752 lines
170 KiB
HTML
752 lines
170 KiB
HTML
<!-- HTML header for doxygen 1.8.18-->
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.9.3"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>OR-Tools: cbc_interface.cc Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="navtree.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="resize.js"></script>
|
|
<script type="text/javascript" src="navtreedata.js"></script>
|
|
<script type="text/javascript" src="navtree.js"></script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
<link href="styleSheet.tmp.css" rel="stylesheet" type="text/css"/>
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectlogo"><img alt="Logo" src="orLogo.png"/></td>
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">OR-Tools
|
|
 <span id="projectnumber">9.2</span>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.9.3 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
var searchBox = new SearchBox("searchBox", "search",'Search','.html');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */
|
|
</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
|
<div id="nav-tree">
|
|
<div id="nav-tree-contents">
|
|
<div id="nav-sync" class="sync"></div>
|
|
</div>
|
|
</div>
|
|
<div id="splitbar" style="-moz-user-select:none;"
|
|
class="ui-resizable-handle">
|
|
</div>
|
|
</div>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
$(document).ready(function(){initNavTree('cbc__interface_8cc_source.html',''); initResizable(); });
|
|
/* @license-end */
|
|
</script>
|
|
<div id="doc-content">
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="headertitle"><div class="title">cbc_interface.cc</div></div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="cbc__interface_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
|
|
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
|
|
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
|
|
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
|
|
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
|
|
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
|
|
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
|
|
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
|
|
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
|
|
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
|
|
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
|
|
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
|
|
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <cstdint></span></div>
|
|
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <limits></span></div>
|
|
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <memory></span></div>
|
|
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <string></span></div>
|
|
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <utility></span></div>
|
|
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <vector></span></div>
|
|
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
|
|
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "absl/base/attributes.h"</span></div>
|
|
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "absl/status/status.h"</span></div>
|
|
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
|
|
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="commandlineflags_8h.html">ortools/base/commandlineflags.h</a>"</span></div>
|
|
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "<a class="code" href="hash_8h.html">ortools/base/hash.h</a>"</span></div>
|
|
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
|
|
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
|
|
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "<a class="code" href="timer_8h.html">ortools/base/timer.h</a>"</span></div>
|
|
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="linear__solver_8h.html">ortools/linear_solver/linear_solver.h</a>"</span></div>
|
|
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
|
|
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#if defined(USE_CBC)</span></div>
|
|
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
|
|
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#undef PACKAGE</span></div>
|
|
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#undef VERSION</span></div>
|
|
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "CbcConfig.h"</span></div>
|
|
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "CbcMessage.hpp"</span></div>
|
|
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "CbcModel.hpp"</span></div>
|
|
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "CoinModel.hpp"</span></div>
|
|
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include "OsiClpSolverInterface.hpp"</span></div>
|
|
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
|
|
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="comment">// Heuristics</span></div>
|
|
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
|
|
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
|
|
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
|
|
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html"> 47</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1_c_b_c_interface.html">CBCInterface</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a> {</div>
|
|
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// Constructor that takes a name for the underlying glpk solver.</span></div>
|
|
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#acd2cf3960653ec373e7af40efa54f549">CBCInterface</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* <span class="keyword">const</span> solver);</div>
|
|
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a643fb6e0b9e5c09e25575e7dafefda29">~CBCInterface</a>() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
|
|
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// ----- Reset -----</span></div>
|
|
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#af82f4acaed7bb39d568e689a9caa63d5">Reset</a>() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
|
|
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// Sets the optimization direction (min/max).</span></div>
|
|
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#af49d135ea40b2749802105381cf43cf4">SetOptimizationDirection</a>(<span class="keywordtype">bool</span> maximize) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
|
|
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// ----- Parameters -----</span></div>
|
|
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
|
|
