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268 lines
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<div class="headertitle"><div class="title">pdlp_proto_solver.cc</div></div>
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<a href="pdlp__proto__solver_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="pdlp__proto__solver_8h.html">ortools/linear_solver/pdlp_proto_solver.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <atomic></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <optional></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="base_2status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "ortools/linear_solver/linear_solver.pb.h"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="linear__solver_2model__validator_8h.html">ortools/linear_solver/model_validator.h</a>"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="iteration__stats_8h.html">ortools/pdlp/iteration_stats.h</a>"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "<a class="code" href="primal__dual__hybrid__gradient_8h.html">ortools/pdlp/primal_dual_hybrid_gradient.h</a>"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="quadratic__program_8h.html">ortools/pdlp/quadratic_program.h</a>"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "ortools/pdlp/solve_log.pb.h"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "ortools/pdlp/solvers.pb.h"</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="lazy__mutable__copy_8h.html">ortools/util/lazy_mutable_copy.h</a>"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#ad5d530326e224ed508cb2da39bda6d9b"> 36</a></span>absl::StatusOr<MPSolutionResponse> <a class="code hl_function" href="namespaceoperations__research.html#ad5d530326e224ed508cb2da39bda6d9b">PdlpSolveProto</a>(</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">const</span> MPModelRequest& request, <span class="keyword">const</span> <span class="keywordtype">bool</span> relax_integer_variables,</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">const</span> std::atomic<bool>* interrupt_solve) {</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> pdlp::PrimalDualHybridGradientParams params;</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">if</span> (request.enable_internal_solver_output()) {</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> params.set_verbosity_level(3);</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> params.set_verbosity_level(0);</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> MPSolutionResponse error_response;</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research.html#a35aef0bf8960ddc77cec32ab5d5aa885">ProtobufTextFormatMergeFromString</a>(request.solver_specific_parameters(),</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> &params)) {</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> error_response.set_status(</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> MPSolverResponseStatus::MPSOLVER_MODEL_INVALID_SOLVER_PARAMETERS);</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">return</span> error_response;</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> }</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">if</span> (interrupt_solve != <span class="keyword">nullptr</span> && interrupt_solve->load() == <span class="keyword">true</span>) {</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> error_response.set_status(MPSolverResponseStatus::MPSOLVER_NOT_SOLVED);</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">return</span> error_response;</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> }</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">if</span> (request.has_solver_time_limit_seconds()) {</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> params.mutable_termination_criteria()->set_time_sec_limit(</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> request.solver_time_limit_seconds());</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">const</span> absl::optional<LazyMutableCopy<MPModelProto>> optional_model =</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <a class="code hl_function" href="namespaceoperations__research.html#a9719cad5eece9b747a6332dd39126f0c">ExtractValidMPModelOrPopulateResponseStatus</a>(request, &error_response);</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">if</span> (!optional_model) {</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_define" href="base_2logging_8h.html#a09f7d88282cf92c9f231270ac113e5c6">LOG_IF</a>(<a class="code hl_variable" href="log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7">WARNING</a>, request.enable_internal_solver_output())</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> << <span class="stringliteral">"Failed to extract a valid model from protocol buffer. Status: "</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> << ProtoEnumToString<MPSolverResponseStatus>(error_response.status())</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> << <span class="stringliteral">" ("</span> << error_response.status()</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> << <span class="stringliteral">"): "</span> << error_response.status_str();</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> error_response;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_struct" href="structoperations__research_1_1pdlp_1_1_quadratic_program.html">pdlp::QuadraticProgram</a> qp,</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a007a657dbfa4e0e820e0d9af4d8d27a2">pdlp::QpFromMpModelProto</a>(optional_model->get(), relax_integer_variables));</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">const</span> <span class="keywordtype">double</span> objective_scaling_factor = qp.