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<a href="solution__validator_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &quot;<a class="code" href="solution__validator_8h.html">ortools/math_opt/validators/solution_validator.h</a>&quot;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;cstdint&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;limits&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &quot;absl/status/status.h&quot;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &quot;absl/strings/str_cat.h&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &quot;<a class="code" href="base_2status__macros_8h.html">ortools/base/status_macros.h</a>&quot;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &quot;<a class="code" href="math__opt__proto__utils_8h.html">ortools/math_opt/core/math_opt_proto_utils.h</a>&quot;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include &quot;<a class="code" href="model__summary_8h.html">ortools/math_opt/core/model_summary.h</a>&quot;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &quot;<a class="code" href="sparse__vector__view_8h.html">ortools/math_opt/core/sparse_vector_view.h</a>&quot;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include &quot;ortools/math_opt/model_parameters.pb.h&quot;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include &quot;ortools/math_opt/solution.pb.h&quot;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include &quot;ortools/math_opt/sparse_containers.pb.h&quot;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include &quot;<a class="code" href="ids__validator_8h.html">ortools/math_opt/validators/ids_validator.h</a>&quot;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include &quot;<a class="code" href="scalar__validator_8h.html">ortools/math_opt/validators/scalar_validator.h</a>&quot;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include &quot;<a class="code" href="sparse__vector__validator_8h.html">ortools/math_opt/validators/sparse_vector_validator.h</a>&quot;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research_1_1math__opt.html">math_opt</a> {</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">namespace </span>{</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span>absl::Status ValidateSolutionStatus(<span class="keyword">const</span> SolutionStatusProto&amp; <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>) {</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">if</span> (!SolutionStatusProto_IsValid(<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>)) {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrCat(<span class="stringliteral">&quot;status = &quot;</span>, <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>));</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> }</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> == SOLUTION_STATUS_UNSPECIFIED) {</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(<span class="stringliteral">&quot;status = SOLUTION_STATUS_UNSPECIFIED&quot;</span>);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> }</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>}</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>} <span class="comment">// namespace</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment">// Solutions &amp; Rays</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment"></span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="keyword">namespace </span>{</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="comment">// Validates that all pairs in the input view match the provided filter and that</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="comment">// all expected values are there when skip_zero_values is not used.</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="comment">//</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="comment">// This function assumes caller have checked already that the input</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="comment">// vector_view.ids() and the input filter are valid.</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span>absl::Status IsFiltered(<span class="keyword">const</span> SparseVectorView&lt;T&gt;&amp; vector_view,</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">const</span> SparseVectorFilterProto&amp; filter,</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">const</span> IdNameBiMap&amp; all_items) {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a0b22bbe67d43c8b4ba4c09813af2ade0">CheckIdsAndValuesSize</a>(vector_view));</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> SparseVectorFilterPredicate predicate(filter);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aa680631976be354abbcd28e2ec941ca7">CheckIdsSubset</a>(vector_view.ids(), all_items, <span class="stringliteral">&quot;sparse vector&quot;</span>,</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="stringliteral">&quot;model IDs&quot;</span>));</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; vector_view.ids_size(); ++i) {</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">const</span> int64_t <span class="keywordtype">id</span> = vector_view.ids(i);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">if</span> (!predicate.AcceptsAndUpdate(<span class="keywordtype">id</span>, vector_view.values(i))) {</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> absl::StrCat(<span class="stringliteral">&quot;sparse vector should not contain the pair (id: &quot;</span>, <span class="keywordtype">id</span>,</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="stringliteral">&quot;, value: &quot;</span>, vector_view.values(i), <span class="stringliteral">&quot;) (at index: &quot;</span>, i,</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="stringliteral">&quot;) that should have been filtered&quot;</span>));</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> }</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// We don&#39;t test the length on the input if we skipped the zeros since missing</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// values are expected.