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<div class="title">gurobi_solver.h</div> </div>
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<a href="gurobi__solver_8h.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">#ifndef OR_TOOLS_MATH_OPT_SOLVERS_GUROBI_SOLVER_H_</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define OR_TOOLS_MATH_OPT_SOLVERS_GUROBI_SOLVER_H_</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <utility></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/status/statusor.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "absl/strings/string_view.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "absl/types/span.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="linked__hash__map_8h.html">ortools/base/linked_hash_map.h</a>"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "ortools/math_opt/callback.pb.h"</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.pb.h"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "ortools/math_opt/model_parameters.pb.h"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "ortools/math_opt/model_update.pb.h"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "ortools/math_opt/parameters.pb.h"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "ortools/math_opt/result.pb.h"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "ortools/math_opt/solution.pb.h"</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="solver__interface_8h.html">ortools/math_opt/solver_interface.h</a>"</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "<a class="code" href="gurobi__callback_8h.html">ortools/math_opt/solvers/gurobi_callback.h</a>"</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "<a class="code" href="message__callback__data_8h.html">ortools/math_opt/solvers/message_callback_data.h</a>"</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "ortools/math_opt/sparse_containers.pb.h"</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "<a class="code" href="environment_8h.html">ortools/gurobi/environment.h</a>"</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span>math_opt {</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"><a class="line" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html"> 46</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html">GurobiSolver</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_solver_interface.html">SolverInterface</a> {</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">static</span> absl::StatusOr<std::unique_ptr<GurobiSolver>> <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#aaaaff4877a964a234aefe9ba81b104cf">New</a>(</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">const</span> ModelProto& input_model, <span class="keyword">const</span> SolverInitializerProto& initializer);</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#ab73414ea0a3ea1fdf4398722648b92e9">~GurobiSolver</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>  absl::StatusOr<SolveResultProto> <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a7d6731070fee00d91f229e0cff1cfa1b">Solve</a>(</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> SolveParametersProto& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">const</span> CallbackRegistrationProto& callback_registration,</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">Callback</a> cb) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  absl::Status <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a4dc835d3171da48778de1bbea39f8448">Update</a>(<span class="keyword">const</span> ModelUpdateProto& model_update) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a1dcbb1374e91747a2db097361b091c8b">CanUpdate</a>(<span class="keyword">const</span> ModelUpdateProto& model_update) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">struct </span>GurobiCallbackData {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">explicit</span> GurobiCallbackData(<a class="code" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html">GurobiCallbackInput</a> callback_input)</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  : callback_input(std::move(callback_input)) {}</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html">GurobiCallbackInput</a> callback_input;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="classoperations__research_1_1math__opt_1_1_message_callback_data.html">MessageCallbackData</a> message_callback_data;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  absl::Status status = absl::OkStatus();</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  };</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html">GurobiSolver</a>() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// For easing reading the code, we declare these types:</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">using</span> VariableId = int64_t;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">using</span> LinearConstraintId = int64_t;</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">using</span> GurobiVariableIndex = int;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">using</span> GurobiLinearConstraintIndex = int;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">static</span> constexpr GurobiVariableIndex kUnspecifiedIndex = -1;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">static</span> constexpr GurobiLinearConstraintIndex kUnspecifiedConstraint = -2;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">double</span> kInf = std::numeric_limits<double>::infinity();</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// Data associated with each constraint. With it we know if the underlying</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// representation is either:</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// linear_terms <= upper_bound (if lower bound <= -GRB_INFINITY)</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// linear_terms >= lower_bound (if upper bound >= GRB_INFINTY)</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// linear_terms == xxxxx_bound (if upper_bound == lower_bound)</span></div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// linear_term - slack == 0 (with slack bounds equal to xxxxx_bound)</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">struct </span>ConstraintData {</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  GurobiLinearConstraintIndex constraint_index = kUnspecifiedConstraint;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// only valid for true ranged constraints.</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  GurobiVariableIndex slack_index = kUnspecifiedIndex;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">double</span> <a class="code" href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a> = -<a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">double</span> <a class="code" href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> = <a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>;</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"> 95</span>  <span class="keyword">struct </span>SlackInfo {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  LinearConstraintId id;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  ConstraintData& constraint_data;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  SlackInfo(<span class="keyword">const</span> LinearConstraintId input_id,</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  ConstraintData& input_constraint)</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  : id(input_id), constraint_data(input_constraint) {}</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  };</div>
