306 lines
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306 lines
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<a href="solve_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="solve_8h.html">ortools/math_opt/cpp/solve.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <functional></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <optional></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="base_2status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "ortools/math_opt/callback.pb.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "<a class="code" href="model__storage_8h.html">ortools/math_opt/core/model_storage.h</a>"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="solver_8h.html">ortools/math_opt/core/solver.h</a>"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "<a class="code" href="math__opt_2cpp_2model_8h.html">ortools/math_opt/cpp/model.h</a>"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research_1_1math__opt.html">math_opt</a> {</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">namespace </span>{</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><a class="code hl_typedef" href="classoperations__research_1_1math__opt_1_1_solver.html#abbb1d8152357dc5dd6caf1c41091b1d1">Solver::InitArgs</a> ToSolverInitArgs(<span class="keyword">const</span> SolverInitArguments& arguments) {</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <a class="code hl_typedef" href="classoperations__research_1_1math__opt_1_1_solver.html#abbb1d8152357dc5dd6caf1c41091b1d1">Solver::InitArgs</a> solver_init_args;</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> solver_init_args.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_solver_interface_1_1_init_args.html#a594432525c7a78e339e657f496610bff">streamable</a> = arguments.streamable.Proto();</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (arguments.non_streamable != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> solver_init_args.non_streamable = arguments.non_streamable.get();</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> }</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> solver_init_args;</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>}</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment">// Asserts (with CHECK) that the input pointer is either nullptr or that it</span></div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment">// points to the same model storage as storage_.</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keywordtype">void</span> CheckModelStorage(<span class="keyword">const</span> ModelStorage* <span class="keyword">const</span> storage,</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">const</span> ModelStorage* <span class="keyword">const</span> expected_storage) {</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">if</span> (storage != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(storage, expected_storage)</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> << <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9d4bedb453e652d220a0e686acdcc4dc">internal::kObjectsFromOtherModelStorage</a>;</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> }</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>}</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span>absl::StatusOr<SolveResult> CallSolve(</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> Solver& solver, <span class="keyword">const</span> ModelStorage* <span class="keyword">const</span> expected_storage,</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">const</span> SolveArguments& arguments) {</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> CheckModelStorage(<span class="comment">/*storage=*/</span>arguments.model_parameters.storage(),</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="comment">/*expected_storage=*/</span>expected_storage);</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> CheckModelStorage(<span class="comment">/*storage=*/</span>arguments.callback_registration.storage(),</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="comment">/*expected_storage=*/</span>expected_storage);</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">if</span> (arguments.callback == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(arguments.callback_registration.events.empty())</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> << <span class="stringliteral">"No callback was provided to run, but callback events were "</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="stringliteral">"registered."</span>;</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <a class="code hl_typedef" 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 id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">if</span> (arguments.callback != <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> cb = [&](<span class="keyword">const</span> CallbackDataProto& callback_data_proto) {</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">const</span> CallbackData data(expected_storage, callback_data_proto);</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">const</span> CallbackResult result = arguments.callback(data);</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> CheckModelStorage(<span class="comment">/*storage=*/</span>result.storage(),</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="comment">/*expected_storage=*/</span>expected_storage);</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> result.Proto();</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> };</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> }</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> SolveResultProto solve_result,</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> solver.Solve(</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> {.parameters = arguments.parameters.Proto(),</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> .model_parameters = arguments.model_parameters.Proto(),</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> .message_callback = arguments.message_callback,</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> .callback_registration = arguments.callback_registration.Proto(),</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> .user_cb = std::move(cb),</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> .interrupter = arguments.interrupter}));</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structoperations__research_1_1math__opt_1_1_solve_result.html#a90cc7416f078ff7f824bfd2e8fe7d4b5">SolveResult::FromProto</a>(expected_storage, solve_result);</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>}</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a5767ee23f380e72488d3c7ebf2d742b1"> 94</a></span>absl::StatusOr<SolveResult> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a5767ee23f380e72488d3c7ebf2d742b1">Solve</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_model.html">Model</a>& <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1math__opt.html#a8b06041d7c1fb05f379714f4312306ec">SolverType</a> solver_type,</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_solve_arguments.html">SolveArguments</a>& solve_args,</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_solver_init_arguments.html">SolverInitArguments</a>& init_args) {</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> std::unique_ptr<Solver> solver,</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_solver.html#acd02be98e41289385aa9bbae0dca7100">Solver::New</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#afd93f2315e9dc6bea76df7e7d0d853d1">EnumToProto</a>(solver_type), <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.ExportModel(),</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> ToSolverInitArgs(init_args)));</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">return</span> CallSolve(*solver, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.storage(), solve_args);</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span>}</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#ae216d134c8146dadaa9c16ef2ed1f7c4"> 104</a></span>absl::StatusOr<std::unique_ptr<IncrementalSolver>> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#ae216d134c8146dadaa9c16ef2ed1f7c4">IncrementalSolver::New</a>(</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_model.html">Model</a>* <span class="keyword">const</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1math__opt.html#a8b06041d7c1fb05f379714f4312306ec">SolverType</a> solver_type,</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_solver_init_arguments.html">SolverInitArguments</a> arguments) {</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a> == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(<span class="stringliteral">"input model can't be null"</span>);</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> }</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> std::unique_ptr<UpdateTracker> update_tracker = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->NewUpdateTracker();</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> ModelProto <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>, update_tracker->ExportModel());</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(std::unique_ptr<Solver> solver,</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_solver.html#acd02be98e41289385aa9bbae0dca7100">Solver::New</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#afd93f2315e9dc6bea76df7e7d0d853d1">EnumToProto</a>(solver_type), <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> ToSolverInitArgs(arguments)));</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">return</span> absl::WrapUnique<IncrementalSolver>(</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">new</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html">IncrementalSolver</a>(solver_type, std::move(arguments), <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->storage(),</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> std::move(update_tracker), std::move(solver)));</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span>}</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span>IncrementalSolver::IncrementalSolver(</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1math__opt.html#a8b06041d7c1fb05f379714f4312306ec">SolverType</a> solver_type, <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_solver_init_arguments.html">SolverInitArguments</a> init_args,</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_model_storage.html">ModelStorage</a>* <span class="keyword">const</span> expected_storage,</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::unique_ptr<UpdateTracker> update_tracker,</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> std::unique_ptr<Solver> solver)</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> : solver_type_(solver_type),</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> init_args_(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(init_args)),</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> expected_storage_(expected_storage),</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> update_tracker_(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(update_tracker)),</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> solver_(<a class="code hl_namespace" href="namespacestd.html">std</a>::move(solver)) {}</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#a09edb28db4787bb2ab7f784443cf5d49"> 131</a></span>absl::StatusOr<SolveResult> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#a09edb28db4787bb2ab7f784443cf5d49">IncrementalSolver::Solve</a>(</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_solve_arguments.html">SolveArguments</a>& arguments) {</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#a0e4c8a75b3b5cff81a7b59d710f81c92">Update</a>().