1034 lines
169 KiB
HTML
1034 lines
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<div class="title">model_validator.cc</div> </div>
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<a href="model__validator_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">#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="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 <algorithm></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <cmath></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <limits></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "absl/strings/match.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "absl/strings/str_cat.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "absl/types/optional.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="accurate__sum_8h.html">ortools/base/accurate_sum.h</a>"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</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="l00029"></a><span class="lineno"> 29</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="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="port_2file_8h.html">ortools/port/file.h</a>"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="fp__utils_8h.html">ortools/util/fp_utils.h</a>"</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="lazy__mutable__copy_8h.html">ortools/util/lazy_mutable_copy.h</a>"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="model__validator_8cc.html#a3f15a1b3b1e093ebe2375816984f938a"> 35</a></span> <a class="code" href="model__validator_8cc.html#a3f15a1b3b1e093ebe2375816984f938a">ABSL_FLAG</a>(</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">double</span>, model_validator_infinity, 1e100,</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="stringliteral">"Anything above or equal to this magnitude will be considered infinity."</span>);</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</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="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keywordtype">bool</span> IsNanOrAbsGreaterThanOrEqual(<span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, <span class="keywordtype">double</span> abs_value_threshold) {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> std::isnan(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) || std::abs(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) >= abs_value_threshold;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// Internal method to detect errors in bounds. The object passed as parameter</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// must have "lower_bound" and "upper_bound" fields.</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">template</span> <<span class="keyword">typename</span> BoundedElement></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> std::string FindErrorInBounds(<span class="keyword">const</span> BoundedElement& element,</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">double</span> abs_value_threshold) {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span> (std::isnan(element.lower_bound()) || std::isnan(element.upper_bound()) ||</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  element.lower_bound() >= abs_value_threshold ||</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  element.upper_bound() <= -abs_value_threshold ||</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  element.lower_bound() > element.upper_bound()) {</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">"Infeasible bounds: [%f, %f]"</span>, element.lower_bound(),</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  element.upper_bound());</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</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="comment">// Internal method to detect errors in a single variable.</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> std::string FindErrorInMPVariable(<span class="keyword">const</span> MPVariableProto& variable,</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">double</span> abs_value_threshold) {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> std::string bound_error =</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  FindErrorInBounds(variable, abs_value_threshold);</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (!bound_error.empty()) <span class="keywordflow">return</span> bound_error;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (variable.is_integer() &&</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  ceil(variable.lower_bound()) > floor(variable.upper_bound())) {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> absl::StrCat(</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="stringliteral">"Infeasible bounds for integer variable: ["</span>, (variable.lower_bound()),</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="stringliteral">", "</span>, (variable.upper_bound()), <span class="stringliteral">"]"</span>, <span class="stringliteral">" translate to the empty set"</span>);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(variable.objective_coefficient(),</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  abs_value_threshold)) {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Invalid objective_coefficient: "</span>,</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  (variable.objective_coefficient()));</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="keywordflow">return</span> std::string();</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> }</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="comment">// Returns an error message if 'var_indices' contains a duplicate index.</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Iterable></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> std::string FindDuplicateVarIndex(<span class="keyword">const</span> Iterable& <a class="code" href="sat_2lp__utils_8cc.html#a742ae1554f2decd63d35be3e6ff4f58d">var_indices</a>,</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  std::vector<bool>* var_mask) {</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">int</span> duplicate_var_index = -1;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> var_index : <a class="code" href="sat_2lp__utils_8cc.html#a742ae1554f2decd63d35be3e6ff4f58d">var_indices</a>) {</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> ((*var_mask)[var_index]) duplicate_var_index = var_index;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  (*var_mask)[var_index] = <span class="keyword">true</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>  <span class="comment">// Reset "var_mask" to all false, sparsely.</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> var_index : <a class="code" href="sat_2lp__utils_8cc.html#a742ae1554f2decd63d35be3e6ff4f58d">var_indices</a>) {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  (*var_mask)[var_index] = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (duplicate_var_index >= 0) {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index #"</span>, duplicate_var_index,</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="stringliteral">" appears several times"</span>);</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// Internal method to detect errors in a single constraint.</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// "var_mask" is a vector<bool> whose size is the number of variables in</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">// the model, and it will be all set to false before and after the call.</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> std::string FindErrorInMPConstraint(<span class="keyword">const</span> MPConstraintProto& constraint,</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::vector<bool>* var_mask,</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">double</span> abs_value_threshold) {</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> std::string bound_error =</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  FindErrorInBounds(constraint, abs_value_threshold);</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (!bound_error.empty()) <span class="keywordflow">return</span> bound_error;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// TODO(user): clarify explicitly, at least in a comment, whether we want</span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// to accept empty constraints (i.e. without variables).</span></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="keyword">const</span> <span class="keywordtype">int</span> num_vars_in_model = var_mask->size();</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars_in_ct = constraint.var_index_size();</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_coeffs_in_ct = constraint.coefficient_size();</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (num_vars_in_ct != num_coeffs_in_ct) {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index_size() != coefficient_size() ("</span>,</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  num_vars_in_ct, <span class="stringliteral">" VS "</span>, num_coeffs_in_ct);</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars_in_ct; ++i) {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = constraint.var_index(i);</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (var_index >= num_vars_in_model || var_index < 0) {</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index("</span>, i, <span class="stringliteral">")="</span>, var_index,</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="stringliteral">" is out of bounds"</span>);</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> coeff = constraint.coefficient(i);</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(coeff, abs_value_threshold)) {</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"coefficient("</span>, i, <span class="stringliteral">")="</span>, (coeff), <span class="stringliteral">" is invalid"</span>);</div>
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|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</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>  <span class="keyword">const</span> std::string error =</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  FindDuplicateVarIndex(constraint.var_index(), var_mask);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (!error.empty()) <span class="keywordflow">return</span> error;</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>  <span class="comment">// We found no error, all is fine.</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> std::string();</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> }</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> std::string CroppedConstraintDebugString(<span class="keyword">const</span> MPConstraintProto& constraint) {</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kMaxPrintedVars = 10;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  MPConstraintProto constraint_light = constraint;</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  std::string suffix_str;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (constraint.var_index_size() > kMaxPrintedVars) {</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  constraint_light.mutable_var_index()->Truncate(kMaxPrintedVars);</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  absl::StrAppend(&suffix_str,</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="stringliteral">" (var_index cropped; size="</span>, constraint.var_index_size(),</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="stringliteral">")."</span>);</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (constraint.coefficient_size() > kMaxPrintedVars) {</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  constraint_light.mutable_coefficient()->Truncate(kMaxPrintedVars);</div>
|
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  absl::StrAppend(&suffix_str, <span class="stringliteral">" (coefficient cropped; size="</span>,</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  constraint.coefficient_size(), <span class="stringliteral">")."</span>);</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Constraint proto: "</span>,</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="namespaceoperations__research.html#a87d7aa58897e0042898d1c2207deda18">ProtobufShortDebugString</a>(constraint_light), suffix_str);</div>
|
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> }</div>
|
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
|