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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>  <span class="keyword">using</span> <a class="code" href="classgtl_1_1linked__hash__map.html">IdHashMap</a> = <a class="code" href="classgtl_1_1linked__hash__map.html">gtl::linked_hash_map<int64_t, int></a>;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">using</span> <a class="code" href="classgtl_1_1linked__hash__map.html">ConstraintMap</a> = <a class="code" href="classgtl_1_1linked__hash__map.html">gtl::linked_hash_map<int64_t, ConstraintData></a>;</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"> 106</span>  absl::Status RunSolver();</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// Returns a termination reason and a detailed explanation string.</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">static</span> absl::StatusOr<</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::pair<SolveResultProto::TerminationReason, std::string>></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  ConvertTerminationReason(<span class="keywordtype">int</span> gurobi_status, <span class="keywordtype">bool</span> has_feasible_solution);</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  absl::Status ExtractSolveResultProto(</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">bool</span> is_maximize, SolveResultProto& result,</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> ModelSolveParametersProto& model_parameters);</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  absl::Status ResetParameters();</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  absl::Status SetParameter(<span class="keyword">const</span> std::string& param_name,</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> std::string& param_value);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// Returns a list of errors for failures only (and the empty list when all</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// parameters succeed).</span></div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  std::vector<absl::Status> SetParameters(</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">const</span> SolveParametersProto& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  absl::Status AddNewConstraints(<span class="keyword">const</span> LinearConstraintsProto& constraints);</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  absl::Status AddNewVariables(<span class="keyword">const</span> VariablesProto& new_variables);</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  absl::Status AddNewSlacks(<span class="keyword">const</span> std::vector<SlackInfo>& new_slacks);</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  absl::Status ChangeCoefficients(<span class="keyword">const</span> SparseDoubleMatrixProto& matrix);</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  absl::Status GurobiCodeToUtilStatus(<span class="keywordtype">int</span> error_code, <span class="keyword">const</span> <span class="keywordtype">char</span>* source_file,</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span> source_line,</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* statement) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  absl::Status LoadEnvironment();</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  absl::Status LoadModel(<span class="keyword">const</span> ModelProto& input_model);</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  std::string GurobiErrorMessage(<span class="keywordtype">int</span> error_code) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  std::string LogGurobiCode(<span class="keywordtype">int</span> error_code, <span class="keyword">const</span> <span class="keywordtype">char</span>* source_file,</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">int</span> source_line, <span class="keyword">const</span> <span class="keywordtype">char</span>* statement,</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  absl::string_view extra_message) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  absl::Status UpdateDoubleListAttribute(<span class="keyword">const</span> SparseDoubleVectorProto& update,</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* attribute_name,</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">const</span> <a class="code" href="classgtl_1_1linked__hash__map.html">IdHashMap</a>& id_hash_map);</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  absl::Status UpdateGurobiIndices();</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  absl::Status UpdateLinearConstraints(</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> LinearConstraintUpdatesProto& update,</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  std::vector<GurobiVariableIndex>& deleted_variables_index);</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  absl::StatusOr<int> GetIntAttr(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  absl::StatusOr<double> GetDoubleAttr(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  absl::Status GetIntAttrArray(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>,</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  absl::Span<int> attr_out) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  absl::Status GetDoubleAttrArray(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>,</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  absl::Span<double> attr_out) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">int</span> num_gurobi_constraints() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">int</span> get_model_index(GurobiVariableIndex <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>; }</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">int</span> get_model_index(<span class="keyword">const</span> ConstraintData& <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">return</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>.constraint_index;</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"> 153</span>  </div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// Fills in result with the values in gurobi_values aided by the index</span></div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// conversion from map which should be either variables_map_ or</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// linear_constraints_map_ as appropriate. Only key/value pairs that passes</span></div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// the filter predicate are added.