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#ab8d7e663791146c192d1c4c3e40f6687"> 61</a></span> absl::Status <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#ab8d7e663791146c192d1c4c3e40f6687">SetNumThreads</a>(<span class="keywordtype">int</span> num_threads)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_define" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(num_threads, 1);</div>
|
|
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> num_threads_ = num_threads;</div>
|
|
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span> absl::OkStatus();</div>
|
|
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> }</div>
|
|
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
|
|
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// ----- Solve -----</span></div>
|
|
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// Solve the problem using the parameter values specified.</span></div>
|
|
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f">Solve</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
|
|
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// TODO(user): separate the solve from the model extraction.</span></div>
|
|
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#aeaeb5e1185332334040a56540336e6cb"> 72</a></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#aeaeb5e1185332334040a56540336e6cb">ExtractModel</a>() {}</div>
|
|
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
|
|
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// Query problem type.</span></div>
|
|
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a4138871e96e884736818baa24b937ca5"> 75</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a4138871e96e884736818baa24b937ca5">IsContinuous</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
|
|
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#ae0c104defe537af5cb4c74472bd855b3"> 76</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#ae0c104defe537af5cb4c74472bd855b3">IsLP</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
|
|
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#ae3441d342bd353e7ce0aa60662872592"> 77</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#ae3441d342bd353e7ce0aa60662872592">IsMIP</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
|
|
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
|
|
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// Modify bounds.</span></div>
|
|
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#addb54e5a4df07ffca5bcb804b92ae477">SetVariableBounds</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a9224449687a7cc715bb50c67579d6e48">SetVariableInteger</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">bool</span> integer) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a462b98e5264614683c26f693a9066a53">SetConstraintBounds</a>(<span class="keywordtype">int</span> row_index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
|
|
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="comment">// Add constraint incrementally.</span></div>
|
|
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a23ead730dda8890a7abecd327edb3a5b">AddRowConstraint</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// Add variable incrementally.</span></div>
|
|
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#acb9df3ca8afb4544653536fbf27fde55">AddVariable</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// Change a coefficient in a constraint.</span></div>
|
|
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a6ce723e5dcc45ed7debd72af8e79e5ec"> 89</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a6ce723e5dcc45ed7debd72af8e79e5ec">SetCoefficient</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> constraint,</div>
|
|
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> variable, <span class="keywordtype">double</span> new_value,</div>
|
|
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordtype">double</span> old_value)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
|
|
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div>
|
|
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="comment">// Clear a constraint from all its terms.</span></div>
|
|
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a5b39d139b35756ecf9dd15b61cd3a4e7"> 95</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a5b39d139b35756ecf9dd15b61cd3a4e7">ClearConstraint</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> constraint)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
|
|
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> }</div>
|
|
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
|
|
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// Change a coefficient in the linear objective.</span></div>
|
|
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a6a15bb1e739876b4332af0ef8fbf420b"> 100</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a6a15bb1e739876b4332af0ef8fbf420b">SetObjectiveCoefficient</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> variable,</div>
|
|
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a>)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
|
|
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> }</div>
|
|
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="comment">// Change the constant term in the linear objective.</span></div>
|
|
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a97e8091c50a3bfc2706b05806a96bdbd"> 105</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a97e8091c50a3bfc2706b05806a96bdbd">SetObjectiveOffset</a>(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>)<span class="keyword"> override </span>{ <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>; }</div>
|
|
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// Clear the objective from all its terms.</span></div>
|
|
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068"> 107</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068">ClearObjective</a>()<span class="keyword"> override </span>{ <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>; }</div>
|
|
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
|
|
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// Number of simplex iterations</span></div>
|
|
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> int64_t <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#ae6985cb017825222a1d260ce55f9c598">iterations</a>() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// Number of branch-and-bound nodes. Only available for discrete problems.</span></div>
|
|
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> int64_t <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#ad574ab34472f639e86c4b5510e58a938">nodes</a>() <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
