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<div class="title">math_opt.cc</div> </div>
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<a href="math__opt_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 2010-2021 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="math__opt_8h.html">ortools/math_opt/cpp/math_opt.h</a>"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <functional></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <utility></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</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="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "absl/status/statusor.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/string_view.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="int__type_8h.html">ortools/base/int_type.h</a>"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "ortools/math_opt/callback.pb.h"</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="key__types_8h.html">ortools/math_opt/cpp/key_types.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="indexed__model_8h.html">ortools/math_opt/indexed_model.h</a>"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "ortools/math_opt/model_update.pb.h"</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="solver_8h.html">ortools/math_opt/solver.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="status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</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="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>math_opt {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_math_opt.html#ae403ae9396a74c78c74c0b68bbb5814c"> 37</a></span> absl::StatusOr<Result> <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#ae403ae9396a74c78c74c0b68bbb5814c">MathOpt::Solve</a>(</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">const</span> SolveParametersProto& solver_parameters,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1math__opt_1_1_model_solve_parameters.html">ModelSolveParameters</a>& model_parameters,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1math__opt_1_1_callback_registration.html">CallbackRegistration</a>& callback_registration, <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#a0ae4c55c5c20d8aefba960adc0e0a3f2">Callback</a> <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>) {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  CheckModel(model_parameters.<a class="code" href="structoperations__research_1_1math__opt_1_1_model_solve_parameters.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>());</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  CheckModel(callback_registration.<a class="code" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>());</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a> == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(callback_registration.<a class="code" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a704cfc9f1e9d0d79e8729114f9e13e1b">events</a>.empty())</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  << <span class="stringliteral">"No callback was provided to run, but callback events were "</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="stringliteral">"registered."</span>;</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"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">bool</span> attempted_incremental_solve = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (solver_ != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> ModelUpdateProto model_update = model_->ExportModelUpdate();</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> did_update, solver_->Update(model_update));</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (did_update) {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  attempted_incremental_solve = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  solver_ = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</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="keywordflow">if</span> (solver_ == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(solver_, <a class="code" href="classoperations__research_1_1math__opt_1_1_solver.html#afa9095b39ffb466b7a8d8dcece9a455e">Solver::New</a>(solver_type_, model_->ExportModel(),</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  solver_initializer_));</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>  model_->Checkpoint();</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="classoperations__research_1_1math__opt_1_1_solver.html#acc33a9824afffd1de1d7c85906c5fd31">Solver::Callback</a> cb = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a> != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  cb = [&](<span class="keyword">const</span> CallbackDataProto& callback_data_proto) {</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1math__opt_1_1_callback_data.html">CallbackData</a> data(model_.get(), callback_data_proto);</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1math__opt_1_1_callback_result.html">CallbackResult</a> result = <a class="code" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>(data);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  CheckModel(result.<a class="code" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</a>());</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> result.<a class="code" href="structoperations__research_1_1math__opt_1_1_callback_result.html#a945924a45caa0d8fb76132e005a89a91">Proto</a>();</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  };</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> SolveResultProto solve_result,</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  solver_->Solve(solver_parameters, model_parameters.<a class="code" href="structoperations__research_1_1math__opt_1_1_model_solve_parameters.html#a0478105d7f1c99de08253fefdefad235">Proto</a>(),</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  callback_registration.<a class="code" href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a0c87a70760f8ded4a81f33893f2a5605">Proto</a>(), cb));</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="structoperations__research_1_1math__opt_1_1_result.html">Result</a> result(model_.get(), solve_result);</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  result.