1046 lines
168 KiB
HTML
1046 lines
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<div class="title">scip_proto_solver.cc</div> </div>
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<a href="scip__proto__solver_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#if defined(USE_SCIP)</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "<a class="code" href="scip__proto__solver_8h.html">ortools/linear_solver/scip_proto_solver.h</a>"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <cmath></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <numeric></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <set></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "absl/strings/ascii.h"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "absl/strings/numbers.h"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "absl/strings/str_split.h"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="cleanup_8h.html">ortools/base/cleanup.h</a>"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="commandlineflags_8h.html">ortools/base/commandlineflags.h</a>"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="legacy__scip__params_8h.html">ortools/gscip/legacy_scip_params.h</a>"</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "<a class="code" href="linear__solver_8pb_8h.html">ortools/linear_solver/linear_solver.pb.h</a>"</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "<a class="code" href="model__validator_8h.html">ortools/linear_solver/model_validator.h</a>"</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "<a class="code" href="scip__helper__macros_8h.html">ortools/linear_solver/scip_helper_macros.h</a>"</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="lazy__mutable__copy_8h.html">ortools/util/lazy_mutable_copy.h</a>"</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "scip/cons_disjunction.h"</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "scip/cons_linear.h"</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include "scip/pub_var.h"</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include "scip/scip.h"</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include "scip/scip_param.h"</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "scip/scip_prob.h"</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "scip/scip_var.h"</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include "scip/scipdefplugins.h"</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "scip/set.h"</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "scip/struct_paramset.h"</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include "scip/type_cons.h"</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include "scip/type_paramset.h"</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "scip/type_var.h"</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="scip__proto__solver_8cc.html#abd48e1f129a1b82575d25e61c1568b3d"> 55</a></span> <a class="code" href="scip__proto__solver_8cc.html#abd48e1f129a1b82575d25e61c1568b3d">ABSL_FLAG</a>(std::string, scip_proto_solver_output_cip_file, <span class="stringliteral">""</span>,</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="stringliteral">"If given, saves the generated CIP file here. Useful for "</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="stringliteral">"reporting bugs to SCIP."</span>);</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// This function will create a new constraint if the indicator constraint has</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// both a lower bound and an upper bound.</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> absl::Status AddIndicatorConstraint(<span class="keyword">const</span> MPGeneralConstraintProto& gen_cst,</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  SCIP* scip, SCIP_CONS** scip_cst,</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  std::vector<SCIP_VAR*>* scip_variables,</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  std::vector<SCIP_CONS*>* scip_constraints,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  std::vector<SCIP_VAR*>* tmp_variables,</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  std::vector<double>* tmp_coefficients) {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_cst != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_variables != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_constraints != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_variables != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_coefficients != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gen_cst.has_indicator_constraint());</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  constexpr <span class="keywordtype">double</span> <a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a> = std::numeric_limits<double>::infinity();</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& ind = gen_cst.indicator_constraint();</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (!ind.has_constraint()) <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> MPConstraintProto& constraint = ind.constraint();</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = constraint.var_index_size();</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  tmp_variables->resize(size, <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  tmp_coefficients->resize(size, 0);</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  (*tmp_variables)[i] = (*scip_variables)[constraint.var_index(i)];</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  (*tmp_coefficients)[i] = constraint.coefficient(i);</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  SCIP_VAR* ind_var = (*scip_variables)[ind.var_index()];</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (ind.var_value() == 0) {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  SCIPgetNegatedVar(scip, (*scip_variables)[ind.var_index()], &ind_var));</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (ind.constraint().upper_bound() < <a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>) {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsIndicator(</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  scip, scip_cst, gen_cst.name().c_str(), ind_var, size,</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  tmp_variables->data(), tmp_coefficients->data(),</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  ind.constraint().upper_bound(),</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">/*initial=*/</span>!ind.constraint().is_lazy(),</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">/*separate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">/*enforce=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">/*check=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">/*propagate=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">/*local=*/</span><span class="keyword">false</span>,</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">/*dynamic=*/</span><span class="keyword">false</span>,</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">/*removable=*/</span>ind.constraint().is_lazy(),</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">/*stickingatnode=*/</span><span class="keyword">false</span>));</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, *scip_cst));</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  scip_constraints->push_back(<span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  scip_cst = &scip_constraints->back();</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (ind.constraint().lower_bound() > -<a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>) {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  (*tmp_coefficients)[i] *= -1;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsIndicator(</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  scip, scip_cst, gen_cst.name().c_str(), ind_var, size,</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  tmp_variables->data(), tmp_coefficients->data(),</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  -ind.constraint().lower_bound(),</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">/*initial=*/</span>!ind.constraint().is_lazy(),</div>
|
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">/*separate=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">/*enforce=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">/*check=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">/*propagate=*/</span><span class="keyword">true</span>,</div>
|
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">/*local=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">/*dynamic=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">/*removable=*/</span>ind.constraint().is_lazy(),</div>
|
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">/*stickingatnode=*/</span><span class="keyword">false</span>));</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, *scip_cst));</div>
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|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> absl::Status AddSosConstraint(<span class="keyword">const</span> MPGeneralConstraintProto& gen_cst,</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">const</span> std::vector<SCIP_VAR*>& scip_variables,</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  SCIP* scip, SCIP_CONS** scip_cst,</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  std::vector<SCIP_VAR*>* tmp_variables,</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  std::vector<double>* tmp_weights) {</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_cst != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_variables != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_weights != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gen_cst.has_sos_constraint());</div>
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|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> MPSosConstraint& sos_cst = gen_cst.sos_constraint();</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
|
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// SOS constraints of type N indicate at most N variables are non-zero.</span></div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// Constraints with N variables or less are valid, but useless. They also</span></div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// crash SCIP, so we skip them.</span></div>
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|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (sos_cst.var_index_size() <= 1) <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (sos_cst.type() == MPSosConstraint::SOS2 &&</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  sos_cst.var_index_size() <= 2) {</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  tmp_variables->resize(sos_cst.var_index_size(), <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v < sos_cst.var_index_size(); ++v) {</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  (*tmp_variables)[v] = scip_variables[sos_cst.var_index(v)];</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  tmp_weights->resize(sos_cst.var_index_size(), 0);</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (sos_cst.weight_size() == sos_cst.var_index_size()) {</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> w = 0; w < sos_cst.weight_size(); ++w) {</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  (*tmp_weights)[w] = sos_cst.weight(w);</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// In theory, SCIP should accept empty weight arrays and use natural</span></div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// ordering, but in practice, this crashes their code.</span></div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  std::iota(tmp_weights->begin(), tmp_weights->end(), 1);</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">switch</span> (sos_cst.type()) {</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">case</span> MPSosConstraint::SOS1_DEFAULT:</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  SCIPcreateConsBasicSOS1(scip,</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">/*cons=*/</span>scip_cst,</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">/*name=*/</span>gen_cst.name().c_str(),</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">/*nvars=*/</span>sos_cst.var_index_size(),</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">/*vars=*/</span>tmp_variables->data(),</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">/*weights=*/</span>tmp_weights->data()));</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">case</span> MPSosConstraint::SOS2:</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  SCIPcreateConsBasicSOS2(scip,</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">/*cons=*/</span>scip_cst,</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">/*name=*/</span>gen_cst.name().c_str(),</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">/*nvars=*/</span>sos_cst.var_index_size(),</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">/*vars=*/</span>tmp_variables->data(),</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">/*weights=*/</span>tmp_weights->data()));</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, *scip_cst));</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> }</div>
