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<a href="lp__parser_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2021 Google LLC</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="lp__parser_8h.html">ortools/lp_data/lp_parser.h</a>"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <set></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "absl/status/status.h"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "absl/status/statusor.h"</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "absl/strings/match.h"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "absl/strings/numbers.h"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "absl/strings/str_cat.h"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "absl/strings/str_split.h"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "absl/strings/string_view.h"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "absl/strings/strip.h"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="case_8h.html">ortools/base/case.h</a>"</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="linear__solver_8pb_8h.html">ortools/linear_solver/linear_solver.pb.h</a>"</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="lp__data_2proto__utils_8h.html">ortools/lp_data/proto_utils.h</a>"</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "re2/re2.h"</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>glop {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>{</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> using ::absl::StatusOr;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="lp__parser_8cc.html#aa520fbf142ba1e7e659590c07da31921"> 42</a></span> <span class="keyword">enum class</span> <a class="code" href="lp__parser_8cc.html#aa520fbf142ba1e7e659590c07da31921">TokenType</a> {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">ERROR</a>,</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  END,</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  ADDAND,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  VALUE,</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  INF,</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  NAME,</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  SIGN_LE,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  SIGN_EQ,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  SIGN_GE,</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  COMA,</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> };</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keywordtype">bool</span> TokenIsBound(TokenType token_type) {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (token_type == TokenType::VALUE || token_type == TokenType::INF) {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// Not thread safe.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">class </span>LPParser {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// Accepts the string in LP file format (used by LinearProgram::Dump()).</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// On success, populates the linear program *lp and returns true. Otherwise,</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// returns false and leaves *lp in an unspecified state.</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  ABSL_MUST_USE_RESULT <span class="keywordtype">bool</span> Parse(absl::string_view <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, LinearProgram* lp);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">bool</span> ParseEmptyLine(absl::string_view line);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">bool</span> ParseObjective(absl::string_view objective);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">bool</span> ParseIntegerVariablesList(absl::string_view line);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research_1_1glop.html#a3f17d86383ca85cb8b7aa70b3309865e">ParseConstraint</a>(absl::string_view constraint);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  TokenType ConsumeToken(absl::string_view* sp);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">bool</span> SetVariableBounds(ColIndex <a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, <a class="code" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">Fractional</a> lb, <a class="code" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">Fractional</a> ub);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Linear program populated by the Parse() method. Not owned.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  LinearProgram* lp_;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// Contains the last consumed coefficient and name. The name can be the</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// optimization direction, a constraint name, or a variable name.</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">Fractional</a> consumed_coeff_;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  std::string consumed_name_;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// To remember whether the variable bounds had already been set.</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  std::set<ColIndex> bounded_variables_;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> };</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keywordtype">bool</span> LPParser::Parse(absl::string_view <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, LinearProgram* lp) {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  lp_ = lp;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  bounded_variables_.clear();</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#aa71d36872f416feaa853788a7a7a7ef8">Clear</a>();</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  std::vector<absl::string_view> lines =</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  absl::StrSplit(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="charliteral">';'</span>, absl::SkipEmpty());</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">bool</span> has_objective = <span class="keyword">false</span>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">for</span> (absl::string_view line : lines) {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (!has_objective && ParseObjective(line)) {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  has_objective = <span class="keyword">true</span>;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1glop.html#a3f17d86383ca85cb8b7aa70b3309865e">ParseConstraint</a>(line) && !ParseIntegerVariablesList(line) &&</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  !ParseEmptyLine(line)) {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Error in line: "</span> << line;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// Bound the non-bounded variables between -inf and +inf. We need to do this,</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// as glop bounds a variable by default between 0 and +inf.