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660 lines
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<div class="headertitle"><div class="title">glop_solver.cc</div></div>
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<a href="glop__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="glop__solver_8h.html">ortools/math_opt/solvers/glop_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 <algorithm></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</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="integral__types_8h.html">ortools/base/integral_types.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 "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/memory/memory.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "absl/strings/str_cat.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 "absl/strings/str_join.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 "absl/strings/string_view.h"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "absl/time/clock.h"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "absl/time/time.h"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "absl/types/span.h"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "<a class="code" href="int__type_8h.html">ortools/base/int_type.h</a>"</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "<a class="code" href="strong__vector_8h.html">ortools/base/strong_vector.h</a>"</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "<a class="code" href="lp__solver_8h.html">ortools/glop/lp_solver.h</a>"</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "<a class="code" href="parameters_8pb_8h.html">ortools/glop/parameters.pb.h</a>"</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "<a class="code" href="lp__data_8h.html">ortools/lp_data/lp_data.h</a>"</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include "<a class="code" href="lp__types_8h.html">ortools/lp_data/lp_types.h</a>"</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include "ortools/math_opt/callback.pb.h"</span></div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include "<a class="code" href="math__opt__proto__utils_8h.html">ortools/math_opt/core/math_opt_proto_utils.h</a>"</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor">#include "<a class="code" href="solver__interface_8h.html">ortools/math_opt/core/solver_interface.h</a>"</span></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#include "<a class="code" href="sparse__vector__view_8h.html">ortools/math_opt/core/sparse_vector_view.h</a>"</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor">#include "ortools/math_opt/model.pb.h"</span></div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="preprocessor">#include "ortools/math_opt/model_parameters.pb.h"</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor">#include "ortools/math_opt/model_update.pb.h"</span></div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="preprocessor">#include "ortools/math_opt/parameters.pb.h"</span></div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="preprocessor">#include "ortools/math_opt/result.pb.h"</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="preprocessor">#include "ortools/math_opt/solution.pb.h"</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="preprocessor">#include "ortools/math_opt/sparse_containers.pb.h"</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</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="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="preprocessor">#include "<a class="code" href="protoutil_8h.html">ortools/base/protoutil.h</a>"</span></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="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="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="keyword">namespace </span>math_opt {</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keyword">namespace </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>absl::string_view SafeName(<span class="keyword">const</span> VariablesProto& variables, <span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">if</span> (variables.names().empty()) {</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span> {};</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> }</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> variables.names(<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span>}</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span>absl::string_view SafeName(<span class="keyword">const</span> LinearConstraintsProto& linear_constraints,</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">if</span> (linear_constraints.names().empty()) {</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> {};</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> linear_constraints.names(<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>}</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><a class="code hl_enumeration" href="classoperations__research_1_1glop_1_1_linear_program.html#ac62972ff1b21a037e56530cde67309ab">glop::LinearProgram::VariableType</a> GlopVarTypeFromIsInteger(</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> is_integer) {</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> is_integer ? <a class="code hl_enumvalue" href="classoperations__research_1_1glop_1_1_linear_program.html#ac62972ff1b21a037e56530cde67309aba5d5cd46919fa987731fb2edefe0f2a0c">glop::LinearProgram::VariableType::INTEGER</a></div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> : <a class="code hl_enumvalue" href="classoperations__research_1_1glop_1_1_linear_program.html#ac62972ff1b21a037e56530cde67309abab1fa9dd3af034b3ef4291579aa673c07">glop::LinearProgram::VariableType::CONTINUOUS</a>;</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>}</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span>} <span class="comment">// namespace</span></div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span>GlopSolver::GlopSolver() : linear_program_(), lp_solver_() {}</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="keywordtype">void</span> GlopSolver::AddVariables(<span class="keyword">const</span> VariablesProto& variables) {</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a3055f8b845cde39af2c3bed9007d4a06">NumVariables</a>(variables); ++i) {</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">const</span> glop::ColIndex col_index = linear_program_.CreateNewVariable();</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> linear_program_.SetVariableBounds(col_index, variables.lower_bounds(i),</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> variables.upper_bounds(i));</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> linear_program_.SetVariableName(col_index, SafeName(variables, i));</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> linear_program_.SetVariableType(</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> col_index, GlopVarTypeFromIsInteger(variables.integers(i)));</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <a class="code hl_function" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&variables_, variables.ids(i), col_index);</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span>}</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="comment">// Note that this relies on the fact that when variable/constraint</span></div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="comment">// are deleted, Glop re-index everything by compacting the</span></div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="comment">// index domain in a stable way.</span></div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="keyword">template</span> <<span class="keyword">typename</span> IndexType></div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a266628d6b96d7113d9b30c96288f6b50"> 103</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a266628d6b96d7113d9b30c96288f6b50">UpdateIdIndexMap</a>(<a class="code hl_class" href="classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html">glop::StrictITIVector<IndexType, bool></a> indices_to_delete,</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> IndexType num_indices,</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> absl::flat_hash_map<int64_t, IndexType>& id_index_map) {</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_class" href="classabsl_1_1_strong_vector.html">absl::StrongVector<IndexType, IndexType></a> new_indices(</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> num_indices.value(), IndexType(0));</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> IndexType new_index(0);</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">for</span> (IndexType <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>(0); <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> < num_indices; ++<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">if</span> (indices_to_delete[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]) {</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// Mark deleted index</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> new_indices[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] = IndexType(-1);</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> new_indices[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] = new_index;</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> ++new_index;</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> }</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = id_index_map.begin(); it != id_index_map.end();) {</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> IndexType <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = it->second;</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">if</span> (indices_to_delete[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]) {</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="comment">// This safely deletes the entry and moves the iterator one step ahead.