|
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> absl::Status AddQuadraticConstraint(</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">const</span> MPGeneralConstraintProto& gen_cst,</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">const</span> std::vector<SCIP_VAR*>& scip_variables, SCIP* scip,</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  SCIP_CONS** scip_cst, std::vector<SCIP_VAR*>* tmp_variables,</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  std::vector<double>* tmp_coefficients,</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  std::vector<SCIP_VAR*>* tmp_qvariables1,</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  std::vector<SCIP_VAR*>* tmp_qvariables2,</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  std::vector<double>* tmp_qcoefficients) {</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_cst != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_variables != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_coefficients != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_qvariables1 != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_qvariables2 != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_qcoefficients != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gen_cst.has_quadratic_constraint());</div>
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|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">const</span> MPQuadraticConstraint& quad_cst = gen_cst.quadratic_constraint();</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// Process linear part of the constraint.</span></div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> lsize = quad_cst.var_index_size();</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(quad_cst.coefficient_size(), lsize);</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  tmp_variables->resize(lsize, <span class="keyword">nullptr</span>);</div>
|
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  tmp_coefficients->resize(lsize, 0.0);</div>
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|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < lsize; ++i) {</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  (*tmp_variables)[i] = scip_variables[quad_cst.var_index(i)];</div>
|
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  (*tmp_coefficients)[i] = quad_cst.coefficient(i);</div>
|
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
|
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div>
|
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// Process quadratic part of the constraint.</span></div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> qsize = quad_cst.qvar1_index_size();</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(quad_cst.qvar2_index_size(), qsize);</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(quad_cst.qcoefficient_size(), qsize);</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  tmp_qvariables1->resize(qsize, <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  tmp_qvariables2->resize(qsize, <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  tmp_qcoefficients->resize(qsize, 0.0);</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < qsize; ++i) {</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  (*tmp_qvariables1)[i] = scip_variables[quad_cst.qvar1_index(i)];</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  (*tmp_qvariables2)[i] = scip_variables[quad_cst.qvar2_index(i)];</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  (*tmp_qcoefficients)[i] = quad_cst.qcoefficient(i);</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  </div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  SCIPcreateConsBasicQuadratic(scip,</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">/*cons=*/</span>scip_cst,</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">/*name=*/</span>gen_cst.name().c_str(),</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="comment">/*nlinvars=*/</span>lsize,</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">/*linvars=*/</span>tmp_variables->data(),</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">/*lincoefs=*/</span>tmp_coefficients->data(),</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="comment">/*nquadterms=*/</span>qsize,</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="comment">/*quadvars1=*/</span>tmp_qvariables1->data(),</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">/*quadvars2=*/</span>tmp_qvariables2->data(),</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">/*quadcoefs=*/</span>tmp_qcoefficients->data(),</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="comment">/*lhs=*/</span>quad_cst.lower_bound(),</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">/*rhs=*/</span>quad_cst.upper_bound()));</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, *scip_cst));</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> }</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  </div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// Models the constraint y = |x| as y >= 0 plus one disjunction constraint:</span></div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment">// y = x OR y = -x</span></div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> absl::Status AddAbsConstraint(<span class="keyword">const</span> MPGeneralConstraintProto& gen_cst,</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keyword">const</span> std::vector<SCIP_VAR*>& scip_variables,</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  SCIP* scip, SCIP_CONS** scip_cst) {</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_cst != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gen_cst.has_abs_constraint());</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& abs = gen_cst.abs_constraint();</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  SCIP_VAR* scip_var = scip_variables[abs.var_index()];</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  SCIP_VAR* scip_resultant_var = scip_variables[abs.resultant_var_index()];</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="comment">// Set the resultant variable's lower bound to zero if it's negative.</span></div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">if</span> (SCIPvarGetLbLocal(scip_resultant_var) < 0.0) {</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPchgVarLb(scip, scip_resultant_var, 0.0));</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  </div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  std::vector<SCIP_VAR*> vars;</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  std::vector<double> vals;</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  std::vector<SCIP_CONS*> cons;</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keyword">auto</span> add_abs_constraint =</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  [&](<span class="keyword">const</span> std::string& name_prefix) -> absl::Status {</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  SCIP_CONS* scip_cons = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(vars.size() == vals.size());</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keyword">const</span> std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> =</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  gen_cst.has_name() ? absl::StrCat(gen_cst.name(), name_prefix) : <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsBasicLinear(</div>
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|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  scip, <span class="comment">/*cons=*/</span>&scip_cons,</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">/*name=*/</span><a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>.c_str(), <span class="comment">/*nvars=*/</span>vars.size(), <span class="comment">/*vars=*/</span>vars.data(),</div>
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|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">/*vals=*/</span>vals.data(), <span class="comment">/*lhs=*/</span>0.0, <span class="comment">/*rhs=*/</span>0.0));</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">// Note that the constraints are, by design, not added into the model using</span></div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">// SCIPaddCons.</span></div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  cons.push_back(scip_cons);</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  };</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  </div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="comment">// Create an intermediary constraint such that y = -x</span></div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  vars = {scip_resultant_var, scip_var};</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  vals = {1, 1};</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(add_abs_constraint(<span class="stringliteral">"_neg"</span>));</div>
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|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  </div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// Create an intermediary constraint such that y = x</span></div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  vals = {1, -1};</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(add_abs_constraint(<span class="stringliteral">"_pos"</span>));</div>
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|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  </div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="comment">// Activate at least one of the two above constraints.</span></div>
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|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">const</span> std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> =</div>
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|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  gen_cst.has_name() ? absl::StrCat(gen_cst.name(), <span class="stringliteral">"_disj"</span>) : <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsBasicDisjunction(</div>
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|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  scip, <span class="comment">/*cons=*/</span>scip_cst, <span class="comment">/*name=*/</span><a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>.c_str(),</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">/*nconss=*/</span>cons.size(), <span class="comment">/*conss=*/</span>cons.data(), <span class="comment">/*relaxcons=*/</span><span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, *scip_cst));</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