<a class="code" href="structoperations__research_1_1math__opt_1_1_result.html#a33beca02bf1e747c6d65374e00cf0d26">attempted_incremental_solve</a> = attempted_incremental_solve;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> }</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_1math__opt_1_1_math_opt.html#a653db00bc10c458fb55a04f11c5f45c7"> 82</a></span> <a class="code" href="classoperations__research_1_1math__opt_1_1_linear_constraint.html">LinearConstraint</a> <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#a6bb7c904b32900d54a230a3baa210222">MathOpt::AddLinearConstraint</a>(</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1math__opt_1_1_bounded_linear_expression.html">BoundedLinearExpression</a>& bounded_expr, absl::string_view <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  CheckModel(bounded_expr.<a class="code" href="structoperations__research_1_1math__opt_1_1_bounded_linear_expression.html#a4a753905fdb2765209204ba37e6acc8d">expression</a>.<a class="code" href="classoperations__research_1_1math__opt_1_1_linear_expression.html#a64203ba9d12b2e9827e18cf8e8c30ab2">model</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>  <span class="keyword">const</span> LinearConstraintId constraint = model_->AddLinearConstraint(</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  bounded_expr.<a class="code" href="structoperations__research_1_1math__opt_1_1_bounded_linear_expression.html#afd871230f4ba44e57a59680fd1f558c8">lower_bound_minus_offset</a>(),</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  bounded_expr.<a class="code" href="structoperations__research_1_1math__opt_1_1_bounded_linear_expression.html#a14eb87b4d0595a686844a9c07a4a2c36">upper_bound_minus_offset</a>(), <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>);</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> [variable, <a class="code" href="expr__array_8cc.html#abda708e4a6f0de72a842382f919a7c31">coef</a>] : bounded_expr.<a class="code" href="structoperations__research_1_1math__opt_1_1_bounded_linear_expression.html#a4a753905fdb2765209204ba37e6acc8d">expression</a>.<a class="code" href="classoperations__research_1_1math__opt_1_1_linear_expression.html#ab68933b3045472cd31611b2bdb907da7">raw_terms</a>()) {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  model_->set_linear_constraint_coefficient(constraint, variable, <a class="code" href="expr__array_8cc.html#abda708e4a6f0de72a842382f919a7c31">coef</a>);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_linear_constraint.html">LinearConstraint</a>(model_.get(), constraint);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</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_1math__opt_1_1_math_opt.html#ab4051c29b35a40867a5535411048aeb5"> 95</a></span> std::vector<Variable> <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#ab4051c29b35a40867a5535411048aeb5">MathOpt::Variables</a>() {</div>
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||
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  std::vector<Variable> result;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  result.reserve(model_->num_variables());</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> VariableId var_id : model_->variables()) {</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  result.push_back(<a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html">Variable</a>(model_.get(), var_id));</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"> 101</span>  <span class="keywordflow">return</span> result;</div>
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||
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> }</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  </div>
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<div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_math_opt.html#af34e933e54f4bffbec475f8c9b6bd680"> 104</a></span> std::vector<Variable> <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#af34e933e54f4bffbec475f8c9b6bd680">MathOpt::SortedVariables</a>() {</div>
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||
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  std::vector<Variable> result = <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#ab4051c29b35a40867a5535411048aeb5">Variables</a>();</div>
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||
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::sort(result.begin(), result.end(),</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  [](<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html">Variable</a>& l, <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_variable.html">Variable</a>& r) {</div>
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||
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  return l.typed_id() < r.typed_id();</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  });</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> result;</div>
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||
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
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<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_math_opt.html#ae5036b77642e10b20d3f777229e9ac00"> 113</a></span> std::vector<LinearConstraint> <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#ae5036b77642e10b20d3f777229e9ac00">MathOpt::LinearConstraints</a>() {</div>
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||
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  std::vector<LinearConstraint> result;</div>
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||
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  result.reserve(model_->num_linear_constraints());</div>
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||
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> LinearConstraintId lin_con_id : model_->linear_constraints()) {</div>
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||
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  result.push_back(<a class="code" href="classoperations__research_1_1math__opt_1_1_linear_constraint.html">LinearConstraint</a>(model_.get(), lin_con_id));</div>
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||
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> result;</div>