</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">if</span> (filter.skip_zero_values()) {</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_size =</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> filter.filter_by_ids() ? filter.filtered_ids_size() : all_items.Size();</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">if</span> (vector_view.ids_size() != expected_size) {</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrCat(</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="stringliteral">&quot;sparse vector should contain &quot;</span>, expected_size, <span class="stringliteral">&quot; values but contains &quot;</span>,</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> vector_view.ids_size(), <span class="stringliteral">&quot; instead&quot;</span>));</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> }</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>}</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="comment">// A solution vector is valid if:</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="comment">// * it is a valid SparseDoubleVectorProto.</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="comment">// * its values are finite.</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="comment">// * it contains only elements that pass the filter</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="comment">// * it contains all elements that pass the filter when skip_zero_values is not</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="comment">// used.</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="comment">//</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="comment">// TODO(b/174345677): check that the ids are valid.</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span>absl::Status IsValidSolutionVector(<span class="keyword">const</span> SparseDoubleVectorProto&amp; vector,</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">const</span> SparseVectorFilterProto&amp; filter,</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">const</span> IdNameBiMap&amp; all_items) {</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">const</span> <span class="keyword">auto</span> vector_view = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(vector);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a865fb54657254556516e00a105809539">CheckIdsAndValues</a>(</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> vector_view,</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> {.allow_positive_infinity = <span class="keyword">false</span>, .allow_negative_infinity = <span class="keyword">false</span>}));</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(IsFiltered(vector_view, filter, all_items));</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span>}</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span>} <span class="comment">// namespace</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#ad538dcb289b1329d3f7c8a89cdc28119"> 116</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ad538dcb289b1329d3f7c8a89cdc28119">ValidateSolution</a>(<span class="keyword">const</span> SolutionProto&amp; solution,</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">const</span> ModelSolveParametersProto&amp; <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_model_summary.html">ModelSummary</a>&amp; model_summary) {</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">if</span> (!solution.has_primal_solution() &amp;&amp; !solution.has_dual_solution() &amp;&amp;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> !solution.has_basis()) {</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(<span class="stringliteral">&quot;empty solution&quot;</span>);</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> }</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">if</span> (solution.has_primal_solution()) {</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a40a8cc2cdbe267cc55742fea9f4f3965">ValidatePrimalSolution</a>(solution.primal_solution(),</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.variable_values_filter(),</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> model_summary))</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> &lt;&lt; <span class="stringliteral">&quot;Invalid primal_solution&quot;</span>;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> }</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">if</span> (solution.has_dual_solution()) {</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#addd56d13509da8f0f6adbf4e70688bf0">ValidateDualSolution</a>(solution.dual_solution(), <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> model_summary))</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> &lt;&lt; <span class="stringliteral">&quot;Invalid dual_solution&quot;</span>;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> }</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">if</span> (solution.has_basis()) {</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a18c3b71cf338f670ea077693f17cddbf">ValidateBasis</a>(solution.basis(), model_summary))</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> &lt;&lt; <span class="stringliteral">&quot;Invalid basis&quot;</span>;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// TODO(b/204457524): consider checking equality of statuses for single-sided</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// LPs.