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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>&#160;<span class="comment">// Copyright 2010-2018 Google LLC</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="model__validator_8h.html">ortools/linear_solver/model_validator.h</a>&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;cmath&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &lt;limits&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;absl/container/flat_hash_map.h&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &quot;absl/container/flat_hash_set.h&quot;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &quot;absl/status/status.h&quot;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &quot;absl/strings/match.h&quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &quot;absl/strings/str_cat.h&quot;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &quot;absl/strings/str_format.h&quot;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &quot;absl/types/optional.h&quot;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="accurate__sum_8h.html">ortools/base/accurate_sum.h</a>&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="commandlineflags_8h.html">ortools/base/commandlineflags.h</a>&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="linear__solver_8pb_8h.html">ortools/linear_solver/linear_solver.pb.h</a>&quot;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="port_2file_8h.html">ortools/port/file.h</a>&quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>&quot;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="fp__utils_8h.html">ortools/util/fp_utils.h</a>&quot;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="lazy__mutable__copy_8h.html">ortools/util/lazy_mutable_copy.h</a>&quot;</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="model__validator_8cc.html#a3f15a1b3b1e093ebe2375816984f938a"> 35</a></span>&#160;<a class="code" href="model__validator_8cc.html#a3f15a1b3b1e093ebe2375816984f938a">ABSL_FLAG</a>(</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordtype">double</span>, model_validator_infinity, 1e100,</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="stringliteral">&quot;Anything above or equal to this magnitude will be considered infinity.&quot;</span>);</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<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>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <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>) &gt;= abs_value_threshold;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;}</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="comment">// Internal method to detect errors in bounds. The object passed as parameter</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment">// must have &quot;lower_bound&quot; and &quot;upper_bound&quot; fields.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> BoundedElement&gt;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;std::string FindErrorInBounds(<span class="keyword">const</span> BoundedElement&amp; element,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordflow">if</span> (std::isnan(element.lower_bound()) || std::isnan(element.upper_bound()) ||</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; element.lower_bound() &gt;= abs_value_threshold ||</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; element.upper_bound() &lt;= -abs_value_threshold ||</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; element.lower_bound() &gt; element.upper_bound()) {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordflow">return</span> absl::StrFormat(<span class="stringliteral">&quot;Infeasible bounds: [%f, %f]&quot;</span>, element.lower_bound(),</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; element.upper_bound());</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;}</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="comment">// Internal method to detect errors in a single variable.</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;std::string FindErrorInMPVariable(<span class="keyword">const</span> MPVariableProto&amp; variable,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">const</span> std::string bound_error =</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; FindErrorInBounds(variable, abs_value_threshold);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">if</span> (!bound_error.empty()) <span class="keywordflow">return</span> bound_error;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">if</span> (variable.is_integer() &amp;&amp;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; ceil(variable.lower_bound()) &gt; floor(variable.upper_bound())) {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">return</span> absl::StrCat(</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="stringliteral">&quot;Infeasible bounds for integer variable: [&quot;</span>, (variable.lower_bound()),</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="stringliteral">&quot;, &quot;</span>, (variable.upper_bound()), <span class="stringliteral">&quot;]&quot;</span>, <span class="stringliteral">&quot; translate to the empty set&quot;</span>);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(variable.objective_coefficient(),</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; abs_value_threshold)) {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Invalid objective_coefficient: &quot;</span>,</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; (variable.objective_coefficient()));</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordflow">return</span> std::string();</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;}</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="comment">// Returns an error message if &#39;var_indices&#39; contains a duplicate index.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterable&gt;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;std::string FindDuplicateVarIndex(<span class="keyword">const</span> Iterable&amp; <a class="code" href="sat_2lp__utils_8cc.html#a742ae1554f2decd63d35be3e6ff4f58d">var_indices</a>,</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; std::vector&lt;bool&gt;* var_mask) {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordtype">int</span> duplicate_var_index = -1;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <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>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">if</span> ((*var_mask)[var_index]) duplicate_var_index = var_index;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; (*var_mask)[var_index] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="comment">// Reset &quot;var_mask&quot; to all false, sparsely.</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <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>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; (*var_mask)[var_index] = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">if</span> (duplicate_var_index &gt;= 0) {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index #&quot;</span>, duplicate_var_index,</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="stringliteral">&quot; appears several times&quot;</span>);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;}</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="comment">// Internal method to detect errors in a single constraint.</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="comment">// &quot;var_mask&quot; is a vector&lt;bool&gt; whose size is the number of variables in</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="comment">// the model, and it will be all set to false before and after the call.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;std::string FindErrorInMPConstraint(<span class="keyword">const</span> MPConstraintProto&amp; constraint,</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; std::vector&lt;bool&gt;* var_mask,</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">const</span> std::string bound_error =</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; FindErrorInBounds(constraint, abs_value_threshold);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">if</span> (!bound_error.empty()) <span class="keywordflow">return</span> bound_error;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="comment">// TODO(user): clarify explicitly, at least in a comment, whether we want</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="comment">// to accept empty constraints (i.e. without variables).</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars_in_model = var_mask-&gt;size();</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> num_vars_in_ct = constraint.var_index_size();</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> num_coeffs_in_ct = constraint.coefficient_size();</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">if</span> (num_vars_in_ct != num_coeffs_in_ct) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index_size() != coefficient_size() (&quot;</span>,</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; num_vars_in_ct, <span class="stringliteral">&quot; VS &quot;</span>, num_coeffs_in_ct);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_vars_in_ct; ++i) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = constraint.var_index(i);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">if</span> (var_index &gt;= num_vars_in_model || var_index &lt; 0) {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, var_index,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="stringliteral">&quot; is out of bounds&quot;</span>);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span> coeff = constraint.coefficient(i);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(coeff, abs_value_threshold)) {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;coefficient(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, (coeff), <span class="stringliteral">&quot; is invalid&quot;</span>);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keyword">const</span> std::string error =</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; FindDuplicateVarIndex(constraint.var_index(), var_mask);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">if</span> (!error.empty()) <span class="keywordflow">return</span> error;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="comment">// We found no error, all is fine.</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">return</span> std::string();</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;}</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;std::string CroppedConstraintDebugString(<span class="keyword">const</span> MPConstraintProto&amp; constraint) {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> kMaxPrintedVars = 10;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; MPConstraintProto constraint_light = constraint;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; std::string suffix_str;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordflow">if</span> (constraint.var_index_size() &gt; kMaxPrintedVars) {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; constraint_light.mutable_var_index()-&gt;Truncate(kMaxPrintedVars);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; absl::StrAppend(&amp;suffix_str,</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="stringliteral">&quot; (var_index cropped; size=&quot;</span>, constraint.var_index_size(),</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="stringliteral">&quot;).