|
|
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="comment">// Returns the basis status of a row.</span></div>
|
|
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a6f1bec23477838426baf832738e752de"> 115</a></span> <a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a6f1bec23477838426baf832738e752de">row_status</a>(<span class="keywordtype">int</span> constraint_index)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Basis status only available for continuous problems"</span>;</div>
|
|
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">MPSolver::FREE</a>;</div>
|
|
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> }</div>
|
|
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// Returns the basis status of a column.</span></div>
|
|
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#af648842d17e3301389e84dbf0cfcef18"> 120</a></span> <a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#af648842d17e3301389e84dbf0cfcef18">column_status</a>(<span class="keywordtype">int</span> variable_index)<span class="keyword"> const override </span>{</div>
|
|
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <a class="code hl_define" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code hl_variable" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"Basis status only available for continuous problems"</span>;</div>
|
|
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">MPSolver::FREE</a>;</div>
|
|
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> }</div>
|
|
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
|
|
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#acbd833d357081a9f005404f4eefde424"> 125</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#acbd833d357081a9f005404f4eefde424">ExtractNewVariables</a>()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f"> 126</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f">ExtractNewConstraints</a>()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745"> 127</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745">ExtractObjective</a>()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
|
|
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#aa70fd7de7d1b6eb48564ad89ba711cbe"> 129</a></span> std::string <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#aa70fd7de7d1b6eb48564ad89ba711cbe">SolverVersion</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"Cbc "</span> CBC_VERSION; }</div>
|
|
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
|
|
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// TODO(user): Maybe we should expose the CbcModel build from osi_</span></div>
|
|
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// instead, but a new CbcModel is built every time Solve is called,</span></div>
|
|
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// so it is not possible right now.</span></div>
|
|
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a3fb40176ccbc43c52d549364ad081f0d"> 134</a></span> <span class="keywordtype">void</span>* <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a3fb40176ccbc43c52d549364ad081f0d">underlying_solver</a>()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(&osi_); }</div>
|
|
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
|
|
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// Reset best objective bound to +/- infinity depending on the</span></div>
|
|
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// optimization direction.</span></div>
|
|
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordtype">void</span> ResetBestObjectiveBound();</div>
|
|
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
|
|
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// Set all parameters in the underlying solver.</span></div>
|
|
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordtype">void</span> SetParameters(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// Set each parameter in the underlying solver.</span></div>
|
|
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">void</span> SetRelativeMipGap(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">void</span> SetPrimalTolerance(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordtype">void</span> SetDualTolerance(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordtype">void</span> SetPresolveMode(<span class="keywordtype">int</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordtype">void</span> SetScalingMode(<span class="keywordtype">int</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordtype">void</span> SetLpAlgorithm(<span class="keywordtype">int</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> </div>
|
|
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> OsiClpSolverInterface osi_;</div>
|
|
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// TODO(user): remove and query number of iterations directly from CbcModel</span></div>
|
|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> int64_t iterations_;</div>
|
|
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> int64_t nodes_;</div>
|
|
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="comment">// Special way to handle the relative MIP gap parameter.</span></div>
|
|
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordtype">double</span> relative_mip_gap_;</div>
|
|
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">int</span> num_threads_ = 1;</div>
|
|
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>};</div>
|
|
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
|
|
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span><span class="comment">// ----- Solver -----</span></div>
|
|
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
|
|
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><span class="comment">// Creates a LP/MIP instance with the specified name and minimization objective.</span></div>
|
|
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#acd2cf3960653ec373e7af40efa54f549"> 163</a></span><a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#acd2cf3960653ec373e7af40efa54f549">CBCInterface::CBCInterface</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* <span class="keyword">const</span> solver)</div>
|
|
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> : <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>(solver),</div>
|
|
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> iterations_(0),</div>
|
|
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> nodes_(0),</div>
|
|
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> relative_mip_gap_(<a class="code hl_class" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>::kDefaultRelativeMipGap) {</div>
