div>
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<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f">MPSolver::NOT_SOLVED</a>;</div>
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|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">MPSolver::ABNORMAL</a>;</div>
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|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  }</div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  }</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  </div>
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|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <a class="code" href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a>(SCIPresetParams(scip_));</div>
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|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  </div>
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|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">SOLUTION_SYNCHRONIZED</a>;</div>
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|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a>;</div>
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|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> }</div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  </div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span> <span class="keywordtype">void</span> SCIPInterface::SetSolution(SCIP_SOL* solution) {</div>
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|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a> = SCIPgetSolOrigObj(scip_, solution);</div>
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|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  VLOG(1) << <span class="stringliteral">"objective="</span> << <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a>;</div>
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|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.size(); ++i) {</div>
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|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_[i];</div>
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|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->index();</div>
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|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> val =</div>
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|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  SCIPgetSolVal(scip_, solution, scip_variables_[var_index]);</div>
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|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->set_solution_value(val);</div>
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|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  VLOG(3) << <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->name() << <span class="stringliteral">"="</span> << val;</div>
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|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  }</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> }</div>
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|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  </div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#ae89a1af6564e5770bc880777f6d5457c"> 734</a></span> absl::optional<MPSolutionResponse> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#ae89a1af6564e5770bc880777f6d5457c">SCIPInterface::DirectlySolveProto</a>(</div>
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|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keyword">const</span> MPModelRequest& request) {</div>
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|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="comment">// ScipSolveProto doesn't solve concurrently.</span></div>
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|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code" href="classoperations__research_1_1_m_p_solver.html#a8eb213aafa3773dfb6a05d184e61bb8a">GetNumThreads</a>() > 1) <span class="keywordflow">return</span> absl::nullopt;</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  </div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="keyword">const</span> <span class="keyword">auto</span> status_or = <a class="code" href="namespaceoperations__research.html#a2b332c199c0cef58c53a677fdfa4996d">ScipSolveProto</a>(request);</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  <span class="keywordflow">if</span> (status_or.ok()) <span class="keywordflow">return</span> status_or.value();</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="comment">// Special case: if something is not implemented yet, fall back to solving</span></div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="comment">// through MPSolver.</span></div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keywordflow">if</span> (absl::IsUnimplemented(status_or.status())) <span class="keywordflow">return</span> absl::nullopt;</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  </div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">if</span> (request.enable_internal_solver_output()) {</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  LOG(INFO) << <span class="stringliteral">"Invalid SCIP status: "</span> << status_or.status();</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  }</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  MPSolutionResponse <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2">MPSOLVER_NOT_SOLVED</a>);</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(status_or.status().ToString());</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordflow">return</span> <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> }</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  </div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#af7e80556ff4ce3c05080ea2abec17f85"> 754</a></span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#af7e80556ff4ce3c05080ea2abec17f85">SCIPInterface::iterations</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="comment">// NOTE(user): As of 2018-12 it doesn't run in the stubby server, and is</span></div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <span class="comment">// a specialized call, so it's ok to crash if the status is broken.</span></div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>()) <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a1461ffb1b21270fee7203f9aab70340c">kUnknownNumberOfIterations</a>;</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="keywordflow">return</span> SCIPgetNLPIterations(scip_);</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> }</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  </div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a36a3b08cbab0d397277a774e77ac17c5"> 761</a></span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a36a3b08cbab0d397277a774e77ac17c5">SCIPInterface::nodes</a>()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="comment">// NOTE(user): Same story as iterations(): it's OK to crash here.</span></div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>()) <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a129e49bdbf16379c8d1f0fa62cab77cb">kUnknownNumberOfNodes</a>;</div>
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|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="comment">// This is the total number of nodes used in the solve, potentially across</span></div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="comment">// multiple branch-and-bound trees. Use limits/totalnodes (rather than</span></div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="comment">// limits/nodes) to control this value.</span></div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="keywordflow">return</span> SCIPgetNTotalNodes(scip_);</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span> }</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  </div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_s_c_i_p_interface.html#a9912dbe4ba7f90983fac140395f15189"> 770</a></span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html#a9912dbe4ba7f90983fac140395f15189">SCIPInterface::best_objective_bound</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  <span class="comment">// NOTE(user): Same story as iterations(): it's OK to crash here.</span></div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="keywordflow">if</span> (!<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>() || !<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2aa5b7a8ab0d3fd11827e3e1b63cdfa1">CheckBestObjectiveBoundExists</a>()) {</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a48fd9ef3673eb22c4bc793d946895531">trivial_worst_objective_bound</a>();</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  }</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keywordflow">if</span> (<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.empty() && <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_.empty()) {</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="comment">// Special case for empty model.</span></div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code" href="classoperations__research_1_1_m_p_solver.html#a5004489a36bc1393efa043044a63732f">Objective</a>().<a class="code" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>();</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">return</span> SCIPgetDualbound(scip_);</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  }</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> }</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  </div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> <span class="keywordtype">void</span> SCIPInterface::SetParameters(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) {</div>