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="keywordtype">bool</span> IsBoolean(<span class="keyword">const</span> MPVariableProto& variable) {</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (variable.lower_bound() < 0) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (variable.upper_bound() > 1) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> variable.is_integer();</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> }</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
|
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> std::string FindErrorInMPIndicatorConstraint(</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> MPIndicatorConstraint& indicator,</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  std::vector<bool>* var_mask, <span class="keywordtype">double</span> abs_value_threshold) {</div>
|
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (!indicator.has_var_index()) {</div>
|
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> <span class="stringliteral">"var_index is required."</span>;</div>
|
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
|
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = indicator.var_index();</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (var_index < 0 || var_index >= <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size()) {</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index="</span>, var_index, <span class="stringliteral">" is out of bounds."</span>);</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
|
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (!IsBoolean(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(var_index))) {</div>
|
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index="</span>, var_index, <span class="stringliteral">" is not Boolean."</span>);</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_value = indicator.var_value();</div>
|
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (var_value < 0 || var_value > 1) {</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_value="</span>, var_value, <span class="stringliteral">" must be 0 or 1."</span>);</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> MPConstraintProto& constraint = indicator.constraint();</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  std::string error =</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  FindErrorInMPConstraint(constraint, var_mask, abs_value_threshold);</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// Constraint protos can be huge, theoretically. So we guard against</span></div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// that.</span></div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> absl::StrCat(error, <span class="stringliteral">" in constraint "</span>,</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  CroppedConstraintDebugString(constraint));</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>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</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> std::string FindErrorInMPSosConstraint(<span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">const</span> MPSosConstraint& sos,</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  std::vector<bool>* var_mask,</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">double</span> abs_value_threshold) {</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> (sos.weight_size() != 0 && sos.weight_size() != sos.var_index_size()) {</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span> <span class="stringliteral">"weight_size() > 0 and var_index_size() != weight_size()"</span>;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
|
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> var_index : sos.var_index()) {</div>
|
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (var_index < 0 || var_index >= <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size()) {</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index="</span>, var_index, <span class="stringliteral">" is out of bounds."</span>);</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < sos.weight_size(); ++i) {</div>
|
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(sos.weight(i), abs_value_threshold)) {</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Invalid weight: "</span>, sos.weight(i));</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
|
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> (i == 0) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span> (sos.weight(i - 1) >= sos.weight(i)) {</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">return</span> <span class="stringliteral">"SOS weights must be strictly increasing"</span>;</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div>
|
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
|
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">const</span> std::string error = FindDuplicateVarIndex(sos.var_index(), var_mask);</div>
|
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span> (!error.empty()) <span class="keywordflow">return</span> error;</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  </div>
|
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> }</div>
|
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  </div>
|
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> std::string FindErrorInMPQuadraticConstraint(<span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">const</span> MPQuadraticConstraint& qcst,</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  std::vector<bool>* var_mask,</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">double</span> abs_value_threshold) {</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size();</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  </div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (qcst.var_index_size() != qcst.coefficient_size()) {</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> <span class="stringliteral">"var_index_size() != coefficient_size()"</span>;</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
|
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div>
|
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">const</span> std::string bound_error = FindErrorInBounds(qcst, abs_value_threshold);</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (!bound_error.empty()) <span class="keywordflow">return</span> bound_error;</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < qcst.var_index_size(); ++i) {</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> (qcst.var_index(i) < 0 || qcst.var_index(i) >= num_vars) {</div>
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|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index("</span>, i, <span class="stringliteral">")="</span>, qcst.var_index(i),</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="stringliteral">" is invalid."</span>, <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  </div>
|
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(qcst.coefficient(i),</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  abs_value_threshold)) {</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"coefficient("</span>, i, <span class="stringliteral">")="</span>, qcst.coefficient(i),</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="stringliteral">" is invalid"</span>);</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">const</span> std::string duplicate_error =</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  FindDuplicateVarIndex(qcst.var_index(), var_mask);</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (!duplicate_error.empty()) <span class="keywordflow">return</span> duplicate_error;</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  </div>
|
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> (qcst.qvar1_index_size() != qcst.qvar2_index_size() ||</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  qcst.qvar1_index_size() != qcst.qcoefficient_size()) {</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">return</span> <span class="stringliteral">"quadratic indices and coefficients must have the same size"</span>;</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < qcst.qvar1_index_size(); ++i) {</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (qcst.qvar1_index(i) >= num_vars || qcst.qvar1_index(i) < 0) {</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"qvar1_index("</span>, i, <span class="stringliteral">")="</span>, qcst.qvar1_index(i),</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="stringliteral">" is invalid."</span>, <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
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|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  </div>
|
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">if</span> (qcst.qvar2_index(i) >= num_vars || qcst.qvar2_index(i) < 0) {</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"qvar2_index("</span>, i, <span class="stringliteral">")="</span>, qcst.qvar2_index(i),</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="stringliteral">" is invalid."</span>, <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  }</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="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(qcst.qcoefficient(i),</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  abs_value_threshold)) {</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"qcoefficient("</span>, i, <span class="stringliteral">")="</span>, qcst.qcoefficient(i),</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="stringliteral">" is invalid"</span>);</div>
|
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
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|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
|
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
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|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> }</div>
|
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  </div>
|
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> std::string FindErrorInMPAbsConstraint(<span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keyword">const</span> MPAbsConstraint& abs) {</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (!abs.has_var_index()) {</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> <span class="stringliteral">"var_index is required."</span>;</div>
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|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div>
|
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (!abs.has_resultant_var_index()) {</div>
|
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">return</span> <span class="stringliteral">"resultant_var_index is required."</span>;</div>
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|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div>
|
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size();</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">if</span> (abs.var_index() < 0 || abs.var_index() >= num_vars) {</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index="</span>, abs.var_index(), <span class="stringliteral">" is invalid."</span>,</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</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="keywordflow">if</span> (abs.resultant_var_index() < 0 || abs.resultant_var_index() >= num_vars) {</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index="</span>, abs.resultant_var_index(), <span class="stringliteral">" is invalid."</span>,</div>