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_quadratic_program.html#a18b5b62c2150cdcf678427d52b05a949">objective_scaling_factor</a>;</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <a class="code hl_struct" href="structoperations__research_1_1pdlp_1_1_solver_result.html">pdlp::SolverResult</a> pdhg_result =</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#ac43b4c39d3be5e0bced44530d50f8208">pdlp::PrimalDualHybridGradient</a>(std::move(qp), params, interrupt_solve);</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// PDLP's statuses don't map very cleanly to MPSolver statuses. Do the best</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// we can for now.</span></div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> MPSolutionResponse <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">switch</span> (pdhg_result.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_solver_result.html#a365551ee87d4c047b1a0a06eedc41faf">solve_log</a>.termination_reason()) {</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">case</span> pdlp::TERMINATION_REASON_OPTIMAL:</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(MPSOLVER_OPTIMAL);</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">case</span> pdlp::TERMINATION_REASON_NUMERICAL_ERROR:</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(MPSOLVER_ABNORMAL);</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">case</span> pdlp::TERMINATION_REASON_PRIMAL_INFEASIBLE:</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(MPSOLVER_INFEASIBLE);</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">case</span> pdlp::TERMINATION_REASON_INTERRUPTED_BY_USER:</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(MPSOLVER_CANCELLED_BY_USER);</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(MPSOLVER_NOT_SOLVED);</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> }</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">if</span> (pdhg_result.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_solver_result.html#a365551ee87d4c047b1a0a06eedc41faf">solve_log</a>.has_termination_string()) {</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(pdhg_result.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_solver_result.html#a365551ee87d4c047b1a0a06eedc41faf">solve_log</a>.termination_string());</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">const</span> std::optional<pdlp::ConvergenceInformation> convergence_information =</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a7b93e1d980b7d8112423361ac15a0c28">pdlp::GetConvergenceInformation</a>(pdhg_result.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_solver_result.html#a365551ee87d4c047b1a0a06eedc41faf">solve_log</a>.solution_stats(),</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> pdhg_result.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_solver_result.html#a365551ee87d4c047b1a0a06eedc41faf">solve_log</a>.solution_type());</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">if</span> (convergence_information.has_value()) {</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_objective_value(convergence_information->primal_objective());</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// variable_value and dual_value are supposed to be set iff 'status' is</span></div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// OPTIMAL or FEASIBLE. However, we set them in all cases.</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">double</span> v : pdhg_result.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_solver_result.html#aba446ee2bbf0217015660220ecf8d935">primal_solution</a>) {</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.add_variable_value(v);</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> }</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// QpFromMpModelProto converts maximization problems to minimization problems</span></div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// for PDLP by negating the objective and setting objective_scaling_factor to</span></div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// -1. This maintains the same set of primal solutions. Dual solutions need to</span></div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// be negated if objective_scaling_factor is -1.</span></div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">double</span> v : pdhg_result.