</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">for</span> (ColIndex <a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>(0); <a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a> < lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#acd8437353d8dc686a75c98b5897dd871">num_variables</a>(); ++<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>) {</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (bounded_variables_.find(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>) == bounded_variables_.end()) {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">SetVariableBounds</a>(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, -<a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>, +<a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#abfc30f91ab75c6f4552003f777672e74">CleanUp</a>();</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keywordtype">bool</span> LPParser::ParseEmptyLine(absl::string_view line) {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (ConsumeToken(&line) == TokenType::END) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keywordtype">bool</span> LPParser::ParseObjective(absl::string_view objective) {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// Get the required optimization direction.</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (ConsumeToken(&objective) != TokenType::NAME) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (absl::EqualsIgnoreCase(consumed_name_, <span class="stringliteral">"min"</span>)) {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#ae3201a343d8df987411b55830bff7fa3">SetMaximizationProblem</a>(<span class="keyword">false</span>);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (absl::EqualsIgnoreCase(consumed_name_, <span class="stringliteral">"max"</span>)) {</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#ae3201a343d8df987411b55830bff7fa3">SetMaximizationProblem</a>(<span class="keyword">true</span>);</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Get the optional offset.</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="lp__parser_8cc.html#aa520fbf142ba1e7e659590c07da31921">TokenType</a> token_type = ConsumeToken(&objective);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (token_type == TokenType::VALUE) {</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a2a29cc40908e09b0c565ceea15b77d89">SetObjectiveOffset</a>(consumed_coeff_);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  token_type = ConsumeToken(&objective);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a2a29cc40908e09b0c565ceea15b77d89">SetObjectiveOffset</a>(0.0);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Get the addands.</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">while</span> (token_type == TokenType::ADDAND) {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> ColIndex <a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a> = lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a4e1fb82cbbf024213eae338216bf601e">FindOrCreateVariable</a>(consumed_name_);</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a5c8255f82269d42db81cc944eff0180f">objective_coefficients</a>()[<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>] != 0.0) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#ab5af7f232cddcd91f70be84c0d398ba9">SetObjectiveCoefficient</a>(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, consumed_coeff_);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  token_type = ConsumeToken(&objective);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> token_type == TokenType::END;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keywordtype">bool</span> LPParser::ParseIntegerVariablesList(absl::string_view line) {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// Get the required "int" or "bin" keyword.</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">bool</span> binary_list = <span class="keyword">false</span>;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (ConsumeToken(&line) != TokenType::NAME) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (absl::EqualsIgnoreCase(consumed_name_, <span class="stringliteral">"bin"</span>)) {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  binary_list = <span class="keyword">true</span>;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!absl::EqualsIgnoreCase(consumed_name_, <span class="stringliteral">"int"</span>)) {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// Get the list of integer variables, separated by optional comas.</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="lp__parser_8cc.html#aa520fbf142ba1e7e659590c07da31921">TokenType</a> token_type = ConsumeToken(&line);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">while</span> (token_type == TokenType::ADDAND) {</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (consumed_coeff_ != 1.0) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">const</span> ColIndex <a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a> = lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a4e1fb82cbbf024213eae338216bf601e">FindOrCreateVariable</a>(consumed_name_);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a7ddcdc56f25d075e18d62ddbcd3389b2">SetVariableType</a>(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, <a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#ac62972ff1b21a037e56530cde67309aba5d5cd46919fa987731fb2edefe0f2a0c">LinearProgram::VariableType::INTEGER</a>);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (binary_list && !SetVariableBounds(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, 0.0, 1.0)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  token_type = ConsumeToken(&line);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (token_type == TokenType::COMA) {</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  token_type = ConsumeToken(&line);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// The last token must be END.</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (token_type != TokenType::END) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research_1_1glop.html#a3f17d86383ca85cb8b7aa70b3309865e">LPParser::ParseConstraint</a>(absl::string_view constraint) {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> StatusOr<ParsedConstraint> parsed_constraint_or_status =</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="namespaceoperations__research_1_1glop.html#a3f17d86383ca85cb8b7aa70b3309865e">::operations_research::glop::ParseConstraint</a>(constraint);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span> (!parsed_constraint_or_status.ok()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">const</span> ParsedConstraint& parsed_constraint =</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  parsed_constraint_or_status.value();</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// Set the variables bounds without creating new constraints.</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span> (parsed_constraint.name.empty() &&</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  parsed_constraint.coefficients.size() == 1 &&</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  parsed_constraint.coefficients[0] == 1.0) {</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> ColIndex <a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a> =</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a4e1fb82cbbf024213eae338216bf601e">FindOrCreateVariable</a>(parsed_constraint.variable_names[0]);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (!SetVariableBounds(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, parsed_constraint.lower_bound,</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  parsed_constraint.upper_bound)) {</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">const</span> RowIndex num_constraints_before_adding_variable =</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#afda9b9b5e858d0c466d2a6293361004a">num_constraints</a>();</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// The constaint has a name, or there are more than variable, or the</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// coefficient is not 1. Thus, create and fill a new constraint.