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|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> }</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  </div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> std::string FindErrorInMPAndOrConstraint(<span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keyword">const</span> MPArrayConstraint& and_or) {</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span> (and_or.var_index_size() == 0) {</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> <span class="stringliteral">"var_index cannot be empty."</span>;</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (!and_or.has_resultant_var_index()) {</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span> <span class="stringliteral">"resultant_var_index is required."</span>;</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size();</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < and_or.var_index_size(); ++i) {</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">if</span> (and_or.var_index(i) < 0 || and_or.var_index(i) >= num_vars) {</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index("</span>, i, <span class="stringliteral">")="</span>, and_or.var_index(i),</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="stringliteral">" is invalid."</span>, <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (!IsBoolean(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(and_or.var_index(i)))) {</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index="</span>, i, <span class="stringliteral">" is not Boolean."</span>);</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> (and_or.resultant_var_index() < 0 ||</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  and_or.resultant_var_index() >= num_vars) {</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"resultant_var_index="</span>, and_or.resultant_var_index(),</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="stringliteral">" is invalid."</span>, <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span> (!IsBoolean(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(and_or.resultant_var_index()))) {</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"resultant_var_index is not Boolean."</span>);</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> }</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  </div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> std::string FindErrorInMPMinMaxConstraint(</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> MPArrayWithConstantConstraint& min_max,</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordtype">double</span> abs_value_threshold) {</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">if</span> (min_max.var_index_size() == 0) {</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> <span class="stringliteral">"var_index cannot be empty."</span>;</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> (!min_max.has_resultant_var_index()) {</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> <span class="stringliteral">"resultant_var_index is required."</span>;</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  }</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  </div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(min_max.constant(), abs_value_threshold)) {</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Invalid constant: "</span>, (min_max.constant()));</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size();</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < min_max.var_index_size(); ++i) {</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">if</span> (min_max.var_index(i) < 0 || min_max.var_index(i) >= num_vars) {</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index("</span>, i, <span class="stringliteral">")="</span>, min_max.var_index(i),</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="stringliteral">" is invalid."</span>, <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  }</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">if</span> (min_max.resultant_var_index() < 0 ||</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  min_max.resultant_var_index() >= num_vars) {</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"resultant_var_index="</span>, min_max.resultant_var_index(),</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="stringliteral">" is invalid."</span>, <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> }</div>
|
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
|
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> std::string FindErrorInQuadraticObjective(<span class="keyword">const</span> MPQuadraticObjective& qobj,</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordtype">int</span> num_vars,</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordtype">double</span> abs_value_threshold) {</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">if</span> (qobj.qvar1_index_size() != qobj.qvar2_index_size() ||</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  qobj.qvar1_index_size() != qobj.coefficient_size()) {</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">return</span> <span class="stringliteral">"indices and coefficients must have the same size"</span>;</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  }</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  </div>
|
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < qobj.qvar1_index_size(); ++i) {</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">if</span> (qobj.qvar1_index(i) >= num_vars || qobj.qvar1_index(i) < 0) {</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"qvar1_index("</span>, i, <span class="stringliteral">")="</span>, qobj.qvar1_index(i),</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="stringliteral">" is invalid."</span>, <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div>
|
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  </div>
|
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">if</span> (qobj.qvar2_index(i) >= num_vars || qobj.qvar2_index(i) < 0) {</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"qvar2_index("</span>, i, <span class="stringliteral">")="</span>, qobj.qvar2_index(i),</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="stringliteral">" is invalid."</span>, <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  }</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  </div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(qobj.coefficient(i),</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  abs_value_threshold)) {</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"coefficient("</span>, i, <span class="stringliteral">")="</span>, (qobj.coefficient(i)),</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="stringliteral">" is invalid"</span>);</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  }</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  }</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> }</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  </div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> std::string FindErrorInSolutionHint(</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keyword">const</span> PartialVariableAssignment& solution_hint, <span class="keywordtype">int</span> num_vars,</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordtype">double</span> abs_value_threshold) {</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (solution_hint.var_index_size() != solution_hint.var_value_size()) {</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index_size() != var_value_size() ["</span>,</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  solution_hint.var_index_size(), <span class="stringliteral">" VS "</span>,</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  solution_hint.var_value_size());</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  }</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  std::vector<bool> var_in_hint(num_vars, <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < solution_hint.var_index_size(); ++i) {</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = solution_hint.var_index(i);</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">if</span> (var_index >= num_vars || var_index < 0) {</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_index("</span>, i, <span class="stringliteral">")="</span>, var_index, <span class="stringliteral">" is invalid."</span>,</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="stringliteral">" It must be in [0, "</span>, num_vars, <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  }</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">if</span> (var_in_hint[var_index]) {</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Duplicate var_index = "</span>, var_index);</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  var_in_hint[var_index] = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(solution_hint.var_value(i),</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  abs_value_threshold)) {</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"var_value("</span>, i, <span class="stringliteral">")="</span>, (solution_hint.var_value(i)),</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="stringliteral">" is invalid"</span>);</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  }</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">return</span> std::string();</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> }</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  </div>
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<div class="line"><a name="l00416"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#aba4e66045dae6609eaff5ff1d726b2b9"> 416</a></span> std::string <a class="code" href="namespaceoperations__research.html#aba4e66045dae6609eaff5ff1d726b2b9">FindErrorInMPModelProto</a>(<span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordtype">double</span> abs_value_threshold) {</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">// NOTE(user): Empty models are considered fine by this function, although</span></div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// it is not clear whether MPSolver::Solve() will always respond in the same</span></div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">// way, depending on the solvers.</span></div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">if</span> (abs_value_threshold == 0.0) {</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  abs_value_threshold = absl::GetFlag(FLAGS_model_validator_infinity);</div>
|
|
<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>  </div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective_offset(),</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  abs_value_threshold)) {</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Invalid objective_offset: "</span>,</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.objective_offset()));</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size();</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_cts = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint_size();</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">// Validate variables.</span></div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  std::string error;</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_vars; ++i) {</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  error = FindErrorInMPVariable(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(i), abs_value_threshold);</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"In variable #"</span>, i, <span class="stringliteral">": "</span>, error, <span class="stringliteral">". Variable proto: "</span>,</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <a class="code" href="namespaceoperations__research.html#a87d7aa58897e0042898d1c2207deda18">ProtobufShortDebugString</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(i)));</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  }</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  </div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">// Validate constraints.</span></div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  std::vector<bool> variable_appears(num_vars, <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_cts; ++i) {</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keyword">const</span> MPConstraintProto& constraint = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(i);</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  error = FindErrorInMPConstraint(constraint, &variable_appears,</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  abs_value_threshold);</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="comment">// Constraint protos can be huge, theoretically. So we guard against that.</span></div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"In constraint #"</span>, i, <span class="stringliteral">": "</span>, error, <span class="stringliteral">". "</span>,</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  CroppedConstraintDebugString(constraint));</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</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>  <span class="comment">// Validate general constraints.