|
|
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> osi_.setStrParam(OsiProbName, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->name_);</div>
|
|
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> osi_.setObjSense(1);</div>
|
|
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span>}</div>
|
|
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
|
|
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a643fb6e0b9e5c09e25575e7dafefda29"> 172</a></span><a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a643fb6e0b9e5c09e25575e7dafefda29">CBCInterface::~CBCInterface</a>() {}</div>
|
|
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
|
|
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span><span class="comment">// Reset the solver.</span></div>
|
|
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#af82f4acaed7bb39d568e689a9caa63d5"> 175</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#af82f4acaed7bb39d568e689a9caa63d5">CBCInterface::Reset</a>() {</div>
|
|
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> osi_.reset();</div>
|
|
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> osi_.setObjSense(<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">maximize_</a> ? -1 : 1);</div>
|
|
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> osi_.setStrParam(OsiProbName, <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->name_);</div>
|
|
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#ab2b08a14c8c4d2242558d3fa6a436e8c">ResetExtractionInformation</a>();</div>
|
|
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span>}</div>
|
|
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
|
|
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span><span class="keywordtype">void</span> CBCInterface::ResetBestObjectiveBound() {</div>
|
|
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">maximize_</a>) {</div>
|
|
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">best_objective_bound_</a> = std::numeric_limits<double>::infinity();</div>
|
|
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">best_objective_bound_</a> = -std::numeric_limits<double>::infinity();</div>
|
|
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> }</div>
|
|
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span>}</div>
|
|
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
|
|
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#af49d135ea40b2749802105381cf43cf4"> 190</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#af49d135ea40b2749802105381cf43cf4">CBCInterface::SetOptimizationDirection</a>(<span class="keywordtype">bool</span> maximize) {</div>
|
|
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
|
|
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">MODEL_SYNCHRONIZED</a>) {</div>
|
|
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> osi_.setObjSense(maximize ? -1 : 1);</div>
|
|
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
|
|
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> }</div>
|
|
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span>}</div>
|
|
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
|
|
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span><span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span><span class="comment">// CBC adds a "dummy" variable with index 0 to represent the objective offset.</span></div>
|
|
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span><span class="keywordtype">int</span> MPSolverVarIndexToCbcVarIndex(<span class="keywordtype">int</span> var_index) { <span class="keywordflow">return</span> var_index + 1; }</div>
|
|
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span>} <span class="comment">// namespace</span></div>
|
|
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
|
|
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#addb54e5a4df07ffca5bcb804b92ae477"> 204</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#addb54e5a4df07ffca5bcb804b92ae477">CBCInterface::SetVariableBounds</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) {</div>
|
|
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
|
|
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">MODEL_SYNCHRONIZED</a>) {</div>
|
|
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> osi_.setColBounds(MPSolverVarIndexToCbcVarIndex(var_index), lb, ub);</div>
|
|
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
|
|
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> }</div>
|
|
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span>}</div>
|
|
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
|
|
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a9224449687a7cc715bb50c67579d6e48"> 213</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a9224449687a7cc715bb50c67579d6e48">CBCInterface::SetVariableInteger</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">bool</span> integer) {</div>
|
|
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
|
|
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// TODO(user) : Check if this is actually a change.</span></div>
|
|
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">MODEL_SYNCHRONIZED</a>) {</div>
|
|
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">if</span> (integer) {</div>
|
|
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> osi_.setInteger(MPSolverVarIndexToCbcVarIndex(var_index));</div>
|
|
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> osi_.setContinuous(MPSolverVarIndexToCbcVarIndex(var_index));</div>
|
|
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div>
|
|
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
|
|
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> }</div>
|
|
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span>}</div>
|
|
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
|
|
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a462b98e5264614683c26f693a9066a53"> 227</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a462b98e5264614683c26f693a9066a53">CBCInterface::SetConstraintBounds</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, <span class="keywordtype">double</span> lb, <span class="keywordtype">double</span> ub) {</div>
|
|
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">InvalidateSolutionSynchronization</a>();</div>
|
|
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">MODEL_SYNCHRONIZED</a>) {</div>
|
|
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> osi_.setRowBounds(<a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, lb, ub);</div>
|
|