</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="comment">// We don't use SetConstraintName() because constraints named that way</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// cannot be found via FindOrCreateConstraint() (see comment on</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// SetConstraintName()), which can be useful for tests using ParseLP.</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> RowIndex <a class="code" href="markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52">row</a> =</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  parsed_constraint.name.empty()</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  ? lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#ad9d564651057c77b3f2ca1293134557f">CreateNewConstraint</a>()</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  : lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a6b50792950c42b62e8bf4ed596aebb27">FindOrCreateConstraint</a>(parsed_constraint.name);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> (lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#afda9b9b5e858d0c466d2a6293361004a">num_constraints</a>() == num_constraints_before_adding_variable) {</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// No constraints were added, meaning we found one.</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Two constraints with the same name: "</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  << parsed_constraint.name;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1glop.html#a2122f0c519a9e417e92c63273565d6b5">AreBoundsValid</a>(parsed_constraint.lower_bound,</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  parsed_constraint.upper_bound)) {</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a62b98dec38b6506442f9fc63f1a9b88f">SetConstraintBounds</a>(<a class="code" href="markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52">row</a>, parsed_constraint.lower_bound,</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  parsed_constraint.upper_bound);</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < parsed_constraint.variable_names.size(); ++i) {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">const</span> ColIndex variable =</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a4e1fb82cbbf024213eae338216bf601e">FindOrCreateVariable</a>(parsed_constraint.variable_names[i]);</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a2d695f450ae446d5d9c225b991f8d88e">SetCoefficient</a>(<a class="code" href="markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52">row</a>, variable, parsed_constraint.coefficients[i]);</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> }</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="keywordtype">bool</span> LPParser::SetVariableBounds(ColIndex <a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, <a class="code" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">Fractional</a> lb, <a class="code" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">Fractional</a> ub) {</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span> (bounded_variables_.find(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>) == bounded_variables_.end()) {</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// The variable was not bounded yet, thus reset its bounds.</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  bounded_variables_.insert(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">SetVariableBounds</a>(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, -<a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>, <a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>);</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// Set the bounds only if their stricter and valid.</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  lb = <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(lb, lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a4ba664b00317505a0026d2a38e6dd565">variable_lower_bounds</a>()[<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>]);</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  ub = <a class="code" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(ub, lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#acd138469679be137d0de53459b1342cb">variable_upper_bounds</a>()[<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>]);</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1glop.html#a2122f0c519a9e417e92c63273565d6b5">AreBoundsValid</a>(lb, ub)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  lp_-><a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">SetVariableBounds</a>(<a class="code" href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a>, lb, ub);</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <a class="code" href="lp__parser_8cc.html#aa520fbf142ba1e7e659590c07da31921">TokenType</a> ConsumeToken(absl::string_view* sp, std::string* consumed_name,</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordtype">double</span>* consumed_coeff) {</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(consumed_name != <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <a class="code" href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(consumed_coeff != <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// We use LazyRE2 everywhere so that all the patterns are just compiled once</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// when they are needed for the first time. This speed up the code</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// significantly. Note that the use of LazyRE2 is thread safe.</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kEndPattern = {R<span class="stringliteral">"(\s*)"};</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="stringliteral"></span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="stringliteral"> </span><span class="comment">// There is nothing more to consume.</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span> (sp->empty() || RE2::FullMatch(*sp, *kEndPattern)) {</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">return</span> TokenType::END;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// Return NAME if the next token is a line name, or integer variable list</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// indicator.</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kNamePattern1 = {R<span class="stringliteral">"(\s*(\w[\w[\]]*):)"};</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="stringliteral"> </span><span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kNamePattern2 = {R<span class="stringliteral">"((?i)\s*(int)\s*:?)"