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|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af8505c2f03b5b90c1080452e26397275">SetCommonParameters</a>(param);</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a40c40e3b24a8874fb084ad6d19893e73">SetMIPParameters</a>(param);</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> }</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  </div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> <span class="keywordtype">void</span> SCIPInterface::SetRelativeMipGap(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="comment">// NOTE(user): We don't want to call RETURN_IF_ALREADY_IN_ERROR_STATE here,</span></div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="comment">// because even if the solver is in an error state, the user might be setting</span></div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="comment">// some parameters and then "restoring" the solver to a non-error state by</span></div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="comment">// calling Reset(), which should *not* reset the parameters.</span></div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="comment">// So we want the parameter-setting functions to be resistant to being in an</span></div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="comment">// error state, essentially. What we do is:</span></div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="comment">// - we call the parameter-setting function anyway (I'm assuming that SCIP</span></div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="comment">// won't crash even if we're in an error state. I did *not* verify this).</span></div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="comment">// - if that call yielded an error *and* we weren't already in an error state,</span></div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="comment">// set the state to that error we just got.</span></div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <a class="code" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetRealParam(scip_, <span class="stringliteral">"limits/gap"</span>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
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|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> }</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  </div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> <span class="keywordtype">void</span> SCIPInterface::SetPrimalTolerance(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="comment">// SCIP automatically updates numerics/lpfeastol if the primal tolerance is</span></div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="comment">// tighter. Doing that it unconditionally logs this modification to stderr. By</span></div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="comment">// setting numerics/lpfeastol first we avoid this unwanted log.</span></div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="comment">// double current_lpfeastol = 0.0;</span></div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="comment">// CHECK_EQ(SCIP_OKAY,</span></div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="comment">// SCIPgetRealParam(scip_, "numerics/lpfeastol",</span></div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="comment">// &current_lpfeastol));</span></div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="comment">// if (value < current_lpfeastol) {</span></div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="comment">// // See the NOTE on SetRelativeMipGap().</span></div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="comment">// const auto status =</span></div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="comment">// SCIP_TO_STATUS(SCIPsetRealParam(scip_, "numerics/lpfeastol", value));</span></div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="comment">// if (status_.ok()) status_ = status;</span></div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="comment">// }</span></div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="comment">// See the NOTE on SetRelativeMipGap().</span></div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  <a class="code" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetRealParam(scip_, <span class="stringliteral">"numerics/feastol"</span>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span> }</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  </div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <span class="keywordtype">void</span> SCIPInterface::SetDualTolerance(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <a class="code" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetRealParam(scip_, <span class="stringliteral">"numerics/dualfeastol"</span>, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span> }</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  </div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span> <span class="keywordtype">void</span> SCIPInterface::SetPresolveMode(<span class="keywordtype">int</span> presolve) {</div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="comment">// See the NOTE on SetRelativeMipGap().</span></div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="keywordflow">switch</span> (presolve) {</div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a">MPSolverParameters::PRESOLVE_OFF</a>: {</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <a class="code" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetIntParam(scip_, <span class="stringliteral">"presolving/maxrounds"</span>, 0));</div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  }</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a">MPSolverParameters::PRESOLVE_ON</a>: {</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <a class="code" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetIntParam(scip_, <span class="stringliteral">"presolving/maxrounds"</span>, -1));</div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  }</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  SetIntegerParamToUnsupportedValue(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403">MPSolverParameters::PRESOLVE</a>, presolve);</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  }</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  }</div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span> }</div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  </div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> <span class="keywordtype">void</span> SCIPInterface::SetScalingMode(<span class="keywordtype">int</span> scaling) {</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  SetUnsupportedIntegerParam(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0">MPSolverParameters::SCALING</a>);</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> }</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  </div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span> <span class="comment">// Only the root LP algorithm is set as setting the node LP to a</span></div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span> <span class="comment">// non-default value rarely is beneficial. The node LP algorithm could</span></div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span> <span class="comment">// be set as well with "lp/resolvealgorithm".