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
|
|
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> }</div>
|
|
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span>}</div>
|
|
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
|
|
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a23ead730dda8890a7abecd327edb3a5b"> 236</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a23ead730dda8890a7abecd327edb3a5b">CBCInterface::AddRowConstraint</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>) {</div>
|
|
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
|
|
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span>}</div>
|
|
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
|
|
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#acb9df3ca8afb4544653536fbf27fde55"> 240</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#acb9df3ca8afb4544653536fbf27fde55">CBCInterface::AddVariable</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) {</div>
|
|
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>;</div>
|
|
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span>}</div>
|
|
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
|
|
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="comment">// Solve the LP/MIP. Returns true only if the optimal solution was revealed.</span></div>
|
|
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span><span class="comment">// Returns the status of the search.</span></div>
|
|
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f"> 246</a></span><a class="code hl_enumeration" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">MPSolver::ResultStatus</a> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f">CBCInterface::Solve</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) {</div>
|
|
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="comment">// CBC requires unique variable and constraint names. By using Lookup*, we</span></div>
|
|
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="comment">// generate variable and constraint indices and ensure the duplicate name</span></div>
|
|
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="comment">// crash will happen here with a readable error message.</span></div>
|
|
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.empty()) {</div>
|
|
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#a39f8d704429d775e3e73a53898c99712">LookupVariableOrNull</a>(<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_[0]->name());</div>
|
|
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> }</div>
|
|
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_.empty()) {</div>
|
|
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#abdb0854fa090b30b7bdad88bc610d18a">LookupConstraintOrNull</a>(<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_[0]->name());</div>
|
|
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> }</div>
|
|
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
|
|
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <a class="code hl_class" href="class_wall_timer.html">WallTimer</a> timer;</div>
|
|
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> timer.<a class="code hl_function" href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">Start</a>();</div>
|
|
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> </div>
|
|
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="comment">// Note that CBC does not provide any incrementality.</span></div>
|
|
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">if</span> (param.<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_parameters.html#aeae0a6e1e84d015690573b08d62b1395">GetIntegerParam</a>(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff">MPSolverParameters::INCREMENTALITY</a>) ==</div>
|
|
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb">MPSolverParameters::INCREMENTALITY_OFF</a>) {</div>
|
|
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#af82f4acaed7bb39d568e689a9caa63d5">Reset</a>();</div>
|
|
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> }</div>
|
|
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> </div>
|
|
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="comment">// Special case if the model is empty since CBC is not able to</span></div>
|
|
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="comment">// handle this special case by itself.</span></div>
|
|
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.empty() && <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_.empty()) {</div>
|
|
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">SOLUTION_SYNCHRONIZED</a>;</div>
|
|
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">MPSolver::OPTIMAL</a>;</div>
|
|
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#acbf17d4e66eead8e65304bbd2a64664d">Objective</a>().<a class="code hl_function" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>();</div>
|
|
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">best_objective_bound_</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#acbf17d4e66eead8e65304bbd2a64664d">Objective</a>().<a class="code hl_function" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>();</div>
|
|
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a>;</div>
|
|
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> }</div>
|
|
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> </div>
|
|
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="comment">// Finish preparing the problem.</span></div>
|
|
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// Define variables.</span></div>
|
|
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a>) {</div>
|
|
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">MUST_RELOAD</a>: {</div>
|
|
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#af82f4acaed7bb39d568e689a9caa63d5">Reset</a>();</div>
|
|
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> CoinModel build;</div>
|
|
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// Create dummy variable for objective offset.</span></div>
|
|
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> build.addColumn(0, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, 1.0, 1.0,</div>
|
|
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#acbf17d4e66eead8e65304bbd2a64664d">Objective</a>().<a class="code hl_function" href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">offset</a>(), <span class="stringliteral">"dummy"</span>, <span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keyword">const</span> <span class="keywordtype">int</span> nb_vars = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.size();</div>