&quot;</span>);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">if</span> (constraint.coefficient_size() &gt; kMaxPrintedVars) {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; constraint_light.mutable_coefficient()-&gt;Truncate(kMaxPrintedVars);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; absl::StrAppend(&amp;suffix_str, <span class="stringliteral">&quot; (coefficient cropped; size=&quot;</span>,</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; constraint.coefficient_size(), <span class="stringliteral">&quot;).&quot;</span>);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Constraint proto: &quot;</span>,</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <a class="code" href="namespaceoperations__research.html#a87d7aa58897e0042898d1c2207deda18">ProtobufShortDebugString</a>(constraint_light), suffix_str);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;}</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;<span class="keywordtype">bool</span> IsBoolean(<span class="keyword">const</span> MPVariableProto&amp; variable) {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">if</span> (variable.lower_bound() &lt; 0) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">if</span> (variable.upper_bound() &gt; 1) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">return</span> variable.is_integer();</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;}</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;std::string FindErrorInMPIndicatorConstraint(</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keyword">const</span> MPModelProto&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> MPIndicatorConstraint&amp; indicator,</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; std::vector&lt;bool&gt;* var_mask, <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">if</span> (!indicator.has_var_index()) {</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;var_index is required.&quot;</span>;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <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>&#160; <span class="keywordflow">if</span> (var_index &lt; 0 || var_index &gt;= <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>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index=&quot;</span>, var_index, <span class="stringliteral">&quot; is out of bounds.&quot;</span>);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="keywordflow">if</span> (!IsBoolean(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(var_index))) {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index=&quot;</span>, var_index, <span class="stringliteral">&quot; is not Boolean.&quot;</span>);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; }</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> var_value = indicator.var_value();</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="keywordflow">if</span> (var_value &lt; 0 || var_value &gt; 1) {</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_value=&quot;</span>, var_value, <span class="stringliteral">&quot; must be 0 or 1.&quot;</span>);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; }</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keyword">const</span> MPConstraintProto&amp; constraint = indicator.constraint();</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; std::string error =</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; FindErrorInMPConstraint(constraint, var_mask, abs_value_threshold);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordflow">if</span> (!error.empty()) {</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <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>&#160; <span class="comment">// that.</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordflow">return</span> absl::StrCat(error, <span class="stringliteral">&quot; in constraint &quot;</span>,</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; CroppedConstraintDebugString(constraint));</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;}</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;std::string FindErrorInMPSosConstraint(<span class="keyword">const</span> MPModelProto&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keyword">const</span> MPSosConstraint&amp; sos,</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; std::vector&lt;bool&gt;* var_mask,</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">if</span> (sos.weight_size() != 0 &amp;&amp; sos.weight_size() != sos.var_index_size()) {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;weight_size() &gt; 0 and var_index_size() != weight_size()&quot;</span>;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> var_index : sos.var_index()) {</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keywordflow">if</span> (var_index &lt; 0 || var_index &gt;= <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>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index=&quot;</span>, var_index, <span class="stringliteral">&quot; is out of bounds.&quot;</span>);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; }</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; sos.weight_size(); ++i) {</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <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>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Invalid weight: &quot;</span>, sos.weight(i));</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keywordflow">if</span> (i == 0) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keywordflow">if</span> (sos.weight(i - 1) &gt;= sos.weight(i)) {</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;SOS weights must be strictly increasing&quot;</span>;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; }</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keyword">const</span> std::string error = FindDuplicateVarIndex(sos.var_index(), var_mask);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <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>&#160; </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;}</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;std::string FindErrorInMPQuadraticConstraint(<span class="keyword">const</span> MPModelProto&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keyword">const</span> MPQuadraticConstraint&amp; qcst,</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; std::vector&lt;bool&gt;* var_mask,</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <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="l00230"></a><span class="lineno"> 230</span>&#160; </div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="keywordflow">if</span> (qcst.var_index_size() != qcst.coefficient_size()) {</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;var_index_size() != coefficient_size()&quot;</span>;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; }</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <span class="keyword">const</span> std::string bound_error = FindErrorInBounds(qcst, abs_value_threshold);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <span class="keywordflow">if</span> (!bound_error.empty()) <span class="keywordflow">return</span> bound_error;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; qcst.var_index_size(); ++i) {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <span class="keywordflow">if</span> (qcst.var_index(i) &lt; 0 || qcst.var_index(i) &gt;= num_vars) {</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, qcst.var_index(i),</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <span class="stringliteral">&quot; is invalid.&quot;</span>, <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; }</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; </div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(qcst.coefficient(i),</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; abs_value_threshold)) {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;coefficient(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, qcst.coefficient(i),</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; <span class="stringliteral">&quot; is invalid&quot;</span>);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; }</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; <span class="keyword">const</span> std::string duplicate_error =</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; FindDuplicateVarIndex(qcst.var_index(), var_mask);</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <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>&#160; </div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <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>&#160; qcst.qvar1_index_size() != qcst.qcoefficient_size()) {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;quadratic indices and coefficients must have the same size&quot;</span>;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; }</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; qcst.qvar1_index_size(); ++i) {</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="keywordflow">if</span> (qcst.qvar1_index(i) &gt;= num_vars || qcst.qvar1_index(i) &lt; 0) {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;qvar1_index(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, qcst.qvar1_index(i),</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="stringliteral">&quot; is invalid.&quot;</span>, <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; }</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keywordflow">if</span> (qcst.qvar2_index(i) &gt;= num_vars || qcst.qvar2_index(i) &lt; 0) {</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;qvar2_index(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, qcst.qvar2_index(i),</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="stringliteral">&quot; is invalid.&quot;</span>, <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; }</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; </div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(qcst.qcoefficient(i),</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; abs_value_threshold)) {</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;qcoefficient(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, qcst.qcoefficient(i),</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="stringliteral">&quot; is invalid&quot;</span>);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; }</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; }</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160;}</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; </div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;std::string FindErrorInMPAbsConstraint(<span class="keyword">const</span> MPModelProto&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; <span class="keyword">const</span> MPAbsConstraint&amp; abs) {</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; <span class="keywordflow">if</span> (!abs.has_var_index()) {</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;var_index is required.