</span></div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span> <span class="keywordtype">void</span> SCIPInterface::SetLpAlgorithm(<span class="keywordtype">int</span> lp_algorithm) {</div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="comment">// See the NOTE on SetRelativeMipGap().</span></div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="keywordflow">switch</span> (lp_algorithm) {</div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b">MPSolverParameters::DUAL</a>: {</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <a class="code" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetCharParam(scip_, <span class="stringliteral">"lp/initalgorithm"</span>, <span class="charliteral">'d'</span>));</div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  }</div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee">MPSolverParameters::PRIMAL</a>: {</div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <a class="code" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetCharParam(scip_, <span class="stringliteral">"lp/initalgorithm"</span>, <span class="charliteral">'p'</span>));</div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  }</div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="keywordflow">case</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493">MPSolverParameters::BARRIER</a>: {</div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="comment">// Barrier with crossover.</span></div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <span class="keyword">const</span> <span class="keyword">auto</span> status =</div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <a class="code" href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a>(SCIPsetCharParam(scip_, <span class="stringliteral">"lp/initalgorithm"</span>, <span class="charliteral">'p'</span>));</div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="keywordflow">if</span> (status_.ok()) status_ = status;</div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  }</div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  SetIntegerParamToUnsupportedValue(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b">MPSolverParameters::LP_ALGORITHM</a>,</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  lp_algorithm);</div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  }</div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  }</div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> }</div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  </div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span> <span class="keywordtype">void</span> SCIPInterface::SetUnsupportedIntegerParam(</div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param) {</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#acfc10005cc5c154f193ecf163ba7a646">MPSolverInterface::SetUnsupportedIntegerParam</a>(param);</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keywordflow">if</span> (status_.ok()) {</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  status_ = absl::InvalidArgumentError(absl::StrFormat(</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="stringliteral">"Tried to set unsupported integer parameter %d"</span>, param));</div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  }</div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span> }</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  </div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> <span class="keywordtype">void</span> SCIPInterface::SetIntegerParamToUnsupportedValue(</div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param, <span class="keywordtype">int</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a12cee0b1a4374aaa9962daa50be5bded">MPSolverInterface::SetIntegerParamToUnsupportedValue</a>(param, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keywordflow">if</span> (status_.ok()) {</div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  status_ = absl::InvalidArgumentError(absl::StrFormat(</div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="stringliteral">"Tried to set integer parameter %d to unsupported value %d"</span>, param,</div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  }</div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> }</div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  </div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> absl::Status SCIPInterface::SetNumThreads(<span class="keywordtype">int</span> num_threads) {</div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <span class="keywordflow">if</span> (SetSolverSpecificParametersAsString(</div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  absl::StrFormat(<span class="stringliteral">"parallel/maxnthreads = %d\n"</span>, num_threads))) {</div>
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<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  }</div>
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<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordflow">return</span> absl::InternalError(</div>
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<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <span class="stringliteral">"Could not set parallel/maxnthreads, which may "</span></div>
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<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <span class="stringliteral">"indicate that SCIP API has changed."</span>);</div>
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<div class="line"><a name="l00916"></a><span class="lineno"> 916</span> }</div>
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<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  </div>
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<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> <span class="keywordtype">bool</span> SCIPInterface::SetSolverSpecificParametersAsString(</div>
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<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  <span class="keyword">const</span> std::string& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>) {</div>
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<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <span class="keyword">const</span> absl::Status s =</div>
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<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <a class="code" href="namespaceoperations__research.html#a76aab90f58c6023c4574c8f4d49533bc">operations_research::ScipSetSolverSpecificParameters</a>(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, scip_);</div>
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<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  <span class="keywordflow">if</span> (!s.ok()) {</div>
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<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  LOG(WARNING) << <span class="stringliteral">"Failed to set SCIP parameter string: "</span> << <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div>
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<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  << <span class="stringliteral">", error is: "</span> << s;</div>
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<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  }</div>
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<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="keywordflow">return</span> s.ok();</div>
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<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> }</div>
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<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  </div>
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<div class="line"><a name="l00929"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a1bdf7de568fd36934caf67b1bfd20455"> 929</a></span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>* <a class="code" href="namespaceoperations__research.html#a1bdf7de568fd36934caf67b1bfd20455">BuildSCIPInterface</a>(<a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* <span class="keyword">const</span> solver) {</div>
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<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classoperations__research_1_1_s_c_i_p_interface.html">SCIPInterface</a>(solver);</div>
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<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> }</div>