|
|
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < nb_vars; ++i) {</div>
|
|
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_[i];</div>
|
|
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#aea23a93e629de1fd6eb44ee929ccc9ba">set_variable_as_extracted</a>(i, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keyword">const</span> <span class="keywordtype">double</span> obj_coeff = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#acbf17d4e66eead8e65304bbd2a64664d">Objective</a>().<a class="code hl_function" href="classoperations__research_1_1_m_p_objective.html#a356d08f701ec7c64a00c19818bb72886">GetCoefficient</a>(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->name().empty()) {</div>
|
|
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> build.addColumn(0, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->lb(), <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->ub(), obj_coeff,</div>
|
|
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keyword">nullptr</span>, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->integer());</div>
|
|
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> build.addColumn(0, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->lb(), <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->ub(), obj_coeff,</div>
|
|
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->name().c_str(), <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->integer());</div>
|
|
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> }</div>
|
|
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> }</div>
|
|
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> </div>
|
|
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="comment">// Define constraints.</span></div>
|
|
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordtype">int</span> max_row_length = 0;</div>
|
|
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_.size(); ++i) {</div>
|
|
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_[i];</div>
|
|
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a29cf940fae07f304b2ba22fbcfcefe71">set_constraint_as_extracted</a>(i, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_.size() > max_row_length) {</div>
|
|
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> max_row_length = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_.size();</div>
|
|
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> }</div>
|
|
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> }</div>
|
|
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> std::unique_ptr<int[]> indices(<span class="keyword">new</span> <span class="keywordtype">int</span>[max_row_length]);</div>
|
|
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> std::unique_ptr<double[]> coefs(<span class="keyword">new</span> <span class="keywordtype">double</span>[max_row_length]);</div>
|
|
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> </div>
|
|
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_.size(); ++i) {</div>
|
|
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_constraint.html">MPConstraint</a>* <span class="keyword">const</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->constraints_[i];</div>
|
|
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size = <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_.size();</div>
|
|
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordtype">int</span> j = 0;</div>
|
|
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->coefficients_) {</div>
|
|
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = MPSolverVarIndexToCbcVarIndex(entry.first->index());</div>
|
|
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> indices[j] = <a class="code hl_variable" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> coefs[j] = entry.second;</div>
|
|
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> j++;</div>
|
|
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> }</div>
|
|
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->name().empty()) {</div>
|
|
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> build.addRow(size, indices.get(), coefs.get(), <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->lb(), <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->ub());</div>
|
|
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> build.addRow(size, indices.get(), coefs.get(), <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->lb(), <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->ub(),</div>
|
|
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <a class="code hl_variable" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->name().c_str());</div>
|
|
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> }</div>
|
|
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> }</div>
|
|
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> osi_.loadFromCoinModel(build);</div>
|
|
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> }</div>
|
|
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">MODEL_SYNCHRONIZED</a>: {</div>
|
|
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> }</div>
|
|
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">SOLUTION_SYNCHRONIZED</a>: {</div>
|
|
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> }</div>
|
|
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
|
|
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> </div>
|
|
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// Changing optimization direction through OSI so that the model file</span></div>
|
|
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// (written through OSI) has the correct optimization duration.</span></div>
|
|
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> osi_.setObjSense(<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">maximize_</a> ? -1 : 1);</div>
|
|
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> </div>
|
|
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">MODEL_SYNCHRONIZED</a>;</div>
|
|
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << absl::StrFormat(<span class="stringliteral">"Model built in %.3f seconds."</span>, timer.<a class="code hl_function" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> </div>
|
|
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> ResetBestObjectiveBound();</div>
|
|
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> </div>
|
|
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// Solve</span></div>
|
|
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> CbcModel <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>(osi_);</div>
|
|