|
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> }</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  </div>
|
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> absl::Status AddAndConstraint(<span class="keyword">const</span> MPGeneralConstraintProto& gen_cst,</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">const</span> std::vector<SCIP_VAR*>& scip_variables,</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  SCIP* scip, SCIP_CONS** scip_cst,</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  std::vector<SCIP_VAR*>* tmp_variables) {</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_cst != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_variables != <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gen_cst.has_and_constraint());</div>
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|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& andcst = gen_cst.and_constraint();</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  </div>
|
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  tmp_variables->resize(andcst.var_index_size(), <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < andcst.var_index_size(); ++i) {</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  (*tmp_variables)[i] = scip_variables[andcst.var_index(i)];</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsBasicAnd(</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  scip, <span class="comment">/*cons=*/</span>scip_cst,</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">/*name=*/</span>gen_cst.name().c_str(),</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">/*resvar=*/</span>scip_variables[andcst.resultant_var_index()],</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">/*nvars=*/</span>andcst.var_index_size(),</div>
|
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="comment">/*vars=*/</span>tmp_variables->data()));</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, *scip_cst));</div>
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|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> }</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  </div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> absl::Status AddOrConstraint(<span class="keyword">const</span> MPGeneralConstraintProto& gen_cst,</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keyword">const</span> std::vector<SCIP_VAR*>& scip_variables,</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  SCIP* scip, SCIP_CONS** scip_cst,</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  std::vector<SCIP_VAR*>* tmp_variables) {</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_cst != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_variables != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gen_cst.has_or_constraint());</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& orcst = gen_cst.or_constraint();</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  </div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  tmp_variables->resize(orcst.var_index_size(), <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < orcst.var_index_size(); ++i) {</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  (*tmp_variables)[i] = scip_variables[orcst.var_index(i)];</div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsBasicOr(</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  scip, <span class="comment">/*cons=*/</span>scip_cst,</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">/*name=*/</span>gen_cst.name().c_str(),</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="comment">/*resvar=*/</span>scip_variables[orcst.resultant_var_index()],</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">/*nvars=*/</span>orcst.var_index_size(),</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">/*vars=*/</span>tmp_variables->data()));</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, *scip_cst));</div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> }</div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  </div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment">// Models the constraint y = min(x1, x2, ... xn, c) with c being a constant with</span></div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment">// - n + 1 constraints to ensure y <= min(x1, x2, ... xn, c)</span></div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment">// - one disjunction constraint among all of the possible y = x1, y = x2, ...</span></div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment">// y = xn, y = c constraints</span></div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment">// Does the equivalent thing for max (with y >= max(...) instead).</span></div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> absl::Status AddMinMaxConstraint(<span class="keyword">const</span> MPGeneralConstraintProto& gen_cst,</div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keyword">const</span> std::vector<SCIP_VAR*>& scip_variables,</div>
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  SCIP* scip, SCIP_CONS** scip_cst,</div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  std::vector<SCIP_CONS*>* scip_constraints,</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  std::vector<SCIP_VAR*>* tmp_variables) {</div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_cst != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(tmp_variables != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(gen_cst.has_min_constraint() || gen_cst.has_max_constraint());</div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& minmax = gen_cst.has_min_constraint() ? gen_cst.min_constraint()</div>
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<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  : gen_cst.max_constraint();</div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keyword">const</span> std::set<int> unique_var_indices(minmax.var_index().begin(),</div>
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  minmax.var_index().end());</div>
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  SCIP_VAR* scip_resultant_var = scip_variables[minmax.resultant_var_index()];</div>
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<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
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<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  std::vector<SCIP_VAR*> vars;</div>
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  std::vector<double> vals;</div>
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  std::vector<SCIP_CONS*> cons;</div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keyword">auto</span> add_lin_constraint = [&](<span class="keyword">const</span> std::string& name_prefix,</div>
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordtype">double</span> lower_bound = 0.0,</div>
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordtype">double</span> upper_bound = 0.0) -> absl::Status {</div>
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<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  SCIP_CONS* scip_cons = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(vars.size() == vals.size());</div>
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">const</span> std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> =</div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  gen_cst.has_name() ? absl::StrCat(gen_cst.name(), name_prefix) : <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsBasicLinear(</div>
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|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  scip, <span class="comment">/*cons=*/</span>&scip_cons,</div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="comment">/*name=*/</span><a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>.c_str(), <span class="comment">/*nvars=*/</span>vars.size(), <span class="comment">/*vars=*/</span>vars.data(),</div>
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|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="comment">/*vals=*/</span>vals.data(), <span class="comment">/*lhs=*/</span>lower_bound, <span class="comment">/*rhs=*/</span>upper_bound));</div>
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<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="comment">// Note that the constraints are, by design, not added into the model using</span></div>
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="comment">// SCIPaddCons.</span></div>
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|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  cons.push_back(scip_cons);</div>
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|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  };</div>
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|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
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|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">// Create intermediary constraints such that y = xi</span></div>
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|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> var_index : unique_var_indices) {</div>
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|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  vars = {scip_resultant_var, scip_variables[var_index]};</div>
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|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  vals = {1, -1};</div>
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<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(add_lin_constraint(absl::StrCat(<span class="stringliteral">"_"</span>, var_index)));</div>
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<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</div>
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<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  </div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="comment">// Create an intermediary constraint such that y = c</span></div>
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|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">if</span> (minmax.has_constant()) {</div>
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|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  vars = {scip_resultant_var};</div>
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|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  vals = {1};</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
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|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  add_lin_constraint(<span class="stringliteral">"_constant"</span>, minmax.constant(), minmax.constant()));</div>
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|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  }</div>
|
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  </div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">// Activate at least one of the above constraints.</span></div>
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|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keyword">const</span> std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a> =</div>
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|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  gen_cst.has_name() ? absl::StrCat(gen_cst.name(), <span class="stringliteral">"_disj"</span>) : <span class="stringliteral">""</span>;</div>
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|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsBasicDisjunction(</div>
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|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  scip, <span class="comment">/*cons=*/</span>scip_cst, <span class="comment">/*name=*/</span><a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>.c_str(),</div>
