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<h1 style="color: #145A32;">C++ Reference: Linear solver</h1>
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<a href="linear__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><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><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><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><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div><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><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><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><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><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><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><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">#ifndef OR_TOOLS_LINEAR_SOLVER_LINEAR_SOLVER_H_</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#define OR_TOOLS_LINEAR_SOLVER_LINEAR_SOLVER_H_</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#include <atomic></span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#include <cstdint></span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#include <functional></span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor">#include "absl/base/port.h"</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#include "absl/flags/parse.h"</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">#include "absl/flags/usage.h"</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">#include "absl/status/status.h"</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#include "absl/strings/match.h"</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#include "absl/strings/str_format.h"</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor">#include "absl/types/optional.h"</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#include "ortools/base/integral_types.h"</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor">#include "ortools/base/logging.h"</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#include "ortools/base/macros.h"</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor">#include "ortools/base/timer.h"</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#include "<a class="code" href="linear__expr_8h.html">ortools/linear_solver/linear_expr.h</a>"</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor">#include "<a class="code" href="linear__solver_8pb_8h.html">ortools/linear_solver/linear_solver.pb.h</a>"</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#include "ortools/linear_solver/linear_solver_callback.h"</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor">#include "ortools/port/proto_utils.h"</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <a class="code" href="linear__solver_8h.html#a9a91eed380982c769d7ca85b5736f91c">ABSL_DECLARE_FLAG</a>(<span class="keywordtype">bool</span>, linear_solver_enable_verbose_output);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a221d711fbd5a16db9dc92a3c5095cbf5"> 168</a></span> constexpr <span class="keywordtype">double</span> <a class="code" href="namespaceoperations__research.html#a221d711fbd5a16db9dc92a3c5095cbf5">kDefaultPrimalTolerance</a> = 1e-07;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html">MPObjective</a>;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// There is a homonymous version taking a MPSolver::OptimizationProblemType.</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#a653e11eef608bfb88f21325e7fa12f2b">SolverTypeIsMip</a>(<a class="code" href="namespaceoperations__research.html#ac417714eb4dbaf83717bb2aa9affc689">MPModelRequest::SolverType</a> solver_type);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html"> 183</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a> {</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8"> 191</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">OptimizationProblemType</a> {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// Linear programming problems.</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// ----------------------------</span></div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a1a0c61d2ddbf6def6615101b365cee90"> 194</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a1a0c61d2ddbf6def6615101b365cee90">CLP_LINEAR_PROGRAMMING</a> = 0,</div><div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a5047ea912234846bb32b30c1dcadf761"> 195</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a5047ea912234846bb32b30c1dcadf761">GLPK_LINEAR_PROGRAMMING</a> = 1,</div><div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a21a919f23e61f3bdea7509c3887c888f"> 196</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a21a919f23e61f3bdea7509c3887c888f">GLOP_LINEAR_PROGRAMMING</a> = 2, <span class="comment">// Recommended default value. Made in Google.</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// Integer programming problems.</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// -----------------------------</span></div><div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a83b85675904f261c34c280b2abdcd9ae"> 200</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a83b85675904f261c34c280b2abdcd9ae">SCIP_MIXED_INTEGER_PROGRAMMING</a> = 3, <span class="comment">// Recommended default value.</span></div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8ab8fe41e971d897b3ac8a4d3b789003d4"> 201</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8ab8fe41e971d897b3ac8a4d3b789003d4">GLPK_MIXED_INTEGER_PROGRAMMING</a> = 4,</div><div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8ad183dc62c63346a3b984b93fbda0137a"> 202</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8ad183dc62c63346a3b984b93fbda0137a">CBC_MIXED_INTEGER_PROGRAMMING</a> = 5,</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// Commercial software (need license).</span></div><div class="line"><a name="l00205"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a51e5ee25b1d77df2bde63950cfe0ab56"> 205</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a51e5ee25b1d77df2bde63950cfe0ab56">GUROBI_LINEAR_PROGRAMMING</a> = 6,</div><div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a623ab5a721425a45fb724fd82f4bcc09"> 206</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a623ab5a721425a45fb724fd82f4bcc09">GUROBI_MIXED_INTEGER_PROGRAMMING</a> = 7,</div><div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a51726396f358c2e9ff870c3e0e17798a"> 207</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a51726396f358c2e9ff870c3e0e17798a">CPLEX_LINEAR_PROGRAMMING</a> = 10,</div><div class="line"><a name="l00208"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a223fb1b5c8d153d5fef50b8d6f0426e9"> 208</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a223fb1b5c8d153d5fef50b8d6f0426e9">CPLEX_MIXED_INTEGER_PROGRAMMING</a> = 11,</div><div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a3097f16057930e83bce90546640bdd82"> 209</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a3097f16057930e83bce90546640bdd82">XPRESS_LINEAR_PROGRAMMING</a> = 101,</div><div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a5a62faa5ec0ffed2abbc2d526bd53286"> 210</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a5a62faa5ec0ffed2abbc2d526bd53286">XPRESS_MIXED_INTEGER_PROGRAMMING</a> = 102,</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// Boolean optimization problem (requires only integer variables and works</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// best with only Boolean variables).</span></div><div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a63c332dd969034f3c3086975a9e23b7e"> 214</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a63c332dd969034f3c3086975a9e23b7e">BOP_INTEGER_PROGRAMMING</a> = 12,</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">// SAT based solver (requires only integer and Boolean variables).</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// If you pass it mixed integer problems, it will scale coefficients to</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// integer values, and solver continuous variables as integral variables.</span></div><div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8aa12b397b225ca43d143085b619706e18"> 219</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8aa12b397b225ca43d143085b619706e18">SAT_INTEGER_PROGRAMMING</a> = 14,</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Dedicated knapsack solvers.</span></div><div class="line"><a name="l00222"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a2b293906a9413ca8a70fa72c47a4bdbc"> 222</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a2b293906a9413ca8a70fa72c47a4bdbc">KNAPSACK_MIXED_INTEGER_PROGRAMMING</a> = 13,</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  };</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#acdb0e5753d20e4d3ece49a0451d24c4f">MPSolver</a>(<span class="keyword">const</span> std::string& name, <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">OptimizationProblemType</a> problem_type);</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a18c4c6d71bb8379b15a21868e1e2d3fa">~MPSolver</a>();</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">static</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#a34cfddb524394d766e725ed228f74ea3">CreateSolver</a>(<span class="keyword">const</span> std::string& solver_id);</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#af63f7de45a05eb7439a7a1c9ca594fd8">SupportsProblemType</a>(<a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">OptimizationProblemType</a> problem_type);</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a3e8b0f4b22e58bfd3ec683807e9b97b4">ParseSolverType</a>(absl::string_view solver_id,</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">OptimizationProblemType</a>* type);</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keyword">static</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">OptimizationProblemType</a> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a40ac97031cb9dfac6b4810f4d7dad835">ParseSolverTypeOrDie</a>(</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keyword">const</span> std::string& solver_id);</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a29500cb9138fb0d96b2ed028d9253881">IsMIP</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div><div class="line"><a name="l00283"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a191cd9b1ba3e3c01a558a1f6c02a4429"> 283</a></span>  <span class="keyword">const</span> std::string& <a class="code" href="classoperations__research_1_1_m_p_solver.html#a191cd9b1ba3e3c01a558a1f6c02a4429">Name</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">return</span> name_; <span class="comment">// Set at construction.</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div><div class="line"><a name="l00288"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#aee8250cf90d66d569534338248924469"> 288</a></span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">OptimizationProblemType</a> <a class="code" href="classoperations__research_1_1_m_p_solver.html#aee8250cf90d66d569534338248924469">ProblemType</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> problem_type_; <span class="comment">// Set at construction.</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#aa71d36872f416feaa853788a7a7a7ef8">Clear</a>();</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div><div class="line"><a name="l00300"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a9d3beb2afe4ae647674b054bf29290e2"> 300</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a9d3beb2afe4ae647674b054bf29290e2">NumVariables</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> variables_.size(); }</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div><div class="line"><a name="l00306"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a34caaebb9e2b365ef0ec449e870f5b5d"> 306</a></span>  <span class="keyword">const</span> std::vector<MPVariable*>& <a class="code" href="classoperations__research_1_1_m_p_solver.html#a34caaebb9e2b365ef0ec449e870f5b5d">variables</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> variables_; }</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div><div class="line"><a name="l00311"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#acd4056eff31d3008809b2e0b8a823373"> 311</a></span>  <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#acd4056eff31d3008809b2e0b8a823373">variable</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> variables_[index]; }</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#a981cdf256aa33e518b8747c96bf1a9c7">LookupVariableOrNull</a>(<span class="keyword">const</span> std::string& var_name) <span class="keyword">const</span>;</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#a728f0121faaa95a451eaef6eb13e2242">MakeVar</a>(<span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub, <span class="keywordtype">bool</span> integer,</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keyword">const</span> std::string& name);</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#ae522890e16fd065100174a819558b461">MakeNumVar</a>(<span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub, <span class="keyword">const</span> std::string& name);</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#a33b5ede96c77f6cfdd4f54325f384ab7">MakeIntVar</a>(<span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub, <span class="keyword">const</span> std::string& name);</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#a2090dbd973eba8c24c4fa7b2714e4c44">MakeBoolVar</a>(<span class="keyword">const</span> std::string& name);</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a66fd302d0082c74e6dea35ac59784847">MakeVarArray</a>(<span class="keywordtype">int</span> nb, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub, <span class="keywordtype">bool</span> integer,</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keyword">const</span> std::string& name_prefix,</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  std::vector<MPVariable*>* vars);</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a648a61e30b62b1c17ab1f49fe6c9ed8d">MakeNumVarArray</a>(<span class="keywordtype">int</span> nb, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub, <span class="keyword">const</span> std::string& name,</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  std::vector<MPVariable*>* vars);</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a9333144b7d28f68a7537b2ba19a1ba9b">MakeIntVarArray</a>(<span class="keywordtype">int</span> nb, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub, <span class="keyword">const</span> std::string& name,</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  std::vector<MPVariable*>* vars);</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a200ccd114eb5057856c05501c2d4abe5">MakeBoolVarArray</a>(<span class="keywordtype">int</span> nb, <span class="keyword">const</span> std::string& name,</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  std::vector<MPVariable*>* vars);</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> </div><div class="line"><a name="l00370"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a03666f2e70e42a9560aa9ce7416d2644"> 370</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a03666f2e70e42a9560aa9ce7416d2644">NumConstraints</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> constraints_.size(); }</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div><div class="line"><a name="l00377"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a5ff11cd513c803ba3f75f2f672f1cf6f"> 377</a></span>  <span class="keyword">const</span> std::vector<MPConstraint*>& <a class="code" href="classoperations__research_1_1_m_p_solver.html#a5ff11cd513c803ba3f75f2f672f1cf6f">constraints</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> constraints_; }</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00380"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a19476a1c421b9ee05231ee9af2387057"> 380</a></span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#a19476a1c421b9ee05231ee9af2387057">constraint</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> constraints_[index]; }</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#abbf4c26107aac610a00471f41740b01e">LookupConstraintOrNull</a>(</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keyword">const</span> std::string& constraint_name) <span class="keyword">const</span>;</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab60f33fbc8132eda10c296885625b7d9">MakeRowConstraint</a>(<span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub);</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> </div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab60f33fbc8132eda10c296885625b7d9">MakeRowConstraint</a>();</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab60f33fbc8132eda10c296885625b7d9">MakeRowConstraint</a>(<span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub,</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keyword">const</span> std::string& name);</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab60f33fbc8132eda10c296885625b7d9">MakeRowConstraint</a>(<span class="keyword">const</span> std::string& name);</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> </div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab60f33fbc8132eda10c296885625b7d9">MakeRowConstraint</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_linear_range.html">LinearRange</a>& range);</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab60f33fbc8132eda10c296885625b7d9">MakeRowConstraint</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_linear_range.html">LinearRange</a>& range,</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keyword">const</span> std::string& name);</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span> </div><div class="line"><a name="l00428"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a5004489a36bc1393efa043044a63732f"> 428</a></span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html">MPObjective</a>& <a class="code" href="classoperations__research_1_1_m_p_solver.html#a5004489a36bc1393efa043044a63732f">Objective</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *objective_; }</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div><div class="line"><a name="l00431"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a226456dfb15300dd4e59d0bf80d0ce07"> 431</a></span>  <a class="code" href="classoperations__research_1_1_m_p_objective.html">MPObjective</a>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#a226456dfb15300dd4e59d0bf80d0ce07">MutableObjective</a>() { <span class="keywordflow">return</span> objective_.get(); }</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> </div><div class="line"><a name="l00439"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d"> 439</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">ResultStatus</a> {</div><div class="line"><a name="l00441"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad"> 441</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">OPTIMAL</a>,</div><div class="line"><a name="l00443"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1"> 443</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1">FEASIBLE</a>,</div><div class="line"><a name="l00445"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483"> 445</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">INFEASIBLE</a>,</div><div class="line"><a name="l00447"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef"> 447</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef">UNBOUNDED</a>,</div><div class="line"><a name="l00449"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7"> 449</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">ABNORMAL</a>,</div><div class="line"><a name="l00451"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dae071e79c23f061c9dd00ee09519a0031"> 451</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dae071e79c23f061c9dd00ee09519a0031">MODEL_INVALID</a>,</div><div class="line"><a name="l00453"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f"> 453</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f">NOT_SOLVED</a> = 6</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  };</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> </div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">ResultStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a9f55f5e7a62b45961982063ebc1e9945">Solve</a>();</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">ResultStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a9f55f5e7a62b45961982063ebc1e9945">Solve</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param);</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span> </div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#aaa766a9aa802903bf7a6e5b8fb82c70c">Write</a>(<span class="keyword">const</span> std::string& file_name);</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> </div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  std::vector<double> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab17a7a859c6e429296e55570c06337cf">ComputeConstraintActivities</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span> </div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a2c50b77c283c82d632f0dc605ceca3c3">VerifySolution</a>(<span class="keywordtype">double</span> tolerance, <span class="keywordtype">bool</span> log_errors) <span class="keyword">const</span>;</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span> </div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a372de693ad40b3f42839c8ec6ac845f4">Reset</a>();</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span> </div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ac75b700ead5ff5d0944b5161e6dac9e8">InterruptSolve</a>();</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span> </div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1b">MPSolverResponseStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab0f83070e72cee887e874382ee6d6958">LoadModelFromProto</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_model_proto.html">MPModelProto</a>& input_model,</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  std::string* error_message);</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1b">MPSolverResponseStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ae74ce5ecb0dd3b4bcddb31bd59da7089">LoadModelFromProtoWithUniqueNamesOrDie</a>(</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_model_proto.html">MPModelProto</a>& input_model, std::string* error_message);</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span> </div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a018794097e44ee8189380eef2b0f267f">FillSolutionResponseProto</a>(<a class="code" href="classoperations__research_1_1_m_p_solution_response.html">MPSolutionResponse</a>* response) <span class="keyword">const</span>;</div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span> </div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a6d15ef2bce88ffcd8ec93cad9f3bf5bd">SolveWithProto</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_model_request.html">MPModelRequest</a>& model_request,</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <a class="code" href="classoperations__research_1_1_m_p_solution_response.html">MPSolutionResponse</a>* response,</div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="comment">// `interrupt` is non-const because the internal</span></div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="comment">// solver may set it to true itself, in some cases.</span></div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  std::atomic<bool>* interrupt = <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span> </div><div class="line"><a name="l00560"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#ae3633ce77fd9b00984f0e917ab13efc6"> 560</a></span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ae3633ce77fd9b00984f0e917ab13efc6">SolverTypeSupportsInterruption</a>(</div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#ac417714eb4dbaf83717bb2aa9affc689">MPModelRequest::SolverType</a> solver) {</div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="comment">// Interruption requires that MPSolver::InterruptSolve is supported for the</span></div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="comment">// underlying solver. Interrupting requests using SCIP is also not supported</span></div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="comment">// as of 2021/08/23, since InterruptSolve is not go/thread-safe</span></div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="comment">// for SCIP (see e.g. cl/350545631 for details).</span></div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">return</span> solver == <a class="code" href="classoperations__research_1_1_m_p_model_request.html#a907c863b24c3210c87af678235be67c5">MPModelRequest::GLOP_LINEAR_PROGRAMMING</a> ||</div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  solver == <a class="code" href="classoperations__research_1_1_m_p_model_request.html#a15729bbed2704c82113a2698ab03272c">MPModelRequest::GUROBI_LINEAR_PROGRAMMING</a> ||</div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  solver == <a class="code" href="classoperations__research_1_1_m_p_model_request.html#a2d3dadb18615d010dd342c5def143744">MPModelRequest::GUROBI_MIXED_INTEGER_PROGRAMMING</a> ||</div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  solver == <a class="code" href="classoperations__research_1_1_m_p_model_request.html#a40f08fb3e4751096aaf359cc80eb6009">MPModelRequest::SAT_INTEGER_PROGRAMMING</a>;</div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span> </div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a880227c1bbe5a1a2a21796a947804615">ExportModelToProto</a>(<a class="code" href="classoperations__research_1_1_m_p_model_proto.html">MPModelProto</a>* output_model) <span class="keyword">const</span>;</div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span> </div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  absl::Status <a class="code" href="classoperations__research_1_1_m_p_solver.html#a77ad9d38d3dfbc7580cd810761dc1df4">LoadSolutionFromProto</a>(</div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solution_response.html">MPSolutionResponse</a>& response,</div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="keywordtype">double</span> tolerance = std::numeric_limits<double>::infinity());</div><div class="line"><a name="l00611"></a><span class="lineno"> 611</span> </div><div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  absl::Status <a class="code" href="classoperations__research_1_1_m_p_solver.html#a9df947ed3bb70075e234f8f0f78bc8ee">ClampSolutionWithinBounds</a>();</div><div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#aa9a00625dd56e64b32c97b95445a1b9c">ExportModelAsLpFormat</a>(<span class="keywordtype">bool</span> obfuscate, std::string* model_str) <span class="keyword">const</span>;</div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab3669577a3f7b00eaf00bbcb0f13da31">ExportModelAsMpsFormat</a>(<span class="keywordtype">bool</span> fixed_format, <span class="keywordtype">bool</span> obfuscate,</div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  std::string* model_str) <span class="keyword">const</span>;</div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div><div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  absl::Status <a class="code" href="classoperations__research_1_1_m_p_solver.html#a849bf49baad56df58c018e8ab09456fb">SetNumThreads</a>(<span class="keywordtype">int</span> num_threads);</div><div class="line"><a name="l00639"></a><span class="lineno"> 639</span> </div><div class="line"><a name="l00641"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a8eb213aafa3773dfb6a05d184e61bb8a"> 641</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a8eb213aafa3773dfb6a05d184e61bb8a">GetNumThreads</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> num_threads_; }</div><div class="line"><a name="l00642"></a><span class="lineno"> 642</span> </div><div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a77083241e8bdb93b619c7b9feaf82dec">SetSolverSpecificParametersAsString</a>(<span class="keyword">const</span> std::string& parameters);</div><div class="line"><a name="l00650"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a9658c1e6f69bfd3d938e1b8d3f85ba40"> 650</a></span>  std::string <a class="code" href="classoperations__research_1_1_m_p_solver.html#a9658c1e6f69bfd3d938e1b8d3f85ba40">GetSolverSpecificParametersAsString</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="keywordflow">return</span> solver_specific_parameter_string_;</div><div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  }</div><div class="line"><a name="l00653"></a><span class="lineno"> 653</span> </div><div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a4bf4b01cb836a567c90aeeea374ca2a2">SetHint</a>(std::vector<std::pair<const MPVariable*, double> > hint);</div><div class="line"><a name="l00668"></a><span class="lineno"> 668</span> </div><div class="line"><a name="l00673"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d"> 673</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">BasisStatus</a> {</div><div class="line"><a name="l00674"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6"> 674</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">FREE</a> = 0,</div><div class="line"><a name="l00675"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76da6745b95540b79aaa5ee98f7e128b6033"> 675</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76da6745b95540b79aaa5ee98f7e128b6033">AT_LOWER_BOUND</a>,</div><div class="line"><a name="l00676"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76da0d243399df954cc7c42a62953ca00aa2"> 676</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76da0d243399df954cc7c42a62953ca00aa2">AT_UPPER_BOUND</a>,</div><div class="line"><a name="l00677"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76daaf36138ad9ba5562db2eaf2f7c6e18d0"> 677</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76daaf36138ad9ba5562db2eaf2f7c6e18d0">FIXED_VALUE</a>,</div><div class="line"><a name="l00678"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76da13c45196813cb44e6e81e9c48a5ec1b4"> 678</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76da13c45196813cb44e6e81e9c48a5ec1b4">BASIC</a></div><div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  };</div><div class="line"><a name="l00680"></a><span class="lineno"> 680</span> </div><div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a43bc1eaf78615ea6084d975e892c33f1">SetStartingLpBasis</a>(</div><div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="keyword">const</span> std::vector<MPSolver::BasisStatus>& variable_statuses,</div><div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keyword">const</span> std::vector<MPSolver::BasisStatus>& constraint_statuses);</div><div class="line"><a name="l00695"></a><span class="lineno"> 695</span> </div><div class="line"><a name="l00701"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a9655632a7a05d89fc1562459b26d7955"> 701</a></span>  <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a9655632a7a05d89fc1562459b26d7955">infinity</a>() { <span class="keywordflow">return</span> std::numeric_limits<double>::infinity(); }</div><div class="line"><a name="l00702"></a><span class="lineno"> 702</span> </div><div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ab32654406932f9a6afcf44c4d5a143d2">OutputIsEnabled</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00712"></a><span class="lineno"> 712</span> </div><div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ad79f6dc56d90d220de25c15f367b888f">EnableOutput</a>();</div><div class="line"><a name="l00715"></a><span class="lineno"> 715</span> </div><div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ae1df08a9aabad59b5d620930126e6d91">SuppressOutput</a>();</div><div class="line"><a name="l00718"></a><span class="lineno"> 718</span> </div><div class="line"><a name="l00719"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#af3f5aac5b77ce69f53a130b8a779e0b7"> 719</a></span>  absl::Duration <a class="code" href="classoperations__research_1_1_m_p_solver.html#af3f5aac5b77ce69f53a130b8a779e0b7">TimeLimit</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> time_limit_; }</div><div class="line"><a name="l00720"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#aff1d83614c47aa9934d4f9312e6056d4"> 720</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#aff1d83614c47aa9934d4f9312e6056d4">SetTimeLimit</a>(absl::Duration <a class="code" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">time_limit</a>) {</div><div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  DCHECK_GE(<a class="code" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">time_limit</a>, absl::ZeroDuration());</div><div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  time_limit_ = <a class="code" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">time_limit</a>;</div><div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  }</div><div class="line"><a name="l00724"></a><span class="lineno"> 724</span> </div><div class="line"><a name="l00725"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a35603553a6e2fa78a217ca1a4e7e6c18"> 725</a></span>  absl::Duration <a class="code" href="classoperations__research_1_1_m_p_solver.html#a35603553a6e2fa78a217ca1a4e7e6c18">DurationSinceConstruction</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="keywordflow">return</span> absl::Now() - construction_time_;</div><div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  }</div><div class="line"><a name="l00728"></a><span class="lineno"> 728</span> </div><div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  int64_t <a class="code" href="classoperations__research_1_1_m_p_solver.html#a4198b9880783bbbea8b517cc8ce868b3">iterations</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00731"></a><span class="lineno"> 731</span> </div><div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  int64_t <a class="code" href="classoperations__research_1_1_m_p_solver.html#aa38b5851203ddc9f64f01b87ad346ea1">nodes</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00738"></a><span class="lineno"> 738</span> </div><div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  std::string <a class="code" href="classoperations__research_1_1_m_p_solver.html#a858f72e8c0c03339c8d797d41a6fd4b8">SolverVersion</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00741"></a><span class="lineno"> 741</span> </div><div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keywordtype">void</span>* <a class="code" href="classoperations__research_1_1_m_p_solver.html#a1269e748520719b9d11f6ef2d1c28c42">underlying_solver</a>();</div><div class="line"><a name="l00756"></a><span class="lineno"> 756</span> </div><div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a4eef77bb51bde41e69bed87ea44b86e1">ComputeExactConditionNumber</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00781"></a><span class="lineno"> 781</span> </div><div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  ABSL_MUST_USE_RESULT <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a18daa488abaa904f23c8f74158290883">NextSolution</a>();</div><div class="line"><a name="l00797"></a><span class="lineno"> 797</span> </div><div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="comment">// Does not take ownership of "mp_callback".