</span></div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> id_index_map.erase(it++);</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> it->second = new_indices[<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> ++it;</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> }</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> </div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="keywordtype">void</span> GlopSolver::DeleteVariables(absl::Span<const int64_t> ids_to_delete) {</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keyword">const</span> glop::ColIndex num_cols = linear_program_.num_variables();</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_class" href="classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html">glop::StrictITIVector<glop::ColIndex, bool></a> columns_to_delete(num_cols,</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">false</span>);</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t deleted_variable_id : ids_to_delete) {</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> columns_to_delete[variables_.at(deleted_variable_id)] = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> linear_program_.DeleteColumns(columns_to_delete);</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> UpdateIdIndexMap<glop::ColIndex>(columns_to_delete, num_cols, variables_);</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span>}</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span><span class="keywordtype">void</span> GlopSolver::DeleteLinearConstraints(</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> absl::Span<const int64_t> ids_to_delete) {</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">const</span> glop::RowIndex num_rows = linear_program_.num_constraints();</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <a class="code hl_typedef" href="namespaceoperations__research_1_1glop.html#aec7177dd4fab33ada14a7689223fe89f">glop::DenseBooleanColumn</a> rows_to_delete(num_rows, <span class="keyword">false</span>);</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t deleted_constraint_id : ids_to_delete) {</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> rows_to_delete[linear_constraints_.at(deleted_constraint_id)] = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> linear_program_.DeleteRows(rows_to_delete);</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> UpdateIdIndexMap<glop::RowIndex>(rows_to_delete, num_rows,</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> linear_constraints_);</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span>}</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="keywordtype">void</span> GlopSolver::AddLinearConstraints(</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">const</span> LinearConstraintsProto& linear_constraints) {</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a98600a28f0f805ae0cbe04802b0dcbc4">NumConstraints</a>(linear_constraints); ++i) {</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">const</span> glop::RowIndex row_index = linear_program_.CreateNewConstraint();</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> linear_program_.SetConstraintBounds(row_index,</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> linear_constraints.lower_bounds(i),</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> linear_constraints.upper_bounds(i));</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> linear_program_.SetConstraintName(row_index,</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> SafeName(linear_constraints, i));</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <a class="code hl_function" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&linear_constraints_, linear_constraints.ids(i),</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> row_index);</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> }</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span>}</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span><span class="keywordtype">void</span> GlopSolver::SetOrUpdateObjectiveCoefficients(</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keyword">const</span> SparseDoubleVectorProto& linear_objective_coefficients) {</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < linear_objective_coefficients.ids_size(); ++i) {</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">const</span> glop::ColIndex col_index =</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> variables_.at(linear_objective_coefficients.ids(i));</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> linear_program_.SetObjectiveCoefficient(</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> col_index, linear_objective_coefficients.values(i));</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> }</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span>}</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> </div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span><span class="keywordtype">void</span> GlopSolver::SetOrUpdateConstraintMatrix(</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">const</span> SparseDoubleMatrixProto& linear_constraint_matrix) {</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a1c3bab427ac8280d7b32019b88ec59b4">NumMatrixNonzeros</a>(linear_constraint_matrix); ++j) {</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">const</span> glop::ColIndex col_index =</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> variables_.at(linear_constraint_matrix.column_ids(j));</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">const</span> glop::RowIndex row_index =</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> linear_constraints_.at(linear_constraint_matrix.row_ids(j));</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a> = linear_constraint_matrix.coefficients(j);</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> linear_program_.SetCoefficient(row_index, col_index, <a class="code hl_variable" href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a>);</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> }</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span>}</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span><span class="keywordtype">void</span> GlopSolver::UpdateVariableBounds(</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keyword">const</span> VariableUpdatesProto& variable_updates) {</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, lb] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(variable_updates.lower_bounds())) {</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">const</span> <span class="keyword">auto</span> col_index = variables_.at(<span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> linear_program_.SetVariableBounds(</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> col_index, lb, linear_program_.variable_upper_bounds()[col_index]);</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> }</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, ub] : <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(variable_updates.upper_bounds())) {</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">const</span> <span class="keyword">auto</span> col_index = variables_.at(<span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> linear_program_.SetVariableBounds(</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> col_index, linear_program_.variable_lower_bounds()[col_index], ub);</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> }</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span>}</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="keywordtype">void</span> GlopSolver::UpdateLinearConstraintBounds(</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keyword">const</span> LinearConstraintUpdatesProto& linear_constraint_updates) {</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, lb] :</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(linear_constraint_updates.lower_bounds())) {</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">const</span> <span class="keyword">auto</span> row_index = linear_constraints_.at(<span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> linear_program_.SetConstraintBounds(</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> row_index, lb, linear_program_.constraint_upper_bounds()[row_index]);</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> }</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, ub] :</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(linear_constraint_updates.upper_bounds())) {</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keyword">const</span> <span class="keyword">auto</span> row_index = linear_constraints_.at(<span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> linear_program_.SetConstraintBounds(</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> row_index, linear_program_.constraint_lower_bounds()[row_index], ub);</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> }</div>
