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<div class="headertitle"><div class="title">quadratic_program_io.cc</div></div>
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<a href="quadratic__program__io_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="quadratic__program__io_8h.html">ortools/pdlp/quadratic_program_io.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cmath></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "Eigen/Core"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "Eigen/SparseCore"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/base/casts.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "absl/strings/match.h"</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "absl/types/optional.h"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="basictypes_8h.html">ortools/base/basictypes.h</a>"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "<a class="code" href="base_2file_8h.html">ortools/base/file.h</a>"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "<a class="code" href="mathutil_8h.html">ortools/base/mathutil.h</a>"</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "<a class="code" href="base_2status__macros_8h.html">ortools/base/status_macros.h</a>"</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "ortools/linear_solver/linear_solver.pb.h"</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "<a class="code" href="model__exporter_8h.html">ortools/linear_solver/model_exporter.h</a>"</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "<a class="code" href="mps__reader_8h.html">ortools/lp_data/mps_reader.h</a>"</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "<a class="code" href="quadratic__program_8h.html">ortools/pdlp/quadratic_program.h</a>"</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include "<a class="code" href="file__util_8h.html">ortools/util/file_util.h</a>"</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research_1_1pdlp.html">operations_research::pdlp</a> {</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment">// TODO(user): Update internal helper functions to use references instead of</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment">// pointers.</span></div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span>using ::operations_research::glop::MPSReader;</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1pdlp.html#adaa09ad106bba41ecd2a700b4f2aaa4d"> 50</a></span><a class="code hl_struct" href="structoperations__research_1_1pdlp_1_1_quadratic_program.html">QuadraticProgram</a> <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#adaa09ad106bba41ecd2a700b4f2aaa4d">ReadQuadraticProgramOrDie</a>(<span class="keyword">const</span> std::string& filename,</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">bool</span> include_names) {</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">if</span> (absl::EndsWith(filename, <span class="stringliteral">".mps"</span>) || absl::EndsWith(filename, <span class="stringliteral">".mps.gz"</span>) ||</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> absl::EndsWith(filename, <span class="stringliteral">".mps.bz2"</span>)) {</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#af1899c94f685aeaef90aaa72c55187af">ReadMpsLinearProgramOrDie</a>(filename, include_names);</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> }</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">if</span> (absl::EndsWith(filename, <span class="stringliteral">".pb"</span>) ||</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> absl::EndsWith(filename, <span class="stringliteral">".textproto"</span>) ||</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> absl::EndsWith(filename, <span class="stringliteral">".json"</span>) ||</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> absl::EndsWith(filename, <span class="stringliteral">".json.gz"</span>)) {</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a8b4f8a16434fe5945c8a7e2becf5d27d">ReadMPModelProtoFileOrDie</a>(filename, include_names);</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(QFATAL) << <span class="stringliteral">"Invalid filename suffix in "</span> << filename</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> << <span class="stringliteral">". Valid suffixes are .mps, .mps.gz, .pb, .textproto,"</span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> << <span class="stringliteral">".json, and .json.gz"</span>;</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>}</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1pdlp.html#af1899c94f685aeaef90aaa72c55187af"> 67</a></span><a class="code hl_struct" href="structoperations__research_1_1pdlp_1_1_quadratic_program.html">QuadraticProgram</a> <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#af1899c94f685aeaef90aaa72c55187af">ReadMpsLinearProgramOrDie</a>(<span class="keyword">const</span> std::string& lp_file,</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordtype">bool</span> include_names) {</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> MPModelProto lp_proto;</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a>) << <span class="stringliteral">"Reading "</span> << lp_file;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <a class="code hl_define" href="base_2logging_8h.html#a91223707c1a1a44be1c1757f324eda47">QCHECK_OK</a>(MPSReader().<a class="code hl_function" href="namespaceoperations__research_1_1fz.html#aa4ede24d17a1022306de513318d00045">ParseFile</a>(lp_file, &lp_proto));</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// MPSReader sometimes fails silently if the file isn't read properly.