};</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="stringliteral"> </span><span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kNamePattern3 = {R<span class="stringliteral">"((?i)\s*(bin)\s*:?)"};</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (RE2::Consume(sp, *kNamePattern1, consumed_name)) <span class="keywordflow">return</span> TokenType::NAME;</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> (RE2::Consume(sp, *kNamePattern2, consumed_name)) <span class="keywordflow">return</span> TokenType::NAME;</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (RE2::Consume(sp, *kNamePattern3, consumed_name)) <span class="keywordflow">return</span> TokenType::NAME;</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">// Return SIGN_* if the next token is a relation sign.</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kLePattern = {R<span class="stringliteral">"(\s*<=?)"};</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (RE2::Consume(sp, *kLePattern)) <span class="keywordflow">return</span> TokenType::SIGN_LE;</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kEqPattern = {R<span class="stringliteral">"(\s*=)"};</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (RE2::Consume(sp, *kEqPattern)) <span class="keywordflow">return</span> TokenType::SIGN_EQ;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kGePattern = {R<span class="stringliteral">"(\s*>=?)"};</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (RE2::Consume(sp, *kGePattern)) <span class="keywordflow">return</span> TokenType::SIGN_GE;</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// Return COMA if the next token is a coma.</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kComaPattern = {R<span class="stringliteral">"(\s*\,)"};</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (RE2::Consume(sp, *kComaPattern)) <span class="keywordflow">return</span> TokenType::COMA;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// Consume all plus and minus signs.</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  std::string sign;</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordtype">int</span> minus_count = 0;</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kSignPattern = {R<span class="stringliteral">"(\s*([-+]{1}))"};</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="stringliteral"> </span><span class="keywordflow">while</span> (RE2::Consume(sp, *kSignPattern, &sign)) {</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">if</span> (sign == <span class="stringliteral">"-"</span>) minus_count++;</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// Return INF if the next token is an infinite value.</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kInfPattern = {R<span class="stringliteral">"((?i)\s*inf)"};</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (RE2::Consume(sp, *kInfPattern)) {</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  *consumed_coeff = minus_count % 2 == 0 ? <a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a> : -<a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">return</span> TokenType::INF;</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// Check if the next token is a value. If it is infinite return INF.</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  std::string coeff;</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordtype">bool</span> has_value = <span class="keyword">false</span>;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kValuePattern = {</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  R<span class="stringliteral">"(\s*([0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?))"};</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (RE2::Consume(sp, *kValuePattern, &coeff)) {</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> (!absl::SimpleAtod(coeff, consumed_coeff)) {</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">// Note: If absl::SimpleAtod(), Consume(), and kValuePattern are correct,</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// this should never happen.</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(ERROR) << <span class="stringliteral">"Text: "</span> << coeff << <span class="stringliteral">" was matched by RE2 to be "</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  << <span class="stringliteral">"a floating point number, but absl::SimpleAtod() failed."</span>;</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span> <a class="code" href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">TokenType::ERROR</a>;</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1glop.html#a95879916d90daeba91c40399ae5ddcc6">IsFinite</a>(*consumed_coeff)) {</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Value "</span> << coeff << <span class="stringliteral">" treated as infinite."</span>;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">return</span> TokenType::INF;</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  has_value = <span class="keyword">true</span>;</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  *consumed_coeff = 1.0;</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> (minus_count % 2 == 1) *consumed_coeff *= -1.0;</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// Return ADDAND (coefficient and name) if the next token is a variable name.</span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// Otherwise, if we found a finite value previously, return VALUE.</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="comment">// Otherwise, return ERROR.</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  std::string multiplication;</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">static</span> <span class="keyword">const</span> LazyRE2 kAddandPattern = {R<span class="stringliteral">"(\s*(\*?)\s*([a-zA-Z_)][\w[\])]*))"};</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="stringliteral"> </span><span class="keywordflow">if</span> (RE2::Consume(sp, *kAddandPattern, &multiplication, consumed_name)) {</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">if</span> (!multiplication.empty() && !has_value) <span class="keywordflow">return</span> <a class="code" href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">TokenType::ERROR</a>;</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">return</span> TokenType::ADDAND;</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (has_value) {</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">return</span> TokenType::VALUE;</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">return</span> <a class="code" href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">TokenType::ERROR</a>;</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> }</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <a class="code" href="lp__parser_8cc.html#aa520fbf142ba1e7e659590c07da31921">TokenType</a> LPParser::ConsumeToken(absl::string_view* sp) {</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  using ::operations_research::glop::ConsumeToken;</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">return</span> ConsumeToken(sp, &consumed_name_, &consumed_coeff_);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> }</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1glop.html#a3f17d86383ca85cb8b7aa70b3309865e"> 343</a></span> StatusOr<ParsedConstraint> <a class="code" href="namespaceoperations__research_1_1glop.html#a3f17d86383ca85cb8b7aa70b3309865e">ParseConstraint</a>(absl::string_view constraint) {</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html">ParsedConstraint</a> parsed_constraint;</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="comment">// Get the name, if present.