<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>());</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#aafad5fca2fdbc339c7ff5a76d9211eaf">SolveWithoutUpdate</a>(arguments);</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span>}</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#a0e4c8a75b3b5cff81a7b59d710f81c92"> 137</a></span>absl::StatusOr<IncrementalSolver::UpdateResult> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#a0e4c8a75b3b5cff81a7b59d710f81c92">IncrementalSolver::Update</a>() {</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(std::optional<ModelUpdateProto> model_update,</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> update_tracker_->ExportModelUpdate());</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (!model_update) {</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_incremental_solver_1_1_update_result.html">UpdateResult</a>(<span class="keyword">true</span>, std::move(model_update));</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> }</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <a class="code hl_define" href="base_2status__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 id="l00145" name="l00145"></a><span class="lineno"> 145</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(update_tracker_->Checkpoint());</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">if</span> (did_update) {</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_incremental_solver_1_1_update_result.html">UpdateResult</a>(<span class="keyword">true</span>, std::move(model_update));</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> }</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> </div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(<span class="keyword">const</span> ModelProto <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> update_tracker_->ExportModel());</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(solver_, <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_solver.html#acd02be98e41289385aa9bbae0dca7100">Solver::New</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#afd93f2315e9dc6bea76df7e7d0d853d1">EnumToProto</a>(solver_type_), <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> ToSolverInitArgs(init_args_)));</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_incremental_solver_1_1_update_result.html">UpdateResult</a>(<span class="keyword">false</span>, std::move(model_update));</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span>}</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#aafad5fca2fdbc339c7ff5a76d9211eaf"> 159</a></span>absl::StatusOr<SolveResult> <a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#aafad5fca2fdbc339c7ff5a76d9211eaf">IncrementalSolver::SolveWithoutUpdate</a>(</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_solve_arguments.html">SolveArguments</a>& arguments)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keywordflow">return</span> CallSolve(*solver_, expected_storage_, arguments);</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span>}</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span>} <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</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#l00495">base/logging.h:495</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#l00703">base/logging.h:703</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html"><div class="ttname"><a href="base_2status__macros_8h.html">status_macros.h</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_a600de4b8f65fe0a4b1898041634f9011"><div class="ttname"><a href="base_2status__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="base_2status__macros_8h_source.html#l00046">base/status_macros.h:46</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_acdc223d8c59d5c591dc6b4e88257627b"><div class="ttname"><a href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(expr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00027">base/status_macros.h:27</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_incremental_solver_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_incremental_solver.html">operations_research::math_opt::IncrementalSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="solve_8h_source.html#l00119">solve.h:119</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_incremental_solver_html_a09edb28db4787bb2ab7f784443cf5d49"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#a09edb28db4787bb2ab7f784443cf5d49">operations_research::math_opt::IncrementalSolver::Solve</a></div><div class="ttdeci">absl::StatusOr< SolveResult > Solve(const SolveArguments &arguments={})</div><div class="ttdef"><b>Definition:</b> <a href="solve_8cc_source.html#l00131">solve.cc:131</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_incremental_solver_html_a0e4c8a75b3b5cff81a7b59d710f81c92"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#a0e4c8a75b3b5cff81a7b59d710f81c92">operations_research::math_opt::IncrementalSolver::Update</a></div><div class="ttdeci">absl::StatusOr< UpdateResult > Update()</div><div class="ttdef"><b>Definition:</b> <a href="solve_8cc_source.html#l00137">solve.cc:137</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_incremental_solver_html_aafad5fca2fdbc339c7ff5a76d9211eaf"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#aafad5fca2fdbc339c7ff5a76d9211eaf">operations_research::math_opt::IncrementalSolver::SolveWithoutUpdate</a></div><div class="ttdeci">absl::StatusOr< SolveResult > SolveWithoutUpdate(const SolveArguments &arguments={}) const</div><div class="ttdef"><b>Definition:</b> <a href="solve_8cc_source.html#l00159">solve.cc:159</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_incremental_solver_html_ae216d134c8146dadaa9c16ef2ed1f7c4"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_incremental_solver.html#ae216d134c8146dadaa9c16ef2ed1f7c4">operations_research::math_opt::IncrementalSolver::New</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< IncrementalSolver > > New(Model *model, SolverType solver_type, SolverInitArguments arguments={})</div><div class="ttdef"><b>Definition:</b> <a href="solve_8cc_source.html#l00104">solve.cc:104</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model.html">operations_research::math_opt::Model</a></div><div class="ttdef"><b>Definition:</b> <a href="math__opt_2cpp_2model_8h_source.html#l00091">math_opt/cpp/model.h:91</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_model_storage_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_model_storage.html">operations_research::math_opt::ModelStorage</a></div><div class="ttdef"><b>Definition:</b> <a