</span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_define" href="base_2logging_8h.html#a24b595a0db6ebf69168cd820da83215b">QCHECK_GT</a>(lp_proto.variable_size(), 0)</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> << <span class="stringliteral">"No variables in LP. Error reading file? "</span> << lp_file;</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">auto</span> result = <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a007a657dbfa4e0e820e0d9af4d8d27a2">QpFromMpModelProto</a>(lp_proto, <span class="comment">/*relax_integer_variables=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> include_names);</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_define" href="base_2logging_8h.html#a91223707c1a1a44be1c1757f324eda47">QCHECK_OK</a>(result);</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> *std::move(result);</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>}</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1pdlp.html#a8b4f8a16434fe5945c8a7e2becf5d27d"> 81</a></span><a class="code hl_struct" href="structoperations__research_1_1pdlp_1_1_quadratic_program.html">QuadraticProgram</a> <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a8b4f8a16434fe5945c8a7e2becf5d27d">ReadMPModelProtoFileOrDie</a>(</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">const</span> std::string& mpmodel_proto_file, <span class="keywordtype">bool</span> include_names) {</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> MPModelProto lp_proto;</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_define" href="base_2logging_8h.html#aa2b530d7153c37f4caa70054c6452533">QCHECK</a>(<a class="code hl_function" href="namespaceoperations__research.html#ac9d6b171922e3bb93b3795f4241c70e4">ReadFileToProto</a>(mpmodel_proto_file, &lp_proto)) << mpmodel_proto_file;</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">auto</span> result = <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a007a657dbfa4e0e820e0d9af4d8d27a2">QpFromMpModelProto</a>(lp_proto, <span class="comment">/*relax_integer_variables=*/</span><span class="keyword">true</span>,</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> include_names);</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <a class="code hl_define" href="base_2logging_8h.html#a91223707c1a1a44be1c1757f324eda47">QCHECK_OK</a>(result);</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">return</span> *std::move(result);</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span>}</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1pdlp.html#a8673df5a703fd3d9a7a77094d6c45a4c"> 91</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a8673df5a703fd3d9a7a77094d6c45a4c">WriteLinearProgramToMps</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1pdlp_1_1_quadratic_program.html">QuadraticProgram</a>& linear_program,</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">const</span> std::string& mps_file) {</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a850865b3deabb2a623e130691df99f15">IsLinearProgram</a>(linear_program)) {</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> absl::InvalidArgumentError(</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="stringliteral">"'linear_program' has a quadratic objective"</span>);</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(MPModelProto <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>, <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a7f791925d78c8eb11002320336d0410d">QpToMpModelProto</a>(linear_program));</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(std::string mps_export, <a class="code hl_function" href="namespaceoperations__research.html#a8511ded0dd137bb52026b223ba0669b3">ExportModelAsMpsFormat</a>(<a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>));</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <a class="code hl_class" href="class_file.html">File</a>* <a class="code hl_namespace" href="namespacefile.html">file</a>;</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <a class="code hl_define" href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(<a class="code hl_function" href="namespacefile.html#acba1e524f6f44768144843be45405223">file::Open</a>(mps_file, <span class="stringliteral">"w"</span>, &<a class="code hl_namespace" href="namespacefile.html">file</a>, <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">auto</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = <a class="code hl_function" href="namespacefile.html#a076b0cad1794671953aa9a8b8f9cf943">file::WriteString</a>(<a class="code hl_namespace" href="namespacefile.html">file</a>, mps_export, <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>());</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>.Update(<a class="code hl_namespace" href="namespacefile.html">file</a>->Close(<a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>()));</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>;</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span>}</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1pdlp.html#a7928c325e6274218afc0bc74ec45d381"> 106</a></span>absl::Status <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a7928c325e6274218afc0bc74ec45d381">WriteQuadraticProgramToMPModelProto</a>(</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1pdlp_1_1_quadratic_program.html">QuadraticProgram</a>& quadratic_program,</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">const</span> std::string& mpmodel_proto_file) {</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <a class="code hl_define" href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a>(MPModelProto <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>, <a class="code hl_function" href="namespaceoperations__research_1_1pdlp.html#a7f791925d78c8eb11002320336d0410d">QpToMpModelProto</a>(quadratic_program));</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacefile.html#ac100e60bbcbcf6c844ed551c96207cbb">file::SetBinaryProto</a>(mpmodel_proto_file, <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>, <a class="code hl_function" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a>());</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span>}</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span>} <span class="comment">// namespace operations_research::pdlp</span></div>