&quot;</span>;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; }</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="keywordflow">if</span> (!abs.has_resultant_var_index()) {</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;resultant_var_index is required.&quot;</span>;</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; }</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <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>&#160; <span class="keywordflow">if</span> (abs.var_index() &lt; 0 || abs.var_index() &gt;= num_vars) {</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index=&quot;</span>, abs.var_index(), <span class="stringliteral">&quot; is invalid.&quot;</span>,</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; }</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; <span class="keywordflow">if</span> (abs.resultant_var_index() &lt; 0 || abs.resultant_var_index() &gt;= num_vars) {</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index=&quot;</span>, abs.resultant_var_index(), <span class="stringliteral">&quot; is invalid.&quot;</span>,</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; }</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;}</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160;std::string FindErrorInMPAndOrConstraint(<span class="keyword">const</span> MPModelProto&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="keyword">const</span> MPArrayConstraint&amp; and_or) {</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; <span class="keywordflow">if</span> (and_or.var_index_size() == 0) {</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;var_index cannot be empty.&quot;</span>;</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; }</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <span class="keywordflow">if</span> (!and_or.has_resultant_var_index()) {</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;resultant_var_index is required.&quot;</span>;</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; }</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; </div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; <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>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; and_or.var_index_size(); ++i) {</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="keywordflow">if</span> (and_or.var_index(i) &lt; 0 || and_or.var_index(i) &gt;= num_vars) {</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, and_or.var_index(i),</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="stringliteral">&quot; is invalid.&quot;</span>, <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; }</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <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>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index=&quot;</span>, i, <span class="stringliteral">&quot; is not Boolean.&quot;</span>);</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; }</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; }</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; <span class="keywordflow">if</span> (and_or.resultant_var_index() &lt; 0 ||</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; and_or.resultant_var_index() &gt;= num_vars) {</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;resultant_var_index=&quot;</span>, and_or.resultant_var_index(),</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; <span class="stringliteral">&quot; is invalid.&quot;</span>, <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; }</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; <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>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;resultant_var_index is not Boolean.&quot;</span>);</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; }</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160;}</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;std::string FindErrorInMPMinMaxConstraint(</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; <span class="keyword">const</span> MPModelProto&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> MPArrayWithConstantConstraint&amp; min_max,</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; <span class="keywordflow">if</span> (min_max.var_index_size() == 0) {</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;var_index cannot be empty.&quot;</span>;</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; }</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <span class="keywordflow">if</span> (!min_max.has_resultant_var_index()) {</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;resultant_var_index is required.&quot;</span>;</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; }</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; </div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; <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>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Invalid constant: &quot;</span>, (min_max.constant()));</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; }</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; </div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; <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>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; min_max.var_index_size(); ++i) {</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; <span class="keywordflow">if</span> (min_max.var_index(i) &lt; 0 || min_max.var_index(i) &gt;= num_vars) {</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, min_max.var_index(i),</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; <span class="stringliteral">&quot; is invalid.&quot;</span>, <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; }</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; }</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; <span class="keywordflow">if</span> (min_max.resultant_var_index() &lt; 0 ||</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; min_max.resultant_var_index() &gt;= num_vars) {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;resultant_var_index=&quot;</span>, min_max.resultant_var_index(),</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; <span class="stringliteral">&quot; is invalid.&quot;</span>, <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; }</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160;}</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; </div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160;std::string FindErrorInQuadraticObjective(<span class="keyword">const</span> MPQuadraticObjective&amp; qobj,</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; <span class="keywordtype">int</span> num_vars,</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <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>&#160; qobj.qvar1_index_size() != qobj.coefficient_size()) {</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;indices and coefficients must have the same size&quot;</span>;</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; }</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; </div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; qobj.qvar1_index_size(); ++i) {</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; <span class="keywordflow">if</span> (qobj.qvar1_index(i) &gt;= num_vars || qobj.qvar1_index(i) &lt; 0) {</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;qvar1_index(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, qobj.qvar1_index(i),</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; <span class="stringliteral">&quot; is invalid.&quot;</span>, <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; }</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; </div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; <span class="keywordflow">if</span> (qobj.qvar2_index(i) &gt;= num_vars || qobj.qvar2_index(i) &lt; 0) {</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;qvar2_index(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, qobj.qvar2_index(i),</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="stringliteral">&quot; is invalid.&quot;</span>, <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; }</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; </div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(qobj.coefficient(i),</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; abs_value_threshold)) {</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;coefficient(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, (qobj.coefficient(i)),</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; <span class="stringliteral">&quot; is invalid&quot;</span>);</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; }</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; }</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160;}</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160; </div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160;std::string FindErrorInSolutionHint(</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; <span class="keyword">const</span> PartialVariableAssignment&amp; solution_hint, <span class="keywordtype">int</span> num_vars,</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; <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>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index_size() != var_value_size() [&quot;</span>,</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; solution_hint.var_index_size(), <span class="stringliteral">&quot; VS &quot;</span>,</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; solution_hint.var_value_size());</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; }</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; std::vector&lt;bool&gt; var_in_hint(num_vars, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; solution_hint.var_index_size(); ++i) {</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; <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>&#160; <span class="keywordflow">if</span> (var_index &gt;= num_vars || var_index &lt; 0) {</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_index(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, var_index, <span class="stringliteral">&quot; is invalid.&quot;</span>,</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; <span class="stringliteral">&quot; It must be in [0, &quot;</span>, num_vars, <span class="stringliteral">&quot;)&quot;</span>);</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; }</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; <span class="keywordflow">if</span> (var_in_hint[var_index]) {</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Duplicate var_index = &quot;</span>, var_index);</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; }</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; var_in_hint[var_index] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; <span class="keywordflow">if</span> (IsNanOrAbsGreaterThanOrEqual(solution_hint.var_value(i),</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; abs_value_threshold)) {</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;var_value(&quot;</span>, i, <span class="stringliteral">&quot;)=&quot;</span>, (solution_hint.var_value(i)),</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; <span class="stringliteral">&quot; is invalid&quot;</span>);</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; }</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160; }</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160; <span class="keywordflow">return</span> std::string();</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160;}</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160;} <span class="comment">// namespace</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160; </div>