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|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">/*nconss=*/</span>cons.size(), <span class="comment">/*conss=*/</span>cons.data(), <span class="comment">/*relaxcons=*/</span><span class="keyword">nullptr</span>));</div>
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|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, *scip_cst));</div>
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|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="comment">// Add all of the inequality constraints.</span></div>
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|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  constexpr <span class="keywordtype">double</span> <a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a> = std::numeric_limits<double>::infinity();</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  cons.clear();</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> var_index : unique_var_indices) {</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  vars = {scip_resultant_var, scip_variables[var_index]};</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  vals = {1, -1};</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">if</span> (gen_cst.has_min_constraint()) {</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(add_lin_constraint(absl::StrCat(<span class="stringliteral">"_ineq_"</span>, var_index),</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  -<a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>, 0.0));</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(add_lin_constraint(absl::StrCat(<span class="stringliteral">"_ineq_"</span>, var_index), 0.0,</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>));</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  }</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  }</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">if</span> (minmax.has_constant()) {</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  vars = {scip_resultant_var};</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  vals = {1};</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">if</span> (gen_cst.has_min_constraint()) {</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(add_lin_constraint(absl::StrCat(<span class="stringliteral">"_ineq_constant"</span>),</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  -<a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>, minmax.constant()));</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(add_lin_constraint(absl::StrCat(<span class="stringliteral">"_ineq_constant"</span>),</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  minmax.constant(), <a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>));</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  }</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  }</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">for</span> (SCIP_CONS* scip_cons : cons) {</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  scip_constraints->push_back(scip_cons);</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, scip_cons));</div>
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|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  }</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> }</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  </div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> absl::Status AddQuadraticObjective(<span class="keyword">const</span> MPQuadraticObjective& quadobj,</div>
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|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  SCIP* scip,</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  std::vector<SCIP_VAR*>* scip_variables,</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  std::vector<SCIP_CONS*>* scip_constraints) {</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_variables != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip_constraints != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  constexpr <span class="keywordtype">double</span> <a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a> = std::numeric_limits<double>::infinity();</div>
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|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  </div>
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|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = quadobj.coefficient_size();</div>
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|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> (size == 0) <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  </div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="comment">// SCIP supports quadratic objectives by adding a quadratic constraint. We</span></div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="comment">// need to create an extra variable to hold this quadratic objective.</span></div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  scip_variables->push_back(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateVarBasic(scip, <span class="comment">/*var=*/</span>&scip_variables->back(),</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="comment">/*name=*/</span><span class="stringliteral">"quadobj"</span>,</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="comment">/*lb=*/</span>-<a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>, <span class="comment">/*ub=*/</span><a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>,</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">/*obj=*/</span>1,</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="comment">/*vartype=*/</span>SCIP_VARTYPE_CONTINUOUS));</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddVar(scip, scip_variables->back()));</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  </div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  scip_constraints->push_back(<span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  SCIP_VAR* linvars[1] = {scip_variables->back()};</div>
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<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordtype">double</span> lincoefs[1] = {-1};</div>
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|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  std::vector<SCIP_VAR*> quadvars1(size, <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  std::vector<SCIP_VAR*> quadvars2(size, <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  std::vector<double> quadcoefs(size, 0);</div>
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
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|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  quadvars1[i] = scip_variables->at(quadobj.qvar1_index(i));</div>
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<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  quadvars2[i] = scip_variables->at(quadobj.qvar2_index(i));</div>
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<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  quadcoefs[i] = quadobj.coefficient(i);</div>
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|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  }</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsBasicQuadratic(</div>
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<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  scip, <span class="comment">/*cons=*/</span>&scip_constraints->back(), <span class="comment">/*name=*/</span><span class="stringliteral">"quadobj"</span>,</div>
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<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="comment">/*nlinvars=*/</span>1, <span class="comment">/*linvars=*/</span>linvars, <span class="comment">/*lincoefs=*/</span>lincoefs,</div>
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|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="comment">/*nquadterms=*/</span>size, <span class="comment">/*quadvars1=*/</span>quadvars1.data(),</div>
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|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="comment">/*quadvars2=*/</span>quadvars2.data(), <span class="comment">/*quadcoefs=*/</span>quadcoefs.data(),</div>
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|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="comment">/*lhs=*/</span>0, <span class="comment">/*rhs=*/</span>0));</div>
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<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, scip_constraints->back()));</div>
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|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  </div>
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<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
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|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> }</div>
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<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  </div>
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<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> absl::Status AddSolutionHint(<span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, SCIP* scip,</div>
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<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">const</span> std::vector<SCIP_VAR*>& scip_variables) {</div>
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<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.has_solution_hint()) <span class="keywordflow">return</span> absl::OkStatus();</div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div>
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<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keyword">const</span> PartialVariableAssignment& solution_hint = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint();</div>
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<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  SCIP_SOL* solution;</div>
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<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordtype">bool</span> is_solution_partial =</div>
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<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  solution_hint.var_index_size() != <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size();</div>
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|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keywordflow">if</span> (is_solution_partial) {</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(</div>
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|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  SCIPcreatePartialSol(scip, <span class="comment">/*sol=*/</span>&solution, <span class="comment">/*heur=*/</span><span class="keyword">nullptr</span>));</div>
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|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(</div>
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|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  SCIPcreateSol(scip, <span class="comment">/*sol=*/</span>&solution, <span class="comment">/*heur=*/</span><span class="keyword">nullptr</span>));</div>
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|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div>
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<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  </div>
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<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < solution_hint.var_index_size(); ++i) {</div>
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<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPsetSolVal(</div>
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|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  scip, solution, scip_variables[solution_hint.var_index(i)],</div>