</span></div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">void</span> GurobiVectorToSparseDoubleVector(</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  absl::Span<const double> gurobi_values, <span class="keyword">const</span> T& map,</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  SparseDoubleVectorProto& result,</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> SparseVectorFilterProto& filter) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  absl::StatusOr<BasisProto> GetGurobiBasis();</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  absl::Status SetGurobiBasis(<span class="keyword">const</span> BasisProto& basis);</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  absl::StatusOr<DualRayProto> GetGurobiDualRay(</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">const</span> SparseVectorFilterProto& linear_constraints_filter,</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> SparseVectorFilterProto& variables_filter, <span class="keywordtype">bool</span> is_maximize);</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  absl::StatusOr<bool> IsLP() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  absl::StatusOr<std::unique_ptr<GurobiCallbackData>> RegisterCallback(</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">const</span> CallbackRegistrationProto& registration, <a class="code" href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">Callback</a> cb,</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  absl::Time start);</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> GurobiCallback(<a class="code" href="environment_8h.html#a865e461c79c88bc5c0d5f56087ae4876">GRBmodel</a>* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keywordtype">void</span>* cbdata, <span class="keywordtype">int</span> <a class="code" href="gurobi__interface_8cc.html#a675dd47bbf0a66c9cb592047797a6d69">where</a>,</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">void</span>* usrdata);</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// Note: Gurobi environments CAN be shared across several models, however</span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// there are some caveats:</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// - Environments are not thread-safe.</span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// - Once a gurobi_model_ is created, it makes an internal copy of the</span></div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// "master" environment, so, later changes to that environment will not</span></div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// be reflected in the gurobi_model_, for that reason we also keep</span></div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// around a pointer to the gurobi_model_ environment in the</span></div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// `active_env_` (which should not be freed).</span></div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// - Every "master" environment counts as a "use" of a Gurobi License.</span></div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// This means that if you have a limited usage count of licenses, this</span></div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// implementation will be consuming more licenses. On the other hand, if</span></div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// you have a machine license, a site license, or an academic license,</span></div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">// this disadvantage goes away.</span></div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// TODO(user) implement a sharing master Gurobi environment mode.</span></div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// This would be akin to the `default environment` of Gurobi in python.</span></div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="environment_8h.html#a2963ba0c46b86ac4680fb3bb4ca8b2f3">GRBenv</a>* master_env_ = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="environment_8h.html#a2963ba0c46b86ac4680fb3bb4ca8b2f3">GRBenv</a>* active_env_ = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="environment_8h.html#a865e461c79c88bc5c0d5f56087ae4876">GRBmodel</a>* gurobi_model_ = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// Note that we use linked_hash_map because the index of the gurobi_model_</span></div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// variables/constraints is exactly the order in which they are added to the</span></div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">// model.</span></div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// Internal correspondence from variable proto IDs to Gurobi-numbered</span></div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// variables.</span></div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="classgtl_1_1linked__hash__map.html">gtl::linked_hash_map<VariableId, GurobiVariableIndex></a> variables_map_;</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">// Internal correspondence from linear constraint proto IDs to</span></div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// Gurobi-numbered linear constraint and extra information.</span></div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="classgtl_1_1linked__hash__map.html">gtl::linked_hash_map<LinearConstraintId, ConstraintData></a></div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  linear_constraints_map_;</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// For those constraints that need a slack in the gurobi_model_</span></div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="comment">// representation (i.e. those with</span></div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// ConstraintData.slack_index != kUnspecifiedIndex), we keep a hash_map of</span></div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// those LinearConstraintId's to a reference of the ConstraintData stored in</span></div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// the linear_constraints_map_. This means that we only have one location</span></div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// were we store information about constraints, but two places from where we</span></div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// can access it.</span></div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// Furthermore, the internal slack_index associated with each</span></div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// actual slack variable is increasing in the order of them in this</span></div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// slack_map_, and is the main reason why we choose to use</span></div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="comment">// gtl::linked_hash_map, as the order of insertion (of the remaining</span></div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">// elements) is preserved after removals.</span></div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// Note that after deletions, the renumbering of variables must be done</span></div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// simultaneously for variables and slacks following the merged-order of the</span></div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// variable_index and slack_map_.slack_index.</span></div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="classgtl_1_1linked__hash__map.html">gtl::linked_hash_map<LinearConstraintId, ConstraintData&></a> slack_map_;</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Number of Gurobi variables, this internal quantity is updated when we</span></div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// actually add or remove variables or constraints in the underlying Gurobi</span></div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// model. Furthermore, since 'ModelUpdate' can trigger both creation and</span></div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// deletion of variables and constraints, we batch those changes in two</span></div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// steps: first add all new variables and constraints, and then delete all</span></div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// variables and constraints that need deletion. Finally flush changes at</span></div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// the gurobi model level (if any deletion was performed).</span></div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">int</span> num_gurobi_variables_ = 0;</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> kGrbBasicConstraint = 0;</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> kGrbNonBasicConstraint = -1;</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> };</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> } <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  </div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_MATH_OPT_SOLVERS_GUROBI_SOLVER_H_</span></div>