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<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  </div>
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<div class="line"><a name="l00933"></a><span class="lineno"> 933</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> <span class="preprocessor">#endif // #if defined(USE_SCIP)</span></div>
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<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  </div>
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<div class="line"><a name="l00936"></a><span class="lineno"> 936</span> <span class="preprocessor">#undef RETURN_AND_STORE_IF_SCIP_ERROR</span></div>
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<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> <span class="preprocessor">#undef RETURN_IF_ALREADY_IN_ERROR_STATE</span></div>
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<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> <span class="preprocessor">#undef RETURN_ABNORMAL_IF_BAD_STATUS</span></div>
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<div class="line"><a name="l00939"></a><span class="lineno"> 939</span> <span class="preprocessor">#undef RETURN_ABNORMAL_IF_SCIP_ERROR</span></div>
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- doc-content -->
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<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01858">expr_array.cc:1858</a></div></div>
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<div class="ttc" id="acp__model__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#l02065">cp_model_solver.cc:2065</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a3cf2f9d593dc71ba1d2114bb70d25745"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745">operations_research::SCIPInterface::ExtractObjective</a></div><div class="ttdeci">void ExtractObjective() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00532">scip_interface.cc:532</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a4138871e96e884736818baa24b937ca5"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a4138871e96e884736818baa24b937ca5">operations_research::SCIPInterface::IsContinuous</a></div><div class="ttdeci">bool IsContinuous() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00087">scip_interface.cc:87</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a2b332c199c0cef58c53a677fdfa4996d"><div class="ttname"><a href="namespaceoperations__research.html#a2b332c199c0cef58c53a677fdfa4996d">operations_research::ScipSolveProto</a></div><div class="ttdeci">absl::StatusOr< MPSolutionResponse > ScipSolveProto(const MPModelRequest &request)</div><div class="ttdef"><b>Definition:</b> <a href="scip__proto__solver_8cc_source.html#l00740">scip_proto_solver.cc:740</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_acde6592ac8af4c591ec42e840e3df10b"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#acde6592ac8af4c591ec42e840e3df10b">operations_research::SCIPInterface::SetObjectiveCoefficient</a></div><div class="ttdeci">void SetObjectiveCoefficient(const MPVariable *variable, double coefficient) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00329">scip_interface.cc:329</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_acbd833d357081a9f005404f4eefde424"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#acbd833d357081a9f005404f4eefde424">operations_research::SCIPInterface::ExtractNewVariables</a></div><div class="ttdeci">void ExtractNewVariables() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00387">scip_interface.cc:387</a></div></div>
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<div class="ttc" id="alinear__solver_8pb_8h_html"><div class="ttname"><a href="linear__solver_8pb_8h.html">linear_solver.pb.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">operations_research::MPSolver::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div><div class="ttdoc">optimal.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00427">linear_solver.h:427</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a48fd9ef3673eb22c4bc793d946895531"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a48fd9ef3673eb22c4bc793d946895531">operations_research::MPSolverInterface::trivial_worst_objective_bound</a></div><div class="ttdeci">double trivial_worst_objective_bound() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01682">linear_solver.cc:1682</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b">operations_research::MPSolverParameters::LP_ALGORITHM</a></div><div class="ttdeci">@ LP_ALGORITHM</div><div class="ttdoc">Algorithm to solve linear programs.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01381">linear_solver.h:1381</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a5001d62b9a3953e998a2dcc65e650384"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a5001d62b9a3953e998a2dcc65e650384">operations_research::SCIPInterface::ClearConstraint</a></div><div class="ttdeci">void ClearConstraint(MPConstraint *constraint) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00310">scip_interface.cc:310</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_variable_html_acca41811e8aaab0112b987749c0ecb93"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">operations_research::MPVariable::index</a></div><div class="ttdeci">int index() const</div><div class="ttdoc">Returns the index of the variable in the MPSolver::variables_.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01071">linear_solver.h:1071</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a5004489a36bc1393efa043044a63732f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a5004489a36bc1393efa043044a63732f">operations_research::MPSolver::Objective</a></div><div class="ttdeci">const MPObjective & Objective() const</div><div class="ttdoc">Returns the objective object.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00414">linear_solver.h:414</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef">operations_research::MPSolver::UNBOUNDED</a></div><div class="ttdeci">@ UNBOUNDED</div><div class="ttdoc">proven unbounded.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00433">linear_solver.h:433</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af82f4acaed7bb39d568e689a9caa63d5"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af82f4acaed7bb39d568e689a9caa63d5">operations_research::SCIPInterface::Reset</a></div><div class="ttdeci">void Reset() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00160">scip_interface.cc:160</a></div></div>
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<div class="ttc" id="ascip__helper__macros_8h_html"><div class="ttname"><a href="scip__helper__macros_8h.html">scip_helper_macros.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_aa2fedb3c02ffb092a6c19a0ee1e81a02"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">operations_research::MPSolverInterface::quiet_</a></div><div class="ttdeci">bool quiet_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01736">linear_solver.h:1736</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a42d79af323cdc77e77c19ee22f9e3aa9"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">operations_research::MPSolverInterface::last_constraint_index_</a></div><div class="ttdeci">int last_constraint_index_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01728">linear_solver.h:1728</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html">operations_research::MPSolver</a></div><div class="ttdoc">This mathematical programming (MP) solver class is the main class though which users build and solve ...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00177">linear_solver.h:177</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a9224449687a7cc715bb50c67579d6e48"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a9224449687a7cc715bb50c67579d6e48">operations_research::SCIPInterface::SetVariableInteger</a></div><div class="ttdeci">void SetVariableInteger(int var_index, bool integer) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00248">scip_interface.cc:248</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">operations_research::MPSolverInterface::MODEL_SYNCHRONIZED</a></div><div class="ttdeci">@ MODEL_SYNCHRONIZED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01523">linear_solver.h:1523</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a2aa5b7a8ab0d3fd11827e3e1b63cdfa1"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a2aa5b7a8ab0d3fd11827e3e1b63cdfa1">operations_research::MPSolverInterface::CheckBestObjectiveBoundExists</a></div><div class="ttdeci">virtual bool CheckBestObjectiveBoundExists() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01672">linear_solver.cc:1672</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_objective_html_a96ffc785b7b2135c7980c985883ffdd3"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">operations_research::MPObjective::offset</a></div><div class="ttdeci">double offset() const</div><div class="ttdoc">Gets the constant term in the objective.