</span></div><div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="comment">//</span></div><div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="comment">// As of 2019-10-22, only SCIP and Gurobi support Callbacks.</span></div><div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="comment">// SCIP does not support suggesting a heuristic solution in the callback.</span></div><div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <span class="comment">//</span></div><div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="comment">// See go/mpsolver-callbacks for additional documentation.</span></div><div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#aaee44c64a12654b08dff20b74702ac6f">SetCallback</a>(MPCallback* mp_callback);</div><div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a8618b250f62af1c96b2f9f7ebbdaa8b6">SupportsCallbacks</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00806"></a><span class="lineno"> 806</span> </div><div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="comment">// Global counters of variables and constraints ever created across all</span></div><div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="comment">// MPSolver instances. Those are only updated after the destruction</span></div><div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="comment">// (or Clear()) of each MPSolver instance.</span></div><div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keyword">static</span> int64_t <a class="code" href="classoperations__research_1_1_m_p_solver.html#aa26d98dc25deb7df20d2f3fa2b841ad9">global_num_variables</a>();</div><div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="keyword">static</span> int64_t <a class="code" href="classoperations__research_1_1_m_p_solver.html#a6cd255f26ead4c88b295ee508c6b9ba5">global_num_constraints</a>();</div><div class="line"><a name="l00812"></a><span class="lineno"> 812</span> </div><div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="comment">// DEPRECATED: Use TimeLimit() and SetTimeLimit(absl::Duration) instead.</span></div><div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="comment">// NOTE: These deprecated functions used the convention time_limit = 0 to mean</span></div><div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="comment">// "no limit", which now corresponds to time_limit_ = InfiniteDuration().</span></div><div class="line"><a name="l00816"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b"> 816</a></span>  int64_t <a class="code" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">time_limit</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keywordflow">return</span> time_limit_ == absl::InfiniteDuration()</div><div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  ? 0</div><div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  : absl::ToInt64Milliseconds(time_limit_);</div><div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  }</div><div class="line"><a name="l00821"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a737bd8130c79449720685c2baba1e28c"> 821</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a737bd8130c79449720685c2baba1e28c">set_time_limit</a>(int64_t time_limit_milliseconds) {</div><div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#aff1d83614c47aa9934d4f9312e6056d4">SetTimeLimit</a>(time_limit_milliseconds == 0</div><div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  ? absl::InfiniteDuration()</div><div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  : absl::Milliseconds(time_limit_milliseconds));</div><div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  }</div><div class="line"><a name="l00826"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#ad58dd106d6ce5869923cc448621066d6"> 826</a></span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#ad58dd106d6ce5869923cc448621066d6">time_limit_in_secs</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keywordflow">return</span> static_cast<double>(<a class="code" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">time_limit</a>()) / 1000.0;</div><div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  }</div><div class="line"><a name="l00829"></a><span class="lineno"> 829</span> </div><div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="comment">// DEPRECATED: Use DurationSinceConstruction() instead.</span></div><div class="line"><a name="l00831"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a6129ea627a9a40fc21ddc24914cc6958"> 831</a></span>  int64_t <a class="code" href="classoperations__research_1_1_m_p_solver.html#a6129ea627a9a40fc21ddc24914cc6958">wall_time</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="keywordflow">return</span> absl::ToInt64Milliseconds(<a class="code" href="classoperations__research_1_1_m_p_solver.html#a35603553a6e2fa78a217ca1a4e7e6c18">DurationSinceConstruction</a>());</div><div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  }</div><div class="line"><a name="l00834"></a><span class="lineno"> 834</span> </div><div class="line"><a name="l00835"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#ae1a3e0a695903c8e6effd524a7f92784"> 835</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#ae1a3e0a695903c8e6effd524a7f92784">GLPKInterface</a>;</div><div class="line"><a name="l00836"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a60944ecdcad88cfb4d4d32feea70c9b5"> 836</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#a60944ecdcad88cfb4d4d32feea70c9b5">CLPInterface</a>;</div><div class="line"><a name="l00837"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#af5a7cf0c655f37c0b388a2ddcf32ac3e"> 837</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#af5a7cf0c655f37c0b388a2ddcf32ac3e">CBCInterface</a>;</div><div class="line"><a name="l00838"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a236f9752f4df4c5134617330a040ec8a"> 838</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#a236f9752f4df4c5134617330a040ec8a">SCIPInterface</a>;</div><div class="line"><a name="l00839"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#ac28a56eeedb62d070578a9231f1875ea"> 839</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#ac28a56eeedb62d070578a9231f1875ea">GurobiInterface</a>;</div><div class="line"><a name="l00840"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#ae7cbd08108e1636184f28c1a71c42393"> 840</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#ae7cbd08108e1636184f28c1a71c42393">CplexInterface</a>;</div><div class="line"><a name="l00841"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#abc935c6e0cb353e2c61d38ad8af1ed5c"> 841</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#abc935c6e0cb353e2c61d38ad8af1ed5c">XpressInterface</a>;</div><div class="line"><a name="l00842"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a5c083b37243075a00bf909840dc7c933"> 842</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#a5c083b37243075a00bf909840dc7c933">SLMInterface</a>;</div><div class="line"><a name="l00843"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#ac0aea0786e75adbb2d24c41c15e7456c"> 843</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>;</div><div class="line"><a name="l00844"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a6c754b527a347994b06eeb49a09ac222"> 844</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#a6c754b527a347994b06eeb49a09ac222">GLOPInterface</a>;</div><div class="line"><a name="l00845"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#a7383308e6b9b63b18196798db342ce8a"> 845</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#a7383308e6b9b63b18196798db342ce8a">BopInterface</a>;</div><div class="line"><a name="l00846"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#acbd4413b1370baca9c45aecb0cb8ebd2"> 846</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#acbd4413b1370baca9c45aecb0cb8ebd2">SatInterface</a>;</div><div class="line"><a name="l00847"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver.html#aee1ddf25e86286c16face31551751bda"> 847</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html#aee1ddf25e86286c16face31551751bda">KnapsackInterface</a>;</div><div class="line"><a name="l00848"></a><span class="lineno"> 848</span> </div><div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="comment">// Debugging: verify that the given MPVariable* belongs to this solver.</span></div><div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#aa2cb7bd4cf46dda371f91184d6232a44">OwnsVariable</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* var) <span class="keyword">const</span>;</div><div class="line"><a name="l00851"></a><span class="lineno"> 851</span> </div><div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="comment">// Computes the size of the constraint with the largest number of</span></div><div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <span class="comment">// coefficients with index in [min_constraint_index,</span></div><div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="comment">// max_constraint_index)</span></div><div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keywordtype">int</span> ComputeMaxConstraintSize(<span class="keywordtype">int</span> min_constraint_index,</div><div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keywordtype">int</span> max_constraint_index) <span class="keyword">const</span>;</div><div class="line"><a name="l00858"></a><span class="lineno"> 858</span> </div><div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="comment">// Returns true if the model has constraints with lower bound > upper bound.</span></div><div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="keywordtype">bool</span> HasInfeasibleConstraints() <span class="keyword">const</span>;</div><div class="line"><a name="l00861"></a><span class="lineno"> 861</span> </div><div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="comment">// Returns true if the model has at least 1 integer variable.</span></div><div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keywordtype">bool</span> HasIntegerVariables() <span class="keyword">const</span>;</div><div class="line"><a name="l00864"></a><span class="lineno"> 864</span> </div><div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="comment">// Generates the map from variable names to their indices.</span></div><div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keywordtype">void</span> GenerateVariableNameIndex() <span class="keyword">const</span>;</div><div class="line"><a name="l00867"></a><span class="lineno"> 867</span> </div><div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="comment">// Generates the map from constraint names to their indices.</span></div><div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keywordtype">void</span> GenerateConstraintNameIndex() <span class="keyword">const</span>;</div><div class="line"><a name="l00870"></a><span class="lineno"> 870</span> </div><div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="comment">// The name of the linear programming problem.</span></div><div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keyword">const</span> std::string name_;</div><div class="line"><a name="l00873"></a><span class="lineno"> 873</span> </div><div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="comment">// The type of the linear programming problem.</span></div><div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">OptimizationProblemType</a> problem_type_;</div><div class="line"><a name="l00876"></a><span class="lineno"> 876</span> </div><div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="comment">// The solver interface.</span></div><div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  std::unique_ptr<MPSolverInterface> interface_;</div><div class="line"><a name="l00879"></a><span class="lineno"> 879</span> </div><div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="comment">// The vector of variables in the problem.</span></div><div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  std::vector<MPVariable*> variables_;</div><div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <span class="comment">// A map from a variable's name to its index in variables_.</span></div><div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="keyword">mutable</span> absl::optional<absl::flat_hash_map<std::string, int> ></div><div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  variable_name_to_index_;</div><div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="comment">// Whether variables have been extracted to the underlying interface.</span></div><div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  std::vector<bool> variable_is_extracted_;</div><div class="line"><a name="l00887"></a><span class="lineno"> 887</span> </div><div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="comment">// The vector of constraints in the problem.</span></div><div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  std::vector<MPConstraint*> constraints_;</div><div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="comment">// A map from a constraint's name to its index in constraints_.</span></div><div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="keyword">mutable</span> absl::optional<absl::flat_hash_map<std::string, int> ></div><div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  constraint_name_to_index_;</div><div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="comment">// Whether constraints have been extracted to the underlying interface.</span></div><div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  std::vector<bool> constraint_is_extracted_;</div><div class="line"><a name="l00895"></a><span class="lineno"> 895</span> </div><div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  <span class="comment">// The linear objective function.</span></div><div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  std::unique_ptr<MPObjective> objective_;</div><div class="line"><a name="l00898"></a><span class="lineno"> 898</span> </div><div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="comment">// Initial values for all or some of the problem variables that can be</span></div><div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <span class="comment">// exploited as a starting hint by a solver.</span></div><div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="comment">//</span></div><div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <span class="comment">// Note(user): as of 05/05/2015, we can't use >> because of some SWIG errors.</span></div><div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="comment">//</span></div><div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <span class="comment">// TODO(user): replace by two vectors, a std::vector<bool> to indicate if a</span></div><div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  <span class="comment">// hint is provided and a std::vector<double> for the hint value.</span></div><div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  std::vector<std::pair<const MPVariable*, double> > solution_hint_;</div><div class="line"><a name="l00907"></a><span class="lineno"> 907</span> </div><div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  absl::Duration time_limit_ = absl::InfiniteDuration(); <span class="comment">// Default = No limit.</span></div><div class="line"><a name="l00909"></a><span class="lineno"> 909</span> </div><div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keyword">const</span> absl::Time construction_time_;</div><div class="line"><a name="l00911"></a><span class="lineno"> 911</span> </div><div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="comment">// Permanent storage for the number of threads.</span></div><div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordtype">int</span> num_threads_ = 1;</div><div class="line"><a name="l00914"></a><span class="lineno"> 914</span> </div><div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <span class="comment">// Permanent storage for SetSolverSpecificParametersAsString().</span></div><div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  std::string solver_specific_parameter_string_;</div><div class="line"><a name="l00917"></a><span class="lineno"> 917</span> </div><div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  <span class="keyword">static</span> absl::Mutex global_count_mutex_;</div><div class="line"><a name="l00919"></a><span class="lineno"> 919</span> <span class="preprocessor">#ifndef SWIG</span></div><div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <span class="keyword">static</span> int64_t global_num_variables_ ABSL_GUARDED_BY(global_count_mutex_);</div><div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <span class="keyword">static</span> int64_t global_num_constraints_ ABSL_GUARDED_BY(global_count_mutex_);</div><div class="line"><a name="l00922"></a><span class="lineno"> 922</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00923"></a><span class="lineno"> 923</span> </div><div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1b">MPSolverResponseStatus</a> LoadModelFromProtoInternal(</div><div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_model_proto.html">MPModelProto</a>& input_model, <span class="keywordtype">bool</span> clear_names,</div><div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="keywordtype">bool</span> check_model_validity, std::string* error_message);</div><div class="line"><a name="l00927"></a><span class="lineno"> 927</span> </div><div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>);</div><div class="line"><a name="l00929"></a><span class="lineno"> 929</span> };</div><div class="line"><a name="l00930"></a><span class="lineno"> 930</span> </div><div class="line"><a name="l00931"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a417ee4c2129def5589f952ac70233b2e"> 931</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#a653e11eef608bfb88f21325e7fa12f2b">SolverTypeIsMip</a>(<a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">MPSolver::OptimizationProblemType</a> solver_type) {</div><div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research.html#a653e11eef608bfb88f21325e7fa12f2b">SolverTypeIsMip</a>(static_cast<MPModelRequest::SolverType>(solver_type));</div><div class="line"><a name="l00933"></a><span class="lineno"> 933</span> }</div><div class="line"><a name="l00934"></a><span class="lineno"> 934</span> </div><div class="line"><a name="l00935"></a><span class="lineno"> 935</span> <span class="keyword">const</span> absl::string_view <a class="code" href="namespaceoperations__research.html#afc3e3b80841b587c6fbfd9e9f3ec9c59">ToString</a>(</div><div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">MPSolver::OptimizationProblemType</a> optimization_problem_type);</div><div class="line"><a name="l00937"></a><span class="lineno"> 937</span> </div><div class="line"><a name="l00938"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a2610f938f233d0adcd3142693f4a2683"> 938</a></span> <span class="keyword">inline</span> std::ostream& <a class="code" href="namespaceoperations__research.html#ad3390eca60a1042a3d81452cea3863aa">operator<<</a>(</div><div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  std::ostream& os,</div><div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">MPSolver::OptimizationProblemType</a> optimization_problem_type) {</div><div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="keywordflow">return</span> os << <a class="code" href="namespaceoperations__research.html#afc3e3b80841b587c6fbfd9e9f3ec9c59">ToString</a>(optimization_problem_type);</div><div class="line"><a name="l00942"></a><span class="lineno"> 942</span> }</div><div class="line"><a name="l00943"></a><span class="lineno"> 943</span> </div><div class="line"><a name="l00944"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a6e3ed7b755e2b756ef48c9b3bad4a780"> 944</a></span> <span class="keyword">inline</span> std::ostream& <a class="code" href="namespaceoperations__research.html#ad3390eca60a1042a3d81452cea3863aa">operator<<</a>(std::ostream& os,</div><div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> status) {</div><div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="keywordflow">return</span> os << ProtoEnumToString<MPSolverResponseStatus>(</div><div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  static_cast<MPSolverResponseStatus>(status));</div><div class="line"><a name="l00948"></a><span class="lineno"> 948</span> }</div><div class="line"><a name="l00949"></a><span class="lineno"> 949</span> </div><div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#a61dc18a85425d0a7cf6aa3e7ce3199f6">AbslParseFlag</a>(absl::string_view text,</div><div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">MPSolver::OptimizationProblemType</a>* solver_type,</div><div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  std::string* error);</div><div class="line"><a name="l00953"></a><span class="lineno"> 953</span> </div><div class="line"><a name="l00954"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#af04d1dfc591c35038a974202e50e541f"> 954</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespaceoperations__research.html#af04d1dfc591c35038a974202e50e541f">AbslUnparseFlag</a>(</div><div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">MPSolver::OptimizationProblemType</a> solver_type) {</div><div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="keywordflow">return</span> std::string(<a class="code" href="namespaceoperations__research.html#afc3e3b80841b587c6fbfd9e9f3ec9c59">ToString</a>(solver_type));</div><div class="line"><a name="l00957"></a><span class="lineno"> 957</span> }</div><div class="line"><a name="l00958"></a><span class="lineno"> 958</span> </div><div class="line"><a name="l00960"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html"> 960</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html">MPObjective</a> {</div><div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#aa71d36872f416feaa853788a7a7a7ef8">Clear</a>();</div><div class="line"><a name="l00967"></a><span class="lineno"> 967</span> </div><div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a2def997791a2a5119c3502aa68c34181">SetCoefficient</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> var, <span class="keywordtype">double</span> coeff);</div><div class="line"><a name="l00975"></a><span class="lineno"> 975</span> </div><div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a356d08f701ec7c64a00c19818bb72886">GetCoefficient</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> var) <span class="keyword">const</span>;</div><div class="line"><a name="l00982"></a><span class="lineno"> 982</span> </div><div class="line"><a name="l00988"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#a665001590f89bb9446d0030e2ef8047b"> 988</a></span>  <span class="keyword">const</span> absl::flat_hash_map<const MPVariable*, double>& <a class="code" href="classoperations__research_1_1_m_p_objective.html#a665001590f89bb9446d0030e2ef8047b">terms</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  <span class="keywordflow">return</span> coefficients_;</div><div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  }</div><div class="line"><a name="l00991"></a><span class="lineno"> 991</span> </div><div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a3d269786b0c64ba034e7e8a8a09213fc">SetOffset</a>(<span class="keywordtype">double</span> value);</div><div class="line"><a name="l00994"></a><span class="lineno"> 994</span> </div><div class="line"><a name="l00996"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3"> 996</a></span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> offset_; }</div><div class="line"><a name="l00997"></a><span class="lineno"> 997</span> </div><div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a3eee00e1029a4006afbd791f78d91657">OptimizeLinearExpr</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_linear_expr.html">LinearExpr</a>& linear_expr, <span class="keywordtype">bool</span> is_maximization);</div><div class="line"><a name="l01003"></a><span class="lineno"> 1003</span> </div><div class="line"><a name="l01005"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#ac195da617c5cdd546ab7ecc67a2e7235"> 1005</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#ac195da617c5cdd546ab7ecc67a2e7235">MaximizeLinearExpr</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_linear_expr.html">LinearExpr</a>& linear_expr) {</div><div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <a class="code" href="classoperations__research_1_1_m_p_objective.html#a3eee00e1029a4006afbd791f78d91657">OptimizeLinearExpr</a>(linear_expr, <span class="keyword">true</span>);</div><div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  }</div><div class="line"><a name="l01009"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#a68da85394a0aa65bda40355466afba93"> 1009</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a68da85394a0aa65bda40355466afba93">MinimizeLinearExpr</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_linear_expr.html">LinearExpr</a>& linear_expr) {</div><div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <a class="code" href="classoperations__research_1_1_m_p_objective.html#a3eee00e1029a4006afbd791f78d91657">OptimizeLinearExpr</a>(linear_expr, <span class="keyword">false</span>);</div><div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  }</div><div class="line"><a name="l01012"></a><span class="lineno"> 1012</span> </div><div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a615d9bd9c0c88aa56d31fdf95fbb5749">AddLinearExpr</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_linear_expr.html">LinearExpr</a>& linear_expr);</div><div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> </div><div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#addbc1b5c5e43ec84e2ffc8ec3ab9d830">SetOptimizationDirection</a>(<span class="keywordtype">bool</span> maximize);</div><div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> </div><div class="line"><a name="l01020"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#ac187b2ba08422f3a06b8d1e1502ceea6"> 1020</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#ac187b2ba08422f3a06b8d1e1502ceea6">SetMinimization</a>() { <a class="code" href="classoperations__research_1_1_m_p_objective.html#addbc1b5c5e43ec84e2ffc8ec3ab9d830">SetOptimizationDirection</a>(<span class="keyword">false</span>); }</div><div class="line"><a name="l01021"></a><span class="lineno"> 1021</span> </div><div class="line"><a name="l01023"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#a0ae674872034b9d61b389da66cb9503a"> 1023</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a0ae674872034b9d61b389da66cb9503a">SetMaximization</a>() { <a class="code" href="classoperations__research_1_1_m_p_objective.html#addbc1b5c5e43ec84e2ffc8ec3ab9d830">SetOptimizationDirection</a>(<span class="keyword">true</span>); }</div><div class="line"><a name="l01024"></a><span class="lineno"> 1024</span> </div><div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a3df780d69d67985929c76e750f913e21">maximization</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01027"></a><span class="lineno"> 1027</span> </div><div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#aa3d71b1d66352ee439fdcdf8f3b93067">minimization</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> </div><div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a8554e97d98d05016f16300cedf2be9f6">Value</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01043"></a><span class="lineno"> 1043</span> </div><div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html#a9ec8e5b1017d35c4ce048c67330b0a10">BestBound</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01051"></a><span class="lineno"> 1051</span> </div><div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l01053"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#ac2c01b4de8f7670e37daa7d42b804dd4"> 1053</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>;</div><div class="line"><a name="l01054"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#ac0aea0786e75adbb2d24c41c15e7456c"> 1054</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>;</div><div class="line"><a name="l01055"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#af5a7cf0c655f37c0b388a2ddcf32ac3e"> 1055</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#af5a7cf0c655f37c0b388a2ddcf32ac3e">CBCInterface</a>;</div><div class="line"><a name="l01056"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#a60944ecdcad88cfb4d4d32feea70c9b5"> 1056</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#a60944ecdcad88cfb4d4d32feea70c9b5">CLPInterface</a>;</div><div class="line"><a name="l01057"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#ae1a3e0a695903c8e6effd524a7f92784"> 1057</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#ae1a3e0a695903c8e6effd524a7f92784">GLPKInterface</a>;</div><div class="line"><a name="l01058"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#a236f9752f4df4c5134617330a040ec8a"> 1058</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#a236f9752f4df4c5134617330a040ec8a">SCIPInterface</a>;</div><div class="line"><a name="l01059"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#a5c083b37243075a00bf909840dc7c933"> 1059</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#a5c083b37243075a00bf909840dc7c933">SLMInterface</a>;</div><div class="line"><a name="l01060"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#ac28a56eeedb62d070578a9231f1875ea"> 1060</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#ac28a56eeedb62d070578a9231f1875ea">GurobiInterface</a>;</div><div class="line"><a name="l01061"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#ae7cbd08108e1636184f28c1a71c42393"> 1061</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#ae7cbd08108e1636184f28c1a71c42393">CplexInterface</a>;</div><div class="line"><a name="l01062"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#abc935c6e0cb353e2c61d38ad8af1ed5c"> 1062</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#abc935c6e0cb353e2c61d38ad8af1ed5c">XpressInterface</a>;</div><div class="line"><a name="l01063"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#a6c754b527a347994b06eeb49a09ac222"> 1063</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#a6c754b527a347994b06eeb49a09ac222">GLOPInterface</a>;</div><div class="line"><a name="l01064"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#a7383308e6b9b63b18196798db342ce8a"> 1064</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#a7383308e6b9b63b18196798db342ce8a">BopInterface</a>;</div><div class="line"><a name="l01065"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#acbd4413b1370baca9c45aecb0cb8ebd2"> 1065</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#acbd4413b1370baca9c45aecb0cb8ebd2">SatInterface</a>;</div><div class="line"><a name="l01066"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_objective.html#aee1ddf25e86286c16face31551751bda"> 1066</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html#aee1ddf25e86286c16face31551751bda">KnapsackInterface</a>;</div><div class="line"><a name="l01067"></a><span class="lineno"> 1067</span> </div><div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  <span class="comment">// Constructor. An objective points to a single MPSolverInterface</span></div><div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  <span class="comment">// that is specified in the constructor. An objective cannot belong</span></div><div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  <span class="comment">// to several models.</span></div><div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  <span class="comment">// At construction, an MPObjective has no terms (which is equivalent</span></div><div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="comment">// on having a coefficient of 0 for all variables), and an offset of 0.</span></div><div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="keyword">explicit</span> <a class="code" href="classoperations__research_1_1_m_p_objective.html">MPObjective</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>* <span class="keyword">const</span> interface_in)</div><div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  : interface_(interface_in), coefficients_(1), offset_(0.0) {}</div><div class="line"><a name="l01075"></a><span class="lineno"> 1075</span> </div><div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>* <span class="keyword">const</span> interface_;</div><div class="line"><a name="l01077"></a><span class="lineno"> 1077</span> </div><div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  <span class="comment">// Mapping var -> coefficient.</span></div><div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  absl::flat_hash_map<const MPVariable*, double> coefficients_;</div><div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  <span class="comment">// Constant term.</span></div><div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <span class="keywordtype">double</span> offset_;</div><div class="line"><a name="l01082"></a><span class="lineno"> 1082</span> </div><div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="classoperations__research_1_1_m_p_objective.html">MPObjective</a>);</div><div class="line"><a name="l01084"></a><span class="lineno"> 1084</span> };</div><div class="line"><a name="l01085"></a><span class="lineno"> 1085</span> </div><div class="line"><a name="l01087"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html"> 1087</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a> {</div><div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l01090"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#ad8227ba86a01f26e4f173cd5e219d5d1"> 1090</a></span>  <span class="keyword">const</span> std::string& <a class="code" href="classoperations__research_1_1_m_p_variable.