</span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  absl::string_view constraint_copy(constraint);</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  std::string consumed_name;</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <a class="code" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">Fractional</a> consumed_coeff;</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">if</span> (ConsumeToken(&constraint_copy, &consumed_name, &consumed_coeff) ==</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  TokenType::NAME) {</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a9b45b3e13bd9167aab02e17e08916231">name</a> = consumed_name;</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  constraint = constraint_copy;</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  }</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <a class="code" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">Fractional</a> left_bound;</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <a class="code" href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">Fractional</a> right_bound;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  TokenType left_sign(TokenType::END);</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  TokenType right_sign(TokenType::END);</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  absl::flat_hash_set<std::string> used_variables;</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// Get the left bound and the relation sign, if present.</span></div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  TokenType token_type =</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  ConsumeToken(&constraint, &consumed_name, &consumed_coeff);</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">if</span> (TokenIsBound(token_type)) {</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  left_bound = consumed_coeff;</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  left_sign = ConsumeToken(&constraint, &consumed_name, &consumed_coeff);</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span> (left_sign != TokenType::SIGN_LE && left_sign != TokenType::SIGN_EQ &&</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  left_sign != TokenType::SIGN_GE) {</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="stringliteral">"Expected an equality/inequality sign for the left bound."</span>);</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  token_type = ConsumeToken(&constraint, &consumed_name, &consumed_coeff);</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> </div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="comment">// Get the addands, if present.</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">while</span> (token_type == TokenType::ADDAND) {</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">if</span> (used_variables.contains(consumed_name)) {</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  absl::StrCat(<span class="stringliteral">"Duplicate variable name: "</span>, consumed_name));</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  }</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  used_variables.insert(consumed_name);</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a8bafda2d3658c27232fea7c82613bdb0">variable_names</a>.push_back(consumed_name);</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#aba57fa111cf5dbb244a282416ad3e695">coefficients</a>.push_back(consumed_coeff);</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  token_type = ConsumeToken(&constraint, &consumed_name, &consumed_coeff);</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// If the left sign was EQ there can be no right side.</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> (left_sign == TokenType::SIGN_EQ && token_type != TokenType::END) {</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="stringliteral">"Equality constraints can have only one bound."</span>);</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  }</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="comment">// Get the right sign and the right bound, if present.</span></div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">if</span> (token_type != TokenType::END) {</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  right_sign = token_type;</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> (right_sign != TokenType::SIGN_LE && right_sign != TokenType::SIGN_EQ &&</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  right_sign != TokenType::SIGN_GE) {</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="stringliteral">"Expected an equality/inequality sign for the right bound."</span>);</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  }</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">// If the right sign is EQ, there can be no left side.</span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">if</span> (left_sign != TokenType::END && right_sign == TokenType::SIGN_EQ) {</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="stringliteral">"Equality constraints can have only one bound."</span>);</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  }</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">if</span> (!TokenIsBound(</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  ConsumeToken(&constraint, &consumed_name, &consumed_coeff))) {</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(<span class="stringliteral">"Bound value was expected."</span>);</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  }</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  right_bound = consumed_coeff;</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">if</span> (ConsumeToken(&constraint, &consumed_name, &consumed_coeff) !=</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  TokenType::END) {</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  absl::StrCat(<span class="stringliteral">"End of input was expected, found: "</span>, constraint));</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">// There was no constraint!</span></div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">if</span> (left_sign == TokenType::END && right_sign == TokenType::END) {</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(<span class="stringliteral">"The input constraint was empty."</span>);</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> </div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="comment">// Calculate bounds to set.