<div class="line"><a name="l00416"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#aba4e66045dae6609eaff5ff1d726b2b9"> 416</a></span>&#160;std::string <a class="code" href="namespaceoperations__research.html#aba4e66045dae6609eaff5ff1d726b2b9">FindErrorInMPModelProto</a>(<span class="keyword">const</span> MPModelProto&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; <span class="keywordtype">double</span> abs_value_threshold) {</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; <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>&#160; <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>&#160; <span class="comment">// way, depending on the solvers.</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; <span class="keywordflow">if</span> (abs_value_threshold == 0.0) {</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; abs_value_threshold = absl::GetFlag(FLAGS_model_validator_infinity);</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160; }</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160; </div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; <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>&#160; abs_value_threshold)) {</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Invalid objective_offset: &quot;</span>,</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; (<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>&#160; }</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; <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>&#160; <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>&#160; </div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; <span class="comment">// Validate variables.</span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; std::string error;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_vars; ++i) {</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160; 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>&#160; <span class="keywordflow">if</span> (!error.empty()) {</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;In variable #&quot;</span>, i, <span class="stringliteral">&quot;: &quot;</span>, error, <span class="stringliteral">&quot;. Variable proto: &quot;</span>,</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160; <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>&#160; }</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160; }</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>&#160; </div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>&#160; <span class="comment">// Validate constraints.</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>&#160; std::vector&lt;bool&gt; variable_appears(num_vars, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_cts; ++i) {</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>&#160; <span class="keyword">const</span> MPConstraintProto&amp; 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>&#160; error = FindErrorInMPConstraint(constraint, &amp;variable_appears,</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>&#160; abs_value_threshold);</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>&#160; <span class="keywordflow">if</span> (!error.empty()) {</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>&#160; <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>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;In constraint #&quot;</span>, i, <span class="stringliteral">&quot;: &quot;</span>, error, <span class="stringliteral">&quot;. &quot;</span>,</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160; CroppedConstraintDebugString(constraint));</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>&#160; }</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>&#160; }</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>&#160; </div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160; <span class="comment">// Validate general constraints.</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; <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>&#160; <span class="keyword">const</span> MPGeneralConstraintProto&amp; gen_constraint =</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>&#160; <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>&#160; std::string error;</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>&#160; <span class="keywordflow">switch</span> (gen_constraint.general_constraint_case()) {</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>&#160; <span class="keywordflow">case</span> MPGeneralConstraintProto::kIndicatorConstraint:</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>&#160; error = FindErrorInMPIndicatorConstraint(</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>&#160; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, gen_constraint.indicator_constraint(), &amp;variable_appears,</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>&#160; abs_value_threshold);</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>&#160; </div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>&#160; <span class="keywordflow">case</span> MPGeneralConstraintProto::kSosConstraint:</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>&#160; error =</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>&#160; 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>&#160; &amp;variable_appears, abs_value_threshold);</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>&#160; </div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>&#160; <span class="keywordflow">case</span> MPGeneralConstraintProto::kQuadraticConstraint:</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>&#160; error = FindErrorInMPQuadraticConstraint(</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>&#160; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, gen_constraint.quadratic_constraint(), &amp;variable_appears,</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>&#160; abs_value_threshold);</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>&#160; </div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>&#160; <span class="keywordflow">case</span> MPGeneralConstraintProto::kAbsConstraint:</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>&#160; error =</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>&#160; 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>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>&#160; </div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>&#160; <span class="keywordflow">case</span> MPGeneralConstraintProto::kAndConstraint:</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>&#160; 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>&#160; gen_constraint.and_constraint());</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>&#160; </div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>&#160; <span class="keywordflow">case</span> MPGeneralConstraintProto::kOrConstraint:</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>&#160; error =</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>&#160; 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>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>&#160; </div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>&#160; <span class="keywordflow">case</span> MPGeneralConstraintProto::kMinConstraint:</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>&#160; error = FindErrorInMPMinMaxConstraint(</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>&#160; <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>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>&#160; </div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>&#160; <span class="keywordflow">case</span> MPGeneralConstraintProto::kMaxConstraint:</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>&#160; error = FindErrorInMPMinMaxConstraint(</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>&#160; <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>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Unknown general constraint type &quot;</span>,</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>&#160; gen_constraint.general_constraint_case());</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>&#160; }</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>&#160; <span class="keywordflow">if</span> (!error.empty()) {</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;In general constraint #&quot;</span>, i, <span class="stringliteral">&quot;: &quot;</span>, error);</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>&#160; }</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>&#160; }</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>&#160; </div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>&#160; <span class="comment">// Validate objectives.</span></div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.has_quadratic_objective()) {</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>&#160; error = FindErrorInQuadraticObjective(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.quadratic_objective(), num_vars,</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>&#160; abs_value_threshold);</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>&#160; <span class="keywordflow">if</span> (!error.empty()) <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;In quadratic_objective: &quot;</span>, error);</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>&#160; }</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>&#160; </div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>&#160; <span class="comment">// Validate the solution hint.</span></div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>&#160; error = FindErrorInSolutionHint(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint(), num_vars,</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>&#160; abs_value_threshold);</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>&#160; <span class="keywordflow">if</span> (!error.empty()) {</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;In solution_hint(): &quot;</span>, error);</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>&#160; }</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>&#160; </div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>&#160; <span class="keywordflow">return</span> std::string();</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>&#160;}</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>&#160; </div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>&#160;absl::optional&lt;LazyMutableCopy&lt;MPModelProto&gt;&gt;</div>