|
|
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span>}</div>
|
|
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> </div>
|
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span>std::pair<glop::GlopParameters, std::vector<std::string>></div>
|
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_glop_solver.html#a2416f89c8bcbd4cc7a423939cba6e466"> 221</a></span>GlopSolver::MergeCommonParameters(</div>
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|
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keyword">const</span> CommonSolveParametersProto& common_solver_parameters,</div>
|
|
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1glop_1_1_glop_parameters.html">glop::GlopParameters</a>& glop_parameters) {</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <a class="code hl_class" href="classoperations__research_1_1glop_1_1_glop_parameters.html">glop::GlopParameters</a> result = glop_parameters;</div>
|
|
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> std::vector<std::string> warnings;</div>
|
|
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">if</span> (!result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#a9a37f4c3139bc8fa1e619a96d9a8ee36">has_max_time_in_seconds</a>() &&</div>
|
|
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> common_solver_parameters.has_time_limit()) {</div>
|
|
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keyword">const</span> absl::Duration <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a> =</div>
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|
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <a class="code hl_function" href="namespaceutil__time.html#a801584734c5b3898f94cf932202b2eb7">util_time::DecodeGoogleApiProto</a>(common_solver_parameters.time_limit())</div>
|
|
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> .value();</div>
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|
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#ad7217afa0f5bd97642d0d2291068c7f9">set_max_time_in_seconds</a>(absl::ToDoubleSeconds(<a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>));</div>
|
|
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> }</div>
|
|
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordflow">if</span> (!result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#acfca10297d23b5aebc8c01b7d8023459">has_log_search_progress</a>()) {</div>
|
|
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#ab055fe5de5ab455c769387b42059f031">set_log_search_progress</a>(common_solver_parameters.enable_output());</div>
|
|
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> }</div>
|
|
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">if</span> (!result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#adee2455a4689e2e8d7e0bf4a732858fe">has_num_omp_threads</a>() && common_solver_parameters.has_threads()) {</div>
|
|
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#aec5a8ff1609c3678e3570ade56bcd2b2">set_num_omp_threads</a>(common_solver_parameters.threads());</div>
|
|
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> }</div>
|
|
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">if</span> (!result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#a323d8deb60e59c2fd9588203c0e4d3ec">has_random_seed</a>() && common_solver_parameters.has_random_seed()) {</div>
|
|
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">const</span> <span class="keywordtype">int</span> random_seed = <a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(0, common_solver_parameters.random_seed());</div>
|
|
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#aa148eda9a432e6c798d9e2eecc8645f4">set_random_seed</a>(random_seed);</div>
|
|
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> }</div>
|
|
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">if</span> (!result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#a3814b345633d02d68ccdabbd407355b0">has_use_dual_simplex</a>() &&</div>
|
|
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> common_solver_parameters.lp_algorithm() != LP_ALGORITHM_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">switch</span> (common_solver_parameters.lp_algorithm()) {</div>
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|
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">case</span> LP_ALGORITHM_PRIMAL_SIMPLEX:</div>
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|
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#af45fa89aaa5c18797516e729e5d127e8">set_use_dual_simplex</a>(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordflow">case</span> LP_ALGORITHM_DUAL_SIMPLEX:</div>
|
|
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#af45fa89aaa5c18797516e729e5d127e8">set_use_dual_simplex</a>(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordflow">case</span> LP_ALGORITHM_BARRIER:</div>
|
|
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> warnings.push_back(</div>
|
|
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="stringliteral">"GLOP does not support 'LP_ALGORITHM_BARRIER' value for "</span></div>
|
|
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="stringliteral">"'lp_algorithm' parameter."</span>);</div>
|
|
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"LPAlgorithm: "</span></div>
|
|
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_solver_parameters.lp_algorithm())</div>
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|
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> << <span class="stringliteral">" unknown, error setting GLOP parameters"</span>;</div>
|
|
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> }</div>
|
|
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> }</div>
|
|
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keywordflow">if</span> (!result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#a8da724afc4ba1d808da0c26d6fb11f40">has_use_scaling</a>() && !result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#afd621877a52ac6eb749509f827a37735">has_scaling_method</a>() &&</div>
|
|
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> common_solver_parameters.scaling() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">switch</span> (common_solver_parameters.scaling()) {</div>
|
|
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#aaf2c5894d4de9c56b49f32b26fd0d9a3">set_use_scaling</a>(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#aaf2c5894d4de9c56b49f32b26fd0d9a3">set_use_scaling</a>(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#a37b4b745841f278e5ae1e5979978599f">set_scaling_method</a>(glop::GlopParameters::EQUILIBRATION);</div>
|
|
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#aaf2c5894d4de9c56b49f32b26fd0d9a3">set_use_scaling</a>(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#a37b4b745841f278e5ae1e5979978599f">set_scaling_method</a>(glop::GlopParameters::LINEAR_PROGRAM);</div>
|
|
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Scaling emphasis: "</span></div>
|
|
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_solver_parameters.scaling())</div>
|
|
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> << <span class="stringliteral">" unknown, error setting GLOP parameters"</span>;</div>
|
|
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> }</div>
|
|
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> }</div>
|
|
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keywordflow">if</span> (!result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#abf1aca8cc5065256d92ebc5dd86c99be">has_use_preprocessing</a>() &&</div>
|
|
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> common_solver_parameters.presolve() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="keywordflow">switch</span> (common_solver_parameters.presolve()) {</div>
|
|
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">case</span> EMPHASIS_OFF:</div>
|
|
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#aab35cfcfaade222f6dcb5203e54bbb2b">set_use_preprocessing</a>(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="keywordflow">case</span> EMPHASIS_LOW:</div>