</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a43a86e62cda1914f2e5a9dbeb4b6d075">lower_bound</a> = -<a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>;</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a69fffe9340f37bc1ff072b03faab932d">upper_bound</a> = <a class="code" href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">kInfinity</a>;</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span> (left_sign == TokenType::SIGN_LE || left_sign == TokenType::SIGN_EQ) {</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a43a86e62cda1914f2e5a9dbeb4b6d075">lower_bound</a> = left_bound;</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  }</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">if</span> (left_sign == TokenType::SIGN_GE || left_sign == TokenType::SIGN_EQ) {</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a69fffe9340f37bc1ff072b03faab932d">upper_bound</a> = left_bound;</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">if</span> (right_sign == TokenType::SIGN_LE || right_sign == TokenType::SIGN_EQ) {</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a69fffe9340f37bc1ff072b03faab932d">upper_bound</a> =</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <a class="code" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a69fffe9340f37bc1ff072b03faab932d">upper_bound</a>, right_bound);</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">if</span> (right_sign == TokenType::SIGN_GE || right_sign == TokenType::SIGN_EQ) {</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a43a86e62cda1914f2e5a9dbeb4b6d075">lower_bound</a> =</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(parsed_constraint.<a class="code" href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a43a86e62cda1914f2e5a9dbeb4b6d075">lower_bound</a>, right_bound);</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">return</span> parsed_constraint;</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> }</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div><div class="line"><a name="l00443"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1glop.html#a662cdf0c2fb9c6e52c0c7af62d4810c0"> 443</a></span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research_1_1glop.html#a662cdf0c2fb9c6e52c0c7af62d4810c0">ParseLp</a>(absl::string_view <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html">LinearProgram</a>* lp) {</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  LPParser parser;</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">return</span> parser.Parse(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, lp);</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span> }</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> } <span class="comment">// namespace glop</span></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> </div><div class="line"><a name="l00450"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#ac28b7c20a0d32b46e64fbca1555c345f"> 450</a></span> absl::StatusOr<MPModelProto> <a class="code" href="namespaceoperations__research.html#ac28b7c20a0d32b46e64fbca1555c345f">ModelProtoFromLpFormat</a>(absl::string_view <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <a class="code" href="classoperations__research_1_1glop_1_1_linear_program.html">glop::LinearProgram</a> lp;</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceoperations__research_1_1glop.html#a662cdf0c2fb9c6e52c0c7af62d4810c0">ParseLp</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &lp)) {</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(<span class="stringliteral">"Parsing error, see LOGs for details."</span>);</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <a class="code" href="classoperations__research_1_1_m_p_model_proto.html">MPModelProto</a> <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>;</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <a class="code" href="namespaceoperations__research_1_1glop.html#a8750840afdd5774223821fd504df04c5">LinearProgramToMPModelProto</a>(lp, &<a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>);</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">return</span> <a class="code" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>;</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> }</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span> </div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span> } <span class="comment">// namespace operations_research</span></div><div class="ttc" id="lp__parser_8h_html"><div class="ttname"><a href="lp__parser_8h.html">lp_parser.h</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1glop_html_a8750840afdd5774223821fd504df04c5"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a8750840afdd5774223821fd504df04c5">operations_research::glop::LinearProgramToMPModelProto</a></div><div class="ttdeci">void LinearProgramToMPModelProto(const LinearProgram &input, MPModelProto *output)</div><div class="ttdef"><b>Definition:</b> <a href="proto__utils_8cc_source.html#l00020">proto_utils.cc:20</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html">operations_research::glop::LinearProgram</a></div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00055">lp_data.h:55</a></div></div>
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<div class="ttc" id="alldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_ab5af7f232cddcd91f70be84c0d398ba9"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#ab5af7f232cddcd91f70be84c0d398ba9">operations_research::glop::LinearProgram::SetObjectiveCoefficient</a></div><div class="ttdeci">void SetObjectiveCoefficient(ColIndex col, Fractional value)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00326">lp_data.cc:326</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_a4e1fb82cbbf024213eae338216bf601e"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a4e1fb82cbbf024213eae338216bf601e">operations_research::glop::LinearProgram::FindOrCreateVariable</a></div><div class="ttdeci">ColIndex FindOrCreateVariable(const std::string &variable_id)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00205">lp_data.cc:205</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1glop_html_a662cdf0c2fb9c6e52c0c7af62d4810c0"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a662cdf0c2fb9c6e52c0c7af62d4810c0">operations_research::glop::ParseLp</a></div><div class="ttdeci">bool ParseLp(absl::string_view model, LinearProgram *lp)</div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8cc_source.html#l00443">lp_parser.cc:443</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_afda9b9b5e858d0c466d2a6293361004a"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#afda9b9b5e858d0c466d2a6293361004a">operations_research::glop::LinearProgram::num_constraints</a></div><div class="ttdeci">RowIndex num_constraints() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00208">lp_data.h:208</a></div></div>
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<div class="ttc" id="base_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00983">base/logging.h:983</a></div></div>
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<div class="ttc" id="log__severity_8h_html_ac9bcbe19995a8140cd4ec61773cd6e67"><div class="ttname"><a href="log__severity_8h.html#ac9bcbe19995a8140cd4ec61773cd6e67">ERROR</a></div><div class="ttdeci">const int ERROR</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00032">log_severity.h:32</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_a7ddcdc56f25d075e18d62ddbcd3389b2"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a7ddcdc56f25d075e18d62ddbcd3389b2">operations_research::glop::LinearProgram::SetVariableType</a></div><div class="ttdeci">void SetVariableType(ColIndex col, VariableType type)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00236">lp_data.cc:236</a></div></div>