<div class="line"><a name="l00531"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a9719cad5eece9b747a6332dd39126f0c"> 531</a></span>&#160;<a class="code" href="namespaceoperations__research.html#a9719cad5eece9b747a6332dd39126f0c">ExtractValidMPModelOrPopulateResponseStatus</a>(<span class="keyword">const</span> MPModelRequest&amp; request,</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>&#160; MPSolutionResponse* <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>) {</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>&#160; <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>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>&#160; </div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>&#160; <span class="keywordflow">if</span> (!request.has_model() &amp;&amp; !request.has_model_delta()) {</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;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>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;set_status_str(<span class="stringliteral">&quot;Requests without model are considered OPTIMAL&quot;</span>);</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>&#160; <span class="keywordflow">return</span> absl::nullopt;</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>&#160; }</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>&#160; <span class="keywordflow">if</span> (request.has_model() &amp;&amp; request.has_model_delta()) {</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;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>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;set_status_str(</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>&#160; <span class="stringliteral">&quot;Fields &#39;model&#39; and &#39;model_delta&#39; are mutually exclusive&quot;</span>);</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>&#160; <span class="keywordflow">return</span> absl::nullopt;</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>&#160; }</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>&#160; </div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>&#160; <span class="comment">// Extract the baseline model.</span></div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>&#160; <a class="code" href="classoperations__research_1_1_lazy_mutable_copy.html">LazyMutableCopy&lt;MPModelProto&gt;</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>&#160; <span class="keywordflow">if</span> (request.has_model_delta()) {</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>&#160; <span class="comment">// NOTE(user): This library needs to be portable, so we can&#39;t include</span></div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>&#160; <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>&#160; std::string contents;</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>&#160; <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>&#160; request.model_delta().baseline_model_file_path(), &amp;contents);</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>&#160; <span class="keywordflow">if</span> (!file_read_status.ok()) {</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;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>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;set_status_str(</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>&#160; <span class="stringliteral">&quot;Error when reading model_delta.baseline_model_file_path: &#39;&quot;</span> +</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>&#160; file_read_status.ToString());</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>&#160; <span class="keywordflow">return</span> absl::nullopt;</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>&#160; }</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get_mutable()-&gt;ParseFromString(contents)) {</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;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>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;set_status_str(</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>&#160; absl::StrFormat(<span class="stringliteral">&quot;The contents of baseline model file &#39;%s&#39; couldn&#39;t &quot;</span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>&#160; <span class="stringliteral">&quot;be parsed as a raw serialized MPModelProto&quot;</span>,</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>&#160; request.model_delta().baseline_model_file_path()));</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>&#160; <span class="keywordflow">return</span> absl::nullopt;</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>&#160; }</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>&#160; }</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>&#160; </div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>&#160; <span class="comment">// Validate the baseline model.</span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>&#160; 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>&#160; </div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>&#160; <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>&#160; <span class="comment">// then apply it.</span></div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>&#160; <span class="keywordflow">if</span> (error.empty() &amp;&amp; request.has_model_delta()) {</div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>&#160; <span class="keyword">const</span> MPModelDeltaProto&amp; <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>&#160; 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>&#160; <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>&#160; }</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>&#160; </div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>&#160; <span class="comment">// Deal with errors.</span></div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>&#160; <span class="keywordflow">if</span> (!error.empty()) {</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>&#160; <span class="keywordflow">if</span> (request.enable_internal_solver_output()) {</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>&#160; <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">ERROR</a>) &lt;&lt; absl::StrCat(<span class="stringliteral">&quot;Invalid model: &quot;</span>, error);</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>&#160; }</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;set_status(absl::StrContains(error, <span class="stringliteral">&quot;Infeasible&quot;</span>)</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>&#160; ? <a class="code" href="namespaceoperations__research.html#aeaeaf340789f2dd271dcf9204279cb1ba12a89c0e1b72e6c40e8c0ed16afa48a6">MPSOLVER_INFEASIBLE</a></div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>&#160; : <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>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;set_status_str(error);</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>&#160; <span class="keywordflow">return</span> absl::nullopt;</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>&#160; }</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>&#160; </div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get().variable_size() == 0 &amp;&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.get().constraint_size() == 0 &amp;&amp;</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>&#160; <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>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;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>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;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>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;set_best_objective_bound(<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;objective_value());</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>&#160; <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>-&gt;set_status_str(</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>&#160; <span class="stringliteral">&quot;Requests without variables and constraints are considered OPTIMAL&quot;</span>);</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>&#160; <span class="keywordflow">return</span> absl::nullopt;</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>&#160; }</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>&#160; </div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>&#160; <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>&#160;}</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>&#160; </div>
<div class="line"><a name="l00608"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a028894df65f61e94b6a406ed76901abf"> 608</a></span>&#160;<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>&#160; 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>&#160; absl::optional&lt;LazyMutableCopy&lt;MPModelProto&gt;&gt; lazy_copy =</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>&#160; <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>&#160; <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>&#160; <span class="keywordflow">if</span> (lazy_copy-&gt;was_copied()) {</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>&#160; lazy_copy-&gt;get_mutable()-&gt;Swap(request-&gt;mutable_model());</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>&#160; }</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>&#160;}</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>&#160; </div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>&#160;<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>&#160;<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>&#160;std::string <a class="code" href="namespaceoperations__research.html#ad30505c27ac9dd7ded3396e750cbff5f">FindFeasibilityErrorInSolutionHint</a>(<span class="keyword">const</span> MPModelProto&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>&#160; <span class="keywordtype">double</span> tolerance) {</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>&#160; <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="l00624"></a><span class="lineno"> 624</span>&#160; </div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>&#160; <span class="comment">// First, we validate the solution hint.