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (solution.has_basis() &amp;&amp; solution.has_dual_solution()) {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">if</span> (solution.basis().basic_dual_feasibility() == SOLUTION_STATUS_FEASIBLE &amp;&amp;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> solution.dual_solution().feasibility_status() !=</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> SOLUTION_STATUS_FEASIBLE) {</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="stringliteral">&quot;Incompatible basis and dual solution: basis is dual feasible, but &quot;</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="stringliteral">&quot;dual solution is not feasible&quot;</span>);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> }</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordflow">if</span> (solution.dual_solution().feasibility_status() ==</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> SOLUTION_STATUS_INFEASIBLE &amp;&amp;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> solution.basis().basic_dual_feasibility() !=</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> SOLUTION_STATUS_INFEASIBLE) {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="stringliteral">&quot;Incompatible basis and dual solution: dual solution is infeasible, &quot;</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="stringliteral">&quot;but basis is not dual infeasible&quot;</span>);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> }</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> }</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>}</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a546fae9dea58945ce0eee48764b004a0"> 160</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a546fae9dea58945ce0eee48764b004a0">ValidatePrimalSolutionVector</a>(<span class="keyword">const</span> SparseDoubleVectorProto&amp; vector,</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">const</span> SparseVectorFilterProto&amp; filter,</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_model_summary.html">ModelSummary</a>&amp; model_summary) {</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> IsValidSolutionVector(vector, filter, model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a1cbe44d3fff3e870ed00ac9c657d7dfb">variables</a>));</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span>}</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a40a8cc2cdbe267cc55742fea9f4f3965"> 168</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a40a8cc2cdbe267cc55742fea9f4f3965">ValidatePrimalSolution</a>(<span class="keyword">const</span> PrimalSolutionProto&amp; primal_solution,</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keyword">const</span> SparseVectorFilterProto&amp; filter,</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_model_summary.html">ModelSummary</a>&amp; model_summary) {</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(ValidateSolutionStatus(primal_solution.feasibility_status()))</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> &lt;&lt; <span class="stringliteral">&quot;Invalid PrimalSolutionProto.feasibility_status&quot;</span>;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a546fae9dea58945ce0eee48764b004a0">ValidatePrimalSolutionVector</a>(</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> primal_solution.variable_values(), filter, model_summary))</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> &lt;&lt; <span class="stringliteral">&quot;Invalid PrimalSolutionProto.variable_values&quot;</span>;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ad45d12cfd14f770f145f80788e5fe859">CheckScalarNoNanNoInf</a>(primal_solution.objective_value()))</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> &lt;&lt; <span class="stringliteral">&quot;Invalid PrimalSolutionProto.objective_value&quot;</span>;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span>}</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a8a82974a800783d63a0c45dad35cdaa6"> 181</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a8a82974a800783d63a0c45dad35cdaa6">ValidatePrimalRay</a>(<span class="keyword">const</span> PrimalRayProto&amp; primal_ray,</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">const</span> SparseVectorFilterProto&amp; filter,</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_model_summary.html">ModelSummary</a>&amp; model_summary) {</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(IsValidSolutionVector(primal_ray.variable_values(), filter,</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a1cbe44d3fff3e870ed00ac9c657d7dfb">variables</a>))</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> &lt;&lt; <span class="stringliteral">&quot;Invalid PrimalRayProto.variable_values&quot;</span>;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span>}</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#addd56d13509da8f0f6adbf4e70688bf0"> 