</span></div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</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>.general_constraint_size(); ++i) {</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keyword">const</span> MPGeneralConstraintProto& gen_constraint =</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.general_constraint(i);</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  std::string error;</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">switch</span> (gen_constraint.general_constraint_case()) {</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kIndicatorConstraint:</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  error = FindErrorInMPIndicatorConstraint(</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, gen_constraint.indicator_constraint(), &variable_appears,</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  abs_value_threshold);</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  </div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kSosConstraint:</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  error =</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  FindErrorInMPSosConstraint(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, gen_constraint.sos_constraint(),</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  &variable_appears, abs_value_threshold);</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  </div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kQuadraticConstraint:</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  error = FindErrorInMPQuadraticConstraint(</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, gen_constraint.quadratic_constraint(), &variable_appears,</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  abs_value_threshold);</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  </div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kAbsConstraint:</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  error =</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  FindErrorInMPAbsConstraint(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, gen_constraint.abs_constraint());</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  </div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kAndConstraint:</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  error = FindErrorInMPAndOrConstraint(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  gen_constraint.and_constraint());</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">break</span>;</div>
|
|
<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>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kOrConstraint:</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  error =</div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  FindErrorInMPAndOrConstraint(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, gen_constraint.or_constraint());</div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  </div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kMinConstraint:</div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  error = FindErrorInMPMinMaxConstraint(</div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, gen_constraint.min_constraint(), abs_value_threshold);</div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  </div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordflow">case</span> MPGeneralConstraintProto::kMaxConstraint:</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  error = FindErrorInMPMinMaxConstraint(</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, gen_constraint.max_constraint(), abs_value_threshold);</div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Unknown general constraint type "</span>,</div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  gen_constraint.general_constraint_case());</div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  }</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"In general constraint #"</span>, i, <span class="stringliteral">": "</span>, error);</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  }</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  </div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="comment">// Validate objectives.</span></div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.has_quadratic_objective()) {</div>
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|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  error = FindErrorInQuadraticObjective(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.quadratic_objective(), num_vars,</div>
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<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  abs_value_threshold);</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">if</span> (!error.empty()) <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"In quadratic_objective: "</span>, error);</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  }</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  </div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="comment">// Validate the solution hint.</span></div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  error = FindErrorInSolutionHint(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint(), num_vars,</div>
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<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  abs_value_threshold);</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"In solution_hint(): "</span>, error);</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  }</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> std::string();</div>
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<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> }</div>
|
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<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  </div>
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<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> absl::optional<LazyMutableCopy<MPModelProto>></div>
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<div class="line"><a name="l00531"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a9719cad5eece9b747a6332dd39126f0c"> 531</a></span> <a class="code" href="namespaceoperations__research.html#a9719cad5eece9b747a6332dd39126f0c">ExtractValidMPModelOrPopulateResponseStatus</a>(<span class="keyword">const</span> MPModelRequest& request,</div>
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<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  MPSolutionResponse* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
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<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <a class="code" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a> != <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  </div>
|
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<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">if</span> (!request.has_model() && !request.has_model_delta()) {</div>
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<div class="line"><a name="l00536"></a><span class="lineno"> 536</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>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_status_str(<span class="stringliteral">"Requests without model are considered OPTIMAL"</span>);</div>
|
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<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">return</span> absl::nullopt;</div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  }</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">if</span> (request.has_model() && request.has_model_delta()) {</div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</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="l00542"></a><span class="lineno"> 542</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="l00543"></a><span class="lineno"> 543</span>  <span class="stringliteral">"Fields 'model' and 'model_delta' are mutually exclusive"</span>);</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordflow">return</span> absl::nullopt;</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  }</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="comment">// Extract the baseline model.</span></div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <a class="code" href="classoperations__research_1_1_lazy_mutable_copy.html">LazyMutableCopy<MPModelProto></a> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>(request.model());</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">if</span> (request.has_model_delta()) {</div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="comment">// NOTE(user): This library needs to be portable, so we can't include</span></div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="comment">// ortools/base/file.h; see ../port/file.h.</span></div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  std::string contents;</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keyword">const</span> absl::Status file_read_status = <a class="code" href="namespaceoperations__research.html#ac43e3957acf50834ce6c49dbd9ac391b">PortableFileGetContents</a>(</div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  request.model_delta().baseline_model_file_path(), &contents);</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordflow">if</span> (!file_read_status.ok()) {</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</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="l00557"></a><span class="lineno"> 557</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_status_str(</div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="stringliteral">"Error when reading model_delta.baseline_model_file_path: '"</span> +</div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  file_read_status.ToString());</div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">return</span> absl::nullopt;</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  }</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get_mutable()->ParseFromString(contents)) {</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</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="l00564"></a><span class="lineno"> 564</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_status_str(</div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  absl::StrFormat(<span class="stringliteral">"The contents of baseline model file '%s' couldn't "</span></div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="stringliteral">"be parsed as a raw serialized MPModelProto"</span>,</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  request.model_delta().baseline_model_file_path()));</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordflow">return</span> absl::nullopt;</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="comment">// Validate the baseline model.</span></div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  std::string error = <a class="code" href="namespaceoperations__research.html#aba4e66045dae6609eaff5ff1d726b2b9">FindErrorInMPModelProto</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get());</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  </div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="comment">// If the baseline is valid and we have a model delta, validate the delta,</span></div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="comment">// then apply it.</span></div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordflow">if</span> (error.empty() && request.has_model_delta()) {</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keyword">const</span> MPModelDeltaProto& <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a> = request.model_delta();</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  error = <a class="code" href="namespaceoperations__research.html#a1fe0ce1e27e08e817ec6f105976b729f">FindErrorInMPModelDeltaProto</a>(<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get());</div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">if</span> (error.empty()) <a class="code" href="namespaceoperations__research.html#a5fa4ae40c78d7a248efb26fde93fb805">ApplyVerifiedMPModelDelta</a>(<a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get_mutable());</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  }</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  </div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="comment">// Deal with errors.