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> </div>
|
|
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="comment">// Set log level.</span></div>
|
|
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> CoinMessageHandler message_handler;</div>
|
|
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.passInMessageHandler(&message_handler);</div>
|
|
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">quiet_</a>) {</div>
|
|
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> message_handler.setLogLevel(0, 0); <span class="comment">// Coin messages</span></div>
|
|
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> message_handler.setLogLevel(1, 0); <span class="comment">// Clp messages</span></div>
|
|
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> message_handler.setLogLevel(2, 0); <span class="comment">// Presolve messages</span></div>
|
|
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> message_handler.setLogLevel(3, 0); <span class="comment">// Cgl messages</span></div>
|
|
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> message_handler.setLogLevel(0, 1); <span class="comment">// Coin messages</span></div>
|
|
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> message_handler.setLogLevel(1, 1); <span class="comment">// Clp messages</span></div>
|
|
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> message_handler.setLogLevel(2, 1); <span class="comment">// Presolve messages</span></div>
|
|
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> message_handler.setLogLevel(3, 1); <span class="comment">// Cgl messages</span></div>
|
|
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> }</div>
|
|
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> </div>
|
|
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="comment">// Time limit.</span></div>
|
|
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">time_limit</a>() != 0) {</div>
|
|
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"Setting time limit = "</span> << <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">time_limit</a>() << <span class="stringliteral">" ms."</span>;</div>
|
|
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.setMaximumSeconds(<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>-><a class="code hl_function" href="classoperations__research_1_1_m_p_solver.html#ad58dd106d6ce5869923cc448621066d6">time_limit_in_secs</a>());</div>
|
|
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> }</div>
|
|
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> </div>
|
|
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="comment">// And solve.</span></div>
|
|
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> timer.<a class="code hl_function" href="class_wall_timer.html#a6bdbb9a2345c126ae0d72b1e2a9a21d5">Restart</a>();</div>
|
|
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> </div>
|
|
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="comment">// Here we use the default function from the command-line CBC solver.</span></div>
|
|
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="comment">// This enables to activate all the features and get the same performance</span></div>
|
|
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="comment">// as the CBC stand-alone executable. The syntax is ugly, however.</span></div>
|
|
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> SetParameters(param);</div>
|
|
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="comment">// Always turn presolve on (it's the CBC default and it consistently</span></div>
|
|
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="comment">// improves performance).</span></div>
|
|
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.setTypePresolve(0);</div>
|
|
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="comment">// Special way to set the relative MIP gap parameter as it cannot be set</span></div>
|
|
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="comment">// through callCbc.</span></div>
|
|
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.setAllowableFractionGap(relative_mip_gap_);</div>
|
|
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> <span class="comment">// NOTE: Trailing space is required to avoid buffer overflow in cbc.</span></div>
|
|
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordtype">int</span> return_status =</div>
|
|
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> num_threads_ == 1</div>
|
|
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> ? callCbc(<span class="stringliteral">"-solve "</span>, <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>)</div>
|
|
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> : callCbc(absl::StrCat(<span class="stringliteral">"-threads "</span>, num_threads_, <span class="stringliteral">" -solve "</span>), <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kBadReturnStatus = 777;</div>
|
|
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(kBadReturnStatus, return_status); <span class="comment">// Should never happen according</span></div>
|
|
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> <span class="comment">// to the CBC source</span></div>
|
|
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> </div>
|
|
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << absl::StrFormat(<span class="stringliteral">"Solved in %.3f seconds."</span>, timer.<a class="code hl_function" href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">Get</a>());</div>
|
|
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> </div>
|
|
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="comment">// Check the status: optimal, infeasible, etc.</span></div>
|
|
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="keywordtype">int</span> tmp_status = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.status();</div>
|
|
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> </div>
|
|
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"cbc result status: "</span> << tmp_status;</div>
|
|
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="comment">/* Final status of problem</span></div>
|
|
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span><span class="comment"> (info from cbc/.../CbcSolver.cpp,</span></div>
|
|
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span><span class="comment"> See http://cs?q="cbc+status"+file:CbcSolver.cpp)</span></div>
|
|
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span><span class="comment"> Some of these can be found out by is...... functions</span></div>
|
|