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|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  solution_hint.var_value(i)));</div>
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<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  }</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  </div>
|
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<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  SCIP_Bool is_stored;</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddSolFree(scip, &solution, &is_stored));</div>
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|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  </div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> }</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  </div>
|
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<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="comment">// Returns "" iff the model seems valid for SCIP, else returns a human-readable</span></div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="comment">// error message. Assumes that FindErrorInMPModelProto(model) found no error.</span></div>
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<div class="line"><a name="l00533"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a1af5034c3ae4d9e97bd8753ec6cf8c8c"> 533</a></span> std::string <a class="code" href="namespaceoperations__research.html#a1af5034c3ae4d9e97bd8753ec6cf8c8c">FindErrorInMPModelForScip</a>(<span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, SCIP* scip) {</div>
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|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(scip != <span class="keyword">nullptr</span>);</div>
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|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> infinity = SCIPinfinity(scip);</div>
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|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  </div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size(); ++v) {</div>
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|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keyword">const</span> MPVariableProto& variable = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(v);</div>
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|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordflow">if</span> (variable.lower_bound() >= infinity) {</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="stringliteral">"Variable %i's lower bound is considered +infinity"</span>, v);</div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  }</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">if</span> (variable.upper_bound() <= -infinity) {</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="stringliteral">"Variable %i's upper bound is considered -infinity"</span>, v);</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  }</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> coeff = variable.objective_coefficient();</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">if</span> (coeff >= infinity || coeff <= -infinity) {</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="stringliteral">"Variable %i's objective coefficient is considered infinite"</span>, v);</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  }</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  }</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  </div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint_size(); ++c) {</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keyword">const</span> MPConstraintProto& cst = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(c);</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keywordflow">if</span> (cst.lower_bound() >= infinity) {</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="stringliteral">"Constraint %d's lower_bound is considered +infinity"</span>, c);</div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  }</div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">if</span> (cst.upper_bound() <= -infinity) {</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="stringliteral">"Constraint %d's upper_bound is considered -infinity"</span>, c);</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  }</div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < cst.coefficient_size(); ++i) {</div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keywordflow">if</span> (std::abs(cst.coefficient(i)) >= infinity) {</div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="stringliteral">"Constraint %d's coefficient #%d is considered infinite"</span>, c, i);</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  }</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  }</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  </div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.general_constraint_size(); ++c) {</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keyword">const</span> MPGeneralConstraintProto& cst = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.general_constraint(c);</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="keywordflow">switch</span> (cst.general_constraint_case()) {</div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kQuadraticConstraint:</div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keywordflow">if</span> (cst.quadratic_constraint().lower_bound() >= infinity) {</div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="stringliteral">"Quadratic constraint %d's lower_bound is considered +infinity"</span>,</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  c);</div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  }</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordflow">if</span> (cst.quadratic_constraint().upper_bound() <= -infinity) {</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="stringliteral">"Quadratic constraint %d's upper_bound is considered -infinity"</span>,</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  c);</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  }</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < cst.quadratic_constraint().coefficient_size();</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  ++i) {</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="routing__search_8cc.html#ab66ad179c8a6fcf1adb958cb51f4c7cb">coefficient</a> = cst.quadratic_constraint().coefficient(i);</div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__search_8cc.html#ab66ad179c8a6fcf1adb958cb51f4c7cb">coefficient</a> >= infinity || <a class="code" href="routing__search_8cc.html#ab66ad179c8a6fcf1adb958cb51f4c7cb">coefficient</a> <= -infinity) {</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="stringliteral">"Quadratic constraint %d's linear coefficient #%d considered "</span></div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="stringliteral">"infinite"</span>,</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  c, i);</div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  }</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  }</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < cst.quadratic_constraint().qcoefficient_size();</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  ++i) {</div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> qcoefficient =</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  cst.quadratic_constraint().qcoefficient(i);</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">if</span> (qcoefficient >= infinity || qcoefficient <= -infinity) {</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="stringliteral">"Quadratic constraint %d's quadratic coefficient #%d "</span></div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="stringliteral">"considered infinite"</span>,</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  c, i);</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  }</div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  }</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kMinConstraint:</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">if</span> (cst.min_constraint().constant() >= infinity ||</div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  cst.min_constraint().constant() <= -infinity) {</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="stringliteral">"Min constraint %d's coefficient constant considered infinite"</span>,</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  c);</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  }</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kMaxConstraint:</div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keywordflow">if</span> (cst.max_constraint().constant() >= infinity ||</div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  cst.max_constraint().constant() <= -infinity) {</div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="stringliteral">"Max constraint %d's coefficient constant considered infinite"</span>,</div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  c);</div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  }</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  }</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  }</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  </div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keyword">const</span> MPQuadraticObjective& quad_obj = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.quadratic_objective();</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < quad_obj.coefficient_size(); ++i) {</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="keywordflow">if</span> (std::abs(quad_obj.coefficient(i)) >= infinity) {</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="stringliteral">"Quadratic objective term #%d's coefficient is considered infinite"</span>,</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  i);</div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  }</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  }</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  </div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.has_solution_hint()) {</div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_value_size(); ++i) {</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_value(i);</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> >= infinity || <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> <= -infinity) {</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="stringliteral">"Variable %i's solution hint is considered infinite"</span>,</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_index(i));</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  }</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  }</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  }</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  </div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective_offset() >= infinity ||</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective_offset() <= -infinity) {</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="keywordflow">return</span> <span class="stringliteral">"Model's objective offset is considered infinite."