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<div class="ttc" id="base_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="markowitz_8cc_html_aa9d6c98fdf8d89b0e2321fda02adc82c"><div class="ttname"><a href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a></div><div class="ttdeci">ColIndex col</div><div class="ttdef"><b>Definition:</b> <a href="markowitz_8cc_source.html#l00183">markowitz.cc:183</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1glop_html_a733947145e3e1631165b618b05c9ccb7"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">operations_research::glop::Fractional</a></div><div class="ttdeci">double Fractional</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00078">lp_types.h:78</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_aa71d36872f416feaa853788a7a7a7ef8"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#aa71d36872f416feaa853788a7a7a7ef8">operations_research::glop::LinearProgram::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00134">lp_data.cc:134</a></div></div>
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<div class="ttc" id="gurobi__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#l00274">gurobi_interface.cc:274</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_a6b50792950c42b62e8bf4ed596aebb27"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a6b50792950c42b62e8bf4ed596aebb27">operations_research::glop::LinearProgram::FindOrCreateConstraint</a></div><div class="ttdeci">RowIndex FindOrCreateConstraint(const std::string &constraint_id)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00218">lp_data.cc:218</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_a62b98dec38b6506442f9fc63f1a9b88f"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a62b98dec38b6506442f9fc63f1a9b88f">operations_research::glop::LinearProgram::SetConstraintBounds</a></div><div class="ttdeci">void SetConstraintBounds(RowIndex row, Fractional lower_bound, Fractional upper_bound)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00309">lp_data.cc:309</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_a2a29cc40908e09b0c565ceea15b77d89"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a2a29cc40908e09b0c565ceea15b77d89">operations_research::glop::LinearProgram::SetObjectiveOffset</a></div><div class="ttdeci">void SetObjectiveOffset(Fractional objective_offset)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00331">lp_data.cc:331</a></div></div>
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<div class="ttc" id="markowitz_8cc_html_aea35f36ba98d5bbd8d033382f50c9e52"><div class="ttname"><a href="markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52">row</a></div><div class="ttdeci">RowIndex row</div><div class="ttdef"><b>Definition:</b> <a href="markowitz_8cc_source.html#l00182">markowitz.cc:182</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1glop_html_a95879916d90daeba91c40399ae5ddcc6"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a95879916d90daeba91c40399ae5ddcc6">operations_research::glop::IsFinite</a></div><div class="ttdeci">bool IsFinite(Fractional value)</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00091">lp_types.h:91</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1glop_html_a2122f0c519a9e417e92c63273565d6b5"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a2122f0c519a9e417e92c63273565d6b5">operations_research::glop::AreBoundsValid</a></div><div class="ttdeci">bool AreBoundsValid(Fractional lower_bound, Fractional upper_bound)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00693">lp_data.h:693</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_a5c8255f82269d42db81cc944eff0180f"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a5c8255f82269d42db81cc944eff0180f">operations_research::glop::LinearProgram::objective_coefficients</a></div><div class="ttdeci">const DenseRow & objective_coefficients() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00223">lp_data.h:223</a></div></div>
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<div class="ttc" id="structoperations__research_1_1glop_1_1_parsed_constraint_html_a9b45b3e13bd9167aab02e17e08916231"><div class="ttname"><a href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a9b45b3e13bd9167aab02e17e08916231">operations_research::glop::ParsedConstraint::name</a></div><div class="ttdeci">std::string name</div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8h_source.html#l00100">lp_parser.h:100</a></div></div>
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<div class="ttc" id="structoperations__research_1_1glop_1_1_parsed_constraint_html"><div class="ttname"><a href="structoperations__research_1_1glop_1_1_parsed_constraint.html">operations_research::glop::ParsedConstraint</a></div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8h_source.html#l00098">lp_parser.h:98</a></div></div>
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<div class="ttc" id="alldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
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<div class="ttc" id="map__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_abfc30f91ab75c6f4552003f777672e74"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#abfc30f91ab75c6f4552003f777672e74">operations_research::glop::LinearProgram::CleanUp</a></div><div class="ttdeci">void CleanUp()</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00347">lp_data.cc:347</a></div></div>
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<div class="ttc" id="structoperations__research_1_1glop_1_1_parsed_constraint_html_aba57fa111cf5dbb244a282416ad3e695"><div class="ttname"><a href="structoperations__research_1_1glop_1_1_parsed_constraint.html#aba57fa111cf5dbb244a282416ad3e695">operations_research::glop::ParsedConstraint::coefficients</a></div><div class="ttdeci">std::vector< Fractional > coefficients</div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8h_source.html#l00107">lp_parser.h:107</a></div></div>
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<div class="ttc" id="structoperations__research_1_1glop_1_1_parsed_constraint_html_a8bafda2d3658c27232fea7c82613bdb0"><div class="ttname"><a href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a8bafda2d3658c27232fea7c82613bdb0">operations_research::glop::ParsedConstraint::variable_names</a></div><div class="ttdeci">std::vector< std::string > variable_names</div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8h_source.html#l00103">lp_parser.h:103</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1glop_html_af9a790b7e8c5b0c6d55b336177378e78"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#af9a790b7e8c5b0c6d55b336177378e78">operations_research::glop::kInfinity</a></div><div class="ttdeci">const double kInfinity</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00084">lp_types.h:84</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_ad9d564651057c77b3f2ca1293134557f"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#ad9d564651057c77b3f2ca1293134557f">operations_research::glop::LinearProgram::CreateNewConstraint</a></div><div class="ttdeci">RowIndex CreateNewConstraint()</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00191">lp_data.cc:191</a></div></div>