</span></div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>&#160; std::string error =</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>&#160; FindErrorInSolutionHint(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint(), num_vars,</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>&#160; absl::GetFlag(FLAGS_model_validator_infinity));</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>&#160; <span class="keywordflow">if</span> (!error.empty()) <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Invalid solution_hint: &quot;</span>, error);</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>&#160; </div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>&#160; <span class="comment">// Special error message for the empty case.</span></div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>&#160; <span class="keywordflow">if</span> (num_vars &gt; 0 &amp;&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_index_size() == 0) {</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;Empty solution_hint.&quot;</span>;</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>&#160; }</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>&#160; </div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>&#160; <span class="comment">// To be feasible, the hint must not be partial.</span></div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_index_size() != num_vars) {</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Partial solution_hint: only &quot;</span>,</div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>&#160; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_index_size(), <span class="stringliteral">&quot; out of the &quot;</span>,</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>&#160; num_vars, <span class="stringliteral">&quot; problem variables are set.&quot;</span>);</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>&#160; }</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>&#160; </div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>&#160; <span class="comment">// All the values must be exactly in the variable bounds.</span></div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>&#160; std::vector&lt;double&gt; var_value(num_vars);</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_index_size(); ++i) {</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>&#160; <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>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.solution_hint().var_value(i);</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>&#160; var_value[var_index] = <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>&#160; <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>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>&#160; <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>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>&#160; <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>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>&#160; !<a class="code" href="namespaceoperations__research.html#a096ed4f933f943ccb8859e0dc08b06ca">IsSmallerWithinTolerance</a>(lb, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>, tolerance)) {</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>&#160; <span class="keywordflow">return</span> absl::StrCat(<span class="stringliteral">&quot;Variable &#39;&quot;</span>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(var_index).name(),</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>&#160; <span class="stringliteral">&quot;&#39; is set to &quot;</span>, (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>),</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>&#160; <span class="stringliteral">&quot; which is not in the variable bounds [&quot;</span>, (lb), <span class="stringliteral">&quot;, &quot;</span>,</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>&#160; (ub), <span class="stringliteral">&quot;] modulo a tolerance of &quot;</span>, (tolerance), <span class="stringliteral">&quot;.&quot;</span>);</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>&#160; }</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>&#160; }</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>&#160; </div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>&#160; <span class="comment">// All the constraints must be satisfiable.</span></div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> cst_index = 0; cst_index &lt; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint_size(); ++cst_index) {</div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>&#160; <span class="keyword">const</span> MPConstraintProto&amp; constraint = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(cst_index);</div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>&#160; <a class="code" href="classoperations__research_1_1_accurate_sum.html">AccurateSum&lt;double&gt;</a> activity;</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; constraint.var_index_size(); ++j) {</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>&#160; activity.<a class="code" href="classoperations__research_1_1_accurate_sum.html#acc8fad1f98b885fa7d0504f4dfc71f08">Add</a>(constraint.coefficient(j) *</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>&#160; var_value[constraint.var_index(j)]);</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>&#160; }</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>&#160; <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>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>&#160; <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>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>&#160; <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>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>&#160; !<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>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>&#160; <span class="keywordflow">return</span> absl::StrCat(</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>&#160; <span class="stringliteral">&quot;Constraint &#39;&quot;</span>, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.constraint(cst_index).name(), <span class="stringliteral">&quot;&#39; has activity &quot;</span>,</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>&#160; (activity.<a class="code" href="classoperations__research_1_1_accurate_sum.html#a176a3e919acd979b67cea1ede094cdaa">Value</a>()), <span class="stringliteral">&quot; which is not in the constraint bounds [&quot;</span>, (lb),</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>&#160; <span class="stringliteral">&quot;, &quot;</span>, (ub), <span class="stringliteral">&quot;] modulo a tolerance of &quot;</span>, (tolerance), <span class="stringliteral">&quot;.&quot;</span>);</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>&#160; }</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>&#160; }</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>&#160; </div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>&#160;}</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>&#160; </div>
<div class="line"><a name="l00682"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a1fe0ce1e27e08e817ec6f105976b729f"> 682</a></span>&#160;std::string <a class="code" href="namespaceoperations__research.html#a1fe0ce1e27e08e817ec6f105976b729f">FindErrorInMPModelDeltaProto</a>(<span class="keyword">const</span> MPModelDeltaProto&amp; <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>,</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>&#160; <span class="keyword">const</span> MPModelProto&amp; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span> abs_value_threshold =</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>&#160; absl::GetFlag(FLAGS_model_validator_infinity);</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>&#160; <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="l00687"></a><span class="lineno"> 687</span>&#160; <span class="comment">// Validate delta variables.</span></div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>&#160; std::string error;</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>&#160; absl::flat_hash_set&lt;int&gt; new_var_indices;</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>&#160; <span class="keywordtype">int</span> max_var_index = num_vars - 1;</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>&#160; MPVariableProto tmp_var_proto;</div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; pair : <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>.variable_overrides()) {</div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = pair.first;</div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>&#160; <span class="keyword">const</span> MPVariableProto&amp; var_override_proto = pair.second;</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>&#160; <span class="keywordflow">if</span> (var_index &lt; 0) {</div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>&#160; error = <span class="stringliteral">&quot;Invalid key&quot;</span>;</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (var_index &gt;= num_vars) {</div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>&#160; max_var_index = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(max_var_index, var_index);</div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>&#160; new_var_indices.insert(var_index);</div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>&#160; error = FindErrorInMPVariable(var_override_proto, abs_value_threshold);</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>&#160; tmp_var_proto = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.variable(var_index);</div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>&#160; <span class="comment">// NOTE(user): It is OK for the override proto to be empty, i.e. be a</span></div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>&#160; <span class="comment">// non-override.</span></div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>&#160; tmp_var_proto.MergeFrom(var_override_proto);</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>&#160; error = FindErrorInMPVariable(tmp_var_proto, abs_value_threshold);</div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>&#160; }</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>&#160; <span class="keywordflow">if</span> (!error.empty()) {</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>&#160; <span class="keywordflow">return</span> absl::StrFormat(</div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>&#160; <span class="stringliteral">&quot;variable_overrides with key (eg. var index) = %d: %s&quot;</span>, var_index,</div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>&#160; error);</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>&#160; }</div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>&#160; }</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>&#160; <span class="keywordflow">if</span> (max_var_index != num_vars + new_var_indices.size() - 1) {</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>&#160; <span class="keywordflow">return</span> absl::StrFormat(</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>&#160; <span class="stringliteral">&quot;The added and existing variable indices do not form a dense integer &quot;</span></div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>&#160; <span class="stringliteral">&quot;interval: oldmax=%d, max=%d, num added=%d&quot;</span>,</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>&#160; num_vars - 1, max_var_index, new_var_indices.size());</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>&#160; }</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>&#160; <span class="comment">// Now we &quot;officially&quot; add the new variables to &quot;num_vars&quot;.