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00959">linear_solver.h:959</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a36a3b08cbab0d397277a774e77ac17c5"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a36a3b08cbab0d397277a774e77ac17c5">operations_research::SCIPInterface::nodes</a></div><div class="ttdeci">int64 nodes() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00761">scip_interface.cc:761</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af648842d17e3301389e84dbf0cfcef18"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af648842d17e3301389e84dbf0cfcef18">operations_research::SCIPInterface::column_status</a></div><div class="ttdeci">MPSolver::BasisStatus column_status(int variable_index) const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00082">scip_interface.cc:82</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a315d9a97f1e37fd6773f8312aedc5c93"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">operations_research::MPSolverInterface::InvalidateSolutionSynchronization</a></div><div class="ttdeci">void InvalidateSolutionSynchronization()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01692">linear_solver.cc:1692</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html">operations_research::SCIPInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00048">scip_interface.cc:48</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a3311d007f8d5b65f31747fc5b2ab58eb"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a3311d007f8d5b65f31747fc5b2ab58eb">operations_research::SCIPInterface::underlying_solver</a></div><div class="ttdeci">void * underlying_solver() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00106">scip_interface.cc:106</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html">operations_research::MPSolverInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01514">linear_solver.h:1514</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">operations_research::MPSolver::ABNORMAL</a></div><div class="ttdeci">@ ABNORMAL</div><div class="ttdoc">abnormal, i.e., error of some kind.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00435">linear_solver.h:435</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html_a6bdbb9a2345c126ae0d72b1e2a9a21d5"><div class="ttname"><a href="class_wall_timer.html#a6bdbb9a2345c126ae0d72b1e2a9a21d5">WallTimer::Restart</a></div><div class="ttdeci">void Restart()</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00035">timer.h:35</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_constraint_html_acca41811e8aaab0112b987749c0ecb93"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">operations_research::MPConstraint::index</a></div><div class="ttdeci">int index() const</div><div class="ttdoc">Returns the index of the constraint in the MPSolver::constraints_.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01243">linear_solver.h:1243</a></div></div>
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<div class="ttc" id="ascip__proto__solver_8h_html"><div class="ttname"><a href="scip__proto__solver_8h.html">scip_proto_solver.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a97e8091c50a3bfc2706b05806a96bdbd"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a97e8091c50a3bfc2706b05806a96bdbd">operations_research::SCIPInterface::SetObjectiveOffset</a></div><div class="ttdeci">void SetObjectiveOffset(double value) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00335">scip_interface.cc:335</a></div></div>
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<div class="ttc" id="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00508">pack.cc:508</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html">operations_research::MPSolverParameters</a></div><div class="ttdoc">This class stores parameter settings for LP and MIP solvers.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01358">linear_solver.h:1358</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_constraint_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html">operations_research::MPConstraint</a></div><div class="ttdoc">The class for constraints of a Mathematical Programming (MP) model.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01175">linear_solver.h:1175</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a59bc4e0d53dc2b904c7bee672403c0eb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">operations_research::MPSolverInterface::constraint_is_extracted</a></div><div class="ttdeci">bool constraint_is_extracted(int ct_index) const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01664">linear_solver.h:1664</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a">operations_research::MPSolverParameters::PRESOLVE_ON</a></div><div class="ttdeci">@ PRESOLVE_ON</div><div class="ttdoc">Presolve is on.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01394">linear_solver.h:1393</a></div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a1ea9e351e9f26e38b029c3cb01f167cd"><div class="ttname"><a href="scip__interface_8cc.html#a1ea9e351e9f26e38b029c3cb01f167cd">RETURN_IF_ALREADY_IN_ERROR_STATE</a></div><div class="ttdeci">#define RETURN_IF_ALREADY_IN_ERROR_STATE</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00209">scip_interface.cc:209</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_acf102e862da164f1dc4c7bdc8ef83031"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#acf102e862da164f1dc4c7bdc8ef83031">operations_research::SCIPInterface::AddIndicatorConstraint</a></div><div class="ttdeci">bool AddIndicatorConstraint(MPConstraint *ct) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00380">scip_interface.cc:380</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_af093ce79e6a0d2e334ebe94579003de6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">operations_research::MPSolverInterface::objective_value_</a></div><div class="ttdeci">double objective_value_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01733">linear_solver.h:1733</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_aeae0a6e1e84d015690573b08d62b1395"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#aeae0a6e1e84d015690573b08d62b1395">operations_research::MPSolverParameters::GetIntegerParam</a></div><div class="ttdeci">int GetIntegerParam(MPSolverParameters::IntegerParam param) const</div><div class="ttdoc">Returns the value of an integer parameter.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01973">linear_solver.cc:1973</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html_a07aaf1227e4d645f15e0a964f54ef291"><div class="ttname"><a href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">WallTimer::Start</a></div><div class="ttdeci">void Start()</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00031">timer.h:31</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_ab2b08a14c8c4d2242558d3fa6a436e8c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ab2b08a14c8c4d2242558d3fa6a436e8c">operations_research::MPSolverInterface::ResetExtractionInformation</a></div><div class="ttdeci">void ResetExtractionInformation()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01640">linear_solver.cc:1640</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a1461ffb1b21270fee7203f9aab70340c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a1461ffb1b21270fee7203f9aab70340c">operations_research::MPSolverInterface::kUnknownNumberOfIterations</a></div><div class="ttdeci">static constexpr int64 kUnknownNumberOfIterations</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01531">linear_solver.h:1531</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a3f09fb4ef39e8d4ab6607b61aeaa0a2b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">operations_research::MPSolverInterface::solver_</a></div><div class="ttdeci">MPSolver *const solver_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01718">linear_solver.h:1718</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_addb54e5a4df07ffca5bcb804b92ae477"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#addb54e5a4df07ffca5bcb804b92ae477">operations_research::SCIPInterface::SetVariableBounds</a></div><div class="ttdeci">void SetVariableBounds(int var_index, double lb, double ub) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00232">scip_interface.cc:232</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a4a29067fc2546e6cbee9b6cb77fa4a22"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a4a29067fc2546e6cbee9b6cb77fa4a22">operations_research::SCIPInterface::InterruptSolve</a></div><div class="ttdeci">bool InterruptSolve() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00101">scip_interface.cc:101</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f">operations_research::MPSolver::NOT_SOLVED</a></div><div class="ttdeci">@ NOT_SOLVED</div><div class="ttdoc">not been solved yet.