</span>;</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  }</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  </div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span> }</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  </div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a2b332c199c0cef58c53a677fdfa4996d"> 657</a></span> absl::StatusOr<MPSolutionResponse> <a class="code" href="namespaceoperations__research.html#a2b332c199c0cef58c53a677fdfa4996d">ScipSolveProto</a>(</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keyword">const</span> MPModelRequest& request) {</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  MPSolutionResponse <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keyword">const</span> absl::optional<LazyMutableCopy<MPModelProto>> optional_model =</div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <a class="code" href="namespaceoperations__research.html#a9719cad5eece9b747a6332dd39126f0c">ExtractValidMPModelOrPopulateResponseStatus</a>(request, &<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keywordflow">if</span> (!optional_model) <span class="keywordflow">return</span> <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a> = optional_model->get();</div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  SCIP* scip = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  std::vector<SCIP_VAR*> scip_variables(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size(), <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  std::vector<SCIP_CONS*> scip_constraints(</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint_size() + <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.general_constraint_size(), <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  </div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keyword">auto</span> delete_scip_objects = [&]() -> absl::Status {</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="comment">// Release all created pointers.</span></div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="keywordflow">if</span> (scip == <span class="keyword">nullptr</span>) <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keywordflow">for</span> (SCIP_VAR* variable : scip_variables) {</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keywordflow">if</span> (variable != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPreleaseVar(scip, &variable));</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  }</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  }</div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">for</span> (SCIP_CONS* constraint : scip_constraints) {</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keywordflow">if</span> (constraint != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPreleaseCons(scip, &constraint));</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  }</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  }</div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPfree(&scip));</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  };</div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  </div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keyword">auto</span> scip_deleter = <a class="code" href="namespaceabsl.html#a9bfb260a67150f0bc1da17aac9199866">absl::MakeCleanup</a>([delete_scip_objects]() {</div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keyword">const</span> absl::Status deleter_status = delete_scip_objects();</div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <a class="code" href="base_2logging_8h.html#a09f7d88282cf92c9f231270ac113e5c6">LOG_IF</a>(DFATAL, !deleter_status.ok()) << deleter_status;</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  });</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  </div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreate(&scip));</div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPincludeDefaultPlugins(scip));</div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="keyword">const</span> std::string scip_model_invalid_error =</div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <a class="code" href="namespaceoperations__research.html#a1af5034c3ae4d9e97bd8753ec6cf8c8c">FindErrorInMPModelForScip</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, scip);</div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">if</span> (!scip_model_invalid_error.empty()) {</div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba5d004f74784501a516258dff6b7740ec">MPSOLVER_MODEL_INVALID</a>);</div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(scip_model_invalid_error);</div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">return</span> <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  }</div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  </div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="keyword">const</span> <span class="keyword">auto</span> parameters_status = <a class="code" href="namespaceoperations__research.html#a6c33a211b2fdb0b6e816dc8e3f99c6f3">LegacyScipSetSolverSpecificParameters</a>(</div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  request.solver_specific_parameters(), scip);</div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keywordflow">if</span> (!parameters_status.ok()) {</div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1bae98571c24fbf68a473b3d93ca45c6e7a">MPSOLVER_MODEL_INVALID_SOLVER_PARAMETERS</a>);</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(</div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  std::string(parameters_status.message())); <span class="comment">// NOLINT</span></div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">return</span> <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  }</div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="comment">// Default clock type. We use wall clock time because getting CPU user seconds</span></div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="comment">// involves calling times() which is very expensive.</span></div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="comment">// NOTE(user): Also, time limit based on CPU user seconds is *NOT* thread</span></div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <span class="comment">// safe. We observed that different instances of SCIP running concurrently</span></div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="comment">// in different threads consume the time limit *together*. E.g., 2 threads</span></div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="comment">// running SCIP with time limit 10s each will both terminate after ~5s.</span></div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  SCIPsetIntParam(scip, <span class="stringliteral">"timing/clocktype"</span>, SCIP_CLOCKTYPE_WALL));</div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordflow">if</span> (request.solver_time_limit_seconds() > 0 &&</div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  request.solver_time_limit_seconds() < 1e20) {</div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPsetRealParam(scip, <span class="stringliteral">"limits/time"</span>,</div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  request.solver_time_limit_seconds()));</div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  }</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  SCIPsetMessagehdlrQuiet(scip, !request.enable_internal_solver_output());</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  </div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateProbBasic(scip, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.name().c_str()));</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.maximize()) {</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPsetObjsense(scip, SCIP_OBJSENSE_MAXIMIZE));</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  }</div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  </div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size(); ++v) {</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="keyword">const</span> MPVariableProto& variable = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(v);</div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateVarBasic(</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  scip, <span class="comment">/*var=*/</span>&scip_variables[v], <span class="comment">/*name=*/</span>variable.name().c_str(),</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="comment">/*lb=*/</span>variable.lower_bound(), <span class="comment">/*ub=*/</span>variable.upper_bound(),</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="comment">/*obj=*/</span>variable.objective_coefficient(),</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="comment">/*vartype=*/</span>variable.is_integer() ? SCIP_VARTYPE_INTEGER</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  : SCIP_VARTYPE_CONTINUOUS));</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddVar(scip, scip_variables[v]));</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  }</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  </div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  {</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  std::vector<SCIP_VAR*> ct_variables;</div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  std::vector<double> ct_coefficients;</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint_size(); ++c) {</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="keyword">const</span> MPConstraintProto& constraint = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(c);</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = constraint.var_index_size();</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  ct_variables.resize(size, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  ct_coefficients.resize(size, 0);</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  ct_variables[i] = scip_variables[constraint.var_index(i)];</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  ct_coefficients[i] = constraint.coefficient(i);</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  }</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPcreateConsLinear(</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  scip, <span class="comment">/*cons=*/</span>&scip_constraints[c],</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  <span class="comment">/*name=*/</span>constraint.name().c_str(),</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="comment">/*nvars=*/</span>constraint.var_index_size(), <span class="comment">/*vars=*/</span>ct_variables.data(),</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <span class="comment">/*vals=*/</span>ct_coefficients.data(),</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="comment">/*lhs=*/</span>constraint.lower_bound(), <span class="comment">/*rhs=*/</span>constraint.upper_bound(),</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="comment">/*initial=*/</span>!constraint.is_lazy(),</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="comment">/*separate=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="comment">/*enforce=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="comment">/*check=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="comment">/*propagate=*/</span><span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <span class="comment">/*local=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="comment">/*modifiable=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="comment">/*dynamic=*/</span><span class="keyword">false</span>,</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="comment">/*removable=*/</span>constraint.is_lazy(),</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="comment">/*stickingatnode=*/</span><span class="keyword">false</span>));</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddCons(scip, scip_constraints[c]));</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  }</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  </div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  <span class="comment">// These extra arrays are used by quadratic constraints.