|
|
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordflow">case</span> EMPHASIS_MEDIUM:</div>
|
|
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">case</span> EMPHASIS_HIGH:</div>
|
|
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="keywordflow">case</span> EMPHASIS_VERY_HIGH:</div>
|
|
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> result.<a class="code hl_function" href="classoperations__research_1_1glop_1_1_glop_parameters.html#aab35cfcfaade222f6dcb5203e54bbb2b">set_use_preprocessing</a>(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Presolve emphasis: "</span></div>
|
|
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> << <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_solver_parameters.presolve())</div>
|
|
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> << <span class="stringliteral">" unknown, error setting GLOP parameters"</span>;</div>
|
|
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> }</div>
|
|
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> }</div>
|
|
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keywordflow">if</span> (common_solver_parameters.cuts() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> warnings.push_back(absl::StrCat(</div>
|
|
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="stringliteral">"GLOP does not support 'cuts' parameters, but cuts was set to: "</span>,</div>
|
|
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_solver_parameters.cuts())));</div>
|
|
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> }</div>
|
|
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="keywordflow">if</span> (common_solver_parameters.heuristics() != EMPHASIS_UNSPECIFIED) {</div>
|
|
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> warnings.push_back(</div>
|
|
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> absl::StrCat(<span class="stringliteral">"GLOP does not support 'heuristics' parameter, but "</span></div>
|
|
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="stringliteral">"heuristics was set to: "</span>,</div>
|
|
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <a class="code hl_function" href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">ProtoEnumToString</a>(common_solver_parameters.heuristics())));</div>
|
|
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> }</div>
|
|
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">return</span> std::make_pair(std::move(result), std::move(warnings));</div>
|
|
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span>}</div>
|
|
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> </div>
|
|
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_glop_solver.html#a1dcbb1374e91747a2db097361b091c8b"> 317</a></span><span class="keywordtype">bool</span> GlopSolver::CanUpdate(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
|
|
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span>}</div>
|
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> </div>
|
|
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span><span class="keyword">template</span> <<span class="keyword">typename</span> IndexType></div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535"> 322</a></span>SparseDoubleVectorProto <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535">FillSparseDoubleVector</a>(</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keyword">const</span> std::vector<int64_t>& ids_in_order,</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keyword">const</span> absl::flat_hash_map<int64_t, IndexType>& id_map,</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html">glop::StrictITIVector<IndexType, glop::Fractional></a>& values,</div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keyword">const</span> SparseVectorFilterProto& filter) {</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_sparse_vector_filter_predicate.html">SparseVectorFilterPredicate</a> predicate(filter);</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> SparseDoubleVectorProto result;</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t variable_id : ids_in_order) {</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = values[id_map.at(variable_id)];</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordflow">if</span> (predicate.<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_sparse_vector_filter_predicate.html#ac85e9cc171a845c8fe097f9306544181">AcceptsAndUpdate</a>(variable_id, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> result.add_ids(variable_id);</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> result.add_values(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>);</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> }</div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> }</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span>}</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> </div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a661588c758c0277f3e60bef8d8a7e2c7"> 340</a></span>std::vector<int64_t> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a661588c758c0277f3e60bef8d8a7e2c7">GetSortedIs</a>(</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keyword">const</span> absl::flat_hash_map<int64_t, T>& id_map) {</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> std::vector<int64_t> sorted;</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> sorted.reserve(id_map.size());</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : id_map) {</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> sorted.emplace_back(entry.first);</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> }</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> std::sort(sorted.begin(), sorted.end());</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordflow">return</span> sorted;</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span>}</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> </div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span><span class="keywordtype">void</span> GlopSolver::FillSolveResult(</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> status,</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> SolveResultProto& solve_result) {</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> solve_result.mutable_solve_stats()->set_simplex_iterations(</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> lp_solver_.GetNumberOfSimplexIterations());</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="comment">// TODO(b/168374742): this needs to be properly filled in. In particular, we</span></div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="comment">// can give better primal and dual bounds when the status is not OPTIMAL.</span></div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> is_maximize = linear_program_.IsMaximizationProblem();</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keyword">constexpr</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> = std::numeric_limits<double>::infinity();</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> solve_result.mutable_solve_stats()->set_best_primal_bound(is_maximize ? -<a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a></div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> : <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>);</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> solve_result.mutable_solve_stats()->set_best_dual_bound(is_maximize ? <a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a></div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> : -<a class="code hl_variable" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>);</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> <span class="keywordflow">if</span> (status == <a class="code hl_enumvalue" href="namespaceoperations__research_1_1packing_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad">glop::ProblemStatus::OPTIMAL</a>) {</div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> solve_result.set_termination_reason(<a class="code hl_enumvalue" href="namespaceoperations__research_1_1packing_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad">SolveResultProto::OPTIMAL</a>);</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> solve_result.mutable_solve_stats()->set_best_primal_bound(</div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> lp_solver_.GetObjectiveValue());</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> solve_result.mutable_solve_stats()->set_best_dual_bound(</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> lp_solver_.GetObjectiveValue());</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> </div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keyword">auto</span> sorted_variables = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a661588c758c0277f3e60bef8d8a7e2c7">GetSortedIs</a>(variables_);</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keyword">auto</span> sorted_constraints = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a661588c758c0277f3e60bef8d8a7e2c7">GetSortedIs</a>(linear_constraints_);</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> </div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> PrimalSolutionProto* <span class="keyword">const</span> primal_solution =</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> solve_result.add_primal_solutions();</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> primal_solution->set_objective_value(lp_solver_.GetObjectiveValue());</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> *primal_solution->mutable_variable_values() = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535">FillSparseDoubleVector</a>(</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> sorted_variables, variables_, lp_solver_.variable_values(),</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> model_parameters.primal_variables_filter());</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> </div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> DualSolutionProto* <span class="keyword">const</span> dual_solution = solve_result.add_dual_solutions();</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> dual_solution->set_objective_value(lp_solver_.GetObjectiveValue());</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> *dual_solution->mutable_dual_values() = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535">FillSparseDoubleVector</a>(</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> sorted_constraints, linear_constraints_, lp_solver_.dual_values(),</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> model_parameters.dual_linear_constraints_filter());</div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> *dual_solution->mutable_reduced_costs() = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535">FillSparseDoubleVector</a>(</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> sorted_variables, variables_, lp_solver_.reduced_costs(),</div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> model_parameters.dual_variables_filter());</div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="comment">// TODO(user): consider pulling these out to a separate method once we</span></div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="comment">// support all statuses</span></div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (status == glop::ProblemStatus::PRIMAL_INFEASIBLE ||</div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> status == glop::ProblemStatus::DUAL_UNBOUNDED) {</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> solve_result.set_termination_reason(<a class="code hl_enumvalue" href="namespaceoperations__research_1_1packing_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483">SolveResultProto::INFEASIBLE</a>);</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (status == glop::ProblemStatus::PRIMAL_UNBOUNDED) {</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> solve_result.set_termination_reason(SolveResultProto::UNBOUNDED);</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (status == glop::ProblemStatus::DUAL_INFEASIBLE ||</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> status == glop::ProblemStatus::INFEASIBLE_OR_UNBOUNDED) {</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> solve_result.set_termination_reason(SolveResultProto::DUAL_INFEASIBLE);</div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(DFATAL) << <span class="stringliteral">"Termination not implemented."</span>;</div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> solve_result.set_termination_reason(</div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> SolveResultProto::TERMINATION_REASON_UNSPECIFIED);</div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> solve_result.set_termination_detail(absl::StrCat(<span class="stringliteral">"Glop status: "</span>, status));</div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> }</div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span>}</div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> </div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_glop_solver.html#a7d6731070fee00d91f229e0cff1cfa1b"> 408</a></span>absl::StatusOr<SolveResultProto> <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5">GlopSolver::Solve</a>(</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="keyword">const</span> SolveParametersProto& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="keyword">const</span> ModelSolveParametersProto& model_parameters,</div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="keyword">const</span> CallbackRegistrationProto& callback_registration, <span class="keyword">const</span> <a class="code hl_typedef" href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">Callback</a> cb) {</div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keyword">const</span> absl::Time start = absl::Now();</div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> SolveResultProto result;</div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> {</div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keyword">auto</span> [glop_parameters, warnings] = MergeCommonParameters(</div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.common_parameters(), <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.glop_parameters());</div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keywordflow">if</span> (!warnings.empty()) {</div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.common_parameters().strictness().bad_parameter()) {</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrJoin(warnings, <span class="stringliteral">"; "</span>));</div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keywordflow">for</span> (std::string& warning : warnings) {</div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> result.add_warnings(std::move(warning));</div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> }</div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> }</div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> }</div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> lp_solver_.SetParameters(glop_parameters);</div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> }</div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> </div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> status = lp_solver_.Solve(linear_program_);</div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> FillSolveResult(status, model_parameters, result);</div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <a class="code hl_define" href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a>(<a class="code hl_function" href="namespaceutil__time.html#a9b705fc0063004954faa62e54450d4fc">util_time::EncodeGoogleApiProto</a>(</div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> absl::Now() - start, result.mutable_solve_stats()->mutable_solve_time()));</div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span>}</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> </div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_glop_solver.html#a960ff60625af78759f2f21115cab7ae1"> 436</a></span>absl::StatusOr<std::unique_ptr<SolverInterface>> GlopSolver::New(</div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="keyword">const</span> ModelProto& <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> SolverInitializerProto& initializer) {</div>
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<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="keyword">auto</span> solver = absl::WrapUnique(<span class="keyword">new</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_glop_solver.html">GlopSolver</a>);</div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> solver->linear_program_.SetName(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.name());</div>
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<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> solver->linear_program_.SetMaximizationProblem(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective().maximize());</div>
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<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> solver->linear_program_.SetObjectiveOffset(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective().offset());</div>
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<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> </div>
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<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> solver->AddVariables(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variables());</div>
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<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> solver->SetOrUpdateObjectiveCoefficients(</div>
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<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective().linear_coefficients());</div>
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<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> </div>