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> name_; }</div><div class="line"><a name="l01091"></a><span class="lineno"> 1091</span> </div><div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a94743823a7ad3c565902fcf7956d4ae2">SetInteger</a>(<span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#abc6bcaac179c603ad3386fa7449c86a7">integer</a>);</div><div class="line"><a name="l01094"></a><span class="lineno"> 1094</span> </div><div class="line"><a name="l01096"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#abc6bcaac179c603ad3386fa7449c86a7"> 1096</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#abc6bcaac179c603ad3386fa7449c86a7">integer</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> integer_; }</div><div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> </div><div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#adf1a0cc6a3736f3db9880392efe02f0e">solution_value</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01106"></a><span class="lineno"> 1106</span> </div><div class="line"><a name="l01108"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93"> 1108</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> index_; }</div><div class="line"><a name="l01109"></a><span class="lineno"> 1109</span> </div><div class="line"><a name="l01111"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#accc4f1882f13ad57ef6bbe8fbe5d365d"> 1111</a></span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> lb_; }</div><div class="line"><a name="l01112"></a><span class="lineno"> 1112</span> </div><div class="line"><a name="l01114"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a570e7e2c973cc96bedb0db08f5e062e3"> 1114</a></span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> ub_; }</div><div class="line"><a name="l01115"></a><span class="lineno"> 1115</span> </div><div class="line"><a name="l01117"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#ad90797a6c268fa29b515bdb5972c7bfb"> 1117</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#ad90797a6c268fa29b515bdb5972c7bfb">SetLB</a>(<span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>) { <a class="code" href="classoperations__research_1_1_m_p_variable.html#a02bfb5cd5deeb2d5149f6976ee0456d6">SetBounds</a>(<a class="code" href="classoperations__research_1_1_m_p_variable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>, ub_); }</div><div class="line"><a name="l01118"></a><span class="lineno"> 1118</span> </div><div class="line"><a name="l01120"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a4584733ca3a135bb0e29e7b29988901d"> 1120</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a4584733ca3a135bb0e29e7b29988901d">SetUB</a>(<span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>) { <a class="code" href="classoperations__research_1_1_m_p_variable.html#a02bfb5cd5deeb2d5149f6976ee0456d6">SetBounds</a>(lb_, <a class="code" href="classoperations__research_1_1_m_p_variable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>); }</div><div class="line"><a name="l01121"></a><span class="lineno"> 1121</span> </div><div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a02bfb5cd5deeb2d5149f6976ee0456d6">SetBounds</a>(<span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>, <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>);</div><div class="line"><a name="l01124"></a><span class="lineno"> 1124</span> </div><div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a087c614accae43de9e770a7731d09892">unrounded_solution_value</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01132"></a><span class="lineno"> 1132</span> </div><div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a7a302239fbb1f938a513636a6c7a3e2d">reduced_cost</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01138"></a><span class="lineno"> 1138</span> </div><div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code" href="classoperations__research_1_1_m_p_variable.html#aecd5fee61b6013b1207c2ea622c849b5">basis_status</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01146"></a><span class="lineno"> 1146</span> </div><div class="line"><a name="l01157"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a2bf24627eb5f1b609cd2704bddc3750d"> 1157</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a2bf24627eb5f1b609cd2704bddc3750d">branching_priority</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> branching_priority_; }</div><div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a3c4f59b6127589d61780ecaa2acdab76">SetBranchingPriority</a>(<span class="keywordtype">int</span> priority);</div><div class="line"><a name="l01159"></a><span class="lineno"> 1159</span> </div><div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l01161"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#ac2c01b4de8f7670e37daa7d42b804dd4"> 1161</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>;</div><div class="line"><a name="l01162"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#ac0aea0786e75adbb2d24c41c15e7456c"> 1162</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>;</div><div class="line"><a name="l01163"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#af5a7cf0c655f37c0b388a2ddcf32ac3e"> 1163</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#af5a7cf0c655f37c0b388a2ddcf32ac3e">CBCInterface</a>;</div><div class="line"><a name="l01164"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a60944ecdcad88cfb4d4d32feea70c9b5"> 1164</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#a60944ecdcad88cfb4d4d32feea70c9b5">CLPInterface</a>;</div><div class="line"><a name="l01165"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#ae1a3e0a695903c8e6effd524a7f92784"> 1165</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#ae1a3e0a695903c8e6effd524a7f92784">GLPKInterface</a>;</div><div class="line"><a name="l01166"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a236f9752f4df4c5134617330a040ec8a"> 1166</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#a236f9752f4df4c5134617330a040ec8a">SCIPInterface</a>;</div><div class="line"><a name="l01167"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a5c083b37243075a00bf909840dc7c933"> 1167</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#a5c083b37243075a00bf909840dc7c933">SLMInterface</a>;</div><div class="line"><a name="l01168"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#ac28a56eeedb62d070578a9231f1875ea"> 1168</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#ac28a56eeedb62d070578a9231f1875ea">GurobiInterface</a>;</div><div class="line"><a name="l01169"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#ae7cbd08108e1636184f28c1a71c42393"> 1169</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#ae7cbd08108e1636184f28c1a71c42393">CplexInterface</a>;</div><div class="line"><a name="l01170"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#abc935c6e0cb353e2c61d38ad8af1ed5c"> 1170</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#abc935c6e0cb353e2c61d38ad8af1ed5c">XpressInterface</a>;</div><div class="line"><a name="l01171"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a6c754b527a347994b06eeb49a09ac222"> 1171</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#a6c754b527a347994b06eeb49a09ac222">GLOPInterface</a>;</div><div class="line"><a name="l01172"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a8844020cc1376123531cd53c831acdef"> 1172</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#a8844020cc1376123531cd53c831acdef">MPVariableSolutionValueTest</a>;</div><div class="line"><a name="l01173"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a7383308e6b9b63b18196798db342ce8a"> 1173</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#a7383308e6b9b63b18196798db342ce8a">BopInterface</a>;</div><div class="line"><a name="l01174"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#acbd4413b1370baca9c45aecb0cb8ebd2"> 1174</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#acbd4413b1370baca9c45aecb0cb8ebd2">SatInterface</a>;</div><div class="line"><a name="l01175"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#aee1ddf25e86286c16face31551751bda"> 1175</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_variable.html#aee1ddf25e86286c16face31551751bda">KnapsackInterface</a>;</div><div class="line"><a name="l01176"></a><span class="lineno"> 1176</span> </div><div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  <span class="comment">// Constructor. A variable points to a single MPSolverInterface that</span></div><div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  <span class="comment">// is specified in the constructor. A variable cannot belong to</span></div><div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  <span class="comment">// several models.</span></div><div class="line"><a name="l01180"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a9d8831eb4c3951cb8f39aa9deb7568bd"> 1180</a></span>  <a class="code" href="classoperations__research_1_1_m_p_variable.html#a9d8831eb4c3951cb8f39aa9deb7568bd">MPVariable</a>(<span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>, <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>, <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>, <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#abc6bcaac179c603ad3386fa7449c86a7">integer</a>,</div><div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  <span class="keyword">const</span> std::string& <a class="code" href="classoperations__research_1_1_m_p_variable.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>, <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>* <span class="keyword">const</span> interface_in)</div><div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  : index_(<a class="code" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>),</div><div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  lb_(<a class="code" href="classoperations__research_1_1_m_p_variable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>),</div><div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  ub_(<a class="code" href="classoperations__research_1_1_m_p_variable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>),</div><div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  integer_(<a class="code" href="classoperations__research_1_1_m_p_variable.html#abc6bcaac179c603ad3386fa7449c86a7">integer</a>),</div><div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  name_(<a class="code" href="classoperations__research_1_1_m_p_variable.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>.empty() ? absl::StrFormat(<span class="stringliteral">"auto_v_%09d"</span>, <a class="code" href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">index</a>) : <a class="code" href="classoperations__research_1_1_m_p_variable.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>),</div><div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  solution_value_(0.0),</div><div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  reduced_cost_(0.0),</div><div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  interface_(interface_in) {}</div><div class="line"><a name="l01190"></a><span class="lineno"> 1190</span> </div><div class="line"><a name="l01191"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#a3977d5bfced39e6ccd075056317bbb3a"> 1191</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a3977d5bfced39e6ccd075056317bbb3a">set_solution_value</a>(<span class="keywordtype">double</span> value) { solution_value_ = value; }</div><div class="line"><a name="l01192"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_variable.html#ab88dd6ee21935e6f7ce99012f9c467a4"> 1192</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#ab88dd6ee21935e6f7ce99012f9c467a4">set_reduced_cost</a>(<span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html#a7a302239fbb1f938a513636a6c7a3e2d">reduced_cost</a>) { reduced_cost_ = <a class="code" href="classoperations__research_1_1_m_p_variable.html#a7a302239fbb1f938a513636a6c7a3e2d">reduced_cost</a>; }</div><div class="line"><a name="l01193"></a><span class="lineno"> 1193</span> </div><div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> index_;</div><div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  <span class="keywordtype">double</span> lb_;</div><div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  <span class="keywordtype">double</span> ub_;</div><div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  <span class="keywordtype">bool</span> integer_;</div><div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  <span class="keyword">const</span> std::string name_;</div><div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  <span class="keywordtype">double</span> solution_value_;</div><div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  <span class="keywordtype">double</span> reduced_cost_;</div><div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="keywordtype">int</span> branching_priority_ = 0;</div><div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>* <span class="keyword">const</span> interface_;</div><div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>);</div><div class="line"><a name="l01205"></a><span class="lineno"> 1205</span> };</div><div class="line"><a name="l01206"></a><span class="lineno"> 1206</span> </div><div class="line"><a name="l01212"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html"> 1212</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a> {</div><div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l01215"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ad8227ba86a01f26e4f173cd5e219d5d1"> 1215</a></span>  <span class="keyword">const</span> std::string& <a class="code" href="classoperations__research_1_1_m_p_constraint.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> name_; }</div><div class="line"><a name="l01216"></a><span class="lineno"> 1216</span> </div><div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#aa71d36872f416feaa853788a7a7a7ef8">Clear</a>();</div><div class="line"><a name="l01219"></a><span class="lineno"> 1219</span> </div><div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a2def997791a2a5119c3502aa68c34181">SetCoefficient</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> var, <span class="keywordtype">double</span> coeff);</div><div class="line"><a name="l01227"></a><span class="lineno"> 1227</span> </div><div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a356d08f701ec7c64a00c19818bb72886">GetCoefficient</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> var) <span class="keyword">const</span>;</div><div class="line"><a name="l01233"></a><span class="lineno"> 1233</span> </div><div class="line"><a name="l01239"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a665001590f89bb9446d0030e2ef8047b"> 1239</a></span>  <span class="keyword">const</span> absl::flat_hash_map<const MPVariable*, double>& <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a665001590f89bb9446d0030e2ef8047b">terms</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  <span class="keywordflow">return</span> coefficients_;</div><div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  }</div><div class="line"><a name="l01242"></a><span class="lineno"> 1242</span> </div><div class="line"><a name="l01244"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#accc4f1882f13ad57ef6bbe8fbe5d365d"> 1244</a></span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> lb_; }</div><div class="line"><a name="l01245"></a><span class="lineno"> 1245</span> </div><div class="line"><a name="l01247"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a570e7e2c973cc96bedb0db08f5e062e3"> 1247</a></span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> ub_; }</div><div class="line"><a name="l01248"></a><span class="lineno"> 1248</span> </div><div class="line"><a name="l01250"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ad90797a6c268fa29b515bdb5972c7bfb"> 1250</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#ad90797a6c268fa29b515bdb5972c7bfb">SetLB</a>(<span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>) { <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a02bfb5cd5deeb2d5149f6976ee0456d6">SetBounds</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>, ub_); }</div><div class="line"><a name="l01251"></a><span class="lineno"> 1251</span> </div><div class="line"><a name="l01253"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a4584733ca3a135bb0e29e7b29988901d"> 1253</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a4584733ca3a135bb0e29e7b29988901d">SetUB</a>(<span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>) { <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a02bfb5cd5deeb2d5149f6976ee0456d6">SetBounds</a>(lb_, <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>); }</div><div class="line"><a name="l01254"></a><span class="lineno"> 1254</span> </div><div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a02bfb5cd5deeb2d5149f6976ee0456d6">SetBounds</a>(<span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>, <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>);</div><div class="line"><a name="l01257"></a><span class="lineno"> 1257</span> </div><div class="line"><a name="l01259"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ab0c809243bacbba99e083bddd16ebcaa"> 1259</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#ab0c809243bacbba99e083bddd16ebcaa">is_lazy</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> is_lazy_; }</div><div class="line"><a name="l01260"></a><span class="lineno"> 1260</span> </div><div class="line"><a name="l01274"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ac7502afa7413b2969adcfe572accefde"> 1274</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#ac7502afa7413b2969adcfe572accefde">set_is_lazy</a>(<span class="keywordtype">bool</span> laziness) { is_lazy_ = laziness; }</div><div class="line"><a name="l01275"></a><span class="lineno"> 1275</span> </div><div class="line"><a name="l01276"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a5afd87c4abc02aea7fedd93f12a16b60"> 1276</a></span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a5afd87c4abc02aea7fedd93f12a16b60">indicator_variable</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> indicator_variable_; }</div><div class="line"><a name="l01277"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a87e458487b8f14804b579be6228ea78f"> 1277</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a87e458487b8f14804b579be6228ea78f">indicator_value</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> indicator_value_; }</div><div class="line"><a name="l01278"></a><span class="lineno"> 1278</span> </div><div class="line"><a name="l01280"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93"> 1280</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> index_; }</div><div class="line"><a name="l01281"></a><span class="lineno"> 1281</span> </div><div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#aeec48f5c4d2d1cc79926734f9b586ad5">dual_value</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01287"></a><span class="lineno"> 1287</span> </div><div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#aecd5fee61b6013b1207c2ea622c849b5">basis_status</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01301"></a><span class="lineno"> 1301</span> </div><div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l01303"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ac2c01b4de8f7670e37daa7d42b804dd4"> 1303</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>;</div><div class="line"><a name="l01304"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ac0aea0786e75adbb2d24c41c15e7456c"> 1304</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>;</div><div class="line"><a name="l01305"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#af5a7cf0c655f37c0b388a2ddcf32ac3e"> 1305</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#af5a7cf0c655f37c0b388a2ddcf32ac3e">CBCInterface</a>;</div><div class="line"><a name="l01306"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a60944ecdcad88cfb4d4d32feea70c9b5"> 1306</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#a60944ecdcad88cfb4d4d32feea70c9b5">CLPInterface</a>;</div><div class="line"><a name="l01307"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ae1a3e0a695903c8e6effd524a7f92784"> 1307</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#ae1a3e0a695903c8e6effd524a7f92784">GLPKInterface</a>;</div><div class="line"><a name="l01308"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a236f9752f4df4c5134617330a040ec8a"> 1308</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#a236f9752f4df4c5134617330a040ec8a">SCIPInterface</a>;</div><div class="line"><a name="l01309"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a5c083b37243075a00bf909840dc7c933"> 1309</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#a5c083b37243075a00bf909840dc7c933">SLMInterface</a>;</div><div class="line"><a name="l01310"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ac28a56eeedb62d070578a9231f1875ea"> 1310</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#ac28a56eeedb62d070578a9231f1875ea">GurobiInterface</a>;</div><div class="line"><a name="l01311"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ae7cbd08108e1636184f28c1a71c42393"> 1311</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#ae7cbd08108e1636184f28c1a71c42393">CplexInterface</a>;</div><div class="line"><a name="l01312"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#abc935c6e0cb353e2c61d38ad8af1ed5c"> 1312</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#abc935c6e0cb353e2c61d38ad8af1ed5c">XpressInterface</a>;</div><div class="line"><a name="l01313"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a6c754b527a347994b06eeb49a09ac222"> 1313</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#a6c754b527a347994b06eeb49a09ac222">GLOPInterface</a>;</div><div class="line"><a name="l01314"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a7383308e6b9b63b18196798db342ce8a"> 1314</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#a7383308e6b9b63b18196798db342ce8a">BopInterface</a>;</div><div class="line"><a name="l01315"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#acbd4413b1370baca9c45aecb0cb8ebd2"> 1315</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#acbd4413b1370baca9c45aecb0cb8ebd2">SatInterface</a>;</div><div class="line"><a name="l01316"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#aee1ddf25e86286c16face31551751bda"> 1316</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html#aee1ddf25e86286c16face31551751bda">KnapsackInterface</a>;</div><div class="line"><a name="l01317"></a><span class="lineno"> 1317</span> </div><div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  <span class="comment">// Constructor. A constraint points to a single MPSolverInterface</span></div><div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  <span class="comment">// that is specified in the constructor. A constraint cannot belong</span></div><div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  <span class="comment">// to several models.</span></div><div class="line"><a name="l01321"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#a69c93714d214fac7e1ae59646525aecb"> 1321</a></span>  <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a69c93714d214fac7e1ae59646525aecb">MPConstraint</a>(<span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>, <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>, <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>, <span class="keyword">const</span> std::string& <a class="code" href="classoperations__research_1_1_m_p_constraint.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>,</div><div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>* <span class="keyword">const</span> interface_in)</div><div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  : coefficients_(1),</div><div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  index_(<a class="code" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>),</div><div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  lb_(<a class="code" href="classoperations__research_1_1_m_p_constraint.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>),</div><div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  ub_(<a class="code" href="classoperations__research_1_1_m_p_constraint.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>),</div><div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  name_(<a class="code" href="classoperations__research_1_1_m_p_constraint.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>.empty() ? absl::StrFormat(<span class="stringliteral">"auto_c_%09d"</span>, <a class="code" href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">index</a>) : <a class="code" href="classoperations__research_1_1_m_p_constraint.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>),</div><div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  is_lazy_(false),</div><div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  indicator_variable_(nullptr),</div><div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  dual_value_(0.0),</div><div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  interface_(interface_in) {}</div><div class="line"><a name="l01332"></a><span class="lineno"> 1332</span> </div><div class="line"><a name="l01333"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_constraint.html#ad042c8697c2a8b1467135984182318b6"> 1333</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#ad042c8697c2a8b1467135984182318b6">set_dual_value</a>(<span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_constraint.html#aeec48f5c4d2d1cc79926734f9b586ad5">dual_value</a>) { dual_value_ = <a class="code" href="classoperations__research_1_1_m_p_constraint.html#aeec48f5c4d2d1cc79926734f9b586ad5">dual_value</a>; }</div><div class="line"><a name="l01334"></a><span class="lineno"> 1334</span> </div><div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  <span class="comment">// Returns true if the constraint contains variables that have not</span></div><div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  <span class="comment">// been extracted yet.</span></div><div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <span class="keywordtype">bool</span> ContainsNewVariables();</div><div class="line"><a name="l01339"></a><span class="lineno"> 1339</span> </div><div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  <span class="comment">// Mapping var -> coefficient.</span></div><div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  absl::flat_hash_map<const MPVariable*, double> coefficients_;</div><div class="line"><a name="l01342"></a><span class="lineno"> 1342</span> </div><div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> index_; <span class="comment">// See index().</span></div><div class="line"><a name="l01344"></a><span class="lineno"> 1344</span> </div><div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  <span class="comment">// The lower bound for the linear constraint.</span></div><div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  <span class="keywordtype">double</span> lb_;</div><div class="line"><a name="l01347"></a><span class="lineno"> 1347</span> </div><div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <span class="comment">// The upper bound for the linear constraint.</span></div><div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  <span class="keywordtype">double</span> ub_;</div><div class="line"><a name="l01350"></a><span class="lineno"> 1350</span> </div><div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  <span class="comment">// Name.</span></div><div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <span class="keyword">const</span> std::string name_;</div><div class="line"><a name="l01353"></a><span class="lineno"> 1353</span> </div><div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  <span class="comment">// True if the constraint is "lazy", i.e. the constraint is added to the</span></div><div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  <span class="comment">// underlying Linear Programming solver only if it is violated.</span></div><div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  <span class="comment">// By default this parameter is 'false'.</span></div><div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  <span class="keywordtype">bool</span> is_lazy_;</div><div class="line"><a name="l01358"></a><span class="lineno"> 1358</span> </div><div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="comment">// If given, this constraint is only active if `indicator_variable_`'s value</span></div><div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  <span class="comment">// is equal to `indicator_value_`.</span></div><div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* indicator_variable_;</div><div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  <span class="keywordtype">bool</span> indicator_value_;</div><div class="line"><a name="l01363"></a><span class="lineno"> 1363</span> </div><div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  <span class="keywordtype">double</span> dual_value_;</div><div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>* <span class="keyword">const</span> interface_;</div><div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>);</div><div class="line"><a name="l01367"></a><span class="lineno"> 1367</span> };</div><div class="line"><a name="l01368"></a><span class="lineno"> 1368</span> </div><div class="line"><a name="l01395"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html"> 1395</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a> {</div><div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l01398"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932"> 1398</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932">DoubleParam</a> {</div><div class="line"><a name="l01400"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932af5546ac8a26f50d8798bf634598a7eba"> 1400</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932af5546ac8a26f50d8798bf634598a7eba">RELATIVE_MIP_GAP</a> = 0,</div><div class="line"><a name="l01401"></a><span class="lineno"> 1401</span> </div><div class="line"><a name="l01408"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a8c7c9aed0dcd36fc9a9af2fab295caf3"> 1408</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a8c7c9aed0dcd36fc9a9af2fab295caf3">PRIMAL_TOLERANCE</a> = 1,</div><div class="line"><a name="l01410"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a184546f243ecb7d9be48659f8be82992"> 1410</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a184546f243ecb7d9be48659f8be82992">DUAL_TOLERANCE</a> = 2</div><div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  };</div><div class="line"><a name="l01412"></a><span class="lineno"> 1412</span> </div><div class="line"><a name="l01414"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784"> 1414</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">IntegerParam</a> {</div><div class="line"><a name="l01416"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403"> 1416</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403">PRESOLVE</a> = 1000,</div><div class="line"><a name="l01418"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b"> 1418</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b">LP_ALGORITHM</a> = 1001,</div><div class="line"><a name="l01420"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff"> 1420</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff">INCREMENTALITY</a> = 1002,</div><div class="line"><a name="l01422"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0"> 1422</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0">SCALING</a> = 1003</div><div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  };</div><div class="line"><a name="l01424"></a><span class="lineno"> 1424</span> </div><div class="line"><a name="l01426"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8"> 1426</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8">PresolveValues</a> {</div><div class="line"><a name="l01428"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a"> 1428</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a">PRESOLVE_OFF</a> = 0,</div><div class="line"><a name="l01430"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a"> 1430</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a">PRESOLVE_ON</a> = 1</div><div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  };</div><div class="line"><a name="l01432"></a><span class="lineno"> 1432</span> </div><div class="line"><a name="l01434"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541f"> 1434</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541f">LpAlgorithmValues</a> {</div><div class="line"><a name="l01436"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b"> 1436</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b">DUAL</a> = 10,</div><div class="line"><a name="l01438"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee"> 1438</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee">PRIMAL</a> = 11,</div><div class="line"><a name="l01440"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493"> 1440</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493">BARRIER</a> = 12</div><div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  };</div><div class="line"><a name="l01442"></a><span class="lineno"> 1442</span> </div><div class="line"><a name="l01444"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cb"> 1444</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cb">IncrementalityValues</a> {</div><div class="line"><a name="l01446"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb"> 1446</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb">INCREMENTALITY_OFF</a> = 0,</div><div class="line"><a name="l01447"></a><span class="lineno"> 1447</span> </div><div class="line"><a name="l01452"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba34d17de87fc7339e07256ca5319dfa67"> 1452</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba34d17de87fc7339e07256ca5319dfa67">INCREMENTALITY_ON</a> = 1</div><div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  };</div><div class="line"><a name="l01454"></a><span class="lineno"> 1454</span> </div><div class="line"><a name="l01456"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a25a1112e410b183f49ef4ce8da1bdc74"> 1456</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a25a1112e410b183f49ef4ce8da1bdc74">ScalingValues</a> {</div><div class="line"><a name="l01458"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a25a1112e410b183f49ef4ce8da1bdc74ab3f9de74d2d20c2eebcec60b7273d485"> 1458</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a25a1112e410b183f49ef4ce8da1bdc74ab3f9de74d2d20c2eebcec60b7273d485">SCALING_OFF</a> = 0,</div><div class="line"><a name="l01460"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a25a1112e410b183f49ef4ce8da1bdc74a62fd26c37f80b6aabec3b463c55a1c85"> 1460</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a25a1112e410b183f49ef4ce8da1bdc74a62fd26c37f80b6aabec3b463c55a1c85">SCALING_ON</a> = 1</div><div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  };</div><div class="line"><a name="l01462"></a><span class="lineno"> 1462</span> </div><div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  <span class="comment">// Placeholder value to indicate that a parameter is set to</span></div><div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>  <span class="comment">// the default value defined in the wrapper.</span></div><div class="line"><a name="l01465"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#ae80ed8b6fcbcb848b18d657d62c26522"> 1465</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ae80ed8b6fcbcb848b18d657d62c26522">kDefaultDoubleParamValue</a>;</div><div class="line"><a name="l01466"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#ad7c866ce738bfb6ac5fcee91fed998ed"> 1466</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ad7c866ce738bfb6ac5fcee91fed998ed">kDefaultIntegerParamValue</a>;</div><div class="line"><a name="l01467"></a><span class="lineno"> 1467</span> </div><div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  <span class="comment">// Placeholder value to indicate that a parameter is unknown.