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||
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> }</div>
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||
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
|
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<div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_math_opt.html#aedb366ca679aed4427c01dc799351d8e"> 122</a></span> std::vector<LinearConstraint> <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#aedb366ca679aed4427c01dc799351d8e">MathOpt::SortedLinearConstraints</a>() {</div>
|
||
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  std::vector<LinearConstraint> result = <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#ae5036b77642e10b20d3f777229e9ac00">LinearConstraints</a>();</div>
|
||
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  std::sort(result.begin(), result.end(),</div>
|
||
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  [](<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_linear_constraint.html">LinearConstraint</a>& l, <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_linear_constraint.html">LinearConstraint</a>& r) {</div>
|
||
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  return l.typed_id() < r.typed_id();</div>
|
||
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  });</div>
|
||
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> result;</div>
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||
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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>  </div>
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<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_math_opt.html#aa850c403983019f6676dda010d9ac3a5"> 131</a></span> ModelProto <a class="code" href="classoperations__research_1_1math__opt_1_1_math_opt.html#aa850c403983019f6676dda010d9ac3a5">MathOpt::ExportModel</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> model_->ExportModel(); }</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keywordtype">void</span> MathOpt::CheckModel(<a class="code" href="classoperations__research_1_1math__opt_1_1_indexed_model.html">IndexedModel</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a> != <span class="keyword">nullptr</span>) {</div>
|
||
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, model_.get()) << <a class="code" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a7ab03efcaffe1b5f4ba2b1b5d336f792">internal::kObjectsFromOtherIndexedModel</a>;</div>
|
||
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
|
||
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> }</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">// namespace math_opt</span></div>
|
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00498">base/logging.h:498</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00705">base/logging.h:705</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_indexed_model_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_indexed_model.html">operations_research::math_opt::IndexedModel</a></div><div class="ttdef"><b>Definition:</b> <a href="indexed__model_8h_source.html#l00148">indexed_model.h:148</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_linear_constraint_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_linear_constraint.html">operations_research::math_opt::LinearConstraint</a></div><div class="ttdef"><b>Definition:</b> <a href="math__opt_2cpp_2linear__constraint_8h_source.html#l00035">math_opt/cpp/linear_constraint.h:35</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_linear_expression_html_a64203ba9d12b2e9827e18cf8e8c30ab2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_linear_expression.html#a64203ba9d12b2e9827e18cf8e8c30ab2">operations_research::math_opt::LinearExpression::model</a></div><div class="ttdeci">IndexedModel * model() const</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l00965">variable_and_expressions.h:965</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_linear_expression_html_ab68933b3045472cd31611b2bdb907da7"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_linear_expression.html#ab68933b3045472cd31611b2bdb907da7">operations_research::math_opt::LinearExpression::raw_terms</a></div><div class="ttdeci">const absl::flat_hash_map< VariableId, double > & raw_terms() const</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l00967">variable_and_expressions.h:967</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_math_opt_html_a0ae4c55c5c20d8aefba960adc0e0a3f2"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_math_opt.html#a0ae4c55c5c20d8aefba960adc0e0a3f2">operations_research::math_opt::MathOpt::Callback</a></div><div class="ttdeci">std::function< CallbackResult(CallbackData)> Callback</div><div class="ttdef"><b>Definition:</b> <a href="math__opt_8h_source.html#l00139">math_opt.h:139</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_math_opt_html_a24dcbf29c0d6cd766009a182a6484e3b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_math_opt.html#a24dcbf29c0d6cd766009a182a6484e3b">operations_research::math_opt::MathOpt::name</a></div><div class="ttdeci">const std::string & name() const</div><div class="ttdef"><b>Definition:</b> <a href="math__opt_8h_source.html#l00302">math_opt.h:302</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_math_opt_html_a6bb7c904b32900d54a230a3baa210222"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_math_opt.html#a6bb7c904b32900d54a230a3baa210222">operations_research::math_opt::MathOpt::AddLinearConstraint</a></div><div class="ttdeci">LinearConstraint AddLinearConstraint(absl::string_view name="")</div><div class="ttdef"><b>Definition:</b> <a href="math__opt_8h_source.html#l00345">math_opt.h:345</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_math_opt_html_aa850c403983019f6676dda010d9ac3a5"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_math_opt.html#aa850c403983019f6676dda010d9ac3a5">operations_research::math_opt::MathOpt::ExportModel</a></div><div class="ttdeci">ModelProto ExportModel() const</div><div class="ttdef"><b>Definition:</b> <a