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00440">linear_solver.h:439</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a1bdf7de568fd36934caf67b1bfd20455"><div class="ttname"><a href="namespaceoperations__research.html#a1bdf7de568fd36934caf67b1bfd20455">operations_research::BuildSCIPInterface</a></div><div class="ttdeci">MPSolverInterface * BuildSCIPInterface(MPSolver *const solver)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00929">scip_interface.cc:929</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a129e49bdbf16379c8d1f0fa62cab77cb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a129e49bdbf16379c8d1f0fa62cab77cb">operations_research::MPSolverInterface::kUnknownNumberOfNodes</a></div><div class="ttdeci">static constexpr int64 kUnknownNumberOfNodes</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01534">linear_solver.h:1534</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a77083241e8bdb93b619c7b9feaf82dec"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a77083241e8bdb93b619c7b9feaf82dec">operations_research::MPSolver::SetSolverSpecificParametersAsString</a></div><div class="ttdeci">bool SetSolverSpecificParametersAsString(const std::string &parameters)</div><div class="ttdoc">Advanced usage: pass solver specific parameters in text format.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l00345">linear_solver.cc:345</a></div></div>
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<div class="ttc" id="atimer_8h_html"><div class="ttname"><a href="timer_8h.html">timer.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403">operations_research::MPSolverParameters::PRESOLVE</a></div><div class="ttdeci">@ PRESOLVE</div><div class="ttdoc">Advanced usage: presolve mode.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01379">linear_solver.h:1379</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">operations_research::MPSolver::FREE</a></div><div class="ttdeci">@ FREE</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00641">linear_solver.h:641</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">operations_research::MPSolverInterface::SOLUTION_SYNCHRONIZED</a></div><div class="ttdeci">@ SOLUTION_SYNCHRONIZED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01527">linear_solver.h:1526</a></div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a8e8cab6c879dc456fe0096c02bce706e"><div class="ttname"><a href="scip__interface_8cc.html#a8e8cab6c879dc456fe0096c02bce706e">RETURN_ABNORMAL_IF_BAD_STATUS</a></div><div class="ttdeci">#define RETURN_ABNORMAL_IF_BAD_STATUS</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00549">scip_interface.cc:549</a></div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a2062b8242f9df918deea5453973753f4"><div class="ttname"><a href="scip__interface_8cc.html#a2062b8242f9df918deea5453973753f4">RETURN_ABNORMAL_IF_SCIP_ERROR</a></div><div class="ttdeci">#define RETURN_ABNORMAL_IF_SCIP_ERROR(x)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00558">scip_interface.cc:558</a></div></div>
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<div class="ttc" id="alpi__glop_8cc_html_aed7c57c93675aae2562abab53b487ce7"><div class="ttname"><a href="lpi__glop_8cc.html#aed7c57c93675aae2562abab53b487ce7">SCIPlpiGetSolverName</a></div><div class="ttdeci">const char * SCIPlpiGetSolverName(void)</div><div class="ttdoc">gets name and version of LP solver</div><div class="ttdef"><b>Definition:</b> <a href="lpi__glop_8cc_source.html#l00137">lpi_glop.cc:137</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a12cee0b1a4374aaa9962daa50be5bded"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a12cee0b1a4374aaa9962daa50be5bded">operations_research::MPSolverInterface::SetIntegerParamToUnsupportedValue</a></div><div class="ttdeci">virtual void SetIntegerParamToUnsupportedValue(MPSolverParameters::IntegerParam param, int value)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01748">linear_solver.cc:1748</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_aa42a63e7d72e799085af5a421b58b3ba"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aa42a63e7d72e799085af5a421b58b3ba">operations_research::MPSolver::time_limit</a></div><div class="ttdeci">int64 time_limit() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00777">linear_solver.h:777</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a22734d2e8cf1fbc6c9442ff16e9ff1c2"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a22734d2e8cf1fbc6c9442ff16e9ff1c2">operations_research::SCIPInterface::SetCoefficient</a></div><div class="ttdeci">void SetCoefficient(MPConstraint *constraint, const MPVariable *variable, double new_value, double old_value) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00285">scip_interface.cc:285</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">operations_research::MPSolver::BasisStatus</a></div><div class="ttdeci">BasisStatus</div><div class="ttdoc">Advanced usage: possible basis status values for a variable and the slack variable of a linear constr...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00640">linear_solver.h:640</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a4a2cd522f4d71f1bd1f50b9b013b696f"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f">operations_research::SCIPInterface::Solve</a></div><div class="ttdeci">MPSolver::ResultStatus Solve(const MPSolverParameters &param) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00565">scip_interface.cc:565</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a9a897a055431b561bc3cb5eac98480ca"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a9a897a055431b561bc3cb5eac98480ca">operations_research::SCIPInterface::SCIPInterface</a></div><div class="ttdeci">SCIPInterface(MPSolver *solver)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00153">scip_interface.cc:153</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a319f20d3c7b1f1845eaa7733fddec5c5"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a319f20d3c7b1f1845eaa7733fddec5c5">operations_research::SCIPInterface::AddRowConstraint</a></div><div class="ttdeci">void AddRowConstraint(MPConstraint *ct) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00376">scip_interface.cc:376</a></div></div>
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<div class="ttc" id="astatus__macros_8h_html"><div class="ttname"><a href="status__macros_8h.html">status_macros.h</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695"><div class="ttname"><a href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a></div><div class="ttdeci">const Constraint * ct</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00042">demon_profiler.cc:42</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html"><div class="ttname"><a href="class_wall_timer.html">WallTimer</a></div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00023">timer.h:23</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_ae89a1af6564e5770bc880777f6d5457c"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#ae89a1af6564e5770bc880777f6d5457c">operations_research::SCIPInterface::DirectlySolveProto</a></div><div class="ttdeci">absl::optional< MPSolutionResponse > DirectlySolveProto(const MPModelRequest &request) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00734">scip_interface.cc:734</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a184ec0d20ff98329d2d6d6320adeffb1"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a184ec0d20ff98329d2d6d6320adeffb1">operations_research::SCIPInterface::~SCIPInterface</a></div><div class="ttdeci">~SCIPInterface() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00158">scip_interface.cc:158</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_acfc10005cc5c154f193ecf163ba7a646"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#acfc10005cc5c154f193ecf163ba7a646">operations_research::MPSolverInterface::SetUnsupportedIntegerParam</a></div><div class="ttdeci">virtual void SetUnsupportedIntegerParam(MPSolverParameters::IntegerParam param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01739">linear_solver.cc:1739</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb">operations_research::MPSolverParameters::INCREMENTALITY_OFF</a></div><div class="ttdeci">@ INCREMENTALITY_OFF</div><div class="ttdoc">Start solve from scratch.