</span></div><div class="line"><a name="l01469"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a6e06b5be8dccaff140e14a5f71fa64df"> 1469</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a6e06b5be8dccaff140e14a5f71fa64df">kUnknownDoubleParamValue</a>;</div><div class="line"><a name="l01470"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a0623b9007b18f0e4bb078fb6eb4dadaa"> 1470</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a0623b9007b18f0e4bb078fb6eb4dadaa">kUnknownIntegerParamValue</a>;</div><div class="line"><a name="l01471"></a><span class="lineno"> 1471</span> </div><div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>  <span class="comment">// Default values for parameters. Only parameters that define the</span></div><div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  <span class="comment">// properties of the solution returned need to have a default value</span></div><div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  <span class="comment">// (that is the same for all solvers). You can also define a default</span></div><div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>  <span class="comment">// value for performance parameters when you are confident it is a</span></div><div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  <span class="comment">// good choice (example: always turn presolve on).</span></div><div class="line"><a name="l01477"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a016e9dcdc549105df6e8ceb5b1933ae5"> 1477</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a016e9dcdc549105df6e8ceb5b1933ae5">kDefaultRelativeMipGap</a>;</div><div class="line"><a name="l01478"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#ad8ba7aa861c60e1fcd1b8b0eadcbdb7f"> 1478</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ad8ba7aa861c60e1fcd1b8b0eadcbdb7f">kDefaultPrimalTolerance</a>;</div><div class="line"><a name="l01479"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a6a912e59104bf30bee9f5e3f35bc0281"> 1479</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a6a912e59104bf30bee9f5e3f35bc0281">kDefaultDualTolerance</a>;</div><div class="line"><a name="l01480"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#aee91736e22b89c4f377a124837bb0be4"> 1480</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8">PresolveValues</a> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#aee91736e22b89c4f377a124837bb0be4">kDefaultPresolve</a>;</div><div class="line"><a name="l01481"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_parameters.html#a509fcd50ceab50e3fd3a70b350355be7"> 1481</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cb">IncrementalityValues</a> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a509fcd50ceab50e3fd3a70b350355be7">kDefaultIncrementality</a>;</div><div class="line"><a name="l01482"></a><span class="lineno"> 1482</span> </div><div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#aeeef6511f130ba8a9db2c308dbeada5c">MPSolverParameters</a>();</div><div class="line"><a name="l01485"></a><span class="lineno"> 1485</span> </div><div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a1816929ef3ed29e5884291472b1b8739">SetDoubleParam</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932">MPSolverParameters::DoubleParam</a> param, <span class="keywordtype">double</span> value);</div><div class="line"><a name="l01488"></a><span class="lineno"> 1488</span> </div><div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#ae189b253817210ee7e605b089ccf47e4">SetIntegerParam</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param, <span class="keywordtype">int</span> value);</div><div class="line"><a name="l01491"></a><span class="lineno"> 1491</span> </div><div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#af89ed33216d227599a7752bc0dc97ce3">ResetDoubleParam</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932">MPSolverParameters::DoubleParam</a> param);</div><div class="line"><a name="l01498"></a><span class="lineno"> 1498</span> </div><div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a09343ed6dde3059443fe6f4caa16e986">ResetIntegerParam</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param);</div><div class="line"><a name="l01505"></a><span class="lineno"> 1505</span> </div><div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a372de693ad40b3f42839c8ec6ac845f4">Reset</a>();</div><div class="line"><a name="l01508"></a><span class="lineno"> 1508</span> </div><div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a692014f815d7927760762b046675f658">GetDoubleParam</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932">MPSolverParameters::DoubleParam</a> param) <span class="keyword">const</span>;</div><div class="line"><a name="l01511"></a><span class="lineno"> 1511</span> </div><div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#aeae0a6e1e84d015690573b08d62b1395">GetIntegerParam</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param) <span class="keyword">const</span>;</div><div class="line"><a name="l01514"></a><span class="lineno"> 1514</span> </div><div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  <span class="comment">// Parameter value for each parameter.</span></div><div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>  <span class="comment">// @see DoubleParam</span></div><div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  <span class="comment">// @see IntegerParam</span></div><div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>  <span class="keywordtype">double</span> relative_mip_gap_value_;</div><div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>  <span class="keywordtype">double</span> primal_tolerance_value_;</div><div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>  <span class="keywordtype">double</span> dual_tolerance_value_;</div><div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>  <span class="keywordtype">int</span> presolve_value_;</div><div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>  <span class="keywordtype">int</span> scaling_value_;</div><div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>  <span class="keywordtype">int</span> lp_algorithm_value_;</div><div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>  <span class="keywordtype">int</span> incrementality_value_;</div><div class="line"><a name="l01526"></a><span class="lineno"> 1526</span> </div><div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>  <span class="comment">// Boolean value indicating whether each parameter is set to the</span></div><div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>  <span class="comment">// solver's default value. Only parameters for which the wrapper</span></div><div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  <span class="comment">// does not define a default value need such an indicator.</span></div><div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>  <span class="keywordtype">bool</span> lp_algorithm_is_default_;</div><div class="line"><a name="l01531"></a><span class="lineno"> 1531</span> </div><div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>);</div><div class="line"><a name="l01533"></a><span class="lineno"> 1533</span> };</div><div class="line"><a name="l01534"></a><span class="lineno"> 1534</span> </div><div class="line"><a name="l01535"></a><span class="lineno"> 1535</span> <span class="comment">// Whether the given MPSolverResponseStatus (of a solve) would yield an RPC</span></div><div class="line"><a name="l01536"></a><span class="lineno"> 1536</span> <span class="comment">// error when happening on the linear solver stubby server, see</span></div><div class="line"><a name="l01537"></a><span class="lineno"> 1537</span> <span class="comment">// ./linear_solver_service.proto.</span></div><div class="line"><a name="l01538"></a><span class="lineno"> 1538</span> <span class="comment">// Note that RPC errors forbid to carry a response to the client, who can only</span></div><div class="line"><a name="l01539"></a><span class="lineno"> 1539</span> <span class="comment">// see the RPC error itself (error code + error message).</span></div><div class="line"><a name="l01540"></a><span class="lineno"> 1540</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#a52d451963bca16889b3f1e23450a8f2d">MPSolverResponseStatusIsRpcError</a>(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1b">MPSolverResponseStatus</a> status);</div><div class="line"><a name="l01541"></a><span class="lineno"> 1541</span> </div><div class="line"><a name="l01542"></a><span class="lineno"> 1542</span> <span class="comment">// This class wraps the actual mathematical programming solvers. Each</span></div><div class="line"><a name="l01543"></a><span class="lineno"> 1543</span> <span class="comment">// solver (GLOP, CLP, CBC, GLPK, SCIP) has its own interface class that</span></div><div class="line"><a name="l01544"></a><span class="lineno"> 1544</span> <span class="comment">// derives from this abstract class. This class is never directly</span></div><div class="line"><a name="l01545"></a><span class="lineno"> 1545</span> <span class="comment">// accessed by the user.</span></div><div class="line"><a name="l01546"></a><span class="lineno"> 1546</span> <span class="comment">// @see glop_interface.cc</span></div><div class="line"><a name="l01547"></a><span class="lineno"> 1547</span> <span class="comment">// @see cbc_interface.cc</span></div><div class="line"><a name="l01548"></a><span class="lineno"> 1548</span> <span class="comment">// @see clp_interface.cc</span></div><div class="line"><a name="l01549"></a><span class="lineno"> 1549</span> <span class="comment">// @see glpk_interface.cc</span></div><div class="line"><a name="l01550"></a><span class="lineno"> 1550</span> <span class="comment">// @see scip_interface.cc</span></div><div class="line"><a name="l01551"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html"> 1551</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a> {</div><div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l01553"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257d"> 1553</a></span>  <span class="keyword">enum</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257d">SynchronizationStatus</a> {</div><div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>  <span class="comment">// The underlying solver (CLP, GLPK, ...) and MPSolver are not in</span></div><div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>  <span class="comment">// sync for the model nor for the solution.</span></div><div class="line"><a name="l01556"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744"> 1556</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>,</div><div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>  <span class="comment">// The underlying solver and MPSolver are in sync for the model</span></div><div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>  <span class="comment">// but not for the solution: the model has changed since the</span></div><div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>  <span class="comment">// solution was computed last.</span></div><div class="line"><a name="l01560"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92"> 1560</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">MODEL_SYNCHRONIZED</a>,</div><div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  <span class="comment">// The underlying solver and MPSolver are in sync for the model and</span></div><div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>  <span class="comment">// the solution.</span></div><div class="line"><a name="l01563"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e"> 1563</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">SOLUTION_SYNCHRONIZED</a></div><div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>  };</div><div class="line"><a name="l01565"></a><span class="lineno"> 1565</span> </div><div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>  <span class="comment">// When the underlying solver does not provide the number of simplex</span></div><div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  <span class="comment">// iterations.</span></div><div class="line"><a name="l01568"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#accec08e7a0a89158c5d9aa5f6b25b695"> 1568</a></span>  <span class="keyword">static</span> constexpr int64_t <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#accec08e7a0a89158c5d9aa5f6b25b695">kUnknownNumberOfIterations</a> = -1;</div><div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>  <span class="comment">// When the underlying solver does not provide the number of</span></div><div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>  <span class="comment">// branch-and-bound nodes.</span></div><div class="line"><a name="l01571"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a671b20aa1d2532721b614ce2660e3872"> 1571</a></span>  <span class="keyword">static</span> constexpr int64_t <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a671b20aa1d2532721b614ce2660e3872">kUnknownNumberOfNodes</a> = -1;</div><div class="line"><a name="l01572"></a><span class="lineno"> 1572</span> </div><div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  <span class="comment">// Constructor. The user will access the MPSolverInterface through the</span></div><div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  <span class="comment">// MPSolver passed as argument.</span></div><div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  <span class="keyword">explicit</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a53f5f570e32963701a4b3fb0f82f75fc">MPSolverInterface</a>(<a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* <span class="keyword">const</span> solver);</div><div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a68bdc5b845406918af3322eec6497373">~MPSolverInterface</a>();</div><div class="line"><a name="l01577"></a><span class="lineno"> 1577</span> </div><div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  <span class="comment">// ----- Solve -----</span></div><div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>  <span class="comment">// Solves problem with specified parameter values. Returns true if the</span></div><div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  <span class="comment">// solution is optimal.</span></div><div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#acd2420c7db1ca29053a37312977bd610">Solve</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) = 0;</div><div class="line"><a name="l01582"></a><span class="lineno"> 1582</span> </div><div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <span class="comment">// Attempts to directly solve a MPModelRequest, bypassing the MPSolver data</span></div><div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  <span class="comment">// structures entirely. Like MPSolver::SolveWithProto(), optionally takes in</span></div><div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>  <span class="comment">// an 'interrupt' boolean.</span></div><div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>  <span class="comment">// Returns {} (eg. absl::nullopt) if direct-solve is not supported by the</span></div><div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  <span class="comment">// underlying solver (possibly because interrupt != nullptr), in which case</span></div><div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  <span class="comment">// the user should fall back to using MPSolver.</span></div><div class="line"><a name="l01589"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#add4787a18dc9a3fe84482d1946017518"> 1589</a></span>  <span class="keyword">virtual</span> absl::optional<MPSolutionResponse> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#add4787a18dc9a3fe84482d1946017518">DirectlySolveProto</a>(</div><div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_model_request.html">MPModelRequest</a>& request,</div><div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  <span class="comment">// `interrupt` is non-const because the internal</span></div><div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  <span class="comment">// solver may set it to true itself, in some cases.</span></div><div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>  std::atomic<bool>* interrupt) {</div><div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>  <span class="keywordflow">return</span> absl::nullopt;</div><div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  }</div><div class="line"><a name="l01596"></a><span class="lineno"> 1596</span> </div><div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>  <span class="comment">// Writes the model using the solver internal write function. Currently only</span></div><div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  <span class="comment">// available for GurobiInterface.</span></div><div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a250d71399cd954433689e259fb29c1c4">Write</a>(<span class="keyword">const</span> std::string& filename);</div><div class="line"><a name="l01600"></a><span class="lineno"> 1600</span> </div><div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  <span class="comment">// ----- Model modifications and extraction -----</span></div><div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  <span class="comment">// Resets extracted model.</span></div><div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a43a787400d2a563b9eee1a149225c18a">Reset</a>() = 0;</div><div class="line"><a name="l01604"></a><span class="lineno"> 1604</span> </div><div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  <span class="comment">// Sets the optimization direction (min/max).</span></div><div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a6efd8d7f237fb4c388b71b94a5d10fd5">SetOptimizationDirection</a>(<span class="keywordtype">bool</span> maximize) = 0;</div><div class="line"><a name="l01607"></a><span class="lineno"> 1607</span> </div><div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  <span class="comment">// Modifies bounds of an extracted variable.</span></div><div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a643e4f27de9cb198fbd7e7fca79a1f8d">SetVariableBounds</a>(<span class="keywordtype">int</span> index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) = 0;</div><div class="line"><a name="l01610"></a><span class="lineno"> 1610</span> </div><div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>  <span class="comment">// Modifies integrality of an extracted variable.</span></div><div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa86377bb63658e23dad3d2d35459c351">SetVariableInteger</a>(<span class="keywordtype">int</span> index, <span class="keywordtype">bool</span> integer) = 0;</div><div class="line"><a name="l01613"></a><span class="lineno"> 1613</span> </div><div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>  <span class="comment">// Modify bounds of an extracted variable.</span></div><div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af2ba2ba5c87fc539dd81b4366e1c11a7">SetConstraintBounds</a>(<span class="keywordtype">int</span> index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) = 0;</div><div class="line"><a name="l01616"></a><span class="lineno"> 1616</span> </div><div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>  <span class="comment">// Adds a linear constraint.</span></div><div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af8573b2ac9ba936191f2bda73d34b1d7">AddRowConstraint</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> ct) = 0;</div><div class="line"><a name="l01619"></a><span class="lineno"> 1619</span> </div><div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  <span class="comment">// Adds an indicator constraint. Returns true if the feature is supported by</span></div><div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  <span class="comment">// the underlying solver.</span></div><div class="line"><a name="l01622"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a2b2f8f7646c004cda3de338bd11ec0f2"> 1622</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2b2f8f7646c004cda3de338bd11ec0f2">AddIndicatorConstraint</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> ct) {</div><div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  LOG(ERROR) << <span class="stringliteral">"Solver doesn't support indicator constraints."</span>;</div><div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  }</div><div class="line"><a name="l01626"></a><span class="lineno"> 1626</span> </div><div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>  <span class="comment">// Add a variable.</span></div><div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2e3afb4a4e412bffafd7052b5dc149ac">AddVariable</a>(<a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> var) = 0;</div><div class="line"><a name="l01629"></a><span class="lineno"> 1629</span> </div><div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>  <span class="comment">// Changes a coefficient in a constraint.</span></div><div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#adc355918af24f83e2d2775d9dc67c9ff">SetCoefficient</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> constraint,</div><div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> variable,</div><div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  <span class="keywordtype">double</span> new_value, <span class="keywordtype">double</span> old_value) = 0;</div><div class="line"><a name="l01634"></a><span class="lineno"> 1634</span> </div><div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  <span class="comment">// Clears a constraint from all its terms.</span></div><div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a89fb46bd2d332732124e7f9cef5ac311">ClearConstraint</a>(<a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> constraint) = 0;</div><div class="line"><a name="l01637"></a><span class="lineno"> 1637</span> </div><div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>  <span class="comment">// Changes a coefficient in the linear objective.</span></div><div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#adf90730f9428d81b72ed6d8955f31f17">SetObjectiveCoefficient</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> variable,</div><div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  <span class="keywordtype">double</span> coefficient) = 0;</div><div class="line"><a name="l01641"></a><span class="lineno"> 1641</span> </div><div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>  <span class="comment">// Changes the constant term in the linear objective.</span></div><div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a95c0df997af0e71273533db8a3285bc1">SetObjectiveOffset</a>(<span class="keywordtype">double</span> value) = 0;</div><div class="line"><a name="l01644"></a><span class="lineno"> 1644</span> </div><div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>  <span class="comment">// Clears the objective from all its terms.</span></div><div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab8bd6c2ebc0fe292221efda5c39de361">ClearObjective</a>() = 0;</div><div class="line"><a name="l01647"></a><span class="lineno"> 1647</span> </div><div class="line"><a name="l01648"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a6747907b6984aaef88bf65816623cb8c"> 1648</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a6747907b6984aaef88bf65816623cb8c">BranchingPriorityChangedForVariable</a>(<span class="keywordtype">int</span> var_index) {}</div><div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>  <span class="comment">// ------ Query statistics on the solution and the solve ------</span></div><div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>  <span class="comment">// Returns the number of simplex iterations. The problem must be discrete,</span></div><div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>  <span class="comment">// otherwise it crashes, or returns kUnknownNumberOfIterations in NDEBUG mode.</span></div><div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>  <span class="keyword">virtual</span> int64_t <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a4f5d1a69a8d75b532edcda4f21a75f05">iterations</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  <span class="comment">// Returns the number of branch-and-bound nodes. The problem must be discrete,</span></div><div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>  <span class="comment">// otherwise it crashes, or returns kUnknownNumberOfNodes in NDEBUG mode.</span></div><div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  <span class="keyword">virtual</span> int64_t <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a5107b8ee06a5d696faf3b38947b12c83">nodes</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>  <span class="comment">// Returns the best objective bound. The problem must be discrete, otherwise</span></div><div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>  <span class="comment">// it crashes, or returns trivial bound (+/- inf) in NDEBUG mode.</span></div><div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a084d42f2437a4d0666990dc4681e68ec">best_objective_bound</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>  <span class="comment">// Returns the objective value of the best solution found so far.</span></div><div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a84f066c304d8bcbb9567be094feb9b08">objective_value</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01661"></a><span class="lineno"> 1661</span> </div><div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>  <span class="comment">// Returns the basis status of a row.</span></div><div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a7f7ed720a6606bc043dee234ca156fc0">row_status</a>(<span class="keywordtype">int</span> constraint_index) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>  <span class="comment">// Returns the basis status of a constraint.</span></div><div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a778ef8300eb8137f21ea4e5558a5013c">column_status</a>(<span class="keywordtype">int</span> variable_index) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l01666"></a><span class="lineno"> 1666</span> </div><div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>  <span class="comment">// Checks whether the solution is synchronized with the model, i.e. whether</span></div><div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>  <span class="comment">// the model has changed since the solution was computed last.</span></div><div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>  <span class="comment">// If it isn't, it crashes in NDEBUG, and returns false othwerwise.</span></div><div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>  <span class="comment">// Checks whether a feasible solution exists. The behavior is similar to</span></div><div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>  <span class="comment">// CheckSolutionIsSynchronized() above.</span></div><div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aca8da84e3ea975adf38326e42749bdfb">CheckSolutionExists</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>  <span class="comment">// Handy shortcut to do both checks above (it is often used).</span></div><div class="line"><a name="l01675"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a8da48eff5b28feb8b66ba111af16a974"> 1675</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a8da48eff5b28feb8b66ba111af16a974">CheckSolutionIsSynchronizedAndExists</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>() && <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aca8da84e3ea975adf38326e42749bdfb">CheckSolutionExists</a>();</div><div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>  }</div><div class="line"><a name="l01678"></a><span class="lineno"> 1678</span> </div><div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>  <span class="comment">// ----- Misc -----</span></div><div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>  <span class="comment">// Queries problem type. For simplicity, the distinction between</span></div><div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>  <span class="comment">// continuous and discrete is based on the declaration of the user</span></div><div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>  <span class="comment">// when the solver is created (example: GLPK_LINEAR_PROGRAMMING</span></div><div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>  <span class="comment">// vs. GLPK_MIXED_INTEGER_PROGRAMMING), not on the actual content of</span></div><div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  <span class="comment">// the model.</span></div><div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>  <span class="comment">// Returns true if the problem is continuous.</span></div><div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a4544138013b96f9cf723de8bd8529027">IsContinuous</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>  <span class="comment">// Returns true if the problem is continuous and linear.</span></div><div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af4eef336b3f51a82d39068505ac1866e">IsLP</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>  <span class="comment">// Returns true if the problem is discrete and linear.</span></div><div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#abc7994a741ef4c01ab29ccca957b833b">IsMIP</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l01691"></a><span class="lineno"> 1691</span> </div><div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  <span class="comment">// Returns the index of the last variable extracted.</span></div><div class="line"><a name="l01693"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a88df1fe8e8f2cf9ad859a4f7a6f0d056"> 1693</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a88df1fe8e8f2cf9ad859a4f7a6f0d056">last_variable_index</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>; }</div><div class="line"><a name="l01694"></a><span class="lineno"> 1694</span> </div><div class="line"><a name="l01695"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8"> 1695</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">variable_is_extracted</a>(<span class="keywordtype">int</span> var_index)<span class="keyword"> const </span>{</div><div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variable_is_extracted_[var_index];</div><div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  }</div><div class="line"><a name="l01698"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#aea23a93e629de1fd6eb44ee929ccc9ba"> 1698</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aea23a93e629de1fd6eb44ee929ccc9ba">set_variable_as_extracted</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">bool</span> extracted) {</div><div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variable_is_extracted_[var_index] = extracted;</div><div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  }</div><div class="line"><a name="l01701"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb"> 1701</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">constraint_is_extracted</a>(<span class="keywordtype">int</span> ct_index)<span class="keyword"> const </span>{</div><div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraint_is_extracted_[ct_index];</div><div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>  }</div><div class="line"><a name="l01704"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a29cf940fae07f304b2ba22fbcfcefe71"> 1704</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a29cf940fae07f304b2ba22fbcfcefe71">set_constraint_as_extracted</a>(<span class="keywordtype">int</span> ct_index, <span class="keywordtype">bool</span> extracted) {</div><div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraint_is_extracted_[ct_index] = extracted;</div><div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>  }</div><div class="line"><a name="l01707"></a><span class="lineno"> 1707</span> </div><div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>  <span class="comment">// Returns the boolean indicating the verbosity of the solver output.</span></div><div class="line"><a name="l01709"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#ac4fc2cc62fa9700b8fadfac3367f6a7c"> 1709</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ac4fc2cc62fa9700b8fadfac3367f6a7c">quiet</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">quiet_</a>; }</div><div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  <span class="comment">// Sets the boolean indicating the verbosity of the solver output.</span></div><div class="line"><a name="l01711"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a14f736419c29d18a6f4704afee275aa8"> 1711</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a14f736419c29d18a6f4704afee275aa8">set_quiet</a>(<span class="keywordtype">bool</span> quiet_value) { <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">quiet_</a> = quiet_value; }</div><div class="line"><a name="l01712"></a><span class="lineno"> 1712</span> </div><div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>  <span class="comment">// Returns the result status of the last solve.</span></div><div class="line"><a name="l01714"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#acf6504d4663a0aed81703cbf241002ed"> 1714</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#acf6504d4663a0aed81703cbf241002ed">result_status</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>();</div><div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>  <span class="keywordflow">return</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a>;</div><div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  }</div><div class="line"><a name="l01718"></a><span class="lineno"> 1718</span> </div><div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>  <span class="comment">// Returns a string describing the underlying solver and its version.</span></div><div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>  <span class="keyword">virtual</span> std::string <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a81ef93fee7111fcc116feecc0d9ee204">SolverVersion</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l01721"></a><span class="lineno"> 1721</span> </div><div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>  <span class="comment">// Returns the underlying solver.</span></div><div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span>* <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a17319eda610037b914917378c873347e">underlying_solver</a>() = 0;</div><div class="line"><a name="l01724"></a><span class="lineno"> 1724</span> </div><div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>  <span class="comment">// Computes exact condition number. Only available for continuous</span></div><div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>  <span class="comment">// problems and only implemented in GLPK.</span></div><div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af6ed7daee7c4d75339d175c36979cb5d">ComputeExactConditionNumber</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l01728"></a><span class="lineno"> 1728</span> </div><div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>  <span class="comment">// See MPSolver::SetStartingLpBasis().</span></div><div class="line"><a name="l01730"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a9e7edcae8572bcf2f44afae0232a5f3e"> 1730</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a9e7edcae8572bcf2f44afae0232a5f3e">SetStartingLpBasis</a>(</div><div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>  <span class="keyword">const</span> std::vector<MPSolver::BasisStatus>& variable_statuses,</div><div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>  <span class="keyword">const</span> std::vector<MPSolver::BasisStatus>& constraint_statuses) {</div><div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>  LOG(FATAL) << <span class="stringliteral">"Not supported by this solver."