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<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> solver->AddLinearConstraints(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.linear_constraints());</div>
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<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> solver->SetOrUpdateConstraintMatrix(<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.linear_constraint_matrix());</div>
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<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> solver->linear_program_.CleanUp();</div>
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<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="keywordflow">return</span> solver;</div>
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<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span>}</div>
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<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> </div>
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<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"><a class="line" href="classoperations__research_1_1math__opt_1_1_glop_solver.html#a4dc835d3171da48778de1bbea39f8448"> 453</a></span>absl::Status GlopSolver::Update(<span class="keyword">const</span> ModelUpdateProto& model_update) {</div>
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<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="keywordflow">if</span> (model_update.objective_updates().has_direction_update()) {</div>
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<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> linear_program_.SetMaximizationProblem(</div>
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<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> model_update.objective_updates().direction_update());</div>
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<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> }</div>
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<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="keywordflow">if</span> (model_update.objective_updates().has_offset_update()) {</div>
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<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> linear_program_.SetObjectiveOffset(</div>
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<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> model_update.objective_updates().offset_update());</div>
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<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> }</div>
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<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> </div>
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<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> DeleteVariables(model_update.deleted_variable_ids());</div>
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<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> AddVariables(model_update.new_variables());</div>
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<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> </div>
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<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> SetOrUpdateObjectiveCoefficients(</div>
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<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> model_update.objective_updates().linear_coefficients());</div>
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<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> UpdateVariableBounds(model_update.variable_updates());</div>
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<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> </div>
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<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> DeleteLinearConstraints(model_update.deleted_linear_constraint_ids());</div>
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<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> AddLinearConstraints(model_update.new_linear_constraints());</div>
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<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> UpdateLinearConstraintBounds(model_update.linear_constraint_updates());</div>
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<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> </div>
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<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> SetOrUpdateConstraintMatrix(model_update.linear_constraint_matrix_updates());</div>
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<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> </div>
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<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> linear_program_.CleanUp();</div>
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<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> </div>
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<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span>}</div>
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<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> </div>
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<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span><a class="code hl_define" href="solver__interface_8h.html#ad082a79cf1be23f55e3435fad5bf4949">MATH_OPT_REGISTER_SOLVER</a>(SOLVER_TYPE_GLOP, GlopSolver::New)</div>
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<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> </div>
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<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span>} <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></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_a9f96ed9f06763f0821fdbb4d29031d8d"><div class="ttname"><a href="base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d">CHECK_OK</a></div><div class="ttdeci">#define CHECK_OK(x)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00042">base/logging.h:42</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00416">base/logging.h:416</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_strong_vector_html"><div class="ttname"><a href="classabsl_1_1_strong_vector.html">absl::StrongVector</a></div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00076">strong_vector.h:76</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html">operations_research::glop::GlopParameters</a></div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l00194">parameters.pb.h:195</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_a323d8deb60e59c2fd9588203c0e4d3ec"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a323d8deb60e59c2fd9588203c0e4d3ec">operations_research::glop::GlopParameters::has_random_seed</a></div><div class="ttdeci">bool has_random_seed() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02517">parameters.pb.h:2517</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_a37b4b745841f278e5ae1e5979978599f"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a37b4b745841f278e5ae1e5979978599f">operations_research::glop::GlopParameters::set_scaling_method</a></div><div class="ttdeci">void set_scaling_method(::operations_research::glop::GlopParameters_ScalingAlgorithm value)</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l01326">parameters.pb.h:1326</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_a3814b345633d02d68ccdabbd407355b0"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a3814b345633d02d68ccdabbd407355b0">operations_research::glop::GlopParameters::has_use_dual_simplex</a></div><div class="ttdeci">bool has_use_dual_simplex() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02181">parameters.pb.h:2181</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_a8da724afc4ba1d808da0c26d6fb11f40"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a8da724afc4ba1d808da0c26d6fb11f40">operations_research::glop::GlopParameters::has_use_scaling</a></div><div class="ttdeci">bool has_use_scaling() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l01674">parameters.pb.h:1674</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_a9a37f4c3139bc8fa1e619a96d9a8ee36"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a9a37f4c3139bc8fa1e619a96d9a8ee36">operations_research::glop::GlopParameters::has_max_time_in_seconds</a></div><div class="ttdeci">bool has_max_time_in_seconds() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02041">parameters.pb.h:2041</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_aa148eda9a432e6c798d9e2eecc8645f4"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#aa148eda9a432e6c798d9e2eecc8645f4">operations_research::glop::GlopParameters::set_random_seed</a></div><div class="ttdeci">void set_random_seed(::PROTOBUF_NAMESPACE_ID::int32 