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<div class="ttc" id="abase_2file_8h_html"><div class="ttname"><a href="base_2file_8h.html">file.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a24b595a0db6ebf69168cd820da83215b"><div class="ttname"><a href="base_2logging_8h.html#a24b595a0db6ebf69168cd820da83215b">QCHECK_GT</a></div><div class="ttdeci">#define QCHECK_GT</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00042">base/logging.h:42</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a91223707c1a1a44be1c1757f324eda47"><div class="ttname"><a href="base_2logging_8h.html#a91223707c1a1a44be1c1757f324eda47">QCHECK_OK</a></div><div class="ttdeci">#define QCHECK_OK</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00045">base/logging.h:45</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_aa2b530d7153c37f4caa70054c6452533"><div class="ttname"><a href="base_2logging_8h.html#aa2b530d7153c37f4caa70054c6452533">QCHECK</a></div><div class="ttdeci">#define QCHECK</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00039">base/logging.h:39</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html"><div class="ttname"><a href="base_2status__macros_8h.html">status_macros.h</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_a600de4b8f65fe0a4b1898041634f9011"><div class="ttname"><a href="base_2status__macros_8h.html#a600de4b8f65fe0a4b1898041634f9011">ASSIGN_OR_RETURN</a></div><div class="ttdeci">#define ASSIGN_OR_RETURN(lhs, rexpr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00046">base/status_macros.h:46</a></div></div>
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<div class="ttc" id="abase_2status__macros_8h_html_acdc223d8c59d5c591dc6b4e88257627b"><div class="ttname"><a href="base_2status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(expr)</div><div class="ttdef"><b>Definition:</b> <a href="base_2status__macros_8h_source.html#l00027">base/status_macros.h:27</a></div></div>
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<div class="ttc" id="abasictypes_8h_html"><div class="ttname"><a href="basictypes_8h.html">basictypes.h</a></div></div>
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<div class="ttc" id="aclass_file_html"><div class="ttname"><a href="class_file.html">File</a></div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00033">base/file.h:33</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_aed003f5eb5197bc586b7ef2c36a63da2"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a></div><div class="ttdeci">CpModelProto proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00118">cp_model_fz_solver.cc:118</a></div></div>
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<div class="ttc" id="afile__util_8h_html"><div class="ttname"><a href="file__util_8h.html">file_util.h</a></div></div>
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<div class="ttc" id="ag__gurobi_8cc_html_a2237393c7ae7ad7344c9885066d5ab6d"><div class="ttname"><a href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a></div><div class="ttdeci">absl::Status status</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00035">g_gurobi.cc:35</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_ab4a2cbab234914b320b7fae11b6e8cb9"><div class="ttname"><a href="log__severity_8h.html#ab4a2cbab234914b320b7fae11b6e8cb9">INFO</a></div><div class="ttdeci">const int INFO</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00031">log_severity.h:31</a></div></div>
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<div class="ttc" id="amathutil_8h_html"><div class="ttname"><a href="mathutil_8h.html">mathutil.h</a></div></div>
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<div class="ttc" id="amodel__exporter_8h_html"><div class="ttname"><a href="model__exporter_8h.html">model_exporter.h</a></div></div>
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<div class="ttc" id="amps__reader_8h_html"><div class="ttname"><a href="mps__reader_8h.html">mps_reader.h</a></div></div>
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<div class="ttc" id="anamespacefile_html"><div class="ttname"><a href="namespacefile.html">file</a></div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00141">base/file.cc:141</a></div></div>
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<div class="ttc" id="anamespacefile_html_a076b0cad1794671953aa9a8b8f9cf943"><div class="ttname"><a href="namespacefile.html#a076b0cad1794671953aa9a8b8f9cf943">file::WriteString</a></div><div class="ttdeci">absl::Status WriteString(File *file, const absl::string_view &contents, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00184">base/file.cc:184</a></div></div>
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<div class="ttc" id="anamespacefile_html_a1abdf766bb120d38e7a4dfa200972681"><div class="ttname"><a href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a></div><div class="ttdeci">int Defaults()</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00120">base/file.h:120</a></div></div>
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<div class="ttc" id="anamespacefile_html_ac100e60bbcbcf6c844ed551c96207cbb"><div class="ttname"><a href="namespacefile.html#ac100e60bbcbcf6c844ed551c96207cbb">file::SetBinaryProto</a></div><div class="ttdeci">absl::Status SetBinaryProto(const absl::string_view &filename, const google::protobuf::Message &proto, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00308">base/file.cc:308</a></div></div>