</span>;</div><div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>  }</div><div class="line"><a name="l01735"></a><span class="lineno"> 1735</span> </div><div class="line"><a name="l01736"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#ad89da59cde106890e11eb0e3f8b460e2"> 1736</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ad89da59cde106890e11eb0e3f8b460e2">InterruptSolve</a>() { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l01737"></a><span class="lineno"> 1737</span> </div><div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>  <span class="comment">// See MPSolver::NextSolution() for contract.</span></div><div class="line"><a name="l01739"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a9dccaf2645e8d7be911db6f387ca0561"> 1739</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a9dccaf2645e8d7be911db6f387ca0561">NextSolution</a>() { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l01740"></a><span class="lineno"> 1740</span> </div><div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>  <span class="comment">// See MPSolver::SetCallback() for details.</span></div><div class="line"><a name="l01742"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#aaf16709704b3574081008b78f247cb4b"> 1742</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aaf16709704b3574081008b78f247cb4b">SetCallback</a>(MPCallback* mp_callback) {</div><div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>  LOG(FATAL) << <span class="stringliteral">"Callbacks not supported for this solver."</span>;</div><div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>  }</div><div class="line"><a name="l01745"></a><span class="lineno"> 1745</span> </div><div class="line"><a name="l01746"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a16ab8967955490d4c826927008b2cdcd"> 1746</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a16ab8967955490d4c826927008b2cdcd">SupportsCallbacks</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l01747"></a><span class="lineno"> 1747</span> </div><div class="line"><a name="l01748"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#ac2c01b4de8f7670e37daa7d42b804dd4"> 1748</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>;</div><div class="line"><a name="l01749"></a><span class="lineno"> 1749</span> </div><div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>  <span class="comment">// To access the maximize_ bool and the MPSolver.</span></div><div class="line"><a name="l01751"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a24102af97b3c7e803861e1d6983b1fea"> 1751</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>;</div><div class="line"><a name="l01752"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a77dbe3a653f9c5d30e818000d92d8b17"> 1752</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_m_p_objective.html">MPObjective</a>;</div><div class="line"><a name="l01753"></a><span class="lineno"> 1753</span> </div><div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l01755"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b"> 1755</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>;</div><div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>  <span class="comment">// Indicates whether the model and the solution are synchronized.</span></div><div class="line"><a name="l01757"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7"> 1757</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257d">SynchronizationStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a>;</div><div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>  <span class="comment">// Indicates whether the solve has reached optimality,</span></div><div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  <span class="comment">// infeasibility, a limit, etc.</span></div><div class="line"><a name="l01760"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2"> 1760</a></span>  <a class="code" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a>;</div><div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  <span class="comment">// Optimization direction.</span></div><div class="line"><a name="l01762"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683"> 1762</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">maximize_</a>;</div><div class="line"><a name="l01763"></a><span class="lineno"> 1763</span> </div><div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>  <span class="comment">// Index in MPSolver::variables_ of last constraint extracted.</span></div><div class="line"><a name="l01765"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9"> 1765</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">last_constraint_index_</a>;</div><div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>  <span class="comment">// Index in MPSolver::constraints_ of last variable extracted.</span></div><div class="line"><a name="l01767"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c"> 1767</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">last_variable_index_</a>;</div><div class="line"><a name="l01768"></a><span class="lineno"> 1768</span> </div><div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>  <span class="comment">// The value of the objective function.</span></div><div class="line"><a name="l01770"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6"> 1770</a></span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a>;</div><div class="line"><a name="l01771"></a><span class="lineno"> 1771</span> </div><div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>  <span class="comment">// The value of the best objective bound. Used only for MIP solvers.</span></div><div class="line"><a name="l01773"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a"> 1773</a></span>  <span class="keywordtype">double</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">best_objective_bound_</a>;</div><div class="line"><a name="l01774"></a><span class="lineno"> 1774</span> </div><div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>  <span class="comment">// Boolean indicator for the verbosity of the solver output.</span></div><div class="line"><a name="l01776"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02"> 1776</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">quiet_</a>;</div><div class="line"><a name="l01777"></a><span class="lineno"> 1777</span> </div><div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>  <span class="comment">// Index of dummy variable created for empty constraints or the</span></div><div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>  <span class="comment">// objective offset.</span></div><div class="line"><a name="l01780"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_m_p_solver_interface.html#a2cb8082675772ca81d04e87b6f4b1c8b"> 1780</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a2cb8082675772ca81d04e87b6f4b1c8b">kDummyVariableIndex</a>;</div><div class="line"><a name="l01781"></a><span class="lineno"> 1781</span> </div><div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>  <span class="comment">// Extracts model stored in MPSolver.</span></div><div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#afb4493b8573d16e076059c755d2213b0">ExtractModel</a>();</div><div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>  <span class="comment">// Extracts the variables that have not been extracted yet.</span></div><div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a1e25beec6d6dc2350ef52ce383048760">ExtractNewVariables</a>() = 0;</div><div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>  <span class="comment">// Extracts the constraints that have not been extracted yet.</span></div><div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a7d6d720fac90b7eec9bff89444ef059d">ExtractNewConstraints</a>() = 0;</div><div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>  <span class="comment">// Extracts the objective.</span></div><div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a14a06e70f2c7ae73a4058a5440c302f8">ExtractObjective</a>() = 0;</div><div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>  <span class="comment">// Resets the extraction information.</span></div><div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ab2b08a14c8c4d2242558d3fa6a436e8c">ResetExtractionInformation</a>();</div><div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>  <span class="comment">// Change synchronization status from SOLUTION_SYNCHRONIZED to</span></div><div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>  <span class="comment">// MODEL_SYNCHRONIZED. To be used for model changes.</span></div><div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div><div class="line"><a name="l01795"></a><span class="lineno"> 1795</span> </div><div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>  <span class="comment">// Sets parameters common to LP and MIP in the underlying solver.</span></div><div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#af8505c2f03b5b90c1080452e26397275">SetCommonParameters</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param);</div><div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>  <span class="comment">// Sets MIP specific parameters in the underlying solver.</span></div><div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a40c40e3b24a8874fb084ad6d19893e73">SetMIPParameters</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param);</div><div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>  <span class="comment">// Sets all parameters in the underlying solver.</span></div><div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a69a40a8abff72ce66c2375c3dc81e416">SetParameters</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) = 0;</div><div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>  <span class="comment">// Sets an unsupported double parameter.</span></div><div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a1951547f7333b72da9e7ed9cf61ef129">SetUnsupportedDoubleParam</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932">MPSolverParameters::DoubleParam</a> param);</div><div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>  <span class="comment">// Sets an unsupported integer parameter.</span></div><div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a13697a760f2875ee69ecd6110ebb1420">SetUnsupportedIntegerParam</a>(</div><div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param);</div><div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  <span class="comment">// Sets a supported double parameter to an unsupported value.</span></div><div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#ae3c9feaac5534229d873d1bfdf03df24">SetDoubleParamToUnsupportedValue</a>(<a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932">MPSolverParameters::DoubleParam</a> param,</div><div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>  <span class="keywordtype">double</span> value);</div><div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>  <span class="comment">// Sets a supported integer parameter to an unsupported value.</span></div><div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a6c11e032bf037b6f6567a654ef888f2c">SetIntegerParamToUnsupportedValue</a>(</div><div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>  <a class="code" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">MPSolverParameters::IntegerParam</a> param, <span class="keywordtype">int</span> value);</div><div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>  <span class="comment">// Sets each parameter in the underlying solver.</span></div><div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a6c05b038e53c3a96af3715193c9b9e9b">SetRelativeMipGap</a>(<span class="keywordtype">double</span> value) = 0;</div><div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a65a79c9a017961ace540693943e11d8a">SetPrimalTolerance</a>(<span class="keywordtype">double</span> value) = 0;</div><div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#abefecfbabdfc67d54a8b74d7acd6a0b8">SetDualTolerance</a>(<span class="keywordtype">double</span> value) = 0;</div><div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#acbc02ef75e382aa8a252539093733870">SetPresolveMode</a>(<span class="keywordtype">int</span> value) = 0;</div><div class="line"><a name="l01818"></a><span class="lineno"> 1818</span> </div><div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  <span class="comment">// Sets the number of threads to be used by the solver.</span></div><div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>  <span class="keyword">virtual</span> absl::Status <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a12add4c8d939cf9f0265b8a887d264c6">SetNumThreads</a>(<span class="keywordtype">int</span> num_threads);</div><div class="line"><a name="l01821"></a><span class="lineno"> 1821</span> </div><div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>  <span class="comment">// Pass solver specific parameters in text format. The format is</span></div><div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>  <span class="comment">// solver-specific and is the same as the corresponding solver configuration</span></div><div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>  <span class="comment">// file format. Returns true if the operation was successful.</span></div><div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>  <span class="comment">//</span></div><div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>  <span class="comment">// Default implementation returns true if the input is empty. It returns false</span></div><div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>  <span class="comment">// and logs a WARNING if the input is not empty.</span></div><div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#aab52a044563f2e8d12b4f16076fd12b0">SetSolverSpecificParametersAsString</a>(</div><div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>  <span class="keyword">const</span> std::string& parameters);</div><div class="line"><a name="l01830"></a><span class="lineno"> 1830</span> </div><div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>  <span class="comment">// Sets the scaling mode.</span></div><div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a7d4dad0cb109728d4005f99b5afe5fdd">SetScalingMode</a>(<span class="keywordtype">int</span> value) = 0;</div><div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_m_p_solver_interface.html#a0ea9032aa55fa7d334dc01fcc0579ff4">SetLpAlgorithm</a>(<span class="keywordtype">int</span> value) = 0;</div><div class="line"><a name="l01834"></a><span class="lineno"> 1834</span> };</div><div class="line"><a name="l01835"></a><span class="lineno"> 1835</span> </div><div class="line"><a name="l01836"></a><span class="lineno"> 1836</span> } <span class="comment">// namespace operations_research</span></div><div class="line"><a name="l01837"></a><span class="lineno"> 1837</span> </div><div class="line"><a name="l01838"></a><span class="lineno"> 1838</span> <span class="preprocessor">#endif // OR_TOOLS_LINEAR_SOLVER_LINEAR_SOLVER_H_</span></div><div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ae522890e16fd065100174a819558b461"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ae522890e16fd065100174a819558b461">operations_research::MPSolver::MakeNumVar</a></div><div class="ttdeci">MPVariable * MakeNumVar(double lb, double ub, const std::string &name)</div><div class="ttdoc">Creates a continuous variable.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">operations_research::MPSolver::ResultStatus</a></div><div class="ttdeci">ResultStatus</div><div class="ttdoc">The status of solving the problem.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00439">linear_solver.h:439</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ab3669577a3f7b00eaf00bbcb0f13da31"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ab3669577a3f7b00eaf00bbcb0f13da31">operations_research::MPSolver::ExportModelAsMpsFormat</a></div><div class="ttdeci">bool ExportModelAsMpsFormat(bool fixed_format, bool obfuscate, std::string *model_str) const</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a509fcd50ceab50e3fd3a70b350355be7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a509fcd50ceab50e3fd3a70b350355be7">operations_research::MPSolverParameters::kDefaultIncrementality</a></div><div class="ttdeci">static const IncrementalityValues kDefaultIncrementality</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01481">linear_solver.h:1481</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a665001590f89bb9446d0030e2ef8047b"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a665001590f89bb9446d0030e2ef8047b">operations_research::MPConstraint::terms</a></div><div class="ttdeci">const absl::flat_hash_map< const MPVariable *, double > & terms() const</div><div class="ttdoc">Returns a map from variables to their coefficients in the constraint.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01239">linear_solver.h:1239</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_add4787a18dc9a3fe84482d1946017518"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#add4787a18dc9a3fe84482d1946017518">operations_research::MPSolverInterface::DirectlySolveProto</a></div><div class="ttdeci">virtual absl::optional< MPSolutionResponse > DirectlySolveProto(const MPModelRequest &request, std::atomic< bool > *interrupt)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01589">linear_solver.h:1589</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a18c4c6d71bb8379b15a21868e1e2d3fa"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a18c4c6d71bb8379b15a21868e1e2d3fa">operations_research::MPSolver::~MPSolver</a></div><div class="ttdeci">virtual ~MPSolver()</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a7383308e6b9b63b18196798db342ce8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a7383308e6b9b63b18196798db342ce8a">operations_research::MPObjective::BopInterface</a></div><div class="ttdeci">friend class BopInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01064">linear_solver.h:1064</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a13697a760f2875ee69ecd6110ebb1420"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a13697a760f2875ee69ecd6110ebb1420">operations_research::MPSolverInterface::SetUnsupportedIntegerParam</a></div><div class="ttdeci">virtual void SetUnsupportedIntegerParam(MPSolverParameters::IntegerParam param)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aee8250cf90d66d569534338248924469"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aee8250cf90d66d569534338248924469">operations_research::MPSolver::ProblemType</a></div><div class="ttdeci">virtual OptimizationProblemType ProblemType() const</div><div class="ttdoc">Returns the optimization problem type set at construction.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00288">linear_solver.h:288</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a29500cb9138fb0d96b2ed028d9253881"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a29500cb9138fb0d96b2ed028d9253881">operations_research::MPSolver::IsMIP</a></div><div class="ttdeci">bool IsMIP() const</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_aea23a93e629de1fd6eb44ee929ccc9ba"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aea23a93e629de1fd6eb44ee929ccc9ba">operations_research::MPSolverInterface::set_variable_as_extracted</a></div><div class="ttdeci">void set_variable_as_extracted(int var_index, bool extracted)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01698">linear_solver.h:1698</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a5c083b37243075a00bf909840dc7c933"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a5c083b37243075a00bf909840dc7c933">operations_research::MPSolver::SLMInterface</a></div><div class="ttdeci">friend class SLMInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00842">linear_solver.h:842</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_afb4493b8573d16e076059c755d2213b0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#afb4493b8573d16e076059c755d2213b0">operations_research::MPSolverInterface::ExtractModel</a></div><div class="ttdeci">void ExtractModel()</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a250d71399cd954433689e259fb29c1c4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a250d71399cd954433689e259fb29c1c4">operations_research::MPSolverInterface::Write</a></div><div class="ttdeci">virtual void Write(const std::string &filename)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ac75b700ead5ff5d0944b5161e6dac9e8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ac75b700ead5ff5d0944b5161e6dac9e8">operations_research::MPSolver::InterruptSolve</a></div><div class="ttdeci">bool InterruptSolve()</div><div class="ttdoc">Interrupts the Solve() execution to terminate processing if possible.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8aa12b397b225ca43d143085b619706e18"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8aa12b397b225ca43d143085b619706e18">operations_research::MPSolver::SAT_INTEGER_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00219">linear_solver.h:219</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_ad8ba7aa861c60e1fcd1b8b0eadcbdb7f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad8ba7aa861c60e1fcd1b8b0eadcbdb7f">operations_research::MPSolverParameters::kDefaultPrimalTolerance</a></div><div class="ttdeci">static const double kDefaultPrimalTolerance</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01478">linear_solver.h:1478</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff">operations_research::MPSolverParameters::INCREMENTALITY</a></div><div class="ttdoc">Advanced usage: incrementality from one solve to the next.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01420">linear_solver.h:1420</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a12add4c8d939cf9f0265b8a887d264c6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a12add4c8d939cf9f0265b8a887d264c6">operations_research::MPSolverInterface::SetNumThreads</a></div><div class="ttdeci">virtual absl::Status SetNumThreads(int num_threads)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a1816929ef3ed29e5884291472b1b8739"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a1816929ef3ed29e5884291472b1b8739">operations_research::MPSolverParameters::SetDoubleParam</a></div><div class="ttdeci">void SetDoubleParam(MPSolverParameters::DoubleParam param, double value)</div><div class="ttdoc">Sets a double parameter to a specific value.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a0ea9032aa55fa7d334dc01fcc0579ff4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a0ea9032aa55fa7d334dc01fcc0579ff4">operations_research::MPSolverInterface::SetLpAlgorithm</a></div><div class="ttdeci">virtual void SetLpAlgorithm(int value)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">operations_research::MPSolverInterface::MUST_RELOAD</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01556">linear_solver.h:1556</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a68bdc5b845406918af3322eec6497373"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a68bdc5b845406918af3322eec6497373">operations_research::MPSolverInterface::~MPSolverInterface</a></div><div class="ttdeci">virtual ~MPSolverInterface()</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a25a1112e410b183f49ef4ce8da1bdc74"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a25a1112e410b183f49ef4ce8da1bdc74">operations_research::MPSolverParameters::ScalingValues</a></div><div class="ttdeci">ScalingValues</div><div class="ttdoc">Advanced usage: Scaling options.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01456">linear_solver.h:1456</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a83b85675904f261c34c280b2abdcd9ae"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a83b85675904f261c34c280b2abdcd9ae">operations_research::MPSolver::SCIP_MIXED_INTEGER_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00200">linear_solver.h:200</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a8554e97d98d05016f16300cedf2be9f6"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a8554e97d98d05016f16300cedf2be9f6">operations_research::MPObjective::Value</a></div><div class="ttdeci">double Value() const</div><div class="ttdoc">Returns the objective value of the best solution found so far.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a6efd8d7f237fb4c388b71b94a5d10fd5"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a6efd8d7f237fb4c388b71b94a5d10fd5">operations_research::MPSolverInterface::SetOptimizationDirection</a></div><div class="ttdeci">virtual void SetOptimizationDirection(bool maximize)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a51726396f358c2e9ff870c3e0e17798a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a51726396f358c2e9ff870c3e0e17798a">operations_research::MPSolver::CPLEX_LINEAR_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00207">linear_solver.h:207</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a1e25beec6d6dc2350ef52ce383048760"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a1e25beec6d6dc2350ef52ce383048760">operations_research::MPSolverInterface::ExtractNewVariables</a></div><div class="ttdeci">virtual void ExtractNewVariables()=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a">operations_research::MPSolverParameters::PRESOLVE_ON</a></div><div class="ttdoc">Presolve is on.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01430">linear_solver.h:1430</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a6e75ff5a6525adc2eb42552c6f475b7a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">operations_research::MPSolverInterface::best_objective_bound_</a></div><div class="ttdeci">double best_objective_bound_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01773">linear_solver.h:1773</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_acbc02ef75e382aa8a252539093733870"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#acbc02ef75e382aa8a252539093733870">operations_research::MPSolverInterface::SetPresolveMode</a></div><div class="ttdeci">virtual void SetPresolveMode(int value)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a5ff11cd513c803ba3f75f2f672f1cf6f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a5ff11cd513c803ba3f75f2f672f1cf6f">operations_research::MPSolver::constraints</a></div><div class="ttdeci">const std::vector< MPConstraint * > & constraints() const</div><div class="ttdoc">Returns the array of constraints handled by the MPSolver.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00377">linear_solver.h:377</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a5c083b37243075a00bf909840dc7c933"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a5c083b37243075a00bf909840dc7c933">operations_research::MPObjective::SLMInterface</a></div><div class="ttdeci">friend class SLMInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01059">linear_solver.h:1059</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_ac4fc2cc62fa9700b8fadfac3367f6a7c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ac4fc2cc62fa9700b8fadfac3367f6a7c">operations_research::MPSolverInterface::quiet</a></div><div class="ttdeci">bool quiet() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01709">linear_solver.h:1709</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_acf6504d4663a0aed81703cbf241002ed"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#acf6504d4663a0aed81703cbf241002ed">operations_research::MPSolverInterface::result_status</a></div><div class="ttdeci">MPSolver::ResultStatus result_status() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01714">linear_solver.h:1714</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a43a787400d2a563b9eee1a149225c18a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a43a787400d2a563b9eee1a149225c18a">operations_research::MPSolverInterface::Reset</a></div><div class="ttdeci">virtual void Reset()=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a29cf940fae07f304b2ba22fbcfcefe71"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a29cf940fae07f304b2ba22fbcfcefe71">operations_research::MPSolverInterface::set_constraint_as_extracted</a></div><div class="ttdeci">void set_constraint_as_extracted(int ct_index, bool extracted)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01704">linear_solver.h:1704</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html">operations_research::MPSolverInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01551">linear_solver.h:1551</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aa71d36872f416feaa853788a7a7a7ef8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aa71d36872f416feaa853788a7a7a7ef8">operations_research::MPSolver::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdoc">Clears the objective (including the optimization direction), all variables and constraints.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a3d269786b0c64ba034e7e8a8a09213fc"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a3d269786b0c64ba034e7e8a8a09213fc">operations_research::MPObjective::SetOffset</a></div><div class="ttdeci">void SetOffset(double value)</div><div class="ttdoc">Sets the constant term in the objective.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a33b5ede96c77f6cfdd4f54325f384ab7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a33b5ede96c77f6cfdd4f54325f384ab7">operations_research::MPSolver::MakeIntVar</a></div><div class="ttdeci">MPVariable * MakeIntVar(double lb, double ub, const std::string &name)</div><div class="ttdoc">Creates an integer variable.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a43bc1eaf78615ea6084d975e892c33f1"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a43bc1eaf78615ea6084d975e892c33f1">operations_research::MPSolver::SetStartingLpBasis</a></div><div class="ttdeci">void SetStartingLpBasis(const std::vector< MPSolver::BasisStatus > &variable_statuses, const std::vector< MPSolver::BasisStatus > &constraint_statuses)</div><div class="ttdoc">Advanced usage: Incrementality.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_afbef7ee46d807e084dcf1fca7a4de2e7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">operations_research::MPSolverInterface::sync_status_</a></div><div class="ttdeci">SynchronizationStatus sync_status_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01757">linear_solver.h:1757</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a60944ecdcad88cfb4d4d32feea70c9b5"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a60944ecdcad88cfb4d4d32feea70c9b5">operations_research::MPVariable::CLPInterface</a></div><div class="ttdeci">friend class CLPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01164">linear_solver.h:1164</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a5a62faa5ec0ffed2abbc2d526bd53286"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a5a62faa5ec0ffed2abbc2d526bd53286">operations_research::MPSolver::XPRESS_MIXED_INTEGER_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00210">linear_solver.h:210</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a084d42f2437a4d0666990dc4681e68ec"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a084d42f2437a4d0666990dc4681e68ec">operations_research::MPSolverInterface::best_objective_bound</a></div><div class="ttdeci">double best_objective_bound() const</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_ad8227ba86a01f26e4f173cd5e219d5d1"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#ad8227ba86a01f26e4f173cd5e219d5d1">operations_research::MPConstraint::name</a></div><div class="ttdeci">const std::string & name() const</div><div class="ttdoc">Returns the name of the constraint.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01215">linear_solver.h:1215</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a5004489a36bc1393efa043044a63732f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a5004489a36bc1393efa043044a63732f">operations_research::MPSolver::Objective</a></div><div class="ttdeci">const MPObjective & Objective() const</div><div class="ttdoc">Returns the objective object.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00428">linear_solver.h:428</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_aeeef6511f130ba8a9db2c308dbeada5c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#aeeef6511f130ba8a9db2c308dbeada5c">operations_research::MPSolverParameters::MPSolverParameters</a></div><div class="ttdeci">MPSolverParameters()</div><div class="ttdoc">The constructor sets all parameters to their default value.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a570e7e2c973cc96bedb0db08f5e062e3"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a570e7e2c973cc96bedb0db08f5e062e3">operations_research::MPConstraint::ub</a></div><div class="ttdeci">double ub() const</div><div class="ttdoc">Returns the upper bound.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01247">linear_solver.h:1247</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a9655632a7a05d89fc1562459b26d7955"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a9655632a7a05d89fc1562459b26d7955">operations_research::MPSolver::infinity</a></div><div class="ttdeci">static double infinity()</div><div class="ttdoc">Infinity.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00701">linear_solver.h:701</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a2b2f8f7646c004cda3de338bd11ec0f2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a2b2f8f7646c004cda3de338bd11ec0f2">operations_research::MPSolverInterface::AddIndicatorConstraint</a></div><div class="ttdeci">virtual bool AddIndicatorConstraint(MPConstraint *const ct)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01622">linear_solver.h:1622</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a89fb46bd2d332732124e7f9cef5ac311"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a89fb46bd2d332732124e7f9cef5ac311">operations_research::MPSolverInterface::ClearConstraint</a></div><div class="ttdeci">virtual void ClearConstraint(MPConstraint *const constraint)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_aaf16709704b3574081008b78f247cb4b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aaf16709704b3574081008b78f247cb4b">operations_research::MPSolverInterface::SetCallback</a></div><div class="ttdeci">virtual void SetCallback(MPCallback *mp_callback)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01742">linear_solver.h:1742</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a2def997791a2a5119c3502aa68c34181"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a2def997791a2a5119c3502aa68c34181">operations_research::MPObjective::SetCoefficient</a></div><div class="ttdeci">void SetCoefficient(const MPVariable *const var, double coeff)</div><div class="ttdoc">Sets the coefficient of the variable in the objective.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a16ab8967955490d4c826927008b2cdcd"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a16ab8967955490d4c826927008b2cdcd">operations_research::MPSolverInterface::SupportsCallbacks</a></div><div class="ttdeci">virtual bool SupportsCallbacks() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01746">linear_solver.h:1746</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_af5a7cf0c655f37c0b388a2ddcf32ac3e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#af5a7cf0c655f37c0b388a2ddcf32ac3e">operations_research::MPSolver::CBCInterface</a></div><div class="ttdeci">friend class CBCInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00837">linear_solver.h:837</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_af89ed33216d227599a7752bc0dc97ce3"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#af89ed33216d227599a7752bc0dc97ce3">operations_research::MPSolverParameters::ResetDoubleParam</a></div><div class="ttdeci">void ResetDoubleParam(MPSolverParameters::DoubleParam param)</div><div class="ttdoc">Sets a double parameter to its default value (default value defined in MPSolverParameters if it exist...