value)</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02535">parameters.pb.h:2535</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_aab35cfcfaade222f6dcb5203e54bbb2b"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#aab35cfcfaade222f6dcb5203e54bbb2b">operations_research::glop::GlopParameters::set_use_preprocessing</a></div><div class="ttdeci">void set_use_preprocessing(bool value)</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02283">parameters.pb.h:2283</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_aaf2c5894d4de9c56b49f32b26fd0d9a3"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#aaf2c5894d4de9c56b49f32b26fd0d9a3">operations_research::glop::GlopParameters::set_use_scaling</a></div><div class="ttdeci">void set_use_scaling(bool value)</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l01692">parameters.pb.h:1692</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_ab055fe5de5ab455c769387b42059f031"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#ab055fe5de5ab455c769387b42059f031">operations_research::glop::GlopParameters::set_log_search_progress</a></div><div class="ttdeci">void set_log_search_progress(bool value)</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02731">parameters.pb.h:2731</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_abf1aca8cc5065256d92ebc5dd86c99be"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#abf1aca8cc5065256d92ebc5dd86c99be">operations_research::glop::GlopParameters::has_use_preprocessing</a></div><div class="ttdeci">bool has_use_preprocessing() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02265">parameters.pb.h:2265</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_acfca10297d23b5aebc8c01b7d8023459"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#acfca10297d23b5aebc8c01b7d8023459">operations_research::glop::GlopParameters::has_log_search_progress</a></div><div class="ttdeci">bool has_log_search_progress() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02713">parameters.pb.h:2713</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_ad7217afa0f5bd97642d0d2291068c7f9"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#ad7217afa0f5bd97642d0d2291068c7f9">operations_research::glop::GlopParameters::set_max_time_in_seconds</a></div><div class="ttdeci">void set_max_time_in_seconds(double value)</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02059">parameters.pb.h:2059</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_adee2455a4689e2e8d7e0bf4a732858fe"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#adee2455a4689e2e8d7e0bf4a732858fe">operations_research::glop::GlopParameters::has_num_omp_threads</a></div><div class="ttdeci">bool has_num_omp_threads() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02545">parameters.pb.h:2545</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_aec5a8ff1609c3678e3570ade56bcd2b2"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#aec5a8ff1609c3678e3570ade56bcd2b2">operations_research::glop::GlopParameters::set_num_omp_threads</a></div><div class="ttdeci">void set_num_omp_threads(::PROTOBUF_NAMESPACE_ID::int32 value)</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02563">parameters.pb.h:2563</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_af45fa89aaa5c18797516e729e5d127e8"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#af45fa89aaa5c18797516e729e5d127e8">operations_research::glop::GlopParameters::set_use_dual_simplex</a></div><div class="ttdeci">void set_use_dual_simplex(bool value)</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02199">parameters.pb.h:2199</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_glop_parameters_html_afd621877a52ac6eb749509f827a37735"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#afd621877a52ac6eb749509f827a37735">operations_research::glop::GlopParameters::has_scaling_method</a></div><div class="ttdeci">bool has_scaling_method() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l01307">parameters.pb.h:1307</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_ac62972ff1b21a037e56530cde67309ab"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#ac62972ff1b21a037e56530cde67309ab">operations_research::glop::LinearProgram::VariableType</a></div><div class="ttdeci">VariableType</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00057">lp_data.h:57</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_ac62972ff1b21a037e56530cde67309aba5d5cd46919fa987731fb2edefe0f2a0c"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#ac62972ff1b21a037e56530cde67309aba5d5cd46919fa987731fb2edefe0f2a0c">operations_research::glop::LinearProgram::VariableType::INTEGER</a></div><div class="ttdeci">@ INTEGER</div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html_ac62972ff1b21a037e56530cde67309abab1fa9dd3af034b3ef4291579aa673c07"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#ac62972ff1b21a037e56530cde67309abab1fa9dd3af034b3ef4291579aa673c07">operations_research::glop::LinearProgram::VariableType::CONTINUOUS</a></div><div class="ttdeci">@ CONTINUOUS</div></div>
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<div class="ttc" id="aclassoperations__research_1_1glop_1_1_strict_i_t_i_vector_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html">operations_research::glop::StrictITIVector</a></div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00256">lp_types.h:256</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_glop_solver_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_glop_solver.html">operations_research::math_opt::GlopSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="glop__solver_8h_source.html#l00044">glop_solver.h:44</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_solver_interface_html_ab47a61ca53ae9cdf35dd4f2dfc9ecadb"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_solver_interface.html#ab47a61ca53ae9cdf35dd4f2dfc9ecadb">operations_research::math_opt::SolverInterface::Callback</a></div><div class="ttdeci">std::function< absl::StatusOr< CallbackResultProto >(const CallbackDataProto &)> Callback</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00054">solver_interface.h:55</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_sparse_vector_filter_predicate_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_sparse_vector_filter_predicate.html">operations_research::math_opt::SparseVectorFilterPredicate</a></div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00057">math_opt_proto_utils.h:57</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_sparse_vector_filter_predicate_html_ac85e9cc171a845c8fe097f9306544181"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_sparse_vector_filter_predicate.html#ac85e9cc171a845c8fe097f9306544181">operations_research::math_opt::SparseVectorFilterPredicate::AcceptsAndUpdate</a></div><div class="ttdeci">bool AcceptsAndUpdate(const int64_t id, const Value &value)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00098">math_opt_proto_utils.h:98</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00116">cp_model_fz_solver.cc:116</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_aec8af5c1be4e1b6d4330e1161028de21"><div class="ttname"><a href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a></div><div class="ttdeci">ModelSharedTimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02013">cp_model_solver.cc:2013</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
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<div class="ttc" id="aglop__solver_8h_html"><div class="ttname"><a href="glop__solver_8h.html">glop_solver.h</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00273">gurobi_interface.cc:273</a></div></div>
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<div class="ttc" id="aint__type_8h_html"><div class="ttname"><a href="int__type_8h.html">int_type.h</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_acdd38e3c9f22f127d7776920e3079eda"><div class="ttname"><a href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a></div><div class="ttdeci">const int FATAL</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00032">log_severity.h:32</a></div></div>
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<div class="ttc" id="alp__data_8h_html"><div class="ttname"><a href="lp__data_8h.html">lp_data.h</a></div></div>
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<div class="ttc" id="alp__solver_8h_html"><div class="ttname"><a href="lp__solver_8h.html">lp_solver.h</a></div></div>
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<div class="ttc" id="alp__types_8h_html"><div class="ttname"><a href="lp__types_8h.html">lp_types.h</a></div></div>
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<div class="ttc" id="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
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<div class="ttc" id="amath__opt__proto__utils_8h_html"><div class="ttname"><a href="math__opt__proto__utils_8h.html">math_opt_proto_utils.h</a></div></div>