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01409">linear_solver.h:1409</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_afbef7ee46d807e084dcf1fca7a4de2e7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">operations_research::MPSolverInterface::sync_status_</a></div><div class="ttdeci">SynchronizationStatus sync_status_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01720">linear_solver.h:1720</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_ae3441d342bd353e7ce0aa60662872592"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#ae3441d342bd353e7ce0aa60662872592">operations_research::SCIPInterface::IsMIP</a></div><div class="ttdeci">bool IsMIP() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00089">scip_interface.cc:89</a></div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a3bee93eab1478b18c16b877db7c3885f"><div class="ttname"><a href="scip__interface_8cc.html#a3bee93eab1478b18c16b877db7c3885f">RETURN_AND_STORE_IF_SCIP_ERROR</a></div><div class="ttdeci">#define RETURN_AND_STORE_IF_SCIP_ERROR(x)</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00217">scip_interface.cc:217</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_ad58dd106d6ce5869923cc448621066d6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ad58dd106d6ce5869923cc448621066d6">operations_research::MPSolver::time_limit_in_secs</a></div><div class="ttdeci">double time_limit_in_secs() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00787">linear_solver.h:787</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2">operations_research::MPSOLVER_NOT_SOLVED</a></div><div class="ttdeci">@ MPSOLVER_NOT_SOLVED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00234">linear_solver.pb.h:234</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">operations_research::MPSolver::ResultStatus</a></div><div class="ttdeci">ResultStatus</div><div class="ttdoc">The status of solving the problem.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00425">linear_solver.h:425</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_ab98fea2f5c1fd6b9b139aae267a143a8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">operations_research::MPSolverInterface::variable_is_extracted</a></div><div class="ttdeci">bool variable_is_extracted(int var_index) const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01658">linear_solver.h:1658</a></div></div>
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<div class="ttc" id="ascip__interface_8cc_html_a025169f72a0c39595f2f1c121f766a92"><div class="ttname"><a href="scip__interface_8cc.html#a025169f72a0c39595f2f1c121f766a92">DEFINE_bool</a></div><div class="ttdeci">DEFINE_bool(scip_feasibility_emphasis, false, "When true, emphasize search towards feasibility. This may or " "may not result in speedups in some problems.")</div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_afb4493b8573d16e076059c755d2213b0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#afb4493b8573d16e076059c755d2213b0">operations_research::MPSolverInterface::ExtractModel</a></div><div class="ttdeci">void ExtractModel()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01612">linear_solver.cc:1612</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af9cf3c86b3e07b1f6761f3d12f04b068"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068">operations_research::SCIPInterface::ClearObjective</a></div><div class="ttdeci">void ClearObjective() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00340">scip_interface.cc:340</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a40c40e3b24a8874fb084ad6d19893e73"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a40c40e3b24a8874fb084ad6d19893e73">operations_research::MPSolverInterface::SetMIPParameters</a></div><div class="ttdeci">void SetMIPParameters(const MPSolverParameters &param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01728">linear_solver.cc:1728</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_aea23a93e629de1fd6eb44ee929ccc9ba"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aea23a93e629de1fd6eb44ee929ccc9ba">operations_research::MPSolverInterface::set_variable_as_extracted</a></div><div class="ttdeci">void set_variable_as_extracted(int var_index, bool extracted)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01661">linear_solver.h:1661</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0">operations_research::MPSolverParameters::SCALING</a></div><div class="ttdeci">@ SCALING</div><div class="ttdoc">Advanced usage: enable or disable matrix scaling.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01386">linear_solver.h:1385</a></div></div>
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<div class="ttc" id="arouting__search_8cc_html_ab66ad179c8a6fcf1adb958cb51f4c7cb"><div class="ttname"><a href="routing__search_8cc.html#ab66ad179c8a6fcf1adb958cb51f4c7cb">coefficient</a></div><div class="ttdeci">int64 coefficient</div><div class="ttdef"><b>Definition:</b> <a href="routing__search_8cc_source.html#l00973">routing_search.cc:973</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">operations_research::MPSolverParameters::IntegerParam</a></div><div class="ttdeci">IntegerParam</div><div class="ttdoc">Enumeration of parameters that take integer or categorical values.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01377">linear_solver.h:1377</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af49d135ea40b2749802105381cf43cf4"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af49d135ea40b2749802105381cf43cf4">operations_research::SCIPInterface::SetOptimizationDirection</a></div><div class="ttdeci">void SetOptimizationDirection(bool maximize) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00224">scip_interface.cc:224</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a6f1bec23477838426baf832738e752de"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a6f1bec23477838426baf832738e752de">operations_research::SCIPInterface::row_status</a></div><div class="ttdeci">MPSolver::BasisStatus row_status(int constraint_index) const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00078">scip_interface.cc:78</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_aa83a7b3f61fb55d22d1aa9aac0be4a7c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">operations_research::MPSolverInterface::last_variable_index_</a></div><div class="ttdeci">int last_variable_index_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01730">linear_solver.h:1730</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a9912dbe4ba7f90983fac140395f15189"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a9912dbe4ba7f90983fac140395f15189">operations_research::SCIPInterface::best_objective_bound</a></div><div class="ttdeci">double best_objective_bound() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00770">scip_interface.cc:770</a></div></div>
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<div class="ttc" id="ascip__helper__macros_8h_html_a01a5597b6c8cb50ac465e5abebf00eec"><div class="ttname"><a href="scip__helper__macros_8h.html#a01a5597b6c8cb50ac465e5abebf00eec">SCIP_TO_STATUS</a></div><div class="ttdeci">#define SCIP_TO_STATUS(x)</div><div class="ttdef"><b>Definition:</b> <a href="scip__helper__macros_8h_source.html#l00039">scip_helper_macros.h:39</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff">operations_research::MPSolverParameters::INCREMENTALITY</a></div><div class="ttdeci">@ INCREMENTALITY</div><div class="ttdoc">Advanced usage: incrementality from one solve to the next.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01383">linear_solver.h:1383</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_ae0c104defe537af5cb4c74472bd855b3"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#ae0c104defe537af5cb4c74472bd855b3">operations_research::SCIPInterface::IsLP</a></div><div class="ttdeci">bool IsLP() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00088">scip_interface.cc:88</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_variable_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html">operations_research::MPVariable</a></div><div class="ttdoc">The class for variables of a Mathematical Programming (MP) model.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01050">linear_solver.h:1050</a></div></div>