href="model__storage_8h_source.html#l00155">model_storage.h:155</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_html_abbb1d8152357dc5dd6caf1c41091b1d1"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver.html#abbb1d8152357dc5dd6caf1c41091b1d1">operations_research::math_opt::Solver::InitArgs</a></div><div class="ttdeci">SolverInterface::InitArgs InitArgs</div><div class="ttdef"><b>Definition:</b> <a href="solver_8h_source.html#l00069">solver.h:69</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#l00082">solver.h:82</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_html_acd02be98e41289385aa9bbae0dca7100"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver.html#acd02be98e41289385aa9bbae0dca7100">operations_research::math_opt::Solver::New</a></div><div class="ttdeci">static absl::StatusOr< std::unique_ptr< Solver > > New(SolverTypeProto solver_type, const ModelProto &model, const InitArgs &arguments)</div><div class="ttdef"><b>Definition:</b> <a href="solver_8cc_source.html#l00179">solver.cc:179</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a6ac76d8a372013f67c4973012948ec84"><div class="ttname"><a href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a></div><div class="ttdeci">CpModelProto const * model_proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02048">cp_model_solver.cc:2048</a></div></div>
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<div class="ttc" id="ag__gurobi_8cc_html_a2237393c7ae7ad7344c9885066d5ab6d"><div class="ttname"><a href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a></div><div class="ttdeci">absl::Status status</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00035">g_gurobi.cc:35</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00274">gurobi_interface.cc:274</a></div></div>
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<div class="ttc" id="amath__opt_2cpp_2model_8h_html"><div class="ttname"><a href="math__opt_2cpp_2model_8h.html">model.h</a></div></div>
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<div class="ttc" id="amodel__storage_8h_html"><div class="ttname"><a href="model__storage_8h.html">model_storage.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_a9d4bedb453e652d220a0e686acdcc4dc"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9d4bedb453e652d220a0e686acdcc4dc">operations_research::math_opt::internal::kObjectsFromOtherModelStorage</a></div><div class="ttdeci">constexpr absl::string_view kObjectsFromOtherModelStorage</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_1_1math__opt_html"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html">operations_research::math_opt</a></div><div class="ttdef"><b>Definition:</b> <a href="arrow__operator__proxy_8h_source.html#l00020">arrow_operator_proxy.h:20</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a5767ee23f380e72488d3c7ebf2d742b1"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a5767ee23f380e72488d3c7ebf2d742b1">operations_research::math_opt::Solve</a></div><div class="ttdeci">absl::StatusOr< SolveResult > Solve(const Model &model, const SolverType solver_type, const SolveArguments &solve_args, const SolverInitArguments &init_args)</div><div class="ttdef"><b>Definition:</b> <a href="solve_8cc_source.html#l00094">solve.cc:94</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a8b06041d7c1fb05f379714f4312306ec"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a8b06041d7c1fb05f379714f4312306ec">operations_research::math_opt::SolverType</a></div><div class="ttdeci">SolverType</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8h_source.html#l00037">parameters.h:37</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_afd93f2315e9dc6bea76df7e7d0d853d1"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#afd93f2315e9dc6bea76df7e7d0d853d1">operations_research::math_opt::EnumToProto</a></div><div class="ttdeci">Enum< E >::Proto EnumToProto(const std::optional< E > value)</div><div class="ttdef"><b>Definition:</b> <a href="enums_8h_source.html#l00264">enums.h:264</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="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
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<div class="ttc" id="asolve_8h_html"><div class="ttname"><a href="solve_8h.html">solve.h</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="astructoperations__research_1_1math__opt_1_1_incremental_solver_1_1_update_result_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_incremental_solver_1_1_update_result.html">operations_research::math_opt::IncrementalSolver::UpdateResult</a></div><div class="ttdef"><b>Definition:</b> <a href="solve_8h_source.html#l00121">solve.h:121</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_solve_arguments_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_solve_arguments.html">operations_research::math_opt::SolveArguments</a></div><div class="ttdef"><b>Definition:</b> <a href="solve__arguments_8h_source.html#l00027">solve_arguments.h:27</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_solve_result_html_a90cc7416f078ff7f824bfd2e8fe7d4b5"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_solve_result.html#a90cc7416f078ff7f824bfd2e8fe7d4b5">operations_research::math_opt::SolveResult::FromProto</a></div><div class="ttdeci">static SolveResult FromProto(const ModelStorage *model, const SolveResultProto &solve_result_proto)</div><div class="ttdef"><b>Definition:</b> <a href="solve__result_8cc_source.html#l00327">solve_result.cc:327</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_solver_init_arguments_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_solver_init_arguments.html">operations_research::math_opt::SolverInitArguments</a></div><div class="ttdef"><b>Definition:</b> <a href="solver__init__arguments_8h_source.html#l00053">solver_init_arguments.h:53</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_solver_interface_1_1_init_args_html_a594432525c7a78e339e657f496610bff"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_solver_interface_1_1_init_args.html#a594432525c7a78e339e657f496610bff">operations_research::math_opt::SolverInterface::InitArgs::streamable</a></div><div class="ttdeci">SolverInitializerProto streamable</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00065">solver_interface.h:65</a></div></div>
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