</span></div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  std::vector<SCIP_VAR*> ct_qvariables1;</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  std::vector<SCIP_VAR*> ct_qvariables2;</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  std::vector<double> ct_qcoefficients;</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> lincst_size = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint_size();</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.general_constraint_size(); ++c) {</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <span class="keyword">const</span> MPGeneralConstraintProto& gen_cst = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.general_constraint(c);</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordflow">switch</span> (gen_cst.general_constraint_case()) {</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kIndicatorConstraint: {</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddIndicatorConstraint(</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  gen_cst, scip, &scip_constraints[lincst_size + c],</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  &scip_variables, &scip_constraints, &ct_variables,</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  &ct_coefficients));</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  }</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kSosConstraint: {</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddSosConstraint(gen_cst, scip_variables, scip,</div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  &scip_constraints[lincst_size + c],</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  &ct_variables, &ct_coefficients));</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  }</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kQuadraticConstraint: {</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddQuadraticConstraint(</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  gen_cst, scip_variables, scip, &scip_constraints[lincst_size + c],</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  &ct_variables, &ct_coefficients, &ct_qvariables1, &ct_qvariables2,</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  &ct_qcoefficients));</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  }</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kAbsConstraint: {</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddAbsConstraint(gen_cst, scip_variables, scip,</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  &scip_constraints[lincst_size + c]));</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  }</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kAndConstraint: {</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddAndConstraint(gen_cst, scip_variables, scip,</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  &scip_constraints[lincst_size + c],</div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  &ct_variables));</div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  }</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kOrConstraint: {</div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddOrConstraint(gen_cst, scip_variables, scip,</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  &scip_constraints[lincst_size + c],</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  &ct_variables));</div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  }</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kMinConstraint:</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kMaxConstraint: {</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddMinMaxConstraint(</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  gen_cst, scip_variables, scip, &scip_constraints[lincst_size + c],</div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  &scip_constraints, &ct_variables));</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  }</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keywordflow">return</span> absl::UnimplementedError(</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  absl::StrFormat(<span class="stringliteral">"General constraints of type %i not supported."</span>,</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  gen_cst.general_constraint_case()));</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  }</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  }</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  }</div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  </div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.has_quadratic_objective()) {</div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddQuadraticObjective(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.quadratic_objective(), scip,</div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  &scip_variables, &scip_constraints));</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  }</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPaddOrigObjoffset(scip, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective_offset()));</div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(AddSolutionHint(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, scip, scip_variables));</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  </div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="keywordflow">if</span> (!absl::GetFlag(FLAGS_scip_proto_solver_output_cip_file).empty()) {</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  SCIPwriteOrigProblem(</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  scip, absl::GetFlag(FLAGS_scip_proto_solver_output_cip_file).c_str(),</div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="keyword">nullptr</span>, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  }</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <a class="code" href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a>(SCIPsolve(scip));</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  </div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  SCIP_SOL* <span class="keyword">const</span> solution = SCIPgetBestSol(scip);</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">if</span> (solution != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_objective_value(SCIPgetSolOrigObj(scip, solution));</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_best_objective_bound(SCIPgetDualbound(scip));</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size(); ++v) {</div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = SCIPgetSolVal(scip, solution, scip_variables[v]);</div>
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<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(v).is_integer()) <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = std::round(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.add_variable_value(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  }</div>
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|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  }</div>
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|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  </div>
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|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keyword">const</span> SCIP_STATUS scip_status = SCIPgetStatus(scip);</div>
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<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keywordflow">switch</span> (scip_status) {</div>
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<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="keywordflow">case</span> SCIP_STATUS_OPTIMAL:</div>
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|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba9cff14a44a54cc44f4b91d65e8cd73b1">MPSOLVER_OPTIMAL</a>);</div>
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|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="keywordflow">case</span> SCIP_STATUS_GAPLIMIT:</div>
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|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="comment">// To be consistent with the other solvers.</span></div>
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|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba9cff14a44a54cc44f4b91d65e8cd73b1">MPSOLVER_OPTIMAL</a>);</div>
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<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keywordflow">case</span> SCIP_STATUS_INFORUNBD:</div>
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<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="comment">// NOTE(user): After looking at the SCIP code on 2019-06-14, it seems</span></div>
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|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="comment">// that this will mostly happen for INFEASIBLE problems in practice.</span></div>
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<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="comment">// Since most (all?) users shouldn't have their application behave very</span></div>
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<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="comment">// differently upon INFEASIBLE or UNBOUNDED, the potential error that we</span></div>
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|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="comment">// are making here seems reasonable (and not worth a LOG, unless in</span></div>
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<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="comment">// debug mode).</span></div>
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|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <a class="code" href="base_2logging_8h.html#a30c3e3c313489ab5e42bb12fcfcc5968">DLOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"SCIP solve returned SCIP_STATUS_INFORUNBD, which we treat "</span></div>
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<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="stringliteral">"as INFEASIBLE even though it may mean UNBOUNDED."</span>;</div>
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|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(</div>
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<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="stringliteral">"The model may actually be unbounded: SCIP returned "</span></div>
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|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <span class="stringliteral">"SCIP_STATUS_INFORUNBD"</span>);</div>
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|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  ABSL_FALLTHROUGH_INTENDED;</div>
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|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="keywordflow">case</span> SCIP_STATUS_INFEASIBLE:</div>
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|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba12a89c0e1b72e6c40e8c0ed16afa48a6">MPSOLVER_INFEASIBLE</a>);</div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <span class="keywordflow">case</span> SCIP_STATUS_UNBOUNDED:</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba4b81d5eafe0b99411fc94d676bc286db">MPSOLVER_UNBOUNDED</a>);</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keywordflow">default</span>:</div>
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|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keywordflow">if</span> (solution != <span class="keyword">nullptr</span>) {</div>
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|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1badbeb0b2ee95779317b20e5876609bf04">MPSOLVER_FEASIBLE</a>);</div>
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|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status(<a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2">MPSOLVER_NOT_SOLVED</a>);</div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.set_status_str(absl::StrFormat(<span class="stringliteral">"SCIP status code %d"</span>,</div>
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|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(scip_status)));</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  }</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  }</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  </div>