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_aa71d36872f416feaa853788a7a7a7ef8"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#aa71d36872f416feaa853788a7a7a7ef8">operations_research::MPConstraint::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdoc">Clears all variables and coefficients. Does not clear the bounds.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_af5a7cf0c655f37c0b388a2ddcf32ac3e"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#af5a7cf0c655f37c0b388a2ddcf32ac3e">operations_research::MPObjective::CBCInterface</a></div><div class="ttdeci">friend class CBCInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01055">linear_solver.h:1055</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8ab8fe41e971d897b3ac8a4d3b789003d4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8ab8fe41e971d897b3ac8a4d3b789003d4">operations_research::MPSolver::GLPK_MIXED_INTEGER_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00201">linear_solver.h:201</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_ae3c9feaac5534229d873d1bfdf03df24"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ae3c9feaac5534229d873d1bfdf03df24">operations_research::MPSolverInterface::SetDoubleParamToUnsupportedValue</a></div><div class="ttdeci">void SetDoubleParamToUnsupportedValue(MPSolverParameters::DoubleParam param, double value)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_ad5d09a69c6c8c8eea9311b0513628683"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">operations_research::MPSolverInterface::maximize_</a></div><div class="ttdeci">bool maximize_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01762">linear_solver.h:1762</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">operations_research::MPSolver::FREE</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00674">linear_solver.h:674</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a9ec8e5b1017d35c4ce048c67330b0a10"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a9ec8e5b1017d35c4ce048c67330b0a10">operations_research::MPObjective::BestBound</a></div><div class="ttdeci">double BestBound() const</div><div class="ttdoc">Returns the best objective bound.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a9d3beb2afe4ae647674b054bf29290e2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a9d3beb2afe4ae647674b054bf29290e2">operations_research::MPSolver::NumVariables</a></div><div class="ttdeci">int NumVariables() const</div><div class="ttdoc">Returns the number of variables.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00300">linear_solver.h:300</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a51e5ee25b1d77df2bde63950cfe0ab56"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a51e5ee25b1d77df2bde63950cfe0ab56">operations_research::MPSolver::GUROBI_LINEAR_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00205">linear_solver.h:205</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_abc6bcaac179c603ad3386fa7449c86a7"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#abc6bcaac179c603ad3386fa7449c86a7">operations_research::MPVariable::integer</a></div><div class="ttdeci">bool integer() const</div><div class="ttdoc">Returns the integrality requirement of the variable.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01096">linear_solver.h:1096</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a3e8b0f4b22e58bfd3ec683807e9b97b4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a3e8b0f4b22e58bfd3ec683807e9b97b4">operations_research::MPSolver::ParseSolverType</a></div><div class="ttdeci">static bool ParseSolverType(absl::string_view solver_id, OptimizationProblemType *type)</div><div class="ttdoc">Parses the name of the solver.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a60944ecdcad88cfb4d4d32feea70c9b5"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a60944ecdcad88cfb4d4d32feea70c9b5">operations_research::MPObjective::CLPInterface</a></div><div class="ttdeci">friend class CLPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01056">linear_solver.h:1056</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_aa3d71b1d66352ee439fdcdf8f3b93067"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#aa3d71b1d66352ee439fdcdf8f3b93067">operations_research::MPObjective::minimization</a></div><div class="ttdeci">bool minimization() const</div><div class="ttdoc">Is the optimization direction set to minimize?</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8">operations_research::MPSolver::OptimizationProblemType</a></div><div class="ttdeci">OptimizationProblemType</div><div class="ttdoc">The type of problems (LP or MIP) that will be solved and the underlying solver (GLOP,...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00191">linear_solver.h:191</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_ac187b2ba08422f3a06b8d1e1502ceea6"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#ac187b2ba08422f3a06b8d1e1502ceea6">operations_research::MPObjective::SetMinimization</a></div><div class="ttdeci">void SetMinimization()</div><div class="ttdoc">Sets the optimization direction to minimize.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01020">linear_solver.h:1020</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_ac28a56eeedb62d070578a9231f1875ea"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#ac28a56eeedb62d070578a9231f1875ea">operations_research::MPObjective::GurobiInterface</a></div><div class="ttdeci">friend class GurobiInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01060">linear_solver.h:1060</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html_a52d451963bca16889b3f1e23450a8f2d"><div class="ttname"><a href="namespaceoperations__research.html#a52d451963bca16889b3f1e23450a8f2d">operations_research::MPSolverResponseStatusIsRpcError</a></div><div class="ttdeci">bool MPSolverResponseStatusIsRpcError(MPSolverResponseStatus status)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a02bfb5cd5deeb2d5149f6976ee0456d6"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a02bfb5cd5deeb2d5149f6976ee0456d6">operations_research::MPConstraint::SetBounds</a></div><div class="ttdeci">void SetBounds(double lb, double ub)</div><div class="ttdoc">Sets both the lower and upper bounds.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html">operations_research::MPObjective</a></div><div class="ttdoc">A class to express a linear objective.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00960">linear_solver.h:960</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1b"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1b">operations_research::MPSolverResponseStatus</a></div><div class="ttdeci">MPSolverResponseStatus</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00235">linear_solver.pb.h:235</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a016e9dcdc549105df6e8ceb5b1933ae5"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a016e9dcdc549105df6e8ceb5b1933ae5">operations_research::MPSolverParameters::kDefaultRelativeMipGap</a></div><div class="ttdeci">static const double kDefaultRelativeMipGap</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01477">linear_solver.h:1477</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a6c754b527a347994b06eeb49a09ac222"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a6c754b527a347994b06eeb49a09ac222">operations_research::MPSolver::GLOPInterface</a></div><div class="ttdeci">friend class GLOPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00844">linear_solver.h:844</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a6e06b5be8dccaff140e14a5f71fa64df"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a6e06b5be8dccaff140e14a5f71fa64df">operations_research::MPSolverParameters::kUnknownDoubleParamValue</a></div><div class="ttdeci">static const double kUnknownDoubleParamValue</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01469">linear_solver.h:1469</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a6c754b527a347994b06eeb49a09ac222"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a6c754b527a347994b06eeb49a09ac222">operations_research::MPConstraint::GLOPInterface</a></div><div class="ttdeci">friend class GLOPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01313">linear_solver.h:1313</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_aee1ddf25e86286c16face31551751bda"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#aee1ddf25e86286c16face31551751bda">operations_research::MPVariable::KnapsackInterface</a></div><div class="ttdeci">friend class KnapsackInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01175">linear_solver.h:1175</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403">operations_research::MPSolverParameters::PRESOLVE</a></div><div class="ttdoc">Advanced usage: presolve mode.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01416">linear_solver.h:1416</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_af5a7cf0c655f37c0b388a2ddcf32ac3e"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#af5a7cf0c655f37c0b388a2ddcf32ac3e">operations_research::MPVariable::CBCInterface</a></div><div class="ttdeci">friend class CBCInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01163">linear_solver.h:1163</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">operations_research::MPSolver::BasisStatus</a></div><div class="ttdeci">BasisStatus</div><div class="ttdoc">Advanced usage: possible basis status values for a variable and the slack variable of a linear constr...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00673">linear_solver.h:673</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a5afd87c4abc02aea7fedd93f12a16b60"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a5afd87c4abc02aea7fedd93f12a16b60">operations_research::MPConstraint::indicator_variable</a></div><div class="ttdeci">const MPVariable * indicator_variable() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01276">linear_solver.h:1276</a></div></div>
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<div class="ttc" id="linear__solver_8h_html_a9a91eed380982c769d7ca85b5736f91c"><div class="ttname"><a href="linear__solver_8h.html#a9a91eed380982c769d7ca85b5736f91c">ABSL_DECLARE_FLAG</a></div><div class="ttdeci">ABSL_DECLARE_FLAG(bool, linear_solver_enable_verbose_output)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">operations_research::MPSolverInterface::SOLUTION_SYNCHRONIZED</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01563">linear_solver.h:1563</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784">operations_research::MPSolverParameters::IntegerParam</a></div><div class="ttdeci">IntegerParam</div><div class="ttdoc">Enumeration of parameters that take integer or categorical values.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01414">linear_solver.h:1414</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a8844020cc1376123531cd53c831acdef"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a8844020cc1376123531cd53c831acdef">operations_research::MPVariable::MPVariableSolutionValueTest</a></div><div class="ttdeci">friend class MPVariableSolutionValueTest</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01172">linear_solver.h:1172</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a2ab7b415cdf146b96aa68a91870608d2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">operations_research::MPSolverInterface::result_status_</a></div><div class="ttdeci">MPSolver::ResultStatus result_status_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01760">linear_solver.h:1760</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a7383308e6b9b63b18196798db342ce8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a7383308e6b9b63b18196798db342ce8a">operations_research::MPSolver::BopInterface</a></div><div class="ttdeci">friend class BopInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00845">linear_solver.h:845</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a4544138013b96f9cf723de8bd8529027"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a4544138013b96f9cf723de8bd8529027">operations_research::MPSolverInterface::IsContinuous</a></div><div class="ttdeci">virtual bool IsContinuous() const =0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a226456dfb15300dd4e59d0bf80d0ce07"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a226456dfb15300dd4e59d0bf80d0ce07">operations_research::MPSolver::MutableObjective</a></div><div class="ttdeci">MPObjective * MutableObjective()</div><div class="ttdoc">Returns the mutable objective object.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00431">linear_solver.h:431</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aa26d98dc25deb7df20d2f3fa2b841ad9"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aa26d98dc25deb7df20d2f3fa2b841ad9">operations_research::MPSolver::global_num_variables</a></div><div class="ttdeci">static int64_t global_num_variables()</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a372de693ad40b3f42839c8ec6ac845f4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a372de693ad40b3f42839c8ec6ac845f4">operations_research::MPSolver::Reset</a></div><div class="ttdeci">void Reset()</div><div class="ttdoc">Advanced usage: resets extracted model to solve from scratch.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a5107b8ee06a5d696faf3b38947b12c83"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a5107b8ee06a5d696faf3b38947b12c83">operations_research::MPSolverInterface::nodes</a></div><div class="ttdeci">virtual int64_t nodes() const =0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a356d08f701ec7c64a00c19818bb72886"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a356d08f701ec7c64a00c19818bb72886">operations_research::MPConstraint::GetCoefficient</a></div><div class="ttdeci">double GetCoefficient(const MPVariable *const var) const</div><div class="ttdoc">Gets the coefficient of a given variable on the constraint (which is 0 if the variable does not appea...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a623ab5a721425a45fb724fd82f4bcc09"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a623ab5a721425a45fb724fd82f4bcc09">operations_research::MPSolver::GUROBI_MIXED_INTEGER_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00206">linear_solver.h:206</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_ad042c8697c2a8b1467135984182318b6"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#ad042c8697c2a8b1467135984182318b6">operations_research::MPConstraint::set_dual_value</a></div><div class="ttdeci">void set_dual_value(double dual_value)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01333">linear_solver.h:1333</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a53f5f570e32963701a4b3fb0f82f75fc"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a53f5f570e32963701a4b3fb0f82f75fc">operations_research::MPSolverInterface::MPSolverInterface</a></div><div class="ttdeci">MPSolverInterface(MPSolver *const solver)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a09343ed6dde3059443fe6f4caa16e986"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a09343ed6dde3059443fe6f4caa16e986">operations_research::MPSolverParameters::ResetIntegerParam</a></div><div class="ttdeci">void ResetIntegerParam(MPSolverParameters::IntegerParam param)</div><div class="ttdoc">Sets an integer parameter to its default value (default value defined in MPSolverParameters if it exi...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a4f5d1a69a8d75b532edcda4f21a75f05"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a4f5d1a69a8d75b532edcda4f21a75f05">operations_research::MPSolverInterface::iterations</a></div><div class="ttdeci">virtual int64_t iterations() const =0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_aeae0a6e1e84d015690573b08d62b1395"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#aeae0a6e1e84d015690573b08d62b1395">operations_research::MPSolverParameters::GetIntegerParam</a></div><div class="ttdeci">int GetIntegerParam(MPSolverParameters::IntegerParam param) const</div><div class="ttdoc">Returns the value of an integer parameter.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_adf90730f9428d81b72ed6d8955f31f17"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#adf90730f9428d81b72ed6d8955f31f17">operations_research::MPSolverInterface::SetObjectiveCoefficient</a></div><div class="ttdeci">virtual void SetObjectiveCoefficient(const MPVariable *const variable, double coefficient)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a6d15ef2bce88ffcd8ec93cad9f3bf5bd"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a6d15ef2bce88ffcd8ec93cad9f3bf5bd">operations_research::MPSolver::SolveWithProto</a></div><div class="ttdeci">static void SolveWithProto(const MPModelRequest &model_request, MPSolutionResponse *response, std::atomic< bool > *interrupt=nullptr)</div><div class="ttdoc">Solves the model encoded by a MPModelRequest protocol buffer and fills the solution encoded as a MPSo...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a6c05b038e53c3a96af3715193c9b9e9b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a6c05b038e53c3a96af3715193c9b9e9b">operations_research::MPSolverInterface::SetRelativeMipGap</a></div><div class="ttdeci">virtual void SetRelativeMipGap(double value)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_ae1a3e0a695903c8e6effd524a7f92784"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#ae1a3e0a695903c8e6effd524a7f92784">operations_research::MPConstraint::GLPKInterface</a></div><div class="ttdeci">friend class GLPKInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01307">linear_solver.h:1307</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_af093ce79e6a0d2e334ebe94579003de6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">operations_research::MPSolverInterface::objective_value_</a></div><div class="ttdeci">double objective_value_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01770">linear_solver.h:1770</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_ae189b253817210ee7e605b089ccf47e4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ae189b253817210ee7e605b089ccf47e4">operations_research::MPSolverParameters::SetIntegerParam</a></div><div class="ttdeci">void SetIntegerParam(MPSolverParameters::IntegerParam param, int value)</div><div class="ttdoc">Sets a integer parameter to a specific value.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a69c93714d214fac7e1ae59646525aecb"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a69c93714d214fac7e1ae59646525aecb">operations_research::MPConstraint::MPConstraint</a></div><div class="ttdeci">MPConstraint(int index, double lb, double ub, const std::string &name, MPSolverInterface *const interface_in)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01321">linear_solver.h:1321</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_model_request_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_model_request.html">operations_research::MPModelRequest</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l03789">linear_solver.pb.h:3789</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a9df947ed3bb70075e234f8f0f78bc8ee"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a9df947ed3bb70075e234f8f0f78bc8ee">operations_research::MPSolver::ClampSolutionWithinBounds</a></div><div class="ttdeci">absl::Status ClampSolutionWithinBounds()</div><div class="ttdoc">Resets values of out of bound variables to the corresponding bound and returns an error if any of the...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a60944ecdcad88cfb4d4d32feea70c9b5"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a60944ecdcad88cfb4d4d32feea70c9b5">operations_research::MPConstraint::CLPInterface</a></div><div class="ttdeci">friend class CLPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01306">linear_solver.h:1306</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_ac195da617c5cdd546ab7ecc67a2e7235"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#ac195da617c5cdd546ab7ecc67a2e7235">operations_research::MPObjective::MaximizeLinearExpr</a></div><div class="ttdeci">void MaximizeLinearExpr(const LinearExpr &linear_expr)</div><div class="ttdoc">Resets the current objective to maximize linear_expr.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01005">linear_solver.h:1005</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a7d6d720fac90b7eec9bff89444ef059d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a7d6d720fac90b7eec9bff89444ef059d">operations_research::MPSolverInterface::ExtractNewConstraints</a></div><div class="ttdeci">virtual void ExtractNewConstraints()=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a3977d5bfced39e6ccd075056317bbb3a"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a3977d5bfced39e6ccd075056317bbb3a">operations_research::MPVariable::set_solution_value</a></div><div class="ttdeci">void set_solution_value(double value)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01191">linear_solver.h:1191</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a4bf4b01cb836a567c90aeeea374ca2a2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a4bf4b01cb836a567c90aeeea374ca2a2">operations_research::MPSolver::SetHint</a></div><div class="ttdeci">void SetHint(std::vector< std::pair< const MPVariable *, double > > hint)</div><div class="ttdoc">Sets a hint for solution.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_acbd4413b1370baca9c45aecb0cb8ebd2"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#acbd4413b1370baca9c45aecb0cb8ebd2">operations_research::MPObjective::SatInterface</a></div><div class="ttdeci">friend class SatInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01065">linear_solver.h:1065</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_af4eef336b3f51a82d39068505ac1866e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af4eef336b3f51a82d39068505ac1866e">operations_research::MPSolverInterface::IsLP</a></div><div class="ttdeci">virtual bool IsLP() const =0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_acdb0e5753d20e4d3ece49a0451d24c4f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#acdb0e5753d20e4d3ece49a0451d24c4f">operations_research::MPSolver::MPSolver</a></div><div class="ttdeci">MPSolver(const std::string &name, OptimizationProblemType problem_type)</div><div class="ttdoc">Create a solver with the given name and underlying solver backend.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_aca8da84e3ea975adf38326e42749bdfb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aca8da84e3ea975adf38326e42749bdfb">operations_research::MPSolverInterface::CheckSolutionExists</a></div><div class="ttdeci">virtual bool CheckSolutionExists() const</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html">operations_research::MPVariable</a></div><div class="ttdoc">The class for variables of a Mathematical Programming (MP) model.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01087">linear_solver.h:1087</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">operations_research::MPSolver::OPTIMAL</a></div><div class="ttdoc">optimal.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00441">linear_solver.h:441</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_ae7cbd08108e1636184f28c1a71c42393"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#ae7cbd08108e1636184f28c1a71c42393">operations_research::MPConstraint::CplexInterface</a></div><div class="ttdeci">friend class CplexInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01311">linear_solver.h:1311</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a6129ea627a9a40fc21ddc24914cc6958"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a6129ea627a9a40fc21ddc24914cc6958">operations_research::MPSolver::wall_time</a></div><div class="ttdeci">int64_t wall_time() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00831">linear_solver.h:831</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_aecd5fee61b6013b1207c2ea622c849b5"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#aecd5fee61b6013b1207c2ea622c849b5">operations_research::MPVariable::basis_status</a></div><div class="ttdeci">MPSolver::BasisStatus basis_status() const</div><div class="ttdoc">Advanced usage: returns the basis status of the variable in the current solution (only available for ...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a8618b250f62af1c96b2f9f7ebbdaa8b6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a8618b250f62af1c96b2f9f7ebbdaa8b6">operations_research::MPSolver::SupportsCallbacks</a></div><div class="ttdeci">bool SupportsCallbacks() const</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a77083241e8bdb93b619c7b9feaf82dec"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a77083241e8bdb93b619c7b9feaf82dec">operations_research::MPSolver::SetSolverSpecificParametersAsString</a></div><div class="ttdeci">bool SetSolverSpecificParametersAsString(const std::string &parameters)</div><div class="ttdoc">Advanced usage: pass solver specific parameters in text format.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a9333144b7d28f68a7537b2ba19a1ba9b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a9333144b7d28f68a7537b2ba19a1ba9b">operations_research::MPSolver::MakeIntVarArray</a></div><div class="ttdeci">void MakeIntVarArray(int nb, double lb, double ub, const std::string &name, std::vector< MPVariable * > *vars)</div><div class="ttdoc">Creates an array of integer variables.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a14a06e70f2c7ae73a4058a5440c302f8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a14a06e70f2c7ae73a4058a5440c302f8">operations_research::MPSolverInterface::ExtractObjective</a></div><div class="ttdeci">virtual void ExtractObjective()=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a5047ea912234846bb32b30c1dcadf761"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a5047ea912234846bb32b30c1dcadf761">operations_research::MPSolver::GLPK_LINEAR_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00195">linear_solver.h:195</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_af6ed7daee7c4d75339d175c36979cb5d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af6ed7daee7c4d75339d175c36979cb5d">operations_research::MPSolverInterface::ComputeExactConditionNumber</a></div><div class="ttdeci">virtual double ComputeExactConditionNumber() const</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a397e8c8da87415d5408e2dd5ec3e9932af5546ac8a26f50d8798bf634598a7eba"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932af5546ac8a26f50d8798bf634598a7eba">operations_research::MPSolverParameters::RELATIVE_MIP_GAP</a></div><div class="ttdoc">Limit for relative MIP gap.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01400">linear_solver.h:1400</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_aa83a7b3f61fb55d22d1aa9aac0be4a7c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aa83a7b3f61fb55d22d1aa9aac0be4a7c">operations_research::MPSolverInterface::last_variable_index_</a></div><div class="ttdeci">int last_variable_index_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01767">linear_solver.h:1767</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_ac28a56eeedb62d070578a9231f1875ea"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#ac28a56eeedb62d070578a9231f1875ea">operations_research::MPVariable::GurobiInterface</a></div><div class="ttdeci">friend class GurobiInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01168">linear_solver.h:1168</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a3eee00e1029a4006afbd791f78d91657"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a3eee00e1029a4006afbd791f78d91657">operations_research::MPObjective::OptimizeLinearExpr</a></div><div class="ttdeci">void OptimizeLinearExpr(const LinearExpr &linear_expr, bool is_maximization)</div><div class="ttdoc">Resets the current objective to take the value of linear_expr, and sets the objective direction to ma...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a7383308e6b9b63b18196798db342ce8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a7383308e6b9b63b18196798db342ce8a">operations_research::MPVariable::BopInterface</a></div><div class="ttdeci">friend class BopInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01173">linear_solver.h:1173</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a95c0df997af0e71273533db8a3285bc1"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a95c0df997af0e71273533db8a3285bc1">operations_research::MPSolverInterface::SetObjectiveOffset</a></div><div class="ttdeci">virtual void SetObjectiveOffset(double value)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587dae071e79c23f061c9dd00ee09519a0031"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dae071e79c23f061c9dd00ee09519a0031">operations_research::MPSolver::MODEL_INVALID</a></div><div class="ttdoc">the model is trivially invalid (NaN coefficients, etc).</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00451">linear_solver.h:451</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_aa2fedb3c02ffb092a6c19a0ee1e81a02"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">operations_research::MPSolverInterface::quiet_</a></div><div class="ttdeci">bool quiet_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01776">linear_solver.h:1776</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_abc935c6e0cb353e2c61d38ad8af1ed5c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#abc935c6e0cb353e2c61d38ad8af1ed5c">operations_research::MPSolver::XpressInterface</a></div><div class="ttdeci">friend class XpressInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00841">linear_solver.h:841</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a6cd255f26ead4c88b295ee508c6b9ba5"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a6cd255f26ead4c88b295ee508c6b9ba5">operations_research::MPSolver::global_num_constraints</a></div><div class="ttdeci">static int64_t global_num_constraints()</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a397e8c8da87415d5408e2dd5ec3e9932"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932">operations_research::MPSolverParameters::DoubleParam</a></div><div class="ttdeci">DoubleParam</div><div class="ttdoc">Enumeration of parameters that take continuous values.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01398">linear_solver.h:1398</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_abefecfbabdfc67d54a8b74d7acd6a0b8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#abefecfbabdfc67d54a8b74d7acd6a0b8">operations_research::MPSolverInterface::SetDualTolerance</a></div><div class="ttdeci">virtual void SetDualTolerance(double value)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a1269e748520719b9d11f6ef2d1c28c42"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a1269e748520719b9d11f6ef2d1c28c42">operations_research::MPSolver::underlying_solver</a></div><div class="ttdeci">void * underlying_solver()</div><div class="ttdoc">Advanced usage: returns the underlying solver.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_ac28a56eeedb62d070578a9231f1875ea"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#ac28a56eeedb62d070578a9231f1875ea">operations_research::MPConstraint::GurobiInterface</a></div><div class="ttdeci">friend class GurobiInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01310">linear_solver.h:1310</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a21a919f23e61f3bdea7509c3887c888f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a21a919f23e61f3bdea7509c3887c888f">operations_research::MPSolver::GLOP_LINEAR_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00196">linear_solver.h:196</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a7d4dad0cb109728d4005f99b5afe5fdd"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a7d4dad0cb109728d4005f99b5afe5fdd">operations_research::MPSolverInterface::SetScalingMode</a></div><div class="ttdeci">virtual void SetScalingMode(int value)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a9dccaf2645e8d7be911db6f387ca0561"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a9dccaf2645e8d7be911db6f387ca0561">operations_research::MPSolverInterface::NextSolution</a></div><div class="ttdeci">virtual bool NextSolution()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01739">linear_solver.h:1739</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a6c754b527a347994b06eeb49a09ac222"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a6c754b527a347994b06eeb49a09ac222">operations_research::MPVariable::GLOPInterface</a></div><div class="ttdeci">friend class GLOPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01171">linear_solver.h:1171</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a60944ecdcad88cfb4d4d32feea70c9b5"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a60944ecdcad88cfb4d4d32feea70c9b5">operations_research::MPSolver::CLPInterface</a></div><div class="ttdeci">friend class CLPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00836">linear_solver.h:836</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a2cb8082675772ca81d04e87b6f4b1c8b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a2cb8082675772ca81d04e87b6f4b1c8b">operations_research::MPSolverInterface::kDummyVariableIndex</a></div><div class="ttdeci">static const int kDummyVariableIndex</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01780">linear_solver.h:1780</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html_ad3390eca60a1042a3d81452cea3863aa"><div class="ttname"><a href="namespaceoperations__research.html#ad3390eca60a1042a3d81452cea3863aa">operations_research::operator<<</a></div><div class="ttdeci">std::ostream & operator<<(std::ostream &stream, const LinearExpr &linear_expr)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ae1a3e0a695903c8e6effd524a7f92784"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ae1a3e0a695903c8e6effd524a7f92784">operations_research::MPSolver::GLPKInterface</a></div><div class="ttdeci">friend class GLPKInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00835">linear_solver.h:835</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a236f9752f4df4c5134617330a040ec8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a236f9752f4df4c5134617330a040ec8a">operations_research::MPConstraint::SCIPInterface</a></div><div class="ttdeci">friend class SCIPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01308">linear_solver.h:1308</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a9d8831eb4c3951cb8f39aa9deb7568bd"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a9d8831eb4c3951cb8f39aa9deb7568bd">operations_research::MPVariable::MPVariable</a></div><div class="ttdeci">MPVariable(int index, double lb, double ub, bool integer, const std::string &name, MPSolverInterface *const interface_in)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01180">linear_solver.h:1180</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a570e7e2c973cc96bedb0db08f5e062e3"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a570e7e2c973cc96bedb0db08f5e062e3">operations_research::MPVariable::ub</a></div><div class="ttdeci">double ub() const</div><div class="ttdoc">Returns the upper bound.