190</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#addd56d13509da8f0f6adbf4e70688bf0">ValidateDualSolution</a>(<span class="keyword">const</span> DualSolutionProto&amp; dual_solution,</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keyword">const</span> ModelSolveParametersProto&amp; <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_model_summary.html">ModelSummary</a>&amp; model_summary) {</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(ValidateSolutionStatus(dual_solution.feasibility_status()))</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> &lt;&lt; <span class="stringliteral">&quot;Invalid DualSolutionProto.feasibility_status&quot;</span>;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(IsValidSolutionVector(dual_solution.dual_values(),</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.dual_values_filter(),</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a9cfc0d8ea5cf26ee3b87427b27f20fe7">linear_constraints</a>))</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> &lt;&lt; <span class="stringliteral">&quot;Invalid DualSolutionProto.dual_values&quot;</span>;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(IsValidSolutionVector(dual_solution.reduced_costs(),</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.reduced_costs_filter(),</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a1cbe44d3fff3e870ed00ac9c657d7dfb">variables</a>))</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> &lt;&lt; <span class="stringliteral">&quot;Invalid DualSolutionProto.reduced_costs&quot;</span>;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ad45d12cfd14f770f145f80788e5fe859">CheckScalarNoNanNoInf</a>(dual_solution.objective_value()))</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> &lt;&lt; <span class="stringliteral">&quot;Invalid DualSolutionProto.objective_value&quot;</span>;</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span>}</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#ad37508a0980ba6157c1ea74dcbed8fce"> 208</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#ad37508a0980ba6157c1ea74dcbed8fce">ValidateDualRay</a>(<span class="keyword">const</span> DualRayProto&amp; dual_ray,</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">const</span> ModelSolveParametersProto&amp; <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_model_summary.html">ModelSummary</a>&amp; model_summary) {</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(IsValidSolutionVector(dual_ray.dual_values(),</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.dual_values_filter(),</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a9cfc0d8ea5cf26ee3b87427b27f20fe7">linear_constraints</a>))</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> &lt;&lt; <span class="stringliteral">&quot;Invalid DualRayProto.dual_values&quot;</span>;</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(IsValidSolutionVector(dual_ray.reduced_costs(),</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.reduced_costs_filter(),</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a1cbe44d3fff3e870ed00ac9c657d7dfb">variables</a>))</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> &lt;&lt; <span class="stringliteral">&quot;Invalid DualRayProto.reduced_costs&quot;</span>;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span>}</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span><span class="comment">// Basis</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="comment"></span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a3bcf8af0376d01d2c6a459cf2374dc83"> 226</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a3bcf8af0376d01d2c6a459cf2374dc83">SparseBasisStatusVectorIsValid</a>(</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_sparse_vector_view.html">SparseVectorView&lt;int&gt;</a>&amp; status_vector_view) {</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a865fb54657254556516e00a105809539">CheckIdsAndValues</a>(status_vector_view));</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> [<span class="keywordtype">id</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : status_vector_view) {</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">if</span> (!BasisStatusProto_IsValid(<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)) {</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> absl::StrCat(<span class="stringliteral">&quot;Invalid status: &quot;</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>, <span class="stringliteral">&quot; for id &quot;</span>, <span class="keywordtype">id</span>));</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> }</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> == BASIS_STATUS_UNSPECIFIED) {</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> absl::StrCat(<span class="stringliteral">&quot;Found BASIS_STATUS_UNSPECIFIED for id &quot;</span>, <span class="keywordtype">id</span>));</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> }</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> }</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span>}</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#a18c3b71cf338f670ea077693f17cddbf"> 242</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a18c3b71cf338f670ea077693f17cddbf">ValidateBasis</a>(<span