</span></div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>&#160; num_vars += new_var_indices.size();</div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>&#160; </div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>&#160; <span class="comment">// Validate delta constraints. We can avoid going over the full</span></div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>&#160; <span class="comment">// var_index/coefficient of the original constraint, since the overrides are</span></div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>&#160; <span class="comment">// self-sufficient (i.e. the override var_index/coefficients are valid iff</span></div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>&#160; <span class="comment">// they would be valid in a standalone, new constraint). So we use a partial</span></div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>&#160; <span class="comment">// proto merger to avoid those in the baseline constraint.</span></div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>&#160; std::vector&lt;bool&gt; variable_appears(num_vars, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>&#160; MPConstraintProto tmp_constraint_proto;</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>&#160; <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>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>&#160; absl::flat_hash_set&lt;int&gt; new_ct_indices;</div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>&#160; <span class="keywordtype">int</span> max_ct_index = num_constraints - 1;</div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; pair : <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>.constraint_overrides()) {</div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> ct_index = pair.first;</div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>&#160; <span class="keyword">const</span> MPConstraintProto&amp; constraint_override_proto = pair.second;</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>&#160; <span class="keywordflow">if</span> (ct_index &lt; 0) {</div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>&#160; error = <span class="stringliteral">&quot;Invalid constraint index&quot;</span>;</div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ct_index &gt;= num_constraints) {</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>&#160; 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>&#160; new_ct_indices.insert(ct_index);</div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>&#160; error = FindErrorInMPConstraint(constraint_override_proto,</div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>&#160; &amp;variable_appears, abs_value_threshold);</div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>&#160; <span class="comment">// NOTE(user): We don&#39;t need to do the merging of var_index/coefficient:</span></div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>&#160; <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>&#160; <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>&#160; <span class="comment">// So we simply validate a reduced version of the actual &quot;merged&quot;</span></div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>&#160; <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>&#160; <span class="comment">// Benefit: the complexity is O(|constraint override|) even if the</span></div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>&#160; <span class="comment">// baseline constraint was huge.</span></div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>&#160; tmp_constraint_proto.Clear();</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>&#160; <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>&#160; &amp;tmp_constraint_proto);</div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>&#160; tmp_constraint_proto.MergeFrom(constraint_override_proto);</div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>&#160; error = FindErrorInMPConstraint(tmp_constraint_proto, &amp;variable_appears,</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>&#160; abs_value_threshold);</div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>&#160; }</div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>&#160; <span class="keywordflow">if</span> (!error.empty()) {</div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>&#160; <span class="keywordflow">return</span> absl::StrFormat(</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>&#160; <span class="stringliteral">&quot;constraint_overrides with key (eg. constraint index) = %d: %s&quot;</span>,</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>&#160; ct_index, error);</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>&#160; }</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>&#160; }</div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>&#160; <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>&#160; <span class="keywordflow">return</span> absl::StrFormat(</div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>&#160; <span class="stringliteral">&quot;The added and existing constraint indices do not form a dense integer &quot;</span></div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>&#160; <span class="stringliteral">&quot;interval: oldmax=%d, max=%d, num added=%d&quot;</span>,</div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>&#160; num_constraints - 1, max_ct_index, new_ct_indices.size());</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>&#160; }</div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>&#160; </div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>&#160;}</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>&#160; </div>
<div class="line"><a name="l00774"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#af5d41884f3ad7b19224d25ba9bccd55a"> 774</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#af5d41884f3ad7b19224d25ba9bccd55a">MergeMPConstraintProtoExceptTerms</a>(<span class="keyword">const</span> MPConstraintProto&amp; from,</div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>&#160; MPConstraintProto* to) {</div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>&#160;<span class="preprocessor">#define COPY_FIELD_IF_PRESENT(field) \</span></div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>&#160;<span class="preprocessor"> if (from.has_##field()) to-&gt;set_##field(from.field())</span></div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>&#160; <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>&#160; <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>&#160; <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>&#160; <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>&#160;<span class="preprocessor">#undef COPY_FIELD_IF_PRESENT</span></div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>&#160;}</div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>&#160; </div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>&#160;<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>&#160; <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>&#160; <span class="comment">// until the first zero.</span></div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>&#160; <span class="keywordtype">int</span> first_zero = 0;</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>&#160; <span class="keywordflow">while</span> (first_zero &lt; ct-&gt;var_index_size() &amp;&amp;</div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>&#160; <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>-&gt;coefficient(first_zero) != 0.0) {</div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>&#160; ++first_zero;</div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>&#160; }</div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>&#160; <span class="keywordtype">int</span> num_kept = first_zero;</div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = first_zero; i &lt; <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>-&gt;var_index_size(); ++i) {</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>-&gt;coefficient(i) == 0.0) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>&#160; <span class="keywordflow">if</span> (num_kept != i) {</div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>&#160; <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>-&gt;set_var_index(num_kept, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>-&gt;var_index(i));</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>&#160; <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>-&gt;set_coefficient(num_kept, <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>-&gt;coefficient(i));</div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>&#160; }</div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>&#160; ++num_kept;</div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>&#160; }</div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>&#160; <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>-&gt;mutable_var_index()-&gt;Truncate(num_kept);</div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>&#160; <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>-&gt;mutable_coefficient()-&gt;Truncate(num_kept);</div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>&#160;}</div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>&#160; </div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>&#160;<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>&#160;<span class="comment">// size. We don&#39;t use google::protobuf::util::Resize() because it&#39;s not</span></div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>&#160;<span class="comment">// compatible with &#39;light&#39; protos.</span></div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>&#160;<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>&#160; <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(size, repeated_messages-&gt;size());</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>&#160; <span class="keywordflow">while</span> (repeated_messages-&gt;size() &lt; size) repeated_messages-&gt;Add();</div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>&#160;}</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>&#160;} <span class="comment">// namespace</span></div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>&#160; </div>