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<div class="ttc" id="aclassgtl_1_1linked__hash__map_html"><div class="ttname"><a href="classgtl_1_1linked__hash__map.html">gtl::linked_hash_map< int64_t, int ></a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html">operations_research::math_opt::GurobiSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8h_source.html#l00046">gurobi_solver.h:46</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_a1dcbb1374e91747a2db097361b091c8b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a1dcbb1374e91747a2db097361b091c8b">operations_research::math_opt::GurobiSolver::CanUpdate</a></div><div class="ttdeci">bool CanUpdate(const ModelUpdateProto &model_update) override</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01502">gurobi_solver.cc:1502</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_a4dc835d3171da48778de1bbea39f8448"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a4dc835d3171da48778de1bbea39f8448">operations_research::math_opt::GurobiSolver::Update</a></div><div class="ttdeci">absl::Status Update(const ModelUpdateProto &model_update) override</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01270">gurobi_solver.cc:1270</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_a7d6731070fee00d91f229e0cff1cfa1b"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#a7d6731070fee00d91f229e0cff1cfa1b">operations_research::math_opt::GurobiSolver::Solve</a></div><div class="ttdeci">absl::StatusOr< SolveResultProto > Solve(const SolveParametersProto &parameters, const ModelSolveParametersProto &model_parameters, const CallbackRegistrationProto &callback_registration, Callback cb) override</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01440">gurobi_solver.cc:1440</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_aaaaff4877a964a234aefe9ba81b104cf"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#aaaaff4877a964a234aefe9ba81b104cf">operations_research::math_opt::GurobiSolver::New</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< GurobiSolver > > New(const ModelProto &input_model, const SolverInitializerProto &initializer)</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01379">gurobi_solver.cc:1379</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_gurobi_solver_html_ab73414ea0a3ea1fdf4398722648b92e9"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_gurobi_solver.html#ab73414ea0a3ea1fdf4398722648b92e9">operations_research::math_opt::GurobiSolver::~GurobiSolver</a></div><div class="ttdeci">~GurobiSolver() override</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__solver_8cc_source.html#l01014">gurobi_solver.cc:1014</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_message_callback_data_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_message_callback_data.html">operations_research::math_opt::MessageCallbackData</a></div><div class="ttdef"><b>Definition:</b> <a href="message__callback__data_8h_source.html#l00041">message_callback_data.h:41</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_interface_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver_interface.html">operations_research::math_opt::SolverInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00046">solver_interface.h:46</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ab47a61ca53ae9cdf35dd4f2dfc9ecadb"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">operations_research::math_opt::SolverInterface::Callback</a></div><div class="ttdeci">std::function< absl::StatusOr< CallbackResultProto >(const CallbackDataProto &)> Callback</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00054">solver_interface.h:55</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#l00108">cp_model_fz_solver.cc:108</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="aenvironment_8h_html"><div class="ttname"><a href="environment_8h.html">environment.h</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a2963ba0c46b86ac4680fb3bb4ca8b2f3"><div class="ttname"><a href="environment_8h.html#a2963ba0c46b86ac4680fb3bb4ca8b2f3">GRBenv</a></div><div class="ttdeci">struct _GRBenv GRBenv</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00001">environment.h:25</a></div></div>
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<div class="ttc" id="aenvironment_8h_html_a865e461c79c88bc5c0d5f56087ae4876"><div class="ttname"><a href="environment_8h.html#a865e461c79c88bc5c0d5f56087ae4876">GRBmodel</a></div><div class="ttdeci">struct _GRBmodel GRBmodel</div><div class="ttdef"><b>Definition:</b> <a href="environment_8h_source.html#l00001">environment.h:24</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_a1ba5ca0f61f2fa13bd23bf0f89004f35"><div class="ttname"><a href="gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a></div><div class="ttdeci">double upper_bound</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00126">gscip_solver.cc:126</a></div></div>
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<div class="ttc" id="agscip__solver_8cc_html_a1e2f9a2352c1d9a6cada9544898fceec"><div class="ttname"><a href="gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a></div><div class="ttdeci">double lower_bound</div><div class="ttdef"><b>Definition:</b> <a href="gscip__solver_8cc_source.html#l00125">gscip_solver.cc:125</a></div></div>
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<div class="ttc" id="agurobi__callback_8h_html"><div class="ttname"><a href="gurobi__callback_8h.html">gurobi_callback.h</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_a675dd47bbf0a66c9cb592047797a6d69"><div class="ttname"><a href="gurobi__interface_8cc.html#a675dd47bbf0a66c9cb592047797a6d69">where</a></div><div class="ttdeci">int where</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00275">gurobi_interface.cc:275</a></div></div>
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<div class="ttc" id="alinked__hash__map_8h_html"><div class="ttname"><a href="linked__hash__map_8h.html">linked_hash_map.h</a></div></div>
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<div class="ttc" id="amessage__callback__data_8h_html"><div class="ttname"><a href="message__callback__data_8h.html">message_callback_data.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ad9f50c9313b35cc1e8887057dc4d9645"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">operations_research::math_opt::kInf</a></div><div class="ttdeci">constexpr double kInf</div><div class="ttdef"><b>Definition:</b> <a href="ids__validator_8cc_source.html#l00035">ids_validator.cc:35</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="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00509">pack.cc:509</a></div></div>
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<div class="ttc" id="asolver__interface_8h_html"><div class="ttname"><a href="solver__interface_8h.html">solver_interface.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_gurobi_callback_input_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_gurobi_callback_input.html">operations_research::math_opt::GurobiCallbackInput</a></div><div class="ttdef"><b>Definition:</b> <a href="gurobi__callback_8h_source.html#l00034">gurobi_callback.h:34</a></div></div>
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