class="keyword">const</span> BasisProto&amp; basis,</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1math__opt_1_1_model_summary.html">ModelSummary</a>&amp; model_summary,</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> check_dual_feasibility) {</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (check_dual_feasibility) {</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(ValidateSolutionStatus(basis.basic_dual_feasibility()))</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> &lt;&lt; <span class="stringliteral">&quot;Invalid BasisProto.basic_dual_feasibility&quot;</span>;</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> }</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keyword">const</span> <span class="keyword">auto</span> constraint_status_view = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(basis.constraint_status());</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keyword">const</span> <span class="keyword">auto</span> variable_status_view = <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">MakeView</a>(basis.variable_status());</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a3bcf8af0376d01d2c6a459cf2374dc83">SparseBasisStatusVectorIsValid</a>(constraint_status_view))</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> &lt;&lt; absl::StrCat(<span class="stringliteral">&quot;BasisProto.constraint_status invalid&quot;</span>);</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#a3bcf8af0376d01d2c6a459cf2374dc83">SparseBasisStatusVectorIsValid</a>(variable_status_view))</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> &lt;&lt; absl::StrCat(<span class="stringliteral">&quot;BasisProto.variable_status invalid&quot;</span>);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#afecf2131c4ddbd801120447bc2d4f02d">CheckIdsIdentical</a>(</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> basis.constraint_status().ids(), model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a9cfc0d8ea5cf26ee3b87427b27f20fe7">linear_constraints</a>,</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="stringliteral">&quot;BasisProto.constraint_status.ids&quot;</span>, <span class="stringliteral">&quot;model_summary.linear_constraints&quot;</span>));</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#afecf2131c4ddbd801120447bc2d4f02d">CheckIdsIdentical</a>(</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> basis.variable_status().ids(), model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a1cbe44d3fff3e870ed00ac9c657d7dfb">variables</a>,</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="stringliteral">&quot;BasisProto.variable_status.ids&quot;</span>, <span class="stringliteral">&quot;model_summary.variables&quot;</span>));</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> </div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keywordtype">int</span> non_basic_variables = 0;</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> [<span class="keywordtype">id</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : constraint_status_view) {</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> != BASIS_STATUS_BASIC) {</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> non_basic_variables++;</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> }</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> }</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> [<span class="keywordtype">id</span>, <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>] : variable_status_view) {</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> != BASIS_STATUS_BASIC) {</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> non_basic_variables++;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> }</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">if</span> (non_basic_variables != model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a1cbe44d3fff3e870ed00ac9c657d7dfb">variables</a>.<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_id_name_bi_map.html#a24926108b770033792d015cb86aeffb3">Size</a>()) {</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrCat(</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="stringliteral">&quot;Inconsistent number of non-basic variable+constraints: &quot;</span>,</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> non_basic_variables, <span class="stringliteral">&quot;, variables: &quot;</span>, model_summary.<a class="code hl_variable" href="structoperations__research_1_1math__opt_1_1_model_summary.html#a1cbe44d3fff3e870ed00ac9c657d7dfb">variables</a>.<a class="code hl_function" href="classoperations__research_1_1math__opt_1_1_id_name_bi_map.html#a24926108b770033792d015cb86aeffb3">Size</a>()));</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> }</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span>}</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span>} <span class="comment">// namespace math_opt</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span>} <span class="comment">// namespace operations_research</span></div>
<div class="ttc" id="abase_2status__macros_8h_html"><div class="ttname"><a href="base_2status__macros_8h.html">status_macros.h</a></div></div>