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<div class="ttc" id="anamespacegtl_html_a5c0d4dea208db4deaa285c06b78d8181"><div class="ttname"><a href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a></div><div class="ttdeci">void InsertOrDie(Collection *const collection, const typename Collection::value_type &value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00154">map_util.h:154</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">operations_research::glop::ProblemStatus</a></div><div class="ttdeci">ProblemStatus</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00102">lp_types.h:102</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_aec7177dd4fab33ada14a7689223fe89f"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#aec7177dd4fab33ada14a7689223fe89f">operations_research::glop::DenseBooleanColumn</a></div><div class="ttdeci">StrictITIVector< RowIndex, bool > DenseBooleanColumn</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00335">lp_types.h:335</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a1c3bab427ac8280d7b32019b88ec59b4"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a1c3bab427ac8280d7b32019b88ec59b4">operations_research::math_opt::NumMatrixNonzeros</a></div><div class="ttdeci">int NumMatrixNonzeros(const SparseDoubleMatrixProto &matrix)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00039">math_opt_proto_utils.h:39</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a266628d6b96d7113d9b30c96288f6b50"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a266628d6b96d7113d9b30c96288f6b50">operations_research::math_opt::UpdateIdIndexMap</a></div><div class="ttdeci">void UpdateIdIndexMap(glop::StrictITIVector< IndexType, bool > indices_to_delete, IndexType num_indices, absl::flat_hash_map< int64_t, IndexType > &id_index_map)</div><div class="ttdef"><b>Definition:</b> <a href="glop__solver_8cc_source.html#l00103">glop_solver.cc:103</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a3055f8b845cde39af2c3bed9007d4a06"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a3055f8b845cde39af2c3bed9007d4a06">operations_research::math_opt::NumVariables</a></div><div class="ttdeci">int NumVariables(const VariablesProto &variables)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00031">math_opt_proto_utils.h:31</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a49f967b1420551cce50b84075ab62535"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a49f967b1420551cce50b84075ab62535">operations_research::math_opt::FillSparseDoubleVector</a></div><div class="ttdeci">SparseDoubleVectorProto FillSparseDoubleVector(const std::vector< int64_t > &ids_in_order, const absl::flat_hash_map< int64_t, IndexType > &id_map, const glop::StrictITIVector< IndexType, glop::Fractional > &values, const SparseVectorFilterProto &filter)</div><div class="ttdef"><b>Definition:</b> <a href="glop__solver_8cc_source.html#l00322">glop_solver.cc:322</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a661588c758c0277f3e60bef8d8a7e2c7"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a661588c758c0277f3e60bef8d8a7e2c7">operations_research::math_opt::GetSortedIs</a></div><div class="ttdeci">std::vector< int64_t > GetSortedIs(const absl::flat_hash_map< int64_t, T > &id_map)</div><div class="ttdef"><b>Definition:</b> <a href="glop__solver_8cc_source.html#l00340">glop_solver.cc:340</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a80e158d48db32a3bbbe915179b36e405"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">operations_research::math_opt::MakeView</a></div><div class="ttdeci">SparseVectorView< T > MakeView(absl::Span< const int64_t > ids, const Collection &values)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__view_8h_source.html#l00140">sparse_vector_view.h:140</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a98600a28f0f805ae0cbe04802b0dcbc4"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a98600a28f0f805ae0cbe04802b0dcbc4">operations_research::math_opt::NumConstraints</a></div><div class="ttdeci">int NumConstraints(const LinearConstraintsProto &linear_constraints)</div><div class="ttdef"><b>Definition:</b> <a href="math__opt__proto__utils_8h_source.html#l00035">math_opt_proto_utils.h:35</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ad9f50c9313b35cc1e8887057dc4d9645"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">operations_research::math_opt::kInf</a></div><div class="ttdeci">constexpr double kInf</div><div class="ttdef"><b>Definition:</b> <a href="ids__validator_8cc_source.html#l00035">ids_validator.cc:35</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1packing_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="namespaceoperations__research_1_1packing_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad">operations_research::packing::vbp::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="vector__bin__packing_8pb_8h_source.html#l00087">vector_bin_packing.pb.h:87</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1packing_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="namespaceoperations__research_1_1packing_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483">operations_research::packing::vbp::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="vector__bin__packing_8pb_8h_source.html#l00089">vector_bin_packing.pb.h:89</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1sat_html_af904018d9a1c9983624b1ce0331f2bf5"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5">operations_research::sat::Solve</a></div><div class="ttdeci">CpSolverResponse Solve(const CpModelProto &model_proto)</div><div class="ttdoc">Solves the given CpModelProto and returns an instance of CpSolverResponse.</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l03379">cp_model_solver.cc:3379</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_a760c8bbae2698a370004ceaaba9d9920"><div class="ttname"><a href="namespaceoperations__research.html#a760c8bbae2698a370004ceaaba9d9920">operations_research::ProtoEnumToString</a></div><div class="ttdeci">std::string ProtoEnumToString(ProtoEnumType enum_value)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00046">port/proto_utils.h:46</a></div></div>
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<div class="ttc" id="anamespaceutil__time_html_a801584734c5b3898f94cf932202b2eb7"><div class="ttname"><a href="namespaceutil__time.html#a801584734c5b3898f94cf932202b2eb7">util_time::DecodeGoogleApiProto</a></div><div class="ttdeci">inline ::absl::StatusOr< absl::Duration > DecodeGoogleApiProto(const google::protobuf::Duration &proto)</div><div class="ttdef"><b>Definition:</b> <a href="protoutil_8h_source.html#l00042">protoutil.h:42</a></div></div>
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<div class="ttc" id="anamespaceutil__time_html_a9b705fc0063004954faa62e54450d4fc"><div class="ttname"><a href="namespaceutil__time.html#a9b705fc0063004954faa62e54450d4fc">util_time::EncodeGoogleApiProto</a></div><div class="ttdeci">inline ::absl::StatusOr< google::protobuf::Duration > EncodeGoogleApiProto(absl::Duration d)</div><div class="ttdef"><b>Definition:</b> <a href="protoutil_8h_source.html#l00027">protoutil.h:27</a></div></div>
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<div class="ttc" id="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00509">pack.cc:509</a></div></div>
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<div class="ttc" id="aparameters_8pb_8h_html"><div class="ttname"><a href="parameters_8pb_8h.html">parameters.pb.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="aprotoutil_8h_html"><div class="ttname"><a href="protoutil_8h.html">protoutil.h</a></div></div>
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<div class="ttc" id="arouting__filters_8cc_html_a8e4ee19dee0e00541dbe9bbc83d806ba"><div class="ttname"><a href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a></div><div class="ttdeci">int64_t coefficient</div><div class="ttdef"><b>Definition:</b> <a href="routing__filters_8cc_source.html#l00985">routing_filters.cc:985</a></div></div>
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<div class="ttc" id="asolver__interface_8h_html"><div class="ttname"><a href="solver__interface_8h.html">solver_interface.h</a></div></div>
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<div class="ttc" id="asolver__interface_8h_html_ad082a79cf1be23f55e3435fad5bf4949"><div class="ttname"><a href="solver__interface_8h.html#ad082a79cf1be23f55e3435fad5bf4949">MATH_OPT_REGISTER_SOLVER</a></div><div class="ttdeci">#define MATH_OPT_REGISTER_SOLVER(solver_type, solver_factory)</div><div class="ttdef"><b>Definition:</b> <a href="solver__interface_8h_source.html#l00144">solver_interface.h:144</a></div></div>
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<div class="ttc" id="asparse__vector__view_8h_html"><div class="ttname"><a href="sparse__vector__view_8h.html">sparse_vector_view.h</a></div></div>
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<div class="ttc" id="astrong__vector_8h_html"><div class="ttname"><a href="strong__vector_8h.html">strong_vector.h</a></div></div>
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