</span></div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">if</span> (request.enable_internal_solver_output()) {</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">ERROR</a>) << absl::StrCat(<span class="stringliteral">"Invalid model: "</span>, error);</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  }</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_status(absl::StrContains(error, <span class="stringliteral">"Infeasible"</span>)</div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  ? <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba12a89c0e1b72e6c40e8c0ed16afa48a6">MPSOLVER_INFEASIBLE</a></div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  : <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba5d004f74784501a516258dff6b7740ec">MPSOLVER_MODEL_INVALID</a>);</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_status_str(error);</div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordflow">return</span> absl::nullopt;</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  }</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>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get().variable_size() == 0 && <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get().constraint_size() == 0 &&</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get().general_constraint_size() == 0) {</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</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>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_objective_value(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get().objective_offset());</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_best_objective_bound(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->objective_value());</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>->set_status_str(</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="stringliteral">"Requests without variables and constraints are considered OPTIMAL"</span>);</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keywordflow">return</span> absl::nullopt;</div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  }</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  </div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">return</span> std::move(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</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>  </div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a028894df65f61e94b6a406ed76901abf"> 608</a></span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#a028894df65f61e94b6a406ed76901abf">ExtractValidMPModelInPlaceOrPopulateResponseStatus</a>(</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  MPModelRequest* request, MPSolutionResponse* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  absl::optional<LazyMutableCopy<MPModelProto>> lazy_copy =</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</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="l00612"></a><span class="lineno"> 612</span>  <span class="keywordflow">if</span> (!lazy_copy) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="keywordflow">if</span> (lazy_copy->was_copied()) {</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  lazy_copy->get_mutable()->Swap(request->mutable_model());</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  }</div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> }</div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  </div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> <span class="comment">// TODO(user): Add a general FindFeasibilityErrorInSolution() and factor out the</span></div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <span class="comment">// common code.</span></div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#ad30505c27ac9dd7ded3396e750cbff5f"> 621</a></span> std::string <a class="code" href="namespaceoperations__research.html#ad30505c27ac9dd7ded3396e750cbff5f">FindFeasibilityErrorInSolutionHint</a>(<span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
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|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordtype">double</span> tolerance) {</div>
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<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size();</div>
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<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  </div>
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<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="comment">// First, we validate the solution hint.</span></div>
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|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  std::string error =</div>
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<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  FindErrorInSolutionHint(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint(), num_vars,</div>
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<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  absl::GetFlag(FLAGS_model_validator_infinity));</div>
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<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">if</span> (!error.empty()) <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Invalid solution_hint: "</span>, error);</div>
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<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  </div>
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<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="comment">// Special error message for the empty case.</span></div>
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|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keywordflow">if</span> (num_vars > 0 && <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_index_size() == 0) {</div>
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<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">return</span> <span class="stringliteral">"Empty solution_hint."</span>;</div>
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<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  }</div>
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<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  </div>
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<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="comment">// To be feasible, the hint must not be partial.</span></div>
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|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_index_size() != num_vars) {</div>
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|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Partial solution_hint: only "</span>,</div>
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|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_index_size(), <span class="stringliteral">" out of the "</span>,</div>
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<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  num_vars, <span class="stringliteral">" problem variables are set."</span>);</div>
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|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  }</div>
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<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  </div>
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<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="comment">// All the values must be exactly in the variable bounds.</span></div>
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<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  std::vector<double> var_value(num_vars);</div>
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<div class="line"><a name="l00645"></a><span class="lineno"> 645</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_index_size(); ++i) {</div>
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<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_index(i);</div>
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<div class="line"><a name="l00647"></a><span class="lineno"> 647</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>
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<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  var_value[var_index] = <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
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<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> lb = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(var_index).lower_bound();</div>
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<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> ub = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(var_index).upper_bound();</div>
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<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research.html#a096ed4f933f943ccb8859e0dc08b06ca">IsSmallerWithinTolerance</a>(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, ub, tolerance) ||</div>
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<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  !<a class="code" href="namespaceoperations__research.html#a096ed4f933f943ccb8859e0dc08b06ca">IsSmallerWithinTolerance</a>(lb, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, tolerance)) {</div>
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<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">"Variable '"</span>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(var_index).name(),</div>
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<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="stringliteral">"' is set to "</span>, (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>),</div>
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<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="stringliteral">" which is not in the variable bounds ["</span>, (lb), <span class="stringliteral">", "</span>,</div>
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<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  (ub), <span class="stringliteral">"] modulo a tolerance of "</span>, (tolerance), <span class="stringliteral">"."</span>);</div>
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<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  }</div>
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<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  }</div>
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|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  </div>
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<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="comment">// All the constraints must be satisfiable.</span></div>
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<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> cst_index = 0; cst_index < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint_size(); ++cst_index) {</div>
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<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keyword">const</span> MPConstraintProto& constraint = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(cst_index);</div>
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<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <a class="code" href="classoperations__research_1_1_accurate_sum.html">AccurateSum<double></a> activity;</div>
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<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < constraint.var_index_size(); ++j) {</div>
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<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  activity.<a class="code" href="classoperations__research_1_1_accurate_sum.html#acc8fad1f98b885fa7d0504f4dfc71f08">Add</a>(constraint.coefficient(j) *</div>
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<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  var_value[constraint.var_index(j)]);</div>
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<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  }</div>
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|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> lb = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(cst_index).lower_bound();</div>
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|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> ub = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(cst_index).upper_bound();</div>
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|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research.html#a096ed4f933f943ccb8859e0dc08b06ca">IsSmallerWithinTolerance</a>(activity.<a class="code" href="classoperations__research_1_1_accurate_sum.html#a176a3e919acd979b67cea1ede094cdaa">Value</a>(), ub, tolerance) ||</div>
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<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  !<a class="code" href="namespaceoperations__research.html#a096ed4f933f943ccb8859e0dc08b06ca">IsSmallerWithinTolerance</a>(lb, activity.<a class="code" href="classoperations__research_1_1_accurate_sum.html#a176a3e919acd979b67cea1ede094cdaa">Value</a>(), tolerance)) {</div>
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|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keywordflow">return</span> absl::StrCat(</div>