<div class="ttc" id="abase_2status__macros_8h_html_acdc223d8c59d5c591dc6b4e88257627b"><div class="ttname"><a href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(expr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00027">base/status_macros.h:27</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_id_name_bi_map_html_a24926108b770033792d015cb86aeffb3"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_id_name_bi_map.html#a24926108b770033792d015cb86aeffb3">operations_research::math_opt::IdNameBiMap::Size</a></div><div class="ttdeci">int Size() const</div><div class="ttdef"><b>Definition:</b> <a href="model__summary_8h_source.html#l00136">model_summary.h:136</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_sparse_vector_view_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_sparse_vector_view.html">operations_research::math_opt::SparseVectorView</a></div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__view_8h_source.html#l00088">sparse_vector_view.h:88</a></div></div>
<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00119">cp_model_fz_solver.cc:119</a></div></div>
<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
<div class="ttc" id="ag__gurobi_8cc_html_a2237393c7ae7ad7344c9885066d5ab6d"><div class="ttname"><a href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a></div><div class="ttdeci">absl::Status status</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00035">g_gurobi.cc:35</a></div></div>
<div class="ttc" id="aids__validator_8h_html"><div class="ttname"><a href="ids__validator_8h.html">ids_validator.h</a></div></div>
<div class="ttc" id="amath__opt__proto__utils_8h_html"><div class="ttname"><a href="math__opt__proto__utils_8h.html">math_opt_proto_utils.h</a></div></div>
<div class="ttc" id="amodel__summary_8h_html"><div class="ttname"><a href="model__summary_8h.html">model_summary.h</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html">operations_research::math_opt</a></div><div class="ttdef"><b>Definition:</b> <a href="arrow__operator__proxy_8h_source.html#l00020">arrow_operator_proxy.h:20</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a0b22bbe67d43c8b4ba4c09813af2ade0"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a0b22bbe67d43c8b4ba4c09813af2ade0">operations_research::math_opt::CheckIdsAndValuesSize</a></div><div class="ttdeci">absl::Status CheckIdsAndValuesSize(const SparseVectorView&lt; T &gt; &amp;vector_view, absl::string_view value_name=&quot;values&quot;)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__validator_8h_source.html#l00030">sparse_vector_validator.h:30</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a18c3b71cf338f670ea077693f17cddbf"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a18c3b71cf338f670ea077693f17cddbf">operations_research::math_opt::ValidateBasis</a></div><div class="ttdeci">absl::Status ValidateBasis(const BasisProto &amp;basis, const ModelSummary &amp;model_summary, const bool check_dual_feasibility)</div><div class="ttdef"><b>Definition:</b> <a href="solution__validator_8cc_source.html#l00242">solution_validator.cc:242</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a3bcf8af0376d01d2c6a459cf2374dc83"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a3bcf8af0376d01d2c6a459cf2374dc83">operations_research::math_opt::SparseBasisStatusVectorIsValid</a></div><div class="ttdeci">absl::Status SparseBasisStatusVectorIsValid(const SparseVectorView&lt; int &gt; &amp;status_vector_view)</div><div class="ttdef"><b>Definition:</b> <a href="solution__validator_8cc_source.html#l00226">solution_validator.cc:226</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a40a8cc2cdbe267cc55742fea9f4f3965"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a40a8cc2cdbe267cc55742fea9f4f3965">operations_research::math_opt::ValidatePrimalSolution</a></div><div class="ttdeci">absl::Status ValidatePrimalSolution(const PrimalSolutionProto &amp;primal_solution, const SparseVectorFilterProto &amp;filter, const ModelSummary &amp;model_summary)</div><div class="ttdef"><b>Definition:</b> <a href="solution__validator_8cc_source.html#l00168">solution_validator.cc:168</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a546fae9dea58945ce0eee48764b004a0"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a546fae9dea58945ce0eee48764b004a0">operations_research::math_opt::ValidatePrimalSolutionVector</a></div><div class="ttdeci">absl::Status ValidatePrimalSolutionVector(const SparseDoubleVectorProto &amp;vector, const SparseVectorFilterProto &amp;filter, const ModelSummary &amp;model_summary)</div><div class="ttdef"><b>Definition:</b> <a href="solution__validator_8cc_source.html#l00160">solution_validator.cc:160</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a80e158d48db32a3bbbe915179b36e405"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a80e158d48db32a3bbbe915179b36e405">operations_research::math_opt::MakeView</a></div><div class="ttdeci">SparseVectorView&lt; T &gt; MakeView(absl::Span&lt; const int64_t &gt; ids, const Collection &amp;values)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__view_8h_source.html#l00144">sparse_vector_view.h:144</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a865fb54657254556516e00a105809539"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a865fb54657254556516e00a105809539">operations_research::math_opt::CheckIdsAndValues</a></div><div class="ttdeci">absl::Status CheckIdsAndValues(const SparseVectorView&lt; T &gt; &amp;vector_view, absl::string_view value_name=&quot;values&quot;)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__validator_8h_source.html#l00050">sparse_vector_validator.h:50</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_a8a82974a800783d63a0c45dad35cdaa6"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#a8a82974a800783d63a0c45dad35cdaa6">operations_research::math_opt::ValidatePrimalRay</a></div><div