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<a href="model__validator_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div><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">#ifndef OR_TOOLS_LINEAR_SOLVER_MODEL_VALIDATOR_H_</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define OR_TOOLS_LINEAR_SOLVER_MODEL_VALIDATOR_H_</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</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> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</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="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// Returns an empty std::string iff the model is valid and not trivially</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// infeasible. Otherwise, returns a description of the first error or trivial</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// infeasibility encountered.</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">//</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// NOTE(user): the code of this method (and the client code too!) is</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// considerably simplified by this std::string-based, simple API. If clients</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// require it, we could add a formal error status enum.</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> std::string <a class="code" href="namespaceoperations__research.html#a7a27bb74d09b7ba6ea0e97bb572d2755">FindErrorInMPModelProto</a>(<span class="keyword">const</span> MPModelProto& model);</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Returns an empty std::string if the solution hint given in the model is a</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// feasible solution. Otherwise, returns a description of the first reason for</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// infeasibility.</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">//</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// This function can be useful for debugging/checking that the given solution</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// hint is feasible when it is expected to be the case. The feasibility is</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// checked up to the given tolerance using the</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// ::operations_research::IsLowerWithinTolerance() function.</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> std::string <a class="code" href="namespaceoperations__research.html#ae4ee4d82cf625670cdc1f52197454654">FindFeasibilityErrorInSolutionHint</a>(<span class="keyword">const</span> MPModelProto& model,</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">double</span> tolerance);</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> } <span class="comment">// namespace operations_research</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#endif // OR_TOOLS_LINEAR_SOLVER_MODEL_VALIDATOR_H_</span></div><div class="ttc" id="namespaceoperations__research_html_ae4ee4d82cf625670cdc1f52197454654"><div class="ttname"><a href="namespaceoperations__research.html#ae4ee4d82cf625670cdc1f52197454654">operations_research::FindFeasibilityErrorInSolutionHint</a></div><div class="ttdeci">std::string FindFeasibilityErrorInSolutionHint(const MPModelProto &model, double tolerance)</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="namespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00160">linear_solver.h:160</a></div></div>
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<div class="ttc" id="namespaceoperations__research_html_a7a27bb74d09b7ba6ea0e97bb572d2755"><div class="ttname"><a href="namespaceoperations__research.html#a7a27bb74d09b7ba6ea0e97bb572d2755">operations_research::FindErrorInMPModelProto</a></div><div class="ttdeci">std::string FindErrorInMPModelProto(const MPModelProto &model)</div></div>
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