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<div class="ttc" id="lp__data_2proto__utils_8h_html"><div class="ttname"><a href="lp__data_2proto__utils_8h.html">proto_utils.h</a></div></div>
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<div class="ttc" id="lp__parser_8cc_html_aa520fbf142ba1e7e659590c07da31921"><div class="ttname"><a href="lp__parser_8cc.html#aa520fbf142ba1e7e659590c07da31921">operations_research::glop::@358::TokenType</a></div><div class="ttdeci">TokenType</div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8cc_source.html#l00042">lp_parser.cc:42</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_acd8437353d8dc686a75c98b5897dd871"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#acd8437353d8dc686a75c98b5897dd871">operations_research::glop::LinearProgram::num_variables</a></div><div class="ttdeci">ColIndex num_variables() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00205">lp_data.h:205</a></div></div>
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<div class="ttc" id="cp__model__solver_8cc_html_a6ac76d8a372013f67c4973012948ec84"><div class="ttname"><a href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a></div><div class="ttdeci">CpModelProto const * model_proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l01949">cp_model_solver.cc:1949</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_ac62972ff1b21a037e56530cde67309aba5d5cd46919fa987731fb2edefe0f2a0c"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#ac62972ff1b21a037e56530cde67309aba5d5cd46919fa987731fb2edefe0f2a0c">operations_research::glop::LinearProgram::VariableType::INTEGER</a></div></div>
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<div class="ttc" id="base_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006"><div class="ttname"><a href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a></div><div class="ttdeci">#define DCHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00889">base/logging.h:889</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_acd138469679be137d0de53459b1342cb"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#acd138469679be137d0de53459b1342cb">operations_research::glop::LinearProgram::variable_upper_bounds</a></div><div class="ttdeci">const DenseRow & variable_upper_bounds() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00232">lp_data.h:232</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_a4ba664b00317505a0026d2a38e6dd565"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a4ba664b00317505a0026d2a38e6dd565">operations_research::glop::LinearProgram::variable_lower_bounds</a></div><div class="ttdeci">const DenseRow & variable_lower_bounds() const</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00229">lp_data.h:229</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_a0fe7ba825c8c6cd1efdcff6dec631093"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a0fe7ba825c8c6cd1efdcff6dec631093">operations_research::glop::LinearProgram::SetVariableBounds</a></div><div class="ttdeci">void SetVariableBounds(ColIndex col, Fractional lower_bound, Fractional upper_bound)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00249">lp_data.cc:249</a></div></div>
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<div class="ttc" id="structoperations__research_1_1glop_1_1_parsed_constraint_html_a43a86e62cda1914f2e5a9dbeb4b6d075"><div class="ttname"><a href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a43a86e62cda1914f2e5a9dbeb4b6d075">operations_research::glop::ParsedConstraint::lower_bound</a></div><div class="ttdeci">Fractional lower_bound</div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8h_source.html#l00110">lp_parser.h:110</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html_ac28b7c20a0d32b46e64fbca1555c345f"><div class="ttname"><a href="namespaceoperations__research.html#ac28b7c20a0d32b46e64fbca1555c345f">operations_research::ModelProtoFromLpFormat</a></div><div class="ttdeci">absl::StatusOr< MPModelProto > ModelProtoFromLpFormat(absl::string_view model)</div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8cc_source.html#l00450">lp_parser.cc:450</a></div></div>
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<div class="ttc" id="linear__solver_8pb_8h_html"><div class="ttname"><a href="linear__solver_8pb_8h.html">linear_solver.pb.h</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_ae3201a343d8df987411b55830bff7fa3"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#ae3201a343d8df987411b55830bff7fa3">operations_research::glop::LinearProgram::SetMaximizationProblem</a></div><div class="ttdeci">void SetMaximizationProblem(bool maximize)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00343">lp_data.cc:343</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="structoperations__research_1_1glop_1_1_parsed_constraint_html_a69fffe9340f37bc1ff072b03faab932d"><div class="ttname"><a href="structoperations__research_1_1glop_1_1_parsed_constraint.html#a69fffe9340f37bc1ff072b03faab932d">operations_research::glop::ParsedConstraint::upper_bound</a></div><div class="ttdeci">Fractional upper_bound</div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8h_source.html#l00113">lp_parser.h:113</a></div></div>
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<div class="ttc" id="namespaceoperations__research_1_1glop_html_a3f17d86383ca85cb8b7aa70b3309865e"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a3f17d86383ca85cb8b7aa70b3309865e">operations_research::glop::ParseConstraint</a></div><div class="ttdeci">StatusOr< ParsedConstraint > ParseConstraint(absl::string_view constraint)</div><div class="ttdef"><b>Definition:</b> <a href="lp__parser_8cc_source.html#l00343">lp_parser.cc:343</a></div></div>
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<div class="ttc" id="classoperations__research_1_1_m_p_model_proto_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_model_proto.html">operations_research::MPModelProto</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8pb_8h_source.html#l02800">linear_solver.pb.h:2800</a></div></div>
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<div class="ttc" id="classoperations__research_1_1glop_1_1_linear_program_html_a2d695f450ae446d5d9c225b991f8d88e"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html#a2d695f450ae446d5d9c225b991f8d88e">operations_research::glop::LinearProgram::SetCoefficient</a></div><div class="ttdeci">void SetCoefficient(RowIndex row, ColIndex col, Fractional value)</div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8cc_source.html#l00317">lp_data.cc:317</a></div></div>
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<div class="ttc" id="case_8h_html"><div class="ttname"><a href="case_8h.html">case.h</a></div></div>
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<div class="ttc" id="log__severity_8h_html_ab4a2cbab234914b320b7fae11b6e8cb9"><div class="ttname"><a href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a></div><div class="ttdeci">const int INFO</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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