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|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="stringliteral">"Constraint '"</span>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(cst_index).name(), <span class="stringliteral">"' has activity "</span>,</div>
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<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  (activity.<a class="code" href="classoperations__research_1_1_accurate_sum.html#a176a3e919acd979b67cea1ede094cdaa">Value</a>()), <span class="stringliteral">" which is not in the constraint bounds ["</span>, (lb),</div>
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|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="stringliteral">", "</span>, (ub), <span class="stringliteral">"] modulo a tolerance of "</span>, (tolerance), <span class="stringliteral">"."</span>);</div>
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|
<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>  }</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  </div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
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|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span> }</div>
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<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  </div>
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<div class="line"><a name="l00682"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a1fe0ce1e27e08e817ec6f105976b729f"> 682</a></span> std::string <a class="code" href="namespaceoperations__research.html#a1fe0ce1e27e08e817ec6f105976b729f">FindErrorInMPModelDeltaProto</a>(<span class="keyword">const</span> MPModelDeltaProto& <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>,</div>
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<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keyword">const</span> MPModelProto& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
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<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> abs_value_threshold =</div>
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|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  absl::GetFlag(FLAGS_model_validator_infinity);</div>
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|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keywordtype">int</span> num_vars = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable_size();</div>
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|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="comment">// Validate delta variables.</span></div>
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|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  std::string error;</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  absl::flat_hash_set<int> new_var_indices;</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordtype">int</span> max_var_index = num_vars - 1;</div>
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|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  MPVariableProto tmp_var_proto;</div>
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<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& pair : <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>.variable_overrides()) {</div>
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<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = pair.first;</div>
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<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keyword">const</span> MPVariableProto& var_override_proto = pair.second;</div>
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<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">if</span> (var_index < 0) {</div>
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<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  error = <span class="stringliteral">"Invalid key"</span>;</div>
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|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (var_index >= num_vars) {</div>
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<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  max_var_index = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(max_var_index, var_index);</div>
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<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  new_var_indices.insert(var_index);</div>
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<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  error = FindErrorInMPVariable(var_override_proto, abs_value_threshold);</div>
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<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  tmp_var_proto = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(var_index);</div>
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<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="comment">// NOTE(user): It is OK for the override proto to be empty, i.e. be a</span></div>
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<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="comment">// non-override.</span></div>
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<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  tmp_var_proto.MergeFrom(var_override_proto);</div>
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<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  error = FindErrorInMPVariable(tmp_var_proto, abs_value_threshold);</div>
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<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  }</div>
|
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<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <span class="keywordflow">if</span> (!error.empty()) {</div>
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<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
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<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="stringliteral">"variable_overrides with key (eg. var index) = %d: %s"</span>, var_index,</div>
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<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  error);</div>
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<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  }</div>
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<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  }</div>
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<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="keywordflow">if</span> (max_var_index != num_vars + new_var_indices.size() - 1) {</div>
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<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
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<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="stringliteral">"The added and existing variable indices do not form a dense integer "</span></div>
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<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="stringliteral">"interval: oldmax=%d, max=%d, num added=%d"</span>,</div>
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<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  num_vars - 1, max_var_index, new_var_indices.size());</div>
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<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  }</div>
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<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="comment">// Now we "officially" add the new variables to "num_vars".</span></div>
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<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  num_vars += new_var_indices.size();</div>
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<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  </div>
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<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="comment">// Validate delta constraints. We can avoid going over the full</span></div>
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<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="comment">// var_index/coefficient of the original constraint, since the overrides are</span></div>
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<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="comment">// self-sufficient (i.e. the override var_index/coefficients are valid iff</span></div>
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<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="comment">// they would be valid in a standalone, new constraint). So we use a partial</span></div>
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<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="comment">// proto merger to avoid those in the baseline constraint.</span></div>
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|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  std::vector<bool> variable_appears(num_vars, <span class="keyword">false</span>);</div>
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<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  MPConstraintProto tmp_constraint_proto;</div>
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<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_constraints = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint_size();</div>
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<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  absl::flat_hash_set<int> new_ct_indices;</div>
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|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keywordtype">int</span> max_ct_index = num_constraints - 1;</div>
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<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& pair : <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>.constraint_overrides()) {</div>
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<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ct_index = pair.first;</div>
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|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keyword">const</span> MPConstraintProto& constraint_override_proto = pair.second;</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="keywordflow">if</span> (ct_index < 0) {</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  error = <span class="stringliteral">"Invalid constraint index"</span>;</div>
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|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ct_index >= num_constraints) {</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  max_ct_index = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(max_ct_index, ct_index);</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  new_ct_indices.insert(ct_index);</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  error = FindErrorInMPConstraint(constraint_override_proto,</div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  &variable_appears, abs_value_threshold);</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="comment">// NOTE(user): We don't need to do the merging of var_index/coefficient:</span></div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="comment">// that part of the merged constraint will be valid iff the override is</span></div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="comment">// valid as a standalone var_index/coefficient map.</span></div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="comment">// So we simply validate a reduced version of the actual "merged"</span></div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="comment">// constraint, by removing the var_index/coefficient of the baseline.</span></div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="comment">// Benefit: the complexity is O(|constraint override|) even if the</span></div>