href="math__opt_8cc_source.html#l00131">math_opt.cc:131</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_math_opt_html_ab4051c29b35a40867a5535411048aeb5"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_math_opt.html#ab4051c29b35a40867a5535411048aeb5">operations_research::math_opt::MathOpt::Variables</a></div><div class="ttdeci">std::vector< Variable > Variables()</div><div class="ttdef"><b>Definition:</b> <a href="math__opt_8cc_source.html#l00095">math_opt.cc:95</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_math_opt_html_ae403ae9396a74c78c74c0b68bbb5814c"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_math_opt.html#ae403ae9396a74c78c74c0b68bbb5814c">operations_research::math_opt::MathOpt::Solve</a></div><div class="ttdeci">absl::StatusOr< Result > Solve(const SolveParametersProto &solver_parameters, const ModelSolveParameters &model_parameters={}, const CallbackRegistration &callback_registration={}, Callback callback=nullptr)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt_8cc_source.html#l00037">math_opt.cc:37</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_math_opt_html_ae5036b77642e10b20d3f777229e9ac00"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_math_opt.html#ae5036b77642e10b20d3f777229e9ac00">operations_research::math_opt::MathOpt::LinearConstraints</a></div><div class="ttdeci">std::vector< LinearConstraint > LinearConstraints()</div><div class="ttdef"><b>Definition:</b> <a href="math__opt_8cc_source.html#l00113">math_opt.cc:113</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_math_opt_html_aedb366ca679aed4427c01dc799351d8e"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_math_opt.html#aedb366ca679aed4427c01dc799351d8e">operations_research::math_opt::MathOpt::SortedLinearConstraints</a></div><div class="ttdeci">std::vector< LinearConstraint > SortedLinearConstraints()</div><div class="ttdef"><b>Definition:</b> <a href="math__opt_8cc_source.html#l00122">math_opt.cc:122</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_math_opt_html_af34e933e54f4bffbec475f8c9b6bd680"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_math_opt.html#af34e933e54f4bffbec475f8c9b6bd680">operations_research::math_opt::MathOpt::SortedVariables</a></div><div class="ttdeci">std::vector< Variable > SortedVariables()</div><div class="ttdef"><b>Definition:</b> <a href="math__opt_8cc_source.html#l00104">math_opt.cc:104</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_html_acc33a9824afffd1de1d7c85906c5fd31"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver.html#acc33a9824afffd1de1d7c85906c5fd31">operations_research::math_opt::Solver::Callback</a></div><div class="ttdeci">std::function< CallbackResultProto(const CallbackDataProto &)> Callback</div><div class="ttdef"><b>Definition:</b> <a href="solver_8h_source.html#l00061">solver.h:61</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_html_afa9095b39ffb466b7a8d8dcece9a455e"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver.html#afa9095b39ffb466b7a8d8dcece9a455e">operations_research::math_opt::Solver::New</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< Solver > > New(SolverType solver_type, const ModelProto &model, const SolverInitializerProto &initializer)</div><div class="ttdef"><b>Definition:</b> <a href="solver_8cc_source.html#l00101">solver.cc:101</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_variable_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_variable.html">operations_research::math_opt::Variable</a></div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l00101">variable_and_expressions.h:101</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00813">default_search.cc:813</a></div></div>
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<div class="ttc" id="aexpr__array_8cc_html_abda708e4a6f0de72a842382f919a7c31"><div class="ttname"><a href="expr__array_8cc.html#abda708e4a6f0de72a842382f919a7c31">coef</a></div><div class="ttdeci">int64_t coef</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01875">expr_array.cc:1875</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00273">gurobi_interface.cc:273</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a6627a3800ac768bb5528ef54c9cace36"><div class="ttname"><a href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a></div><div class="ttdeci">MPCallback * callback</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00514">gurobi_interface.cc:514</a></div></div>
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<div class="ttc" id="aindexed__model_8h_html"><div class="ttname"><a href="indexed__model_8h.html">indexed_model.h</a></div></div>
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<div class="ttc" id="aint__type_8h_html"><div class="ttname"><a href="int__type_8h.html">int_type.h</a></div></div>
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<div class="ttc" id="akey__types_8h_html"><div class="ttname"><a href="key__types_8h.html">key_types.h</a></div></div>
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<div class="ttc" id="amath__opt_8h_html"><div class="ttname"><a href="math__opt_8h.html">math_opt.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_a7ab03efcaffe1b5f4ba2b1b5d336f792"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#a7ab03efcaffe1b5f4ba2b1b5d336f792">operations_research::math_opt::internal::kObjectsFromOtherIndexedModel</a></div><div class="ttdeci">constexpr absl::string_view kObjectsFromOtherIndexedModel</div><div class="ttdef"><b>Definition:</b> <a href="key__types_8h_source.html#l00056">key_types.h:56</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="asolver_8h_html"><div class="ttname"><a href="solver_8h.html">solver.h</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="astatus__macros_8h_html_a600de4b8f65fe0a4b1898041634f9011"><div class="ttname"><a href="status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a></div><div class="ttdeci">#define ASSIGN_OR_RETURN(lhs, rexpr)</div><div class="ttdef"><b>Definition:</b> <a href="status__macros_8h_source.html#l00055">status_macros.h:55</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_bounded_linear_expression_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_bounded_linear_expression.html">operations_research::math_opt::BoundedLinearExpression</a></div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l00465">variable_and_expressions.h:465</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_bounded_linear_expression_html_a14eb87b4d0595a686844a9c07a4a2c36"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_bounded_linear_expression.html#a14eb87b4d0595a686844a9c07a4a2c36">operations_research::math_opt::BoundedLinearExpression::upper_bound_minus_offset</a></div><div