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01114">linear_solver.h:1114</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a02bfb5cd5deeb2d5149f6976ee0456d6"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a02bfb5cd5deeb2d5149f6976ee0456d6">operations_research::MPVariable::SetBounds</a></div><div class="ttdeci">void SetBounds(double lb, double ub)</div><div class="ttdoc">Sets both the lower and upper bounds.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a849bf49baad56df58c018e8ab09456fb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a849bf49baad56df58c018e8ab09456fb">operations_research::MPSolver::SetNumThreads</a></div><div class="ttdeci">absl::Status SetNumThreads(int num_threads)</div><div class="ttdoc">Sets the number of threads to use by the underlying solver.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">operations_research::MPSolver::INFEASIBLE</a></div><div class="ttdoc">proven infeasible.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00445">linear_solver.h:445</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a728f0121faaa95a451eaef6eb13e2242"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a728f0121faaa95a451eaef6eb13e2242">operations_research::MPSolver::MakeVar</a></div><div class="ttdeci">MPVariable * MakeVar(double lb, double ub, bool integer, const std::string &name)</div><div class="ttdoc">Creates a variable with the given bounds, integrality requirement and name.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a14f736419c29d18a6f4704afee275aa8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a14f736419c29d18a6f4704afee275aa8">operations_research::MPSolverInterface::set_quiet</a></div><div class="ttdeci">void set_quiet(bool quiet_value)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01711">linear_solver.h:1711</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fa95aac881295562f873fc2ce46a8b8b1b">operations_research::MPSolverParameters::DUAL</a></div><div class="ttdoc">Dual simplex.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01436">linear_solver.h:1436</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_ad7c866ce738bfb6ac5fcee91fed998ed"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad7c866ce738bfb6ac5fcee91fed998ed">operations_research::MPSolverParameters::kDefaultIntegerParamValue</a></div><div class="ttdeci">static const int kDefaultIntegerParamValue</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01466">linear_solver.h:1466</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a6c11e032bf037b6f6567a654ef888f2c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a6c11e032bf037b6f6567a654ef888f2c">operations_research::MPSolverInterface::SetIntegerParamToUnsupportedValue</a></div><div class="ttdeci">virtual void SetIntegerParamToUnsupportedValue(MPSolverParameters::IntegerParam param, int value)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a4eef77bb51bde41e69bed87ea44b86e1"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a4eef77bb51bde41e69bed87ea44b86e1">operations_research::MPSolver::ComputeExactConditionNumber</a></div><div class="ttdeci">double ComputeExactConditionNumber() const</div><div class="ttdoc">Advanced usage: computes the exact condition number of the current scaled basis: L1norm(B) * L1norm(i...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a9f55f5e7a62b45961982063ebc1e9945"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a9f55f5e7a62b45961982063ebc1e9945">operations_research::MPSolver::Solve</a></div><div class="ttdeci">ResultStatus Solve()</div><div class="ttdoc">Solves the problem using the default parameter values.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a2b293906a9413ca8a70fa72c47a4bdbc"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a2b293906a9413ca8a70fa72c47a4bdbc">operations_research::MPSolver::KNAPSACK_MIXED_INTEGER_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00222">linear_solver.h:222</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a5c083b37243075a00bf909840dc7c933"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a5c083b37243075a00bf909840dc7c933">operations_research::MPVariable::SLMInterface</a></div><div class="ttdeci">friend class SLMInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01167">linear_solver.h:1167</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a2c50b77c283c82d632f0dc605ceca3c3"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a2c50b77c283c82d632f0dc605ceca3c3">operations_research::MPSolver::VerifySolution</a></div><div class="ttdeci">bool VerifySolution(double tolerance, bool log_errors) const</div><div class="ttdoc">Advanced usage: Verifies the correctness of the solution.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a4198b9880783bbbea8b517cc8ce868b3"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a4198b9880783bbbea8b517cc8ce868b3">operations_research::MPSolver::iterations</a></div><div class="ttdeci">int64_t iterations() const</div><div class="ttdoc">Returns the number of simplex iterations.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_acbd4413b1370baca9c45aecb0cb8ebd2"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#acbd4413b1370baca9c45aecb0cb8ebd2">operations_research::MPConstraint::SatInterface</a></div><div class="ttdeci">friend class SatInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01315">linear_solver.h:1315</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76daaf36138ad9ba5562db2eaf2f7c6e18d0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76daaf36138ad9ba5562db2eaf2f7c6e18d0">operations_research::MPSolver::FIXED_VALUE</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00677">linear_solver.h:677</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a66fd302d0082c74e6dea35ac59784847"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a66fd302d0082c74e6dea35ac59784847">operations_research::MPSolver::MakeVarArray</a></div><div class="ttdeci">void MakeVarArray(int nb, double lb, double ub, bool integer, const std::string &name_prefix, std::vector< MPVariable * > *vars)</div><div class="ttdoc">Creates an array of variables.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a87e458487b8f14804b579be6228ea78f"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a87e458487b8f14804b579be6228ea78f">operations_research::MPConstraint::indicator_value</a></div><div class="ttdeci">bool indicator_value() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01277">linear_solver.h:1277</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_af2ba2ba5c87fc539dd81b4366e1c11a7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af2ba2ba5c87fc539dd81b4366e1c11a7">operations_research::MPSolverInterface::SetConstraintBounds</a></div><div class="ttdeci">virtual void SetConstraintBounds(int index, double lb, double ub)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a84f066c304d8bcbb9567be094feb9b08"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a84f066c304d8bcbb9567be094feb9b08">operations_research::MPSolverInterface::objective_value</a></div><div class="ttdeci">double objective_value() const</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_af63f7de45a05eb7439a7a1c9ca594fd8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#af63f7de45a05eb7439a7a1c9ca594fd8">operations_research::MPSolver::SupportsProblemType</a></div><div class="ttdeci">static bool SupportsProblemType(OptimizationProblemType problem_type)</div><div class="ttdoc">Whether the given problem type is supported (this will depend on the targets that you linked).</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aaa766a9aa802903bf7a6e5b8fb82c70c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aaa766a9aa802903bf7a6e5b8fb82c70c">operations_research::MPSolver::Write</a></div><div class="ttdeci">void Write(const std::string &file_name)</div><div class="ttdoc">Writes the model using the solver internal write function.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_af8505c2f03b5b90c1080452e26397275"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af8505c2f03b5b90c1080452e26397275">operations_research::MPSolverInterface::SetCommonParameters</a></div><div class="ttdeci">void SetCommonParameters(const MPSolverParameters &param)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ac4f18824e639ecdf7304714a4450806b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">operations_research::MPSolver::time_limit</a></div><div class="ttdeci">int64_t time_limit() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00816">linear_solver.h:816</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_accec08e7a0a89158c5d9aa5f6b25b695"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#accec08e7a0a89158c5d9aa5f6b25b695">operations_research::MPSolverInterface::kUnknownNumberOfIterations</a></div><div class="ttdeci">static constexpr int64_t kUnknownNumberOfIterations</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01568">linear_solver.h:1568</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a81ef93fee7111fcc116feecc0d9ee204"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a81ef93fee7111fcc116feecc0d9ee204">operations_research::MPSolverInterface::SolverVersion</a></div><div class="ttdeci">virtual std::string SolverVersion() const =0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_ad8227ba86a01f26e4f173cd5e219d5d1"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#ad8227ba86a01f26e4f173cd5e219d5d1">operations_research::MPVariable::name</a></div><div class="ttdeci">const std::string & name() const</div><div class="ttdoc">Returns the name of the variable.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01090">linear_solver.h:1090</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_acd2420c7db1ca29053a37312977bd610"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#acd2420c7db1ca29053a37312977bd610">operations_research::MPSolverInterface::Solve</a></div><div class="ttdeci">virtual MPSolver::ResultStatus Solve(const MPSolverParameters &param)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ae1df08a9aabad59b5d620930126e6d91"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ae1df08a9aabad59b5d620930126e6d91">operations_research::MPSolver::SuppressOutput</a></div><div class="ttdeci">void SuppressOutput()</div><div class="ttdoc">Suppresses solver logging.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a372de693ad40b3f42839c8ec6ac845f4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a372de693ad40b3f42839c8ec6ac845f4">operations_research::MPSolverParameters::Reset</a></div><div class="ttdeci">void Reset()</div><div class="ttdoc">Sets all parameters to their default value.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_ae1a3e0a695903c8e6effd524a7f92784"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#ae1a3e0a695903c8e6effd524a7f92784">operations_research::MPVariable::GLPKInterface</a></div><div class="ttdeci">friend class GLPKInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01165">linear_solver.h:1165</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a40ac97031cb9dfac6b4810f4d7dad835"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a40ac97031cb9dfac6b4810f4d7dad835">operations_research::MPSolver::ParseSolverTypeOrDie</a></div><div class="ttdeci">static OptimizationProblemType ParseSolverTypeOrDie(const std::string &solver_id)</div><div class="ttdoc">Parses the name of the solver and returns the correct optimization type or dies.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541f">operations_research::MPSolverParameters::LpAlgorithmValues</a></div><div class="ttdeci">LpAlgorithmValues</div><div class="ttdoc">LP algorithm to use.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01434">linear_solver.h:1434</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_adf1a0cc6a3736f3db9880392efe02f0e"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#adf1a0cc6a3736f3db9880392efe02f0e">operations_research::MPVariable::solution_value</a></div><div class="ttdeci">double solution_value() const</div><div class="ttdoc">Returns the value of the variable in the current solution.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_abc935c6e0cb353e2c61d38ad8af1ed5c"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#abc935c6e0cb353e2c61d38ad8af1ed5c">operations_research::MPConstraint::XpressInterface</a></div><div class="ttdeci">friend class XpressInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01312">linear_solver.h:1312</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a643e4f27de9cb198fbd7e7fca79a1f8d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a643e4f27de9cb198fbd7e7fca79a1f8d">operations_research::MPSolverInterface::SetVariableBounds</a></div><div class="ttdeci">virtual void SetVariableBounds(int index, double lb, double ub)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_ad90797a6c268fa29b515bdb5972c7bfb"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#ad90797a6c268fa29b515bdb5972c7bfb">operations_research::MPVariable::SetLB</a></div><div class="ttdeci">void SetLB(double lb)</div><div class="ttdoc">Sets the lower bound.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01117">linear_solver.h:1117</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a18daa488abaa904f23c8f74158290883"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a18daa488abaa904f23c8f74158290883">operations_research::MPSolver::NextSolution</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT bool NextSolution()</div><div class="ttdoc">Some solvers (MIP only, not LP) can produce multiple solutions to the problem.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html">operations_research::MPConstraint</a></div><div class="ttdoc">The class for constraints of a Mathematical Programming (MP) model.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01212">linear_solver.h:1212</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1">operations_research::MPSolver::FEASIBLE</a></div><div class="ttdoc">feasible, or stopped by limit.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00443">linear_solver.h:443</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_acbd4413b1370baca9c45aecb0cb8ebd2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#acbd4413b1370baca9c45aecb0cb8ebd2">operations_research::MPSolver::SatInterface</a></div><div class="ttdeci">friend class SatInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00846">linear_solver.h:846</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_model_request_html_a40f08fb3e4751096aaf359cc80eb6009"><div class="ttname"><a href="classoperations__research_1_1_m_p_model_request.html#a40f08fb3e4751096aaf359cc80eb6009">operations_research::MPModelRequest::SAT_INTEGER_PROGRAMMING</a></div><div class="ttdeci">static constexpr SolverType SAT_INTEGER_PROGRAMMING</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l03942">linear_solver.pb.h:3942</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a6a912e59104bf30bee9f5e3f35bc0281"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a6a912e59104bf30bee9f5e3f35bc0281">operations_research::MPSolverParameters::kDefaultDualTolerance</a></div><div class="ttdeci">static const double kDefaultDualTolerance</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01479">linear_solver.h:1479</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_aee1ddf25e86286c16face31551751bda"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#aee1ddf25e86286c16face31551751bda">operations_research::MPObjective::KnapsackInterface</a></div><div class="ttdeci">friend class KnapsackInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01066">linear_solver.h:1066</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a1a0c61d2ddbf6def6615101b365cee90"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a1a0c61d2ddbf6def6615101b365cee90">operations_research::MPSolver::CLP_LINEAR_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00194">linear_solver.h:194</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a356d08f701ec7c64a00c19818bb72886"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a356d08f701ec7c64a00c19818bb72886">operations_research::MPObjective::GetCoefficient</a></div><div class="ttdeci">double GetCoefficient(const MPVariable *const var) const</div><div class="ttdoc">Gets the coefficient of a given variable in the objective.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a40c40e3b24a8874fb084ad6d19893e73"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a40c40e3b24a8874fb084ad6d19893e73">operations_research::MPSolverInterface::SetMIPParameters</a></div><div class="ttdeci">void SetMIPParameters(const MPSolverParameters &param)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ae3633ce77fd9b00984f0e917ab13efc6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ae3633ce77fd9b00984f0e917ab13efc6">operations_research::MPSolver::SolverTypeSupportsInterruption</a></div><div class="ttdeci">static bool SolverTypeSupportsInterruption(const MPModelRequest::SolverType solver)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00560">linear_solver.h:560</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_af5a7cf0c655f37c0b388a2ddcf32ac3e"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#af5a7cf0c655f37c0b388a2ddcf32ac3e">operations_research::MPConstraint::CBCInterface</a></div><div class="ttdeci">friend class CBCInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01305">linear_solver.h:1305</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ad79f6dc56d90d220de25c15f367b888f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ad79f6dc56d90d220de25c15f367b888f">operations_research::MPSolver::EnableOutput</a></div><div class="ttdeci">void EnableOutput()</div><div class="ttdoc">Enables solver logging.</div></div>
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<div class="ttc" id="namespaceoperations__research_html_a653e11eef608bfb88f21325e7fa12f2b"><div class="ttname"><a href="namespaceoperations__research.html#a653e11eef608bfb88f21325e7fa12f2b">operations_research::SolverTypeIsMip</a></div><div class="ttdeci">bool SolverTypeIsMip(MPModelRequest::SolverType solver_type)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">operations_research::MPSolverInterface::MODEL_SYNCHRONIZED</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01560">linear_solver.h:1560</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html_afc3e3b80841b587c6fbfd9e9f3ec9c59"><div class="ttname"><a href="namespaceoperations__research.html#afc3e3b80841b587c6fbfd9e9f3ec9c59">operations_research::ToString</a></div><div class="ttdeci">const absl::string_view ToString(MPSolver::OptimizationProblemType optimization_problem_type)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a59bc4e0d53dc2b904c7bee672403c0eb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a59bc4e0d53dc2b904c7bee672403c0eb">operations_research::MPSolverInterface::constraint_is_extracted</a></div><div class="ttdeci">bool constraint_is_extracted(int ct_index) const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01701">linear_solver.h:1701</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a315d9a97f1e37fd6773f8312aedc5c93"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">operations_research::MPSolverInterface::InvalidateSolutionSynchronization</a></div><div class="ttdeci">void InvalidateSolutionSynchronization()</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a397e8c8da87415d5408e2dd5ec3e9932a8c7c9aed0dcd36fc9a9af2fab295caf3"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a8c7c9aed0dcd36fc9a9af2fab295caf3">operations_research::MPSolverParameters::PRIMAL_TOLERANCE</a></div><div class="ttdoc">Advanced usage: tolerance for primal feasibility of basic solutions.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01408">linear_solver.h:1408</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a3f09fb4ef39e8d4ab6607b61aeaa0a2b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">operations_research::MPSolverInterface::solver_</a></div><div class="ttdeci">MPSolver *const solver_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01755">linear_solver.h:1755</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_adc355918af24f83e2d2775d9dc67c9ff"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#adc355918af24f83e2d2775d9dc67c9ff">operations_research::MPSolverInterface::SetCoefficient</a></div><div class="ttdeci">virtual void SetCoefficient(MPConstraint *const constraint, const MPVariable *const variable, double new_value, double old_value)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aee1ddf25e86286c16face31551751bda"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aee1ddf25e86286c16face31551751bda">operations_research::MPSolver::KnapsackInterface</a></div><div class="ttdeci">friend class KnapsackInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00847">linear_solver.h:847</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541fab6a6dd2cfc5b8fd6060e8a50573bb3ee">operations_research::MPSolverParameters::PRIMAL</a></div><div class="ttdoc">Primal simplex.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01438">linear_solver.h:1438</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a25a1112e410b183f49ef4ce8da1bdc74a62fd26c37f80b6aabec3b463c55a1c85"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a25a1112e410b183f49ef4ce8da1bdc74a62fd26c37f80b6aabec3b463c55a1c85">operations_research::MPSolverParameters::SCALING_ON</a></div><div class="ttdoc">Scaling is on.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01460">linear_solver.h:1460</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a35603553a6e2fa78a217ca1a4e7e6c18"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a35603553a6e2fa78a217ca1a4e7e6c18">operations_research::MPSolver::DurationSinceConstruction</a></div><div class="ttdeci">absl::Duration DurationSinceConstruction() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00725">linear_solver.h:725</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_model_request_html_a907c863b24c3210c87af678235be67c5"><div class="ttname"><a href="classoperations__research_1_1_m_p_model_request.html#a907c863b24c3210c87af678235be67c5">operations_research::MPModelRequest::GLOP_LINEAR_PROGRAMMING</a></div><div class="ttdeci">static constexpr SolverType GLOP_LINEAR_PROGRAMMING</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l03916">linear_solver.pb.h:3916</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a5c083b37243075a00bf909840dc7c933"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a5c083b37243075a00bf909840dc7c933">operations_research::MPConstraint::SLMInterface</a></div><div class="ttdeci">friend class SLMInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01309">linear_solver.h:1309</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a6c754b527a347994b06eeb49a09ac222"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a6c754b527a347994b06eeb49a09ac222">operations_research::MPObjective::GLOPInterface</a></div><div class="ttdeci">friend class GLOPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01063">linear_solver.h:1063</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_ad90797a6c268fa29b515bdb5972c7bfb"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#ad90797a6c268fa29b515bdb5972c7bfb">operations_research::MPConstraint::SetLB</a></div><div class="ttdeci">void SetLB(double lb)</div><div class="ttdoc">Sets the lower bound.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01250">linear_solver.h:1250</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_abc7994a741ef4c01ab29ccca957b833b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#abc7994a741ef4c01ab29ccca957b833b">operations_research::MPSolverInterface::IsMIP</a></div><div class="ttdeci">virtual bool IsMIP() const =0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_aee1ddf25e86286c16face31551751bda"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#aee1ddf25e86286c16face31551751bda">operations_research::MPConstraint::KnapsackInterface</a></div><div class="ttdeci">friend class KnapsackInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01316">linear_solver.h:1316</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_ae80ed8b6fcbcb848b18d657d62c26522"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ae80ed8b6fcbcb848b18d657d62c26522">operations_research::MPSolverParameters::kDefaultDoubleParamValue</a></div><div class="ttdeci">static const double kDefaultDoubleParamValue</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01465">linear_solver.h:1465</a></div></div>
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<div class="ttc" id="linear__expr_8h_html"><div class="ttname"><a href="linear__expr_8h.html">linear_expr.h</a></div><div class="ttdoc">This file allows you to write natural code (like a mathematical equation) to model optimization probl...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_aeec48f5c4d2d1cc79926734f9b586ad5"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#aeec48f5c4d2d1cc79926734f9b586ad5">operations_research::MPConstraint::dual_value</a></div><div class="ttdeci">double dual_value() const</div><div class="ttdoc">Advanced usage: returns the dual value of the constraint in the current solution (only available for ...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8ad183dc62c63346a3b984b93fbda0137a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8ad183dc62c63346a3b984b93fbda0137a">operations_research::MPSolver::CBC_MIXED_INTEGER_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00202">linear_solver.h:202</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a9d70aea1ff48f145644d82953fd4322a">operations_research::MPSolverParameters::PRESOLVE_OFF</a></div><div class="ttdoc">Presolve is off.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01428">linear_solver.h:1428</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_acca41811e8aaab0112b987749c0ecb93"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#acca41811e8aaab0112b987749c0ecb93">operations_research::MPConstraint::index</a></div><div class="ttdeci">int index() const</div><div class="ttdoc">Returns the index of the constraint in the MPSolver::constraints_.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01280">linear_solver.h:1280</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ab32654406932f9a6afcf44c4d5a143d2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ab32654406932f9a6afcf44c4d5a143d2">operations_research::MPSolver::OutputIsEnabled</a></div><div class="ttdeci">bool OutputIsEnabled() const</div><div class="ttdoc">Controls (or queries) the amount of output produced by the underlying solver.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76da0d243399df954cc7c42a62953ca00aa2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76da0d243399df954cc7c42a62953ca00aa2">operations_research::MPSolver::AT_UPPER_BOUND</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00676">linear_solver.h:676</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a68da85394a0aa65bda40355466afba93"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a68da85394a0aa65bda40355466afba93">operations_research::MPObjective::MinimizeLinearExpr</a></div><div class="ttdeci">void MinimizeLinearExpr(const LinearExpr &linear_expr)</div><div class="ttdoc">Resets the current objective to minimize linear_expr.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01009">linear_solver.h:1009</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a6747907b6984aaef88bf65816623cb8c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a6747907b6984aaef88bf65816623cb8c">operations_research::MPSolverInterface::BranchingPriorityChangedForVariable</a></div><div class="ttdeci">virtual void BranchingPriorityChangedForVariable(int var_index)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01648">linear_solver.h:1648</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a03666f2e70e42a9560aa9ce7416d2644"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a03666f2e70e42a9560aa9ce7416d2644">operations_research::MPSolver::NumConstraints</a></div><div class="ttdeci">int NumConstraints() const</div><div class="ttdoc">Returns the number of constraints.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00370">linear_solver.h:370</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_acbd4413b1370baca9c45aecb0cb8ebd2"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#acbd4413b1370baca9c45aecb0cb8ebd2">operations_research::MPVariable::SatInterface</a></div><div class="ttdeci">friend class SatInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01174">linear_solver.h:1174</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_ae1a3e0a695903c8e6effd524a7f92784"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#ae1a3e0a695903c8e6effd524a7f92784">operations_research::MPObjective::GLPKInterface</a></div><div class="ttdeci">friend class GLPKInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01057">linear_solver.h:1057</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a42d79af323cdc77e77c19ee22f9e3aa9"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a42d79af323cdc77e77c19ee22f9e3aa9">operations_research::MPSolverInterface::last_constraint_index_</a></div><div class="ttdeci">int last_constraint_index_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01765">linear_solver.h:1765</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a648a61e30b62b1c17ab1f49fe6c9ed8d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a648a61e30b62b1c17ab1f49fe6c9ed8d">operations_research::MPSolver::MakeNumVarArray</a></div><div class="ttdeci">void MakeNumVarArray(int nb, double lb, double ub, const std::string &name, std::vector< MPVariable * > *vars)</div><div class="ttdoc">Creates an array of continuous variables.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_acca41811e8aaab0112b987749c0ecb93"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#acca41811e8aaab0112b987749c0ecb93">operations_research::MPVariable::index</a></div><div class="ttdeci">int index() const</div><div class="ttdoc">Returns the index of the variable in the MPSolver::variables_.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01108">linear_solver.h:1108</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76da13c45196813cb44e6e81e9c48a5ec1b4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76da13c45196813cb44e6e81e9c48a5ec1b4">operations_research::MPSolver::BASIC</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00678">linear_solver.h:678</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a3097f16057930e83bce90546640bdd82"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a3097f16057930e83bce90546640bdd82">operations_research::MPSolver::XPRESS_LINEAR_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00209">linear_solver.h:209</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_ae7cbd08108e1636184f28c1a71c42393"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#ae7cbd08108e1636184f28c1a71c42393">operations_research::MPObjective::CplexInterface</a></div><div class="ttdeci">friend class CplexInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01061">linear_solver.h:1061</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0">operations_research::MPSolverParameters::SCALING</a></div><div class="ttdoc">Advanced usage: enable or disable matrix scaling.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01422">linear_solver.h:1422</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a8de44e2ad146c09314404500cde2f645"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">operations_research::MPSolverInterface::CheckSolutionIsSynchronized</a></div><div class="ttdeci">bool CheckSolutionIsSynchronized() const</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aaee44c64a12654b08dff20b74702ac6f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aaee44c64a12654b08dff20b74702ac6f">operations_research::MPSolver::SetCallback</a></div><div class="ttdeci">void SetCallback(MPCallback *mp_callback)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a3c4f59b6127589d61780ecaa2acdab76"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a3c4f59b6127589d61780ecaa2acdab76">operations_research::MPVariable::SetBranchingPriority</a></div><div class="ttdeci">void SetBranchingPriority(int priority)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a63c332dd969034f3c3086975a9e23b7e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a63c332dd969034f3c3086975a9e23b7e">operations_research::MPSolver::BOP_INTEGER_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00214">linear_solver.h:214</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76da6745b95540b79aaa5ee98f7e128b6033"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76da6745b95540b79aaa5ee98f7e128b6033">operations_research::MPSolver::AT_LOWER_BOUND</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00675">linear_solver.h:675</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a087c614accae43de9e770a7731d09892"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a087c614accae43de9e770a7731d09892">operations_research::MPVariable::unrounded_solution_value</a></div><div class="ttdeci">double unrounded_solution_value() const</div><div class="ttdoc">Advanced usage: unrounded solution value.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_aecd5fee61b6013b1207c2ea622c849b5"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#aecd5fee61b6013b1207c2ea622c849b5">operations_research::MPConstraint::basis_status</a></div><div class="ttdeci">MPSolver::BasisStatus basis_status() const</div><div class="ttdoc">Advanced usage: returns the basis status of the constraint.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a9658c1e6f69bfd3d938e1b8d3f85ba40"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a9658c1e6f69bfd3d938e1b8d3f85ba40">operations_research::MPSolver::GetSolverSpecificParametersAsString</a></div><div class="ttdeci">std::string GetSolverSpecificParametersAsString() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00650">linear_solver.h:650</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a692014f815d7927760762b046675f658"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a692014f815d7927760762b046675f658">operations_research::MPSolverParameters::GetDoubleParam</a></div><div class="ttdeci">double GetDoubleParam(MPSolverParameters::DoubleParam param) const</div><div class="ttdoc">Returns the value of a double parameter.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_af8573b2ac9ba936191f2bda73d34b1d7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af8573b2ac9ba936191f2bda73d34b1d7">operations_research::MPSolverInterface::AddRowConstraint</a></div><div class="ttdeci">virtual void AddRowConstraint(MPConstraint *const ct)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a671b20aa1d2532721b614ce2660e3872"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a671b20aa1d2532721b614ce2660e3872">operations_research::MPSolverInterface::kUnknownNumberOfNodes</a></div><div class="ttdeci">static constexpr int64_t kUnknownNumberOfNodes</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01571">linear_solver.h:1571</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html_af04d1dfc591c35038a974202e50e541f"><div class="ttname"><a href="namespaceoperations__research.html#af04d1dfc591c35038a974202e50e541f">operations_research::AbslUnparseFlag</a></div><div class="ttdeci">std::string AbslUnparseFlag(MPSolver::OptimizationProblemType solver_type)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00954">linear_solver.h:954</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a397e8c8da87415d5408e2dd5ec3e9932a184546f243ecb7d9be48659f8be82992"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a184546f243ecb7d9be48659f8be82992">operations_research::MPSolverParameters::DUAL_TOLERANCE</a></div><div class="ttdoc">Advanced usage: tolerance for dual feasibility of basic solutions.