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|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <span class="comment">// baseline constraint was huge.</span></div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  tmp_constraint_proto.Clear();</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <a class="code" href="namespaceoperations__research.html#af5d41884f3ad7b19224d25ba9bccd55a">MergeMPConstraintProtoExceptTerms</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(ct_index),</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  &tmp_constraint_proto);</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  tmp_constraint_proto.MergeFrom(constraint_override_proto);</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  error = FindErrorInMPConstraint(tmp_constraint_proto, &variable_appears,</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  abs_value_threshold);</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  }</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="keywordflow">if</span> (!error.empty()) {</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="stringliteral">"constraint_overrides with key (eg. constraint index) = %d: %s"</span>,</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  ct_index, error);</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  }</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  }</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordflow">if</span> (max_ct_index != num_constraints + new_ct_indices.size() - 1) {</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="keywordflow">return</span> absl::StrFormat(</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="stringliteral">"The added and existing constraint indices do not form a dense integer "</span></div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="stringliteral">"interval: oldmax=%d, max=%d, num added=%d"</span>,</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  num_constraints - 1, max_ct_index, new_ct_indices.size());</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="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span> }</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  </div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#af5d41884f3ad7b19224d25ba9bccd55a"> 774</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#af5d41884f3ad7b19224d25ba9bccd55a">MergeMPConstraintProtoExceptTerms</a>(<span class="keyword">const</span> MPConstraintProto& from,</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  MPConstraintProto* to) {</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> <span class="preprocessor">#define COPY_FIELD_IF_PRESENT(field) \</span></div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="preprocessor"> if (from.has_##field()) to->set_##field(from.field())</span></div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <a class="code" href="model__validator_8cc.html#aff224abb81f10208eec52534c895aa07">COPY_FIELD_IF_PRESENT</a>(lower_bound);</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <a class="code" href="model__validator_8cc.html#aff224abb81f10208eec52534c895aa07">COPY_FIELD_IF_PRESENT</a>(upper_bound);</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <a class="code" href="model__validator_8cc.html#aff224abb81f10208eec52534c895aa07">COPY_FIELD_IF_PRESENT</a>(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>);</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <a class="code" href="model__validator_8cc.html#aff224abb81f10208eec52534c895aa07">COPY_FIELD_IF_PRESENT</a>(is_lazy);</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span> <span class="preprocessor">#undef COPY_FIELD_IF_PRESENT</span></div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> }</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  </div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> <span class="keywordtype">void</span> PruneZeroTermsInMpConstraint(MPConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) {</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <span class="comment">// Optimize the fast path (when no term is pruned) by doing a first quick scan</span></div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="comment">// until the first zero.</span></div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="keywordtype">int</span> first_zero = 0;</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keywordflow">while</span> (first_zero < ct->var_index_size() &&</div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficient(first_zero) != 0.0) {</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  ++first_zero;</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  }</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordtype">int</span> num_kept = first_zero;</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = first_zero; i < <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->var_index_size(); ++i) {</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficient(i) == 0.0) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordflow">if</span> (num_kept != i) {</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->set_var_index(num_kept, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->var_index(i));</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->set_coefficient(num_kept, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficient(i));</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  }</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  ++num_kept;</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  }</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_var_index()->Truncate(num_kept);</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_coefficient()->Truncate(num_kept);</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> }</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  </div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> <span class="comment">// Adds default entries to a repeated message field until it has the wanted</span></div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span> <span class="comment">// size. We don't use google::protobuf::util::Resize() because it's not</span></div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span> <span class="comment">// compatible with 'light' protos.</span></div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span> <span class="keywordtype">void</span> ExtendRepeatedPtrFieldToSize(<span class="keyword">const</span> <span class="keywordtype">int</span> size, T* repeated_messages) {</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(size, repeated_messages->size());</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="keywordflow">while</span> (repeated_messages->size() < size) repeated_messages->Add();</div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span> }</div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  </div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a5fa4ae40c78d7a248efb26fde93fb805"> 817</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#a5fa4ae40c78d7a248efb26fde93fb805">ApplyVerifiedMPModelDelta</a>(<span class="keyword">const</span> MPModelDeltaProto& <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>,</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  MPModelProto* <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="comment">// Apply the delta to the variables: first, resize the variable array.</span></div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  <span class="keywordtype">int</span> max_var_index = -1;</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& p : <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>.variable_overrides()) {</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  max_var_index = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(max_var_index, p.first);</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  }</div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keywordflow">if</span> (max_var_index >= <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->variable_size()) {</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  ExtendRepeatedPtrFieldToSize(max_var_index + 1, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->mutable_variable());</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  }</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="comment">// Then, apply the variable overrides.</span></div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& p : <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>.variable_overrides()) {</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->mutable_variable(p.first)->MergeFrom(p.second);</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>  </div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="comment">// Apply the delta to the constraints: first, resize the constraint array.</span></div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keywordtype">int</span> max_ct_index = -1;</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& p : <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>.constraint_overrides()) {</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  max_ct_index = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(max_ct_index, p.first);</div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  }</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> old_num_constraints = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->constraint_size();</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="keywordflow">if</span> (max_ct_index >= old_num_constraints) {</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  ExtendRepeatedPtrFieldToSize(max_ct_index + 1, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->mutable_constraint());</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  }</div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="comment">// Then, apply the constraint overrides.</span></div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& p : <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>.constraint_overrides()) {</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <span class="keyword">const</span> MPConstraintProto& override_ct = p.second;</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  MPConstraintProto* baseline = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>->mutable_constraint(p.first);</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="comment">// Fast path for added constraints.</span></div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">if</span> (p.first >= old_num_constraints) {</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  *baseline = override_ct;</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  }</div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <a class="code" href="namespaceoperations__research.html#af5d41884f3ad7b19224d25ba9bccd55a">MergeMPConstraintProtoExceptTerms</a>(<span class="comment">/*from=*/</span>override_ct, <span class="comment">/*to=*/</span>baseline);</div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="comment">// Special case: the override is neutralized.</span></div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keywordflow">if</span> (override_ct.has_lower_bound() &&</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  override_ct.lower_bound() <=</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  -absl::GetFlag(FLAGS_model_validator_infinity) &&</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  override_ct.has_upper_bound() &&</div>
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<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  override_ct.upper_bound() >=</div>
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<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  absl::GetFlag(FLAGS_model_validator_infinity)) {</div>
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<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  baseline->clear_var_index();</div>
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<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  baseline->clear_coefficient();</div>
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<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  }</div>
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<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="comment">// Otherwise we have to apply the term overrides. We can't do that in less</span></div>
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<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="comment">// than O(|baseline| + |override_ct|) because the baseline doesn't have a</span></div>
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<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <span class="comment">// lookup-friendly data structure. But we still try to do it as efficiently</span></div>
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<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="comment">// as possible. In particular, we only use O(|override_ct|) extra memory.</span></div>
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<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  absl::flat_hash_map<int, double> term_overrides;</div>
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<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  term_overrides.reserve(override_ct.var_index_size());</div>
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<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < override_ct.var_index_size(); ++i) {</div>