|
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<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"ScipSolveProto() status="</span></div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  << <a class="code" href="namespaceoperations__research.html#a188641a1ab5a4dda11c00a11149b07d4">MPSolverResponseStatus_Name</a>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status()) << <span class="stringliteral">"."</span>;</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="keywordflow">return</span> <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>;</div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> }</div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  </div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span> } <span class="comment">// namespace operations_research</span></div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  </div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> <span class="preprocessor">#endif </span><span class="comment">// #if defined(USE_SCIP)</span></div>
|
|
<div class="ttc" id="abase_2logging_8h_html_a09f7d88282cf92c9f231270ac113e5c6"><div class="ttname"><a href="base_2logging_8h.html#a09f7d88282cf92c9f231270ac113e5c6">LOG_IF</a></div><div class="ttdeci">#define LOG_IF(severity, condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00479">base/logging.h:479</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a30c3e3c313489ab5e42bb12fcfcc5968"><div class="ttname"><a href="base_2logging_8h.html#a30c3e3c313489ab5e42bb12fcfcc5968">DLOG</a></div><div class="ttdeci">#define DLOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00875">base/logging.h:875</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00697">base/logging.h:697</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00978">base/logging.h:978</a></div></div>
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<div class="ttc" id="acleanup_8h_html"><div class="ttname"><a href="cleanup_8h.html">cleanup.h</a></div></div>
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<div class="ttc" id="acommandlineflags_8h_html"><div class="ttname"><a href="commandlineflags_8h.html">commandlineflags.h</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_abcd33b18ce6d5a90a4ba5c37cfa58829"><div class="ttname"><a href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a></div><div class="ttdeci">SharedResponseManager * response</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02118">cp_model_solver.cc:2118</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00808">default_search.cc:808</a></div></div>
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<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</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#l00272">gurobi_interface.cc:272</a></div></div>
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<div class="ttc" id="alazy__mutable__copy_8h_html"><div class="ttname"><a href="lazy__mutable__copy_8h.html">lazy_mutable_copy.h</a></div></div>
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<div class="ttc" id="alegacy__scip__params_8h_html"><div class="ttname"><a href="legacy__scip__params_8h.html">legacy_scip_params.h</a></div></div>
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<div class="ttc" id="alinear__solver_8pb_8h_html"><div class="ttname"><a href="linear__solver_8pb_8h.html">linear_solver.pb.h</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_ab4a2cbab234914b320b7fae11b6e8cb9"><div class="ttname"><a href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a></div><div class="ttdeci">const int INFO</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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<div class="ttc" id="amodel__validator_8h_html"><div class="ttname"><a href="model__validator_8h.html">model_validator.h</a></div></div>
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<div class="ttc" id="anamespaceabsl_html_a9bfb260a67150f0bc1da17aac9199866"><div class="ttname"><a href="namespaceabsl.html#a9bfb260a67150f0bc1da17aac9199866">absl::MakeCleanup</a></div><div class="ttdeci">absl::Cleanup< absl::decay_t< Callback > > MakeCleanup(Callback &&callback)</div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00120">cleanup.h:120</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1glop_html_af9a790b7e8c5b0c6d55b336177378e78"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">operations_research::glop::kInfinity</a></div><div class="ttdeci">const double kInfinity</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00083">lp_types.h:83</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">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</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_a188641a1ab5a4dda11c00a11149b07d4"><div class="ttname"><a href="namespaceoperations__research.html#a188641a1ab5a4dda11c00a11149b07d4">operations_research::MPSolverResponseStatus_Name</a></div><div class="ttdeci">const std::string & MPSolverResponseStatus_Name(T enum_t_value)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00248">linear_solver.pb.h:248</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a1af5034c3ae4d9e97bd8753ec6cf8c8c"><div class="ttname"><a href="namespaceoperations__research.html#a1af5034c3ae4d9e97bd8753ec6cf8c8c">operations_research::FindErrorInMPModelForScip</a></div><div class="ttdeci">std::string FindErrorInMPModelForScip(const MPModelProto &model, SCIP *scip)</div><div class="ttdef"><b>Definition:</b> <a href="scip__proto__solver_8cc_source.html#l00533">scip_proto_solver.cc:533</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a2b332c199c0cef58c53a677fdfa4996d"><div class="ttname"><a href="namespaceoperations__research.html#a2b332c199c0cef58c53a677fdfa4996d">operations_research::ScipSolveProto</a></div><div class="ttdeci">absl::StatusOr< MPSolutionResponse > ScipSolveProto(const MPModelRequest &request)</div><div class="ttdef"><b>Definition:</b> <a href="scip__proto__solver_8cc_source.html#l00657">scip_proto_solver.cc:657</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a6c33a211b2fdb0b6e816dc8e3f99c6f3"><div class="ttname"><a href="namespaceoperations__research.html#a6c33a211b2fdb0b6e816dc8e3f99c6f3">operations_research::LegacyScipSetSolverSpecificParameters</a></div><div class="ttdeci">absl::Status LegacyScipSetSolverSpecificParameters(const std::string &parameters, SCIP *scip)</div><div class="ttdef"><b>Definition:</b> <a href="legacy__scip__params_8cc_source.html#l00032">legacy_scip_params.cc:32</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a9719cad5eece9b747a6332dd39126f0c"><div class="ttname"><a href="namespaceoperations__research.html#a9719cad5eece9b747a6332dd39126f0c">operations_research::ExtractValidMPModelOrPopulateResponseStatus</a></div><div class="ttdeci">absl::optional< LazyMutableCopy< MPModelProto > > ExtractValidMPModelOrPopulateResponseStatus(const MPModelRequest &request, MPSolutionResponse *response)</div><div class="ttdoc">If the model is valid and non-empty, returns it (possibly after extracting the model_delta).</div><div class="ttdef"><b>Definition:</b> <a href="model__validator_8cc_source.html#l00531">model_validator.cc:531</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba12a89c0e1b72e6c40e8c0ed16afa48a6"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba12a89c0e1b72e6c40e8c0ed16afa48a6">operations_research::MPSOLVER_INFEASIBLE</a></div><div class="ttdeci">@ MPSOLVER_INFEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00230">linear_solver.pb.h:230</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba3955ab5aa529fab85eb3566271a043e2">operations_research::MPSOLVER_NOT_SOLVED</a></div><div class="ttdeci">@ MPSOLVER_NOT_SOLVED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00233">linear_solver.pb.h:233</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba4b81d5eafe0b99411fc94d676bc286db"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba4b81d5eafe0b99411fc94d676bc286db">operations_research::MPSOLVER_UNBOUNDED</a></div><div class="ttdeci">@ MPSOLVER_UNBOUNDED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00231">linear_solver.pb.h:231</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba5d004f74784501a516258dff6b7740ec"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba5d004f74784501a516258dff6b7740ec">operations_research::MPSOLVER_MODEL_INVALID</a></div><div class="ttdeci">@ MPSOLVER_MODEL_INVALID</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00236">linear_solver.pb.h:236</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1ba9cff14a44a54cc44f4b91d65e8cd73b1"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba9cff14a44a54cc44f4b91d65e8cd73b1">operations_research::MPSOLVER_OPTIMAL</a></div><div class="ttdeci">@ MPSOLVER_OPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00228">linear_solver.pb.h:228</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1badbeb0b2ee95779317b20e5876609bf04"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1badbeb0b2ee95779317b20e5876609bf04">operations_research::MPSOLVER_FEASIBLE</a></div><div class="ttdeci">@ MPSOLVER_FEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00229">linear_solver.pb.h:229</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aeaeaf340789f2dd271dcf9204279cb1bae98571c24fbf68a473b3d93ca45c6e7a"><div class="ttname"><a href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1bae98571c24fbf68a473b3d93ca45c6e7a">operations_research::MPSOLVER_MODEL_INVALID_SOLVER_PARAMETERS</a></div><div class="ttdeci">@ MPSOLVER_MODEL_INVALID_SOLVER_PARAMETERS</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l00238">linear_solver.pb.h:238</a></div></div>
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<div class="ttc" id="arouting__search_8cc_html_ab66ad179c8a6fcf1adb958cb51f4c7cb"><div class="ttname"><a href="routing__search_8cc.html#ab66ad179c8a6fcf1adb958cb51f4c7cb">coefficient</a></div><div class="ttdeci">int64 coefficient</div><div class="ttdef"><b>Definition:</b> <a href="routing__search_8cc_source.html#l00973">routing_search.cc:973</a></div></div>
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<div class="ttc" id="ascip__helper__macros_8h_html"><div class="ttname"><a href="scip__helper__macros_8h.html">scip_helper_macros.h</a></div></div>
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<div class="ttc" id="ascip__helper__macros_8h_html_a0bfa86b99ad635aeb448799ddf03cb1c"><div class="ttname"><a href="scip__helper__macros_8h.html#a0bfa86b99ad635aeb448799ddf03cb1c">RETURN_IF_SCIP_ERROR</a></div><div class="ttdeci">#define RETURN_IF_SCIP_ERROR(x)</div><div class="ttdef"><b>Definition:</b> <a href="scip__helper__macros_8h_source.html#l00043">scip_helper_macros.h:43</a></div></div>
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<div class="ttc" id="ascip__proto__solver_8cc_html_abd48e1f129a1b82575d25e61c1568b3d"><div class="ttname"><a href="scip__proto__solver_8cc.html#abd48e1f129a1b82575d25e61c1568b3d">ABSL_FLAG</a></div><div class="ttdeci">ABSL_FLAG(std::string, scip_proto_solver_output_cip_file, "", "If given, saves the generated CIP file here. Useful for " "reporting bugs to SCIP.")</div></div>
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<div class="ttc" id="ascip__proto__solver_8h_html"><div class="ttname"><a href="scip__proto__solver_8h.html">scip_proto_solver.h</a></div></div>
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<div class="ttc" id="astatus__macros_8h_html"><div class="ttname"><a href="status__macros_8h.html">status_macros.h</a></div></div>
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<div class="ttc" id="astatus__macros_8h_html_acdc223d8c59d5c591dc6b4e88257627b"><div class="ttname"><a href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(expr)</div><div class="ttdef"><b>Definition:</b> <a href="status__macros_8h_source.html#l00027">status_macros.h:27</a></div></div>
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