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_solver_result.html#a7240a2ad18b5d152e29675e53bcd117d">dual_solution</a>) {</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.add_dual_value(objective_scaling_factor * v);</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> }</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">double</span> v : pdhg_result.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_solver_result.html#a8d7bbc7423c1c9f57c94de234c72ae47">reduced_costs</a>) {</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.add_reduced_cost(objective_scaling_factor * v);</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> }</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_solver_specific_info(pdhg_result.<a class="code hl_variable" href="structoperations__research_1_1pdlp_1_1_solver_result.html#a365551ee87d4c047b1a0a06eedc41faf">solve_log</a>.SerializeAsString());</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span>}</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a09f7d88282cf92c9f231270ac113e5c6"><div class="ttname"><a href="base_2logging_8h.html#a09f7d88282cf92c9f231270ac113e5c6">LOG_IF</a></div><div class="ttdeci">#define LOG_IF(severity, condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00479">base/logging.h:479</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html"><div class="ttname"><a href="base_2status__macros_8h.html">status_macros.h</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_a600de4b8f65fe0a4b1898041634f9011"><div class="ttname"><a href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a></div><div class="ttdeci">#define ASSIGN_OR_RETURN(lhs, rexpr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00046">base/status_macros.h:46</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_abcd33b18ce6d5a90a4ba5c37cfa58829"><div class="ttname"><a href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a></div><div class="ttdeci">SharedResponseManager * response</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02052">cp_model_solver.cc:2052</a></div></div>
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<div class="ttc" id="aiteration__stats_8h_html"><div class="ttname"><a href="iteration__stats_8h.html">iteration_stats.h</a></div></div>
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<div class="ttc" id="alazy__mutable__copy_8h_html"><div class="ttname"><a href="lazy__mutable__copy_8h.html">lazy_mutable_copy.h</a></div></div>
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<div class="ttc" id="alinear__solver_2model__validator_8h_html"><div class="ttname"><a href="linear__solver_2model__validator_8h.html">model_validator.h</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_a50e5762f38854b37ee3e2851bc1bb0e7"><div class="ttname"><a href="log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7">WARNING</a></div><div class="ttdeci">const int WARNING</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_a007a657dbfa4e0e820e0d9af4d8d27a2"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#a007a657dbfa4e0e820e0d9af4d8d27a2">operations_research::pdlp::QpFromMpModelProto</a></div><div class="ttdeci">absl::StatusOr< QuadraticProgram > QpFromMpModelProto(const MPModelProto &proto, bool relax_integer_variables, bool include_names)</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program_8cc_source.html#l00094">quadratic_program.cc:94</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_a7b93e1d980b7d8112423361ac15a0c28"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#a7b93e1d980b7d8112423361ac15a0c28">operations_research::pdlp::GetConvergenceInformation</a></div><div class="ttdeci">absl::optional< ConvergenceInformation > GetConvergenceInformation(const IterationStats &stats, PointType candidate_type)</div><div class="ttdef"><b>Definition:</b> <a href="iteration__stats_8cc_source.html#l00507">iteration_stats.cc:507</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_ac43b4c39d3be5e0bced44530d50f8208"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#ac43b4c39d3be5e0bced44530d50f8208">operations_research::pdlp::PrimalDualHybridGradient</a></div><div class="ttdeci">SolverResult PrimalDualHybridGradient(QuadraticProgram qp, const PrimalDualHybridGradientParams &params, const std::atomic< bool > *interrupt_solve, IterationStatsCallback iteration_stats_callback)</div><div class="ttdef"><b>Definition:</b> <a href="primal__dual__hybrid__gradient_8cc_source.html#l01867">primal_dual_hybrid_gradient.cc:1867</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a35aef0bf8960ddc77cec32ab5d5aa885"><div class="ttname"><a href="namespaceoperations__research.html#a35aef0bf8960ddc77cec32ab5d5aa885">operations_research::ProtobufTextFormatMergeFromString</a></div><div class="ttdeci">bool ProtobufTextFormatMergeFromString(const std::string &proto_text_string, ProtoType *proto)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00063">port/proto_utils.h:63</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a9719cad5eece9b747a6332dd39126f0c"><div class="ttname"><a href="namespaceoperations__research.html#a9719cad5eece9b747a6332dd39126f0c">operations_research::ExtractValidMPModelOrPopulateResponseStatus</a></div><div class="ttdeci">absl::optional< LazyMutableCopy< MPModelProto > > ExtractValidMPModelOrPopulateResponseStatus(const MPModelRequest &request, MPSolutionResponse *response)</div><div class="ttdoc">If the model is valid and non-empty, returns it (possibly after extracting the model_delta).