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<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  term_overrides[override_ct.var_index(i)] = override_ct.coefficient(i);</div>
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<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  }</div>
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<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < baseline->var_index_size(); ++i) {</div>
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<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keyword">auto</span> it = term_overrides.find(baseline->var_index(i));</div>
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<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keywordflow">if</span> (it == term_overrides.end()) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  baseline->set_coefficient(i, it->second);</div>
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<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  it->second = 0.0; <span class="comment">// To mark this term override as 'has been applied'.</span></div>
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<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  }</div>
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<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  PruneZeroTermsInMpConstraint(baseline);</div>
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<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="comment">// Add the term overrides which haven't been used: those are added terms.</span></div>
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<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& p : term_overrides) {</div>
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<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="keywordflow">if</span> (p.second != 0.0) {</div>
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<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  baseline->add_var_index(p.first);</div>
|
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<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  baseline->add_coefficient(p.second);</div>
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<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  }</div>
|
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<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  }</div>
|
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<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  }</div>
|
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<div class="line"><a name="l00886"></a><span class="lineno"> 886</span> }</div>
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<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  </div>
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<div class="line"><a name="l00888"></a><span class="lineno"> 888</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="aaccurate__sum_8h_html"><div class="ttname"><a href="accurate__sum_8h.html">accurate_sum.h</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</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_aae2dc65d9ea248d54bf39daa986dd295"><div class="ttname"><a href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a></div><div class="ttdeci">#define DCHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00889">base/logging.h:889</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_accurate_sum_html"><div class="ttname"><a href="classoperations__research_1_1_accurate_sum.html">operations_research::AccurateSum</a></div><div class="ttdef"><b>Definition:</b> <a href="accurate__sum_8h_source.html#l00023">accurate_sum.h:23</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_accurate_sum_html_a176a3e919acd979b67cea1ede094cdaa"><div class="ttname"><a href="classoperations__research_1_1_accurate_sum.html#a176a3e919acd979b67cea1ede094cdaa">operations_research::AccurateSum::Value</a></div><div class="ttdeci">FpNumber Value() const</div><div class="ttdef"><b>Definition:</b> <a href="accurate__sum_8h_source.html#l00037">accurate_sum.h:37</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_accurate_sum_html_acc8fad1f98b885fa7d0504f4dfc71f08"><div class="ttname"><a href="classoperations__research_1_1_accurate_sum.html#acc8fad1f98b885fa7d0504f4dfc71f08">operations_research::AccurateSum::Add</a></div><div class="ttdeci">void Add(const FpNumber &value)</div><div class="ttdef"><b>Definition:</b> <a href="accurate__sum_8h_source.html#l00029">accurate_sum.h:29</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_lazy_mutable_copy_html"><div class="ttname"><a href="classoperations__research_1_1_lazy_mutable_copy.html">operations_research::LazyMutableCopy</a></div><div class="ttdef"><b>Definition:</b> <a href="lazy__mutable__copy_8h_source.html#l00045">lazy_mutable_copy.h:45</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_a05da18ca9c7b657a4a6ea24e07c9b695"><div class="ttname"><a href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a></div><div class="ttdeci">const Constraint * ct</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00042">demon_profiler.cc:42</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="afp__utils_8h_html"><div class="ttname"><a href="fp__utils_8h.html">fp_utils.h</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#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="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_ac9bcbe19995a8140cd4ec61773cd6e67"><div class="ttname"><a href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">ERROR</a></div><div class="ttdeci">const int ERROR</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00032">log_severity.h:32</a></div></div>
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<div class="ttc" id="amodel__validator_8cc_html_a3f15a1b3b1e093ebe2375816984f938a"><div class="ttname"><a href="model__validator_8cc.html#a3f15a1b3b1e093ebe2375816984f938a">ABSL_FLAG</a></div><div class="ttdeci">ABSL_FLAG(double, model_validator_infinity, 1e100, "Anything above or equal to this magnitude will be considered infinity.")</div></div>
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<div class="ttc" id="amodel__validator_8cc_html_aff224abb81f10208eec52534c895aa07"><div class="ttname"><a href="model__validator_8cc.html#aff224abb81f10208eec52534c895aa07">COPY_FIELD_IF_PRESENT</a></div><div class="ttdeci">#define COPY_FIELD_IF_PRESENT(field)</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="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_a028894df65f61e94b6a406ed76901abf"><div class="ttname"><a href="namespaceoperations__research.html#a028894df65f61e94b6a406ed76901abf">operations_research::ExtractValidMPModelInPlaceOrPopulateResponseStatus</a></div><div class="ttdeci">bool ExtractValidMPModelInPlaceOrPopulateResponseStatus(MPModelRequest *request, MPSolutionResponse *response)</div><div class="ttdoc">Like ExtractValidMPModelOrPopulateResponseStatus(), but works in-place: if the MPModel needed extract...</div><div class="ttdef"><b>Definition:</b> <a href="model__validator_8cc_source.html#l00608">model_validator.cc:608</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a096ed4f933f943ccb8859e0dc08b06ca"><div class="ttname"><a href="namespaceoperations__research.html#a096ed4f933f943ccb8859e0dc08b06ca">operations_research::IsSmallerWithinTolerance</a></div><div class="ttdeci">bool IsSmallerWithinTolerance(FloatType x, FloatType y, FloatType tolerance)</div><div class="ttdef"><b>Definition:</b> <a href="fp__utils_8h_source.html#l00153">fp_utils.h:153</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a1fe0ce1e27e08e817ec6f105976b729f"><div class="ttname"><a href="namespaceoperations__research.html#a1fe0ce1e27e08e817ec6f105976b729f">operations_research::FindErrorInMPModelDeltaProto</a></div><div class="ttdeci">std::string FindErrorInMPModelDeltaProto(const MPModelDeltaProto &delta, const MPModelProto &model)</div><div class="ttdoc">Like FindErrorInMPModelProto, but for a MPModelDeltaProto applied to a given baseline model (assumed ...</div><div class="ttdef"><b>Definition:</b> <a href="model__validator_8cc_source.html#l00682">model_validator.cc:682</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a5fa4ae40c78d7a248efb26fde93fb805"><div class="ttname"><a href="namespaceoperations__research.html#a5fa4ae40c78d7a248efb26fde93fb805">operations_research::ApplyVerifiedMPModelDelta</a></div><div class="ttdeci">void ApplyVerifiedMPModelDelta(const MPModelDeltaProto &delta, MPModelProto *model)</div><div class="ttdef"><b>Definition:</b> <a href="model__validator_8cc_source.html#l00817">model_validator.cc:817</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a87d7aa58897e0042898d1c2207deda18"><div class="ttname"><a href="namespaceoperations__research.html#a87d7aa58897e0042898d1c2207deda18">operations_research::ProtobufShortDebugString</a></div><div class="ttdeci">std::string ProtobufShortDebugString(const P &message)</div><div class="ttdef"><b>Definition:</b> <a href="port_2proto__utils_8h_source.html#l00058">port/proto_utils.h:58</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_aba4e66045dae6609eaff5ff1d726b2b9"><div class="ttname"><a href="namespaceoperations__research.html#aba4e66045dae6609eaff5ff1d726b2b9">operations_research::FindErrorInMPModelProto</a></div><div class="ttdeci">std::string FindErrorInMPModelProto(const MPModelProto &model, double abs_value_threshold)</div><div class="ttdoc">Returns an empty string iff the model is valid and not trivially infeasible.</div><div class="ttdef"><b>Definition:</b> <a href="model__validator_8cc_source.html#l00416">model_validator.cc:416</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ac43e3957acf50834ce6c49dbd9ac391b"><div class="ttname"><a href="namespaceoperations__research.html#ac43e3957acf50834ce6c49dbd9ac391b">operations_research::PortableFileGetContents</a></div><div class="ttdeci">::absl::Status PortableFileGetContents(absl::string_view file_name, std::string *output)</div><div class="ttdef"><b>Definition:</b> <a href="file__nonport_8cc_source.html#l00032">file_nonport.cc:32</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ad30505c27ac9dd7ded3396e750cbff5f"><div class="ttname"><a href="namespaceoperations__research.html#ad30505c27ac9dd7ded3396e750cbff5f">operations_research::FindFeasibilityErrorInSolutionHint</a></div><div class="ttdeci">std::string FindFeasibilityErrorInSolutionHint(const MPModelProto &model, double tolerance)</div><div class="ttdoc">Returns an empty string if the solution hint given in the model is a feasible solution.</div><div class="ttdef"><b>Definition:</b> <a href="model__validator_8cc_source.html#l00621">model_validator.cc:621</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_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_af5d41884f3ad7b19224d25ba9bccd55a"><div class="ttname"><a href="namespaceoperations__research.html#af5d41884f3ad7b19224d25ba9bccd55a">operations_research::MergeMPConstraintProtoExceptTerms</a></div><div class="ttdeci">void MergeMPConstraintProtoExceptTerms(const MPConstraintProto &from, MPConstraintProto *to)</div><div class="ttdef"><b>Definition:</b> <a href="model__validator_8cc_source.html#l00774">model_validator.cc:774</a></div></div>
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<div class="ttc" id="aport_2file_8h_html"><div class="ttname"><a href="port_2file_8h.html">file.h</a></div></div>
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<div class="ttc" id="aport_2proto__utils_8h_html"><div class="ttname"><a href="port_2proto__utils_8h.html">proto_utils.h</a></div></div>
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<div class="ttc" id="aresource_8cc_html_a73461c37822b6ebb75b54ba1a9ffb442"><div class="ttname"><a href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a></div><div class="ttdeci">int64 delta</div><div class="ttdef"><b>Definition:</b> <a href="resource_8cc_source.html#l01684">resource.cc:1684</a></div></div>
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<div class="ttc" id="asat_2lp__utils_8cc_html_a742ae1554f2decd63d35be3e6ff4f58d"><div class="ttname"><a href="sat_2lp__utils_8cc.html#a742ae1554f2decd63d35be3e6ff4f58d">var_indices</a></div><div class="ttdeci">std::vector< int > var_indices</div><div class="ttdef"><b>Definition:</b> <a href="sat_2lp__utils_8cc_source.html#l00495">sat/lp_utils.cc:495</a></div></div>
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</div>
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</body>
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</html>
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