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<div class="ttc" id="ahash_8h_html"><div class="ttname"><a href="hash_8h.html">hash.h</a></div></div>
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<div class="ttc" id="alinear__solver_8h_html"><div class="ttname"><a href="linear__solver_8h.html">linear_solver.h</a></div><div class="ttdoc">A C++ wrapper that provides a simple and unified interface to several linear programming and mixed in...</div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a9dceba6f59c9e8d43dadb46cab19e14f"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f">operations_research::SCIPInterface::ExtractNewConstraints</a></div><div class="ttdeci">void ExtractNewConstraints() override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00432">scip_interface.cc:432</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a982ccffd8a70d27afd8a7028640fcf74"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a982ccffd8a70d27afd8a7028640fcf74">operations_research::SCIPInterface::AddVariable</a></div><div class="ttdeci">void AddVariable(MPVariable *var) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00385">scip_interface.cc:385</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_aa70fd7de7d1b6eb48564ad89ba711cbe"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#aa70fd7de7d1b6eb48564ad89ba711cbe">operations_research::SCIPInterface::SolverVersion</a></div><div class="ttdeci">std::string SolverVersion() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00095">scip_interface.cc:95</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_af8505c2f03b5b90c1080452e26397275"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af8505c2f03b5b90c1080452e26397275">operations_research::MPSolverInterface::SetCommonParameters</a></div><div class="ttdeci">void SetCommonParameters(const MPSolverParameters &param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01707">linear_solver.cc:1707</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html_a4529f7d5e72dcd2c9d8961ee60f0ed6a"><div class="ttname"><a href="class_wall_timer.html#a4529f7d5e72dcd2c9d8961ee60f0ed6a">WallTimer::GetDuration</a></div><div class="ttdeci">absl::Duration GetDuration() const</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00048">timer.h:48</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">operations_research::MPSolver::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdoc">proven infeasible.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00431">linear_solver.h:431</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a76aab90f58c6023c4574c8f4d49533bc"><div class="ttname"><a href="namespaceoperations__research.html#a76aab90f58c6023c4574c8f4d49533bc">operations_research::ScipSetSolverSpecificParameters</a></div><div class="ttdeci">absl::Status ScipSetSolverSpecificParameters(const std::string &parameters, SCIP *scip)</div><div class="ttdef"><b>Definition:</b> <a href="scip__proto__solver_8cc_source.html#l00059">scip_proto_solver.cc:59</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a462b98e5264614683c26f693a9066a53"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a462b98e5264614683c26f693a9066a53">operations_research::SCIPInterface::SetConstraintBounds</a></div><div class="ttdeci">void SetConstraintBounds(int row_index, double lb, double ub) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00269">scip_interface.cc:269</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee">operations_research::MPSolverParameters::PRIMAL</a></div><div class="ttdeci">@ PRIMAL</div><div class="ttdoc">Primal simplex.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01401">linear_solver.h:1401</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a">operations_research::MPSolverParameters::PRESOLVE_OFF</a></div><div class="ttdeci">@ PRESOLVE_OFF</div><div class="ttdoc">Presolve is off.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01391">linear_solver.h:1391</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_af7e80556ff4ce3c05080ea2abec17f85"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#af7e80556ff4ce3c05080ea2abec17f85">operations_research::SCIPInterface::iterations</a></div><div class="ttdeci">int64 iterations() const override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00754">scip_interface.cc:754</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">operations_research::MPSolverInterface::MUST_RELOAD</a></div><div class="ttdeci">@ MUST_RELOAD</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01519">linear_solver.h:1519</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a8de44e2ad146c09314404500cde2f645"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">operations_research::MPSolverInterface::CheckSolutionIsSynchronized</a></div><div class="ttdeci">bool CheckSolutionIsSynchronized() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01648">linear_solver.cc:1648</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a2ab7b415cdf146b96aa68a91870608d2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">operations_research::MPSolverInterface::result_status_</a></div><div class="ttdeci">MPSolver::ResultStatus result_status_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01723">linear_solver.h:1723</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_ad5d09a69c6c8c8eea9311b0513628683"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">operations_research::MPSolverInterface::maximize_</a></div><div class="ttdeci">bool maximize_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01725">linear_solver.h:1725</a></div></div>
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<div class="ttc" id="acommandlineflags_8h_html"><div class="ttname"><a href="commandlineflags_8h.html">commandlineflags.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a29cf940fae07f304b2ba22fbcfcefe71"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a29cf940fae07f304b2ba22fbcfcefe71">operations_research::MPSolverInterface::set_constraint_as_extracted</a></div><div class="ttdeci">void set_constraint_as_extracted(int ct_index, bool extracted)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01667">linear_solver.h:1667</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a8eb213aafa3773dfb6a05d184e61bb8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a8eb213aafa3773dfb6a05d184e61bb8a">operations_research::MPSolver::GetNumThreads</a></div><div class="ttdeci">int GetNumThreads() const</div><div class="ttdoc">Returns the number of threads to be used during solve.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00608">linear_solver.h:608</a></div></div>
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<div class="ttc" id="ascip__helper__macros_8h_html_a0bfa86b99ad635aeb448799ddf03cb1c"><div class="ttname"><a href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a></div><div class="ttdeci">#define RETURN_IF_SCIP_ERROR(x)</div><div class="ttdef"><b>Definition:</b> <a href="scip__helper__macros_8h_source.html#l00043">scip_helper_macros.h:43</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#l00107">cp_model_fz_solver.cc:107</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b">operations_research::MPSolverParameters::DUAL</a></div><div class="ttdeci">@ DUAL</div><div class="ttdoc">Dual simplex.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01399">linear_solver.h:1399</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493">operations_research::MPSolverParameters::BARRIER</a></div><div class="ttdeci">@ BARRIER</div><div class="ttdoc">Barrier algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01404">linear_solver.h:1403</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1">operations_research::MPSolver::FEASIBLE</a></div><div class="ttdeci">@ FEASIBLE</div><div class="ttdoc">feasible, or stopped by limit.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00429">linear_solver.h:429</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_s_c_i_p_interface_html_a0f868ea21814f5c0e34d8e99d32b1695"><div class="ttname"><a href="classoperations__research_1_1_s_c_i_p_interface.html#a0f868ea21814f5c0e34d8e99d32b1695">operations_research::SCIPInterface::BranchingPriorityChangedForVariable</a></div><div class="ttdeci">void BranchingPriorityChangedForVariable(int var_index) override</div><div class="ttdef"><b>Definition:</b> <a href="scip__interface_8cc_source.html#l00364">scip_interface.cc:364</a></div></div>
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