class="ttdeci">absl::Status ValidatePrimalRay(const PrimalRayProto &amp;primal_ray, const SparseVectorFilterProto &amp;filter, const ModelSummary &amp;model_summary)</div><div class="ttdef"><b>Definition:</b> <a href="solution__validator_8cc_source.html#l00181">solution_validator.cc:181</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_aa680631976be354abbcd28e2ec941ca7"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#aa680631976be354abbcd28e2ec941ca7">operations_research::math_opt::CheckIdsSubset</a></div><div class="ttdeci">absl::Status CheckIdsSubset(absl::Span&lt; const int64_t &gt; ids, const IdNameBiMap &amp;universe, absl::string_view ids_description, absl::string_view universe_description)</div><div class="ttdef"><b>Definition:</b> <a href="ids__validator_8cc_source.html#l00230">ids_validator.cc:230</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ad37508a0980ba6157c1ea74dcbed8fce"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad37508a0980ba6157c1ea74dcbed8fce">operations_research::math_opt::ValidateDualRay</a></div><div class="ttdeci">absl::Status ValidateDualRay(const DualRayProto &amp;dual_ray, const ModelSolveParametersProto &amp;parameters, const ModelSummary &amp;model_summary)</div><div class="ttdef"><b>Definition:</b> <a href="solution__validator_8cc_source.html#l00208">solution_validator.cc:208</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ad45d12cfd14f770f145f80788e5fe859"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad45d12cfd14f770f145f80788e5fe859">operations_research::math_opt::CheckScalarNoNanNoInf</a></div><div class="ttdeci">absl::Status CheckScalarNoNanNoInf(const double d)</div><div class="ttdef"><b>Definition:</b> <a href="scalar__validator_8cc_source.html#l00029">scalar_validator.cc:29</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_ad538dcb289b1329d3f7c8a89cdc28119"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad538dcb289b1329d3f7c8a89cdc28119">operations_research::math_opt::ValidateSolution</a></div><div class="ttdeci">absl::Status ValidateSolution(const SolutionProto &amp;solution, const ModelSolveParametersProto &amp;parameters, const ModelSummary &amp;model_summary)</div><div class="ttdef"><b>Definition:</b> <a href="solution__validator_8cc_source.html#l00116">solution_validator.cc:116</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_addd56d13509da8f0f6adbf4e70688bf0"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#addd56d13509da8f0f6adbf4e70688bf0">operations_research::math_opt::ValidateDualSolution</a></div><div class="ttdeci">absl::Status ValidateDualSolution(const DualSolutionProto &amp;dual_solution, const ModelSolveParametersProto &amp;parameters, const ModelSummary &amp;model_summary)</div><div class="ttdef"><b>Definition:</b> <a href="solution__validator_8cc_source.html#l00190">solution_validator.cc:190</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_afecf2131c4ddbd801120447bc2d4f02d"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#afecf2131c4ddbd801120447bc2d4f02d">operations_research::math_opt::CheckIdsIdentical</a></div><div class="ttdeci">absl::Status CheckIdsIdentical(absl::Span&lt; const int64_t &gt; first_ids, const IdNameBiMap &amp;second_ids, absl::string_view first_description, absl::string_view second_description)</div><div class="ttdef"><b>Definition:</b> <a href="ids__validator_8cc_source.html#l00245">ids_validator.cc:245</a></div></div>
<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
<div class="ttc" id="ascalar__validator_8h_html"><div class="ttname"><a href="scalar__validator_8h.html">scalar_validator.h</a></div></div>
<div class="ttc" id="asolution__validator_8h_html"><div class="ttname"><a href="solution__validator_8h.html">solution_validator.h</a></div></div>
<div class="ttc" id="asparse__vector__validator_8h_html"><div class="ttname"><a href="sparse__vector__validator_8h.html">sparse_vector_validator.h</a></div></div>
<div class="ttc" id="asparse__vector__view_8h_html"><div class="ttname"><a href="sparse__vector__view_8h.html">sparse_vector_view.h</a></div></div>
<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_model_summary_html"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_model_summary.html">operations_research::math_opt::ModelSummary</a></div><div class="ttdef"><b>Definition:</b> <a href="model__summary_8h_source.html#l00094">model_summary.h:94</a></div></div>
<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_model_summary_html_a1cbe44d3fff3e870ed00ac9c657d7dfb"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_model_summary.html#a1cbe44d3fff3e870ed00ac9c657d7dfb">operations_research::math_opt::ModelSummary::variables</a></div><div class="ttdeci">IdNameBiMap variables</div><div class="ttdef"><b>Definition:</b> <a href="model__summary_8h_source.html#l00095">model_summary.h:95</a></div></div>
<div class="ttc" id="astructoperations__research_1_1math__opt_1_1_model_summary_html_a9cfc0d8ea5cf26ee3b87427b27f20fe7"><div class="ttname"><a href="structoperations__research_1_1math__opt_1_1_model_summary.html#a9cfc0d8ea5cf26ee3b87427b27f20fe7">operations_research::math_opt::ModelSummary::linear_constraints</a></div><div class="ttdeci">IdNameBiMap linear_constraints</div><div class="ttdef"><b>Definition:</b> <a href="model__summary_8h_source.html#l00096">model_summary.h:96</a></div></div>
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