class="ttdeci">double upper_bound_minus_offset() const</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l01039">variable_and_expressions.h:1039</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_bounded_linear_expression_html_a4a753905fdb2765209204ba37e6acc8d"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_bounded_linear_expression.html#a4a753905fdb2765209204ba37e6acc8d">operations_research::math_opt::BoundedLinearExpression::expression</a></div><div class="ttdeci">LinearExpression expression</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l00488">variable_and_expressions.h:488</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_bounded_linear_expression_html_afd871230f4ba44e57a59680fd1f558c8"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_bounded_linear_expression.html#afd871230f4ba44e57a59680fd1f558c8">operations_research::math_opt::BoundedLinearExpression::lower_bound_minus_offset</a></div><div class="ttdeci">double lower_bound_minus_offset() const</div><div class="ttdef"><b>Definition:</b> <a href="variable__and__expressions_8h_source.html#l01035">variable_and_expressions.h:1035</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_data_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_data.html">operations_research::math_opt::CallbackData</a></div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00083">callback.h:83</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html">operations_research::math_opt::CallbackRegistration</a></div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00129">callback.h:129</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_a0c87a70760f8ded4a81f33893f2a5605"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a0c87a70760f8ded4a81f33893f2a5605">operations_research::math_opt::CallbackRegistration::Proto</a></div><div class="ttdeci">CallbackRegistrationProto Proto() const</div><div class="ttdef"><b>Definition:</b> <a href="callback_8cc_source.html#l00098">callback.cc:98</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_a64203ba9d12b2e9827e18cf8e8c30ab2"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a64203ba9d12b2e9827e18cf8e8c30ab2">operations_research::math_opt::CallbackRegistration::model</a></div><div class="ttdeci">IndexedModel * model() const</div><div class="ttdef"><b>Definition:</b> <a href="callback_8cc_source.html#l00093">callback.cc:93</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_registration_html_a704cfc9f1e9d0d79e8729114f9e13e1b"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_registration.html#a704cfc9f1e9d0d79e8729114f9e13e1b">operations_research::math_opt::CallbackRegistration::events</a></div><div class="ttdeci">absl::flat_hash_set< CallbackEventProto > events</div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00138">callback.h:138</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_result_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_result.html">operations_research::math_opt::CallbackResult</a></div><div class="ttdef"><b>Definition:</b> <a href="callback_8h_source.html#l00160">callback.h:160</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_result_html_a64203ba9d12b2e9827e18cf8e8c30ab2"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_result.html#a64203ba9d12b2e9827e18cf8e8c30ab2">operations_research::math_opt::CallbackResult::model</a></div><div class="ttdeci">IndexedModel * model() const</div><div class="ttdef"><b>Definition:</b> <a href="callback_8cc_source.html#l00115">callback.cc:115</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_callback_result_html_a945924a45caa0d8fb76132e005a89a91"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_callback_result.html#a945924a45caa0d8fb76132e005a89a91">operations_research::math_opt::CallbackResult::Proto</a></div><div class="ttdeci">CallbackResultProto Proto() const</div><div class="ttdef"><b>Definition:</b> <a href="callback_8cc_source.html#l00120">callback.cc:120</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_model_solve_parameters_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_model_solve_parameters.html">operations_research::math_opt::ModelSolveParameters</a></div><div class="ttdef"><b>Definition:</b> <a href="model__solve__parameters_8h_source.html#l00032">model_solve_parameters.h:32</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_model_solve_parameters_html_a0478105d7f1c99de08253fefdefad235"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_model_solve_parameters.html#a0478105d7f1c99de08253fefdefad235">operations_research::math_opt::ModelSolveParameters::Proto</a></div><div class="ttdeci">ModelSolveParametersProto Proto() const</div><div class="ttdef"><b>Definition:</b> <a href="model__solve__parameters_8cc_source.html#l00056">model_solve_parameters.cc:56</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_model_solve_parameters_html_a64203ba9d12b2e9827e18cf8e8c30ab2"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_model_solve_parameters.html#a64203ba9d12b2e9827e18cf8e8c30ab2">operations_research::math_opt::ModelSolveParameters::model</a></div><div class="ttdeci">IndexedModel * model() const</div><div class="ttdef"><b>Definition:</b> <a href="model__solve__parameters_8cc_source.html#l00050">model_solve_parameters.cc:50</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_result_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_result.html">operations_research::math_opt::Result</a></div><div class="ttdef"><b>Definition:</b> <a href="result_8h_source.html#l00037">result.h:37</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_result_html_a33beca02bf1e747c6d65374e00cf0d26"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_result.html#a33beca02bf1e747c6d65374e00cf0d26">operations_research::math_opt::Result::attempted_incremental_solve</a></div><div class="ttdeci">bool attempted_incremental_solve</div><div class="ttdef"><b>Definition:</b> <a href="result_8h_source.html#l00278">result.h:278</a></div></div>
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