</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_2model__validator_8cc_source.html#l00681">linear_solver/model_validator.cc:681</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ad5d530326e224ed508cb2da39bda6d9b"><div class="ttname"><a href="namespaceoperations__research.html#ad5d530326e224ed508cb2da39bda6d9b">operations_research::PdlpSolveProto</a></div><div class="ttdeci">absl::StatusOr< MPSolutionResponse > PdlpSolveProto(const MPModelRequest &request, const bool relax_integer_variables, const std::atomic< bool > *interrupt_solve)</div><div class="ttdef"><b>Definition:</b> <a href="pdlp__proto__solver_8cc_source.html#l00036">pdlp_proto_solver.cc:36</a></div></div>
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<div class="ttc" id="apdlp__proto__solver_8h_html"><div class="ttname"><a href="pdlp__proto__solver_8h.html">pdlp_proto_solver.h</a></div></div>
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<div class="ttc" id="aport_2proto__utils_8h_html"><div class="ttname"><a href="port_2proto__utils_8h.html">proto_utils.h</a></div></div>
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<div class="ttc" id="aprimal__dual__hybrid__gradient_8h_html"><div class="ttname"><a href="primal__dual__hybrid__gradient_8h.html">primal_dual_hybrid_gradient.h</a></div></div>
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<div class="ttc" id="aquadratic__program_8h_html"><div class="ttname"><a href="quadratic__program_8h.html">quadratic_program.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1pdlp_1_1_quadratic_program_html"><div class="ttname"><a href="structoperations__research_1_1pdlp_1_1_quadratic_program.html">operations_research::pdlp::QuadraticProgram</a></div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program_8h_source.html#l00054">quadratic_program.h:54</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1pdlp_1_1_quadratic_program_html_a18b5b62c2150cdcf678427d52b05a949"><div class="ttname"><a href="structoperations__research_1_1pdlp_1_1_quadratic_program.html#a18b5b62c2150cdcf678427d52b05a949">operations_research::pdlp::QuadraticProgram::objective_scaling_factor</a></div><div class="ttdeci">double objective_scaling_factor</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program_8h_source.html#l00143">quadratic_program.h:143</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1pdlp_1_1_solver_result_html"><div class="ttname"><a href="structoperations__research_1_1pdlp_1_1_solver_result.html">operations_research::pdlp::SolverResult</a></div><div class="ttdef"><b>Definition:</b> <a href="primal__dual__hybrid__gradient_8h_source.html#l00061">primal_dual_hybrid_gradient.h:61</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1pdlp_1_1_solver_result_html_a365551ee87d4c047b1a0a06eedc41faf"><div class="ttname"><a href="structoperations__research_1_1pdlp_1_1_solver_result.html#a365551ee87d4c047b1a0a06eedc41faf">operations_research::pdlp::SolverResult::solve_log</a></div><div class="ttdeci">SolveLog solve_log</div><div class="ttdef"><b>Definition:</b> <a href="primal__dual__hybrid__gradient_8h_source.html#l00067">primal_dual_hybrid_gradient.h:67</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1pdlp_1_1_solver_result_html_a7240a2ad18b5d152e29675e53bcd117d"><div class="ttname"><a href="structoperations__research_1_1pdlp_1_1_solver_result.html#a7240a2ad18b5d152e29675e53bcd117d">operations_research::pdlp::SolverResult::dual_solution</a></div><div class="ttdeci">Eigen::VectorXd dual_solution</div><div class="ttdef"><b>Definition:</b> <a href="primal__dual__hybrid__gradient_8h_source.html#l00065">primal_dual_hybrid_gradient.h:65</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1pdlp_1_1_solver_result_html_a8d7bbc7423c1c9f57c94de234c72ae47"><div class="ttname"><a href="structoperations__research_1_1pdlp_1_1_solver_result.html#a8d7bbc7423c1c9f57c94de234c72ae47">operations_research::pdlp::SolverResult::reduced_costs</a></div><div class="ttdeci">Eigen::VectorXd reduced_costs</div><div class="ttdef"><b>Definition:</b> <a href="primal__dual__hybrid__gradient_8h_source.html#l00066">primal_dual_hybrid_gradient.h:66</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1pdlp_1_1_solver_result_html_aba446ee2bbf0217015660220ecf8d935"><div class="ttname"><a href="structoperations__research_1_1pdlp_1_1_solver_result.html#aba446ee2bbf0217015660220ecf8d935">operations_research::pdlp::SolverResult::primal_solution</a></div><div class="ttdeci">Eigen::VectorXd primal_solution</div><div class="ttdef"><b>Definition:</b> <a href="primal__dual__hybrid__gradient_8h_source.html#l00062">primal_dual_hybrid_gradient.h:62</a></div></div>
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