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01410">linear_solver.h:1410</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html_a61dc18a85425d0a7cf6aa3e7ce3199f6"><div class="ttname"><a href="namespaceoperations__research.html#a61dc18a85425d0a7cf6aa3e7ce3199f6">operations_research::AbslParseFlag</a></div><div class="ttdeci">bool AbslParseFlag(absl::string_view text, MPSolver::OptimizationProblemType *solver_type, std::string *error)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_af3f5aac5b77ce69f53a130b8a779e0b7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#af3f5aac5b77ce69f53a130b8a779e0b7">operations_research::MPSolver::TimeLimit</a></div><div class="ttdeci">absl::Duration TimeLimit() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00719">linear_solver.h:719</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a981cdf256aa33e518b8747c96bf1a9c7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a981cdf256aa33e518b8747c96bf1a9c7">operations_research::MPSolver::LookupVariableOrNull</a></div><div class="ttdeci">MPVariable * LookupVariableOrNull(const std::string &var_name) const</div><div class="ttdoc">Looks up a variable by name, and returns nullptr if it does not exist.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a615d9bd9c0c88aa56d31fdf95fbb5749"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a615d9bd9c0c88aa56d31fdf95fbb5749">operations_research::MPObjective::AddLinearExpr</a></div><div class="ttdeci">void AddLinearExpr(const LinearExpr &linear_expr)</div><div class="ttdoc">Adds linear_expr to the current objective, does not change the direction.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ab0f83070e72cee887e874382ee6d6958"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ab0f83070e72cee887e874382ee6d6958">operations_research::MPSolver::LoadModelFromProto</a></div><div class="ttdeci">MPSolverResponseStatus LoadModelFromProto(const MPModelProto &input_model, std::string *error_message)</div><div class="ttdoc">Loads model from protocol buffer.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a8da48eff5b28feb8b66ba111af16a974"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a8da48eff5b28feb8b66ba111af16a974">operations_research::MPSolverInterface::CheckSolutionIsSynchronizedAndExists</a></div><div class="ttdeci">bool CheckSolutionIsSynchronizedAndExists() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01675">linear_solver.h:1675</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a3df780d69d67985929c76e750f913e21"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a3df780d69d67985929c76e750f913e21">operations_research::MPObjective::maximization</a></div><div class="ttdeci">bool maximization() const</div><div class="ttdoc">Is the optimization direction set to maximize?</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_accc4f1882f13ad57ef6bbe8fbe5d365d"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#accc4f1882f13ad57ef6bbe8fbe5d365d">operations_research::MPConstraint::lb</a></div><div class="ttdeci">double lb() const</div><div class="ttdoc">Returns the lower bound.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01244">linear_solver.h:1244</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aff1d83614c47aa9934d4f9312e6056d4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aff1d83614c47aa9934d4f9312e6056d4">operations_research::MPSolver::SetTimeLimit</a></div><div class="ttdeci">void SetTimeLimit(absl::Duration time_limit)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00720">linear_solver.h:720</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_acd4056eff31d3008809b2e0b8a823373"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#acd4056eff31d3008809b2e0b8a823373">operations_research::MPSolver::variable</a></div><div class="ttdeci">MPVariable * variable(int index) const</div><div class="ttdoc">Returns the variable at position index.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00311">linear_solver.h:311</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_ab8bd6c2ebc0fe292221efda5c39de361"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ab8bd6c2ebc0fe292221efda5c39de361">operations_research::MPSolverInterface::ClearObjective</a></div><div class="ttdeci">virtual void ClearObjective()=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a2def997791a2a5119c3502aa68c34181"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a2def997791a2a5119c3502aa68c34181">operations_research::MPConstraint::SetCoefficient</a></div><div class="ttdeci">void SetCoefficient(const MPVariable *const var, double coeff)</div><div class="ttdoc">Sets the coefficient of the variable on the constraint.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aa38b5851203ddc9f64f01b87ad346ea1"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aa38b5851203ddc9f64f01b87ad346ea1">operations_research::MPSolver::nodes</a></div><div class="ttdeci">int64_t nodes() const</div><div class="ttdoc">Returns the number of branch-and-bound nodes evaluated during the solve.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_model_request_html_a2d3dadb18615d010dd342c5def143744"><div class="ttname"><a href="classoperations__research_1_1_m_p_model_request.html#a2d3dadb18615d010dd342c5def143744">operations_research::MPModelRequest::GUROBI_MIXED_INTEGER_PROGRAMMING</a></div><div class="ttdeci">static constexpr SolverType GUROBI_MIXED_INTEGER_PROGRAMMING</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l03934">linear_solver.pb.h:3934</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_model_request_html_a15729bbed2704c82113a2698ab03272c"><div class="ttname"><a href="classoperations__research_1_1_m_p_model_request.html#a15729bbed2704c82113a2698ab03272c">operations_research::MPModelRequest::GUROBI_LINEAR_PROGRAMMING</a></div><div class="ttdeci">static constexpr SolverType GUROBI_LINEAR_PROGRAMMING</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l03922">linear_solver.pb.h:3922</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a665001590f89bb9446d0030e2ef8047b"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a665001590f89bb9446d0030e2ef8047b">operations_research::MPObjective::terms</a></div><div class="ttdeci">const absl::flat_hash_map< const MPVariable *, double > & terms() const</div><div class="ttdoc">Returns a map from variables to their coefficients in the objective.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00988">linear_solver.h:988</a></div></div>
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<div class="ttc" id="linear__solver_8pb_8h_html"><div class="ttname"><a href="linear__solver_8pb_8h.html">linear_solver.pb.h</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f">operations_research::MPSolver::NOT_SOLVED</a></div><div class="ttdoc">not been solved yet.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00453">linear_solver.h:453</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_accc4f1882f13ad57ef6bbe8fbe5d365d"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">operations_research::MPVariable::lb</a></div><div class="ttdeci">double lb() const</div><div class="ttdoc">Returns the lower bound.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01111">linear_solver.h:1111</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a236f9752f4df4c5134617330a040ec8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a236f9752f4df4c5134617330a040ec8a">operations_research::MPObjective::SCIPInterface</a></div><div class="ttdeci">friend class SCIPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01058">linear_solver.h:1058</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a79b59c0c868544afdaa05d89c8f8541faef10b8804992b6a16960332346c21493">operations_research::MPSolverParameters::BARRIER</a></div><div class="ttdoc">Barrier algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01440">linear_solver.h:1440</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_aee91736e22b89c4f377a124837bb0be4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#aee91736e22b89c4f377a124837bb0be4">operations_research::MPSolverParameters::kDefaultPresolve</a></div><div class="ttdeci">static const PresolveValues kDefaultPresolve</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01480">linear_solver.h:1480</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a215b66c2ff063ffbf5b538ee402304cba34d17de87fc7339e07256ca5319dfa67"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba34d17de87fc7339e07256ca5319dfa67">operations_research::MPSolverParameters::INCREMENTALITY_ON</a></div><div class="ttdoc">Reuse results from previous solve as much as the underlying solver allows.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01452">linear_solver.h:1452</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a34caaebb9e2b365ef0ec449e870f5b5d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a34caaebb9e2b365ef0ec449e870f5b5d">operations_research::MPSolver::variables</a></div><div class="ttdeci">const std::vector< MPVariable * > & variables() const</div><div class="ttdoc">Returns the array of variables handled by the MPSolver.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00306">linear_solver.h:306</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ab60f33fbc8132eda10c296885625b7d9"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ab60f33fbc8132eda10c296885625b7d9">operations_research::MPSolver::MakeRowConstraint</a></div><div class="ttdeci">MPConstraint * MakeRowConstraint()</div><div class="ttdoc">Creates a constraint with -infinity and +infinity bounds.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a34cfddb524394d766e725ed228f74ea3"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a34cfddb524394d766e725ed228f74ea3">operations_research::MPSolver::CreateSolver</a></div><div class="ttdeci">static MPSolver * CreateSolver(const std::string &solver_id)</div><div class="ttdoc">Recommended factory method to create a MPSolver instance, especially in non C++ languages.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html">operations_research::MPSolver</a></div><div class="ttdoc">This mathematical programming (MP) solver class is the main class though which users build and solve ...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00183">linear_solver.h:183</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a215b66c2ff063ffbf5b538ee402304cb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cb">operations_research::MPSolverParameters::IncrementalityValues</a></div><div class="ttdeci">IncrementalityValues</div><div class="ttdoc">Advanced usage: Incrementality options.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01444">linear_solver.h:1444</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_linear_expr_html"><div class="ttname"><a href="classoperations__research_1_1_linear_expr.html">operations_research::LinearExpr</a></div><div class="ttdoc">LinearExpr models a quantity that is linear in the decision variables (MPVariable) of an optimization...</div><div class="ttdef"><b>Definition:</b> <a href="linear__expr_8h_source.html#l00114">linear_expr.h:114</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aa2cb7bd4cf46dda371f91184d6232a44"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aa2cb7bd4cf46dda371f91184d6232a44">operations_research::MPSolver::OwnsVariable</a></div><div class="ttdeci">bool OwnsVariable(const MPVariable *var) const</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_abc935c6e0cb353e2c61d38ad8af1ed5c"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#abc935c6e0cb353e2c61d38ad8af1ed5c">operations_research::MPVariable::XpressInterface</a></div><div class="ttdeci">friend class XpressInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01170">linear_solver.h:1170</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_aa86377bb63658e23dad3d2d35459c351"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aa86377bb63658e23dad3d2d35459c351">operations_research::MPSolverInterface::SetVariableInteger</a></div><div class="ttdeci">virtual void SetVariableInteger(int index, bool integer)=0</div></div>
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<div class="ttc" id="namespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__expr_8h_source.html#l00084">linear_expr.h:84</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a200ccd114eb5057856c05501c2d4abe5"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a200ccd114eb5057856c05501c2d4abe5">operations_research::MPSolver::MakeBoolVarArray</a></div><div class="ttdeci">void MakeBoolVarArray(int nb, const std::string &name, std::vector< MPVariable * > *vars)</div><div class="ttdoc">Creates an array of boolean variables.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a0623b9007b18f0e4bb078fb6eb4dadaa"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a0623b9007b18f0e4bb078fb6eb4dadaa">operations_research::MPSolverParameters::kUnknownIntegerParamValue</a></div><div class="ttdeci">static const int kUnknownIntegerParamValue</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01470">linear_solver.h:1470</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a236f9752f4df4c5134617330a040ec8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a236f9752f4df4c5134617330a040ec8a">operations_research::MPSolver::SCIPInterface</a></div><div class="ttdeci">friend class SCIPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00838">linear_solver.h:838</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">operations_research::MPSolver::ABNORMAL</a></div><div class="ttdoc">abnormal, i.e., error of some kind.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00449">linear_solver.h:449</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb">operations_research::MPSolverParameters::INCREMENTALITY_OFF</a></div><div class="ttdoc">Start solve from scratch.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01446">linear_solver.h:1446</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a4584733ca3a135bb0e29e7b29988901d"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a4584733ca3a135bb0e29e7b29988901d">operations_research::MPVariable::SetUB</a></div><div class="ttdeci">void SetUB(double ub)</div><div class="ttdoc">Sets the upper bound.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01120">linear_solver.h:1120</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a4584733ca3a135bb0e29e7b29988901d"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a4584733ca3a135bb0e29e7b29988901d">operations_research::MPConstraint::SetUB</a></div><div class="ttdeci">void SetUB(double ub)</div><div class="ttdoc">Sets the upper bound.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01253">linear_solver.h:1253</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257d">operations_research::MPSolverInterface::SynchronizationStatus</a></div><div class="ttdeci">SynchronizationStatus</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01553">linear_solver.h:1553</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_ab0c809243bacbba99e083bddd16ebcaa"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#ab0c809243bacbba99e083bddd16ebcaa">operations_research::MPConstraint::is_lazy</a></div><div class="ttdeci">bool is_lazy() const</div><div class="ttdoc">Advanced usage: returns true if the constraint is "lazy" (see below).</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01259">linear_solver.h:1259</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a858f72e8c0c03339c8d797d41a6fd4b8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a858f72e8c0c03339c8d797d41a6fd4b8">operations_research::MPSolver::SolverVersion</a></div><div class="ttdeci">std::string SolverVersion() const</div><div class="ttdoc">Returns a string describing the underlying solver and its version.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a191cd9b1ba3e3c01a558a1f6c02a4429"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a191cd9b1ba3e3c01a558a1f6c02a4429">operations_research::MPSolver::Name</a></div><div class="ttdeci">const std::string & Name() const</div><div class="ttdoc">Returns the name of the model set at construction.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00283">linear_solver.h:283</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html">operations_research::MPSolverParameters</a></div><div class="ttdoc">This class stores parameter settings for LP and MIP solvers.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01395">linear_solver.h:1395</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a17319eda610037b914917378c873347e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a17319eda610037b914917378c873347e">operations_research::MPSolverInterface::underlying_solver</a></div><div class="ttdeci">virtual void * underlying_solver()=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a2090dbd973eba8c24c4fa7b2714e4c44"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a2090dbd973eba8c24c4fa7b2714e4c44">operations_research::MPSolver::MakeBoolVar</a></div><div class="ttdeci">MPVariable * MakeBoolVar(const std::string &name)</div><div class="ttdoc">Creates a boolean variable.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_aa71d36872f416feaa853788a7a7a7ef8"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#aa71d36872f416feaa853788a7a7a7ef8">operations_research::MPObjective::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdoc">Clears the offset, all variables and coefficients, and the optimization direction.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a77ad9d38d3dfbc7580cd810761dc1df4"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a77ad9d38d3dfbc7580cd810761dc1df4">operations_research::MPSolver::LoadSolutionFromProto</a></div><div class="ttdeci">absl::Status LoadSolutionFromProto(const MPSolutionResponse &response, double tolerance=std::numeric_limits< double >::infinity())</div><div class="ttdoc">Load a solution encoded in a protocol buffer onto this solver for easy access via the MPSolver interf...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ae74ce5ecb0dd3b4bcddb31bd59da7089"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ae74ce5ecb0dd3b4bcddb31bd59da7089">operations_research::MPSolver::LoadModelFromProtoWithUniqueNamesOrDie</a></div><div class="ttdeci">MPSolverResponseStatus LoadModelFromProtoWithUniqueNamesOrDie(const MPModelProto &input_model, std::string *error_message)</div><div class="ttdoc">Loads model from protocol buffer.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_aa9a00625dd56e64b32c97b95445a1b9c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#aa9a00625dd56e64b32c97b95445a1b9c">operations_research::MPSolver::ExportModelAsLpFormat</a></div><div class="ttdeci">bool ExportModelAsLpFormat(bool obfuscate, std::string *model_str) const</div><div class="ttdoc">Shortcuts to the homonymous MPModelProtoExporter methods, via exporting to a MPModelProto with Export...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_model_proto_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_model_proto.html">operations_research::MPModelProto</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l02800">linear_solver.pb.h:2800</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a778ef8300eb8137f21ea4e5558a5013c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a778ef8300eb8137f21ea4e5558a5013c">operations_research::MPSolverInterface::column_status</a></div><div class="ttdeci">virtual MPSolver::BasisStatus column_status(int variable_index) const =0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_ae7cbd08108e1636184f28c1a71c42393"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#ae7cbd08108e1636184f28c1a71c42393">operations_research::MPVariable::CplexInterface</a></div><div class="ttdeci">friend class CplexInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01169">linear_solver.h:1169</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b">operations_research::MPSolverParameters::LP_ALGORITHM</a></div><div class="ttdoc">Algorithm to solve linear programs.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01418">linear_solver.h:1418</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ab17a7a859c6e429296e55570c06337cf"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ab17a7a859c6e429296e55570c06337cf">operations_research::MPSolver::ComputeConstraintActivities</a></div><div class="ttdeci">std::vector< double > ComputeConstraintActivities() const</div><div class="ttdoc">Advanced usage: compute the "activities" of all constraints, which are the sums of their linear terms...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_ad01b184e1c49d8aabd15a268ff976ac8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8">operations_research::MPSolverParameters::PresolveValues</a></div><div class="ttdeci">PresolveValues</div><div class="ttdoc">For each categorical parameter, enumeration of possible values.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01426">linear_solver.h:1426</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_linear_range_html"><div class="ttname"><a href="classoperations__research_1_1_linear_range.html">operations_research::LinearRange</a></div><div class="ttdoc">An expression of the form:</div><div class="ttdef"><b>Definition:</b> <a href="linear__expr_8h_source.html#l00192">linear_expr.h:192</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a65a79c9a017961ace540693943e11d8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a65a79c9a017961ace540693943e11d8a">operations_research::MPSolverInterface::SetPrimalTolerance</a></div><div class="ttdeci">virtual void SetPrimalTolerance(double value)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a880227c1bbe5a1a2a21796a947804615"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a880227c1bbe5a1a2a21796a947804615">operations_research::MPSolver::ExportModelToProto</a></div><div class="ttdeci">void ExportModelToProto(MPModelProto *output_model) const</div><div class="ttdoc">Exports model to protocol buffer.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_aab52a044563f2e8d12b4f16076fd12b0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aab52a044563f2e8d12b4f16076fd12b0">operations_research::MPSolverInterface::SetSolverSpecificParametersAsString</a></div><div class="ttdeci">virtual bool SetSolverSpecificParametersAsString(const std::string &parameters)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ac28a56eeedb62d070578a9231f1875ea"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ac28a56eeedb62d070578a9231f1875ea">operations_research::MPSolver::GurobiInterface</a></div><div class="ttdeci">friend class GurobiInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00839">linear_solver.h:839</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_ab2b08a14c8c4d2242558d3fa6a436e8c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ab2b08a14c8c4d2242558d3fa6a436e8c">operations_research::MPSolverInterface::ResetExtractionInformation</a></div><div class="ttdeci">void ResetExtractionInformation()</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a94743823a7ad3c565902fcf7956d4ae2"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a94743823a7ad3c565902fcf7956d4ae2">operations_research::MPVariable::SetInteger</a></div><div class="ttdeci">void SetInteger(bool integer)</div><div class="ttdoc">Sets the integrality requirement of the variable.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_abc935c6e0cb353e2c61d38ad8af1ed5c"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#abc935c6e0cb353e2c61d38ad8af1ed5c">operations_research::MPObjective::XpressInterface</a></div><div class="ttdeci">friend class XpressInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01062">linear_solver.h:1062</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a88df1fe8e8f2cf9ad859a4f7a6f0d056"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a88df1fe8e8f2cf9ad859a4f7a6f0d056">operations_research::MPSolverInterface::last_variable_index</a></div><div class="ttdeci">int last_variable_index() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01693">linear_solver.h:1693</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8a223fb1b5c8d153d5fef50b8d6f0426e9"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8a223fb1b5c8d153d5fef50b8d6f0426e9">operations_research::MPSolver::CPLEX_MIXED_INTEGER_PROGRAMMING</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00208">linear_solver.h:208</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a8eb213aafa3773dfb6a05d184e61bb8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a8eb213aafa3773dfb6a05d184e61bb8a">operations_research::MPSolver::GetNumThreads</a></div><div class="ttdeci">int GetNumThreads() const</div><div class="ttdoc">Returns the number of threads to be used during solve.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00641">linear_solver.h:641</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a1951547f7333b72da9e7ed9cf61ef129"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a1951547f7333b72da9e7ed9cf61ef129">operations_research::MPSolverInterface::SetUnsupportedDoubleParam</a></div><div class="ttdeci">void SetUnsupportedDoubleParam(MPSolverParameters::DoubleParam param)</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_abbf4c26107aac610a00471f41740b01e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#abbf4c26107aac610a00471f41740b01e">operations_research::MPSolver::LookupConstraintOrNull</a></div><div class="ttdeci">MPConstraint * LookupConstraintOrNull(const std::string &constraint_name) const</div><div class="ttdoc">Looks up a constraint by name, and returns nullptr if it does not exist.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_ad89da59cde106890e11eb0e3f8b460e2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ad89da59cde106890e11eb0e3f8b460e2">operations_research::MPSolverInterface::InterruptSolve</a></div><div class="ttdeci">virtual bool InterruptSolve()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01736">linear_solver.h:1736</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a19476a1c421b9ee05231ee9af2387057"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a19476a1c421b9ee05231ee9af2387057">operations_research::MPSolver::constraint</a></div><div class="ttdeci">MPConstraint * constraint(int index) const</div><div class="ttdoc">Returns the constraint at the given index.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00380">linear_solver.h:380</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html_a221d711fbd5a16db9dc92a3c5095cbf5"><div class="ttname"><a href="namespaceoperations__research.html#a221d711fbd5a16db9dc92a3c5095cbf5">operations_research::kDefaultPrimalTolerance</a></div><div class="ttdeci">constexpr double kDefaultPrimalTolerance</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00168">linear_solver.h:168</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a737bd8130c79449720685c2baba1e28c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a737bd8130c79449720685c2baba1e28c">operations_research::MPSolver::set_time_limit</a></div><div class="ttdeci">void set_time_limit(int64_t time_limit_milliseconds)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00821">linear_solver.h:821</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ae7cbd08108e1636184f28c1a71c42393"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ae7cbd08108e1636184f28c1a71c42393">operations_research::MPSolver::CplexInterface</a></div><div class="ttdeci">friend class CplexInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00840">linear_solver.h:840</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a018794097e44ee8189380eef2b0f267f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a018794097e44ee8189380eef2b0f267f">operations_research::MPSolver::FillSolutionResponseProto</a></div><div class="ttdeci">void FillSolutionResponseProto(MPSolutionResponse *response) const</div><div class="ttdoc">Encodes the current solution in a solution response protocol buffer.</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a2e3afb4a4e412bffafd7052b5dc149ac"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a2e3afb4a4e412bffafd7052b5dc149ac">operations_research::MPSolverInterface::AddVariable</a></div><div class="ttdeci">virtual void AddVariable(MPVariable *const var)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a7f7ed720a6606bc043dee234ca156fc0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a7f7ed720a6606bc043dee234ca156fc0">operations_research::MPSolverInterface::row_status</a></div><div class="ttdeci">virtual MPSolver::BasisStatus row_status(int constraint_index) const =0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a9e7edcae8572bcf2f44afae0232a5f3e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a9e7edcae8572bcf2f44afae0232a5f3e">operations_research::MPSolverInterface::SetStartingLpBasis</a></div><div class="ttdeci">virtual void SetStartingLpBasis(const std::vector< MPSolver::BasisStatus > &variable_statuses, const std::vector< MPSolver::BasisStatus > &constraint_statuses)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01730">linear_solver.h:1730</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a96ffc785b7b2135c7980c985883ffdd3"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">operations_research::MPObjective::offset</a></div><div class="ttdeci">double offset() const</div><div class="ttdoc">Gets the constant term in the objective.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00996">linear_solver.h:996</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a7a302239fbb1f938a513636a6c7a3e2d"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a7a302239fbb1f938a513636a6c7a3e2d">operations_research::MPVariable::reduced_cost</a></div><div class="ttdeci">double reduced_cost() const</div><div class="ttdoc">Advanced usage: returns the reduced cost of the variable in the current solution (only available for ...</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef">operations_research::MPSolver::UNBOUNDED</a></div><div class="ttdoc">proven unbounded.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00447">linear_solver.h:447</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_ab88dd6ee21935e6f7ce99012f9c467a4"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#ab88dd6ee21935e6f7ce99012f9c467a4">operations_research::MPVariable::set_reduced_cost</a></div><div class="ttdeci">void set_reduced_cost(double reduced_cost)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01192">linear_solver.h:1192</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_html_ad58dd106d6ce5869923cc448621066d6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ad58dd106d6ce5869923cc448621066d6">operations_research::MPSolver::time_limit_in_secs</a></div><div class="ttdeci">double time_limit_in_secs() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00826">linear_solver.h:826</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_addbc1b5c5e43ec84e2ffc8ec3ab9d830"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#addbc1b5c5e43ec84e2ffc8ec3ab9d830">operations_research::MPObjective::SetOptimizationDirection</a></div><div class="ttdeci">void SetOptimizationDirection(bool maximize)</div><div class="ttdoc">Sets the optimization direction (maximize: true or minimize: false).</div></div>
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<div class="ttc" id="namespaceoperations__research_html_ac417714eb4dbaf83717bb2aa9affc689"><div class="ttname"><a href="namespaceoperations__research.html#ac417714eb4dbaf83717bb2aa9affc689">operations_research::MPModelRequest_SolverType</a></div><div class="ttdeci">MPModelRequest_SolverType</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00199">linear_solver.pb.h:199</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solution_response_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solution_response.html">operations_research::MPSolutionResponse</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l04478">linear_solver.pb.h:4478</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_ab98fea2f5c1fd6b9b139aae267a143a8"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ab98fea2f5c1fd6b9b139aae267a143a8">operations_research::MPSolverInterface::variable_is_extracted</a></div><div class="ttdeci">bool variable_is_extracted(int var_index) const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01695">linear_solver.h:1695</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a236f9752f4df4c5134617330a040ec8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a236f9752f4df4c5134617330a040ec8a">operations_research::MPVariable::SCIPInterface</a></div><div class="ttdeci">friend class SCIPInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01166">linear_solver.h:1166</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_interface_html_a69a40a8abff72ce66c2375c3dc81e416"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a69a40a8abff72ce66c2375c3dc81e416">operations_research::MPSolverInterface::SetParameters</a></div><div class="ttdeci">virtual void SetParameters(const MPSolverParameters &param)=0</div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_objective_html_a0ae674872034b9d61b389da66cb9503a"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a0ae674872034b9d61b389da66cb9503a">operations_research::MPObjective::SetMaximization</a></div><div class="ttdeci">void SetMaximization()</div><div class="ttdoc">Sets the optimization direction to maximize.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01023">linear_solver.h:1023</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_variable_html_a2bf24627eb5f1b609cd2704bddc3750d"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html#a2bf24627eb5f1b609cd2704bddc3750d">operations_research::MPVariable::branching_priority</a></div><div class="ttdeci">int branching_priority() const</div><div class="ttdoc">Advanced usage: Certain MIP solvers (e.g.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01157">linear_solver.h:1157</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_ac7502afa7413b2969adcfe572accefde"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#ac7502afa7413b2969adcfe572accefde">operations_research::MPConstraint::set_is_lazy</a></div><div class="ttdeci">void set_is_lazy(bool laziness)</div><div class="ttdoc">Advanced usage: sets the constraint "laziness".</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01274">linear_solver.h:1274</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_solver_parameters_html_a25a1112e410b183f49ef4ce8da1bdc74ab3f9de74d2d20c2eebcec60b7273d485"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a25a1112e410b183f49ef4ce8da1bdc74ab3f9de74d2d20c2eebcec60b7273d485">operations_research::MPSolverParameters::SCALING_OFF</a></div><div class="ttdoc">Scaling is off.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01458">linear_solver.h:1458</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_constraint_html_a7383308e6b9b63b18196798db342ce8a"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html#a7383308e6b9b63b18196798db342ce8a">operations_research::MPConstraint::BopInterface</a></div><div class="ttdeci">friend class BopInterface</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01314">linear_solver.h:1314</a></div></div>
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