<div class="line"><a name="l00817"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a5fa4ae40c78d7a248efb26fde93fb805"> 817</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="namespaceoperations__research.html#a5fa4ae40c78d7a248efb26fde93fb805">ApplyVerifiedMPModelDelta</a>(<span class="keyword">const</span> MPModelDeltaProto&amp; <a class="code" href="resource_8cc.html#a73461c37822b6ebb75b54ba1a9ffb442">delta</a>,</div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>&#160; 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>&#160; <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>&#160; <span class="keywordtype">int</span> max_var_index = -1;</div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; 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>&#160; 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>&#160; }</div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>&#160; <span class="keywordflow">if</span> (max_var_index &gt;= <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>-&gt;variable_size()) {</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>&#160; ExtendRepeatedPtrFieldToSize(max_var_index + 1, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>-&gt;mutable_variable());</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>&#160; }</div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>&#160; <span class="comment">// Then, apply the variable overrides.</span></div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; 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>&#160; <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>-&gt;mutable_variable(p.first)-&gt;MergeFrom(p.second);</div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>&#160; }</div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>&#160; </div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>&#160; <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>&#160; <span class="keywordtype">int</span> max_ct_index = -1;</div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; 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>&#160; 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>&#160; }</div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> old_num_constraints = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>-&gt;constraint_size();</div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>&#160; <span class="keywordflow">if</span> (max_ct_index &gt;= old_num_constraints) {</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>&#160; ExtendRepeatedPtrFieldToSize(max_ct_index + 1, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>-&gt;mutable_constraint());</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>&#160; }</div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>&#160; <span class="comment">// Then, apply the constraint overrides.</span></div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; 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>&#160; <span class="keyword">const</span> MPConstraintProto&amp; override_ct = p.second;</div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>&#160; MPConstraintProto* baseline = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>-&gt;mutable_constraint(p.first);</div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>&#160; <span class="comment">// Fast path for added constraints.</span></div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>&#160; <span class="keywordflow">if</span> (p.first &gt;= old_num_constraints) {</div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>&#160; *baseline = override_ct;</div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>&#160; }</div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>&#160; <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>&#160; <span class="comment">// Special case: the override is neutralized.</span></div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>&#160; <span class="keywordflow">if</span> (override_ct.has_lower_bound() &amp;&amp;</div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>&#160; override_ct.lower_bound() &lt;=</div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>&#160; -absl::GetFlag(FLAGS_model_validator_infinity) &amp;&amp;</div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>&#160; override_ct.has_upper_bound() &amp;&amp;</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>&#160; override_ct.upper_bound() &gt;=</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>&#160; absl::GetFlag(FLAGS_model_validator_infinity)) {</div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>&#160; baseline-&gt;clear_var_index();</div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>&#160; baseline-&gt;clear_coefficient();</div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>&#160; }</div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>&#160; <span class="comment">// Otherwise we have to apply the term overrides. We can&#39;t do that in less</span></div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>&#160; <span class="comment">// than O(|baseline| + |override_ct|) because the baseline doesn&#39;t have a</span></div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>&#160; <span class="comment">// lookup-friendly data structure. But we still try to do it as efficiently</span></div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>&#160; <span class="comment">// as possible. In particular, we only use O(|override_ct|) extra memory.</span></div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>&#160; absl::flat_hash_map&lt;int, double&gt; term_overrides;</div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>&#160; term_overrides.reserve(override_ct.var_index_size());</div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; override_ct.var_index_size(); ++i) {</div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>&#160; term_overrides[override_ct.var_index(i)] = override_ct.coefficient(i);</div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>&#160; }</div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; baseline-&gt;var_index_size(); ++i) {</div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>&#160; <span class="keyword">auto</span> it = term_overrides.find(baseline-&gt;var_index(i));</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>&#160; <span class="keywordflow">if</span> (it == term_overrides.end()) <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>&#160; baseline-&gt;set_coefficient(i, it-&gt;second);</div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>&#160; it-&gt;second = 0.0; <span class="comment">// To mark this term override as &#39;has been applied&#39;.</span></div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>&#160; }</div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>&#160; PruneZeroTermsInMpConstraint(baseline);</div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>&#160; <span class="comment">// Add the term overrides which haven&#39;t been used: those are added terms.</span></div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; p : term_overrides) {</div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>&#160; <span class="keywordflow">if</span> (p.second != 0.0) {</div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>&#160; baseline-&gt;add_var_index(p.first);</div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>&#160; baseline-&gt;add_coefficient(p.second);</div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>&#160; }</div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>&#160; }</div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>&#160; }</div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>&#160;}</div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>&#160; </div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>&#160;} <span class="comment">// namespace operations_research</span></div>
<div class="ttc" id="aaccurate__sum_8h_html"><div class="ttname"><a href="accurate__sum_8h.html">accurate_sum.h</a></div></div>
<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>
<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>
<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>
<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>
<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>
<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>
<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 &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="accurate__sum_8h_source.html#l00029">accurate_sum.h:29</a></div></div>
<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>
<div class="ttc" id="acommandlineflags_8h_html"><div class="ttname"><a href="commandlineflags_8h.html">commandlineflags.h</a></div></div>
<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>
<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>
<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>
<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>
<div class="ttc" id="afp__utils_8h_html"><div class="ttname"><a href="fp__utils_8h.html">fp_utils.h</a></div></div>
<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>
<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>
<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>
<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>
<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, &quot;Anything above or equal to this magnitude will be considered infinity.&quot;)</div></div>
<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>
<div class="ttc" id="amodel__validator_8h_html"><div class="ttname"><a href="model__validator_8h.html">model_validator.h</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">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>
<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>
<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>
<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 &amp;delta, const MPModelProto &amp;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>
<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 &amp;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>
<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 &amp;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>
<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&lt; LazyMutableCopy&lt; MPModelProto &gt; &gt; ExtractValidMPModelOrPopulateResponseStatus(const MPModelRequest &amp;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>
<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 &amp;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>
<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>
<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 &amp;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>
<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>
<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>
<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>
<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 &amp;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>
<div class="ttc" id="aport_2file_8h_html"><div class="ttname"><a href="port_2file_8h.html">file.h</a></div></div>
<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>
<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>
<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&lt; int &gt; 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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