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<div class="ttc" id="anamespacefile_html_acba1e524f6f44768144843be45405223"><div class="ttname"><a href="namespacefile.html#acba1e524f6f44768144843be45405223">file::Open</a></div><div class="ttdeci">absl::Status Open(const absl::string_view &filename, const absl::string_view &mode, File **f, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00142">base/file.cc:142</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1fz_html_aa4ede24d17a1022306de513318d00045"><div class="ttname"><a href="namespaceoperations__research_1_1fz.html#aa4ede24d17a1022306de513318d00045">operations_research::fz::ParseFile</a></div><div class="ttdeci">void ParseFile(const std::string &filename, bool presolve)</div><div class="ttdef"><b>Definition:</b> <a href="parser__main_8cc_source.html#l00036">parser_main.cc:36</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html">operations_research::pdlp</a></div><div class="ttdef"><b>Definition:</b> <a href="iteration__stats_8cc_source.html#l00040">iteration_stats.cc:40</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_a007a657dbfa4e0e820e0d9af4d8d27a2"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#a007a657dbfa4e0e820e0d9af4d8d27a2">operations_research::pdlp::QpFromMpModelProto</a></div><div class="ttdeci">absl::StatusOr< QuadraticProgram > QpFromMpModelProto(const MPModelProto &proto, bool relax_integer_variables, bool include_names)</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program_8cc_source.html#l00094">quadratic_program.cc:94</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_a7928c325e6274218afc0bc74ec45d381"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#a7928c325e6274218afc0bc74ec45d381">operations_research::pdlp::WriteQuadraticProgramToMPModelProto</a></div><div class="ttdeci">absl::Status WriteQuadraticProgramToMPModelProto(const QuadraticProgram &quadratic_program, const std::string &mpmodel_proto_file)</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program__io_8cc_source.html#l00106">quadratic_program_io.cc:106</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_a7f791925d78c8eb11002320336d0410d"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#a7f791925d78c8eb11002320336d0410d">operations_research::pdlp::QpToMpModelProto</a></div><div class="ttdeci">absl::StatusOr< MPModelProto > QpToMpModelProto(const QuadraticProgram &qp)</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program_8cc_source.html#l00237">quadratic_program.cc:237</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_a850865b3deabb2a623e130691df99f15"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#a850865b3deabb2a623e130691df99f15">operations_research::pdlp::IsLinearProgram</a></div><div class="ttdeci">bool IsLinearProgram(const QuadraticProgram &qp)</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program_8h_source.html#l00150">quadratic_program.h:150</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_a8673df5a703fd3d9a7a77094d6c45a4c"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#a8673df5a703fd3d9a7a77094d6c45a4c">operations_research::pdlp::WriteLinearProgramToMps</a></div><div class="ttdeci">absl::Status WriteLinearProgramToMps(const QuadraticProgram &linear_program, const std::string &mps_file)</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program__io_8cc_source.html#l00091">quadratic_program_io.cc:91</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_a8b4f8a16434fe5945c8a7e2becf5d27d"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#a8b4f8a16434fe5945c8a7e2becf5d27d">operations_research::pdlp::ReadMPModelProtoFileOrDie</a></div><div class="ttdeci">QuadraticProgram ReadMPModelProtoFileOrDie(const std::string &mpmodel_proto_file, bool include_names)</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program__io_8cc_source.html#l00081">quadratic_program_io.cc:81</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_adaa09ad106bba41ecd2a700b4f2aaa4d"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#adaa09ad106bba41ecd2a700b4f2aaa4d">operations_research::pdlp::ReadQuadraticProgramOrDie</a></div><div class="ttdeci">QuadraticProgram ReadQuadraticProgramOrDie(const std::string &filename, bool include_names)</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program__io_8cc_source.html#l00050">quadratic_program_io.cc:50</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1pdlp_html_af1899c94f685aeaef90aaa72c55187af"><div class="ttname"><a href="namespaceoperations__research_1_1pdlp.html#af1899c94f685aeaef90aaa72c55187af">operations_research::pdlp::ReadMpsLinearProgramOrDie</a></div><div class="ttdeci">QuadraticProgram ReadMpsLinearProgramOrDie(const std::string &lp_file, bool include_names)</div><div class="ttdef"><b>Definition:</b> <a href="quadratic__program__io_8cc_source.html#l00067">quadratic_program_io.cc:67</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a8511ded0dd137bb52026b223ba0669b3"><div class="ttname"><a href="namespaceoperations__research.html#a8511ded0dd137bb52026b223ba0669b3">operations_research::ExportModelAsMpsFormat</a></div><div class="ttdeci">absl::StatusOr< std::string > ExportModelAsMpsFormat(const MPModelProto &model, const MPModelExportOptions &options)</div><div class="ttdoc">Outputs the current model (variables, constraints, objective) as a string encoded in MPS file format,...</div><div class="ttdef"><b>Definition:</b> <a href="model__exporter_8cc_source.html#l00230">model_exporter.cc:230</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ac9d6b171922e3bb93b3795f4241c70e4"><div class="ttname"><a href="namespaceoperations__research.html#ac9d6b171922e3bb93b3795f4241c70e4">operations_research::ReadFileToProto</a></div><div class="ttdeci">bool ReadFileToProto(absl::string_view filename, google::protobuf::Message *proto)</div><div class="ttdef"><b>Definition:</b> <a href="file__util_8cc_source.html#l00045">file_util.cc:45</a></div></div>
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<div class="ttc" id="aquadratic__program_8h_html"><div class="ttname"><a href="quadratic__program_8h.html">quadratic_program.h</a></div></div>
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