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span><span class="comment"> -1 before branchAndBound</span></div>
|
|
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span><span class="comment"> 0 finished - check isProvenOptimal or isProvenInfeasible to see</span></div>
|
|
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span><span class="comment"> if solution found</span></div>
|
|
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span><span class="comment"> (or check value of best solution)</span></div>
|
|
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span><span class="comment"> 1 stopped - on maxnodes, maxsols, maxtime</span></div>
|
|
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span><span class="comment"> 2 difficulties so run was abandoned</span></div>
|
|
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span><span class="comment"> (5 event user programmed event occurred)</span></div>
|
|
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span><span class="comment"> */</span></div>
|
|
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keywordflow">switch</span> (tmp_status) {</div>
|
|
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordflow">case</span> 0:</div>
|
|
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="comment">// Order of tests counts; if model.isContinuousUnbounded() returns true,</span></div>
|
|
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="comment">// then so does model.isProvenInfeasible()!</span></div>
|
|
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.isProvenOptimal()) {</div>
|
|
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">MPSolver::OPTIMAL</a>;</div>
|
|
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.isContinuousUnbounded()) {</div>
|
|
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef">MPSolver::UNBOUNDED</a>;</div>
|
|
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.isProvenInfeasible()) {</div>
|
|
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">MPSolver::INFEASIBLE</a>;</div>
|
|
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.isAbandoned()) {</div>
|
|
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">MPSolver::ABNORMAL</a>;</div>
|
|
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">MPSolver::ABNORMAL</a>;</div>
|
|
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> }</div>
|
|
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordflow">case</span> 1:</div>
|
|
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.bestSolution() != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1">MPSolver::FEASIBLE</a>;</div>
|
|
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f">MPSolver::NOT_SOLVED</a>;</div>
|
|
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> }</div>
|
|
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">MPSolver::ABNORMAL</a>;</div>
|
|
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> }</div>
|
|
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> </div>
|
|
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">MPSolver::OPTIMAL</a> ||</div>
|
|
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a> == <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1">MPSolver::FEASIBLE</a>) {</div>
|
|
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="comment">// Get the results</span></div>
|
|
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.getObjValue();</div>
|
|
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"objective="</span> << <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">objective_value_</a>;</div>
|
|
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="keyword">const</span> <span class="keywordtype">double</span>* <span class="keyword">const</span> values = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.bestSolution();</div>
|
|
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="keywordflow">if</span> (values != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="comment">// if optimal or feasible solution is found.</span></div>
|
|
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_.size(); ++i) {</div>
|
|
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_variable.html">MPVariable</a>* <span class="keyword">const</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">solver_</a>->variables_[i];</div>
|
|
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="keyword">const</span> <span class="keywordtype">int</span> var_index = MPSolverVarIndexToCbcVarIndex(<a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->index());</div>
|
|
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="keyword">const</span> <span class="keywordtype">double</span> val = values[var_index];</div>
|
|
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->set_solution_value(val);</div>
|
|
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(3) << <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->name() << <span class="stringliteral">"="</span> << val;</div>
|
|
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> }</div>
|
|
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"No feasible solution found."</span>;</div>
|
|
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> }</div>
|
|
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> }</div>
|
|
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> </div>
|
|
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> iterations_ = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.getIterationCount();</div>
|
|
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> nodes_ = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.getNodeCount();</div>
|
|
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">best_objective_bound_</a> = <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.getBestPossibleObjValue();</div>
|
|
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) << <span class="stringliteral">"best objective bound="</span> << <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">best_objective_bound_</a>;</div>
|
|
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> </div>
|
|
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">sync_status_</a> = <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">SOLUTION_SYNCHRONIZED</a>;</div>
|
|
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> </div>
|
|
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">result_status_</a>;</div>
|
|
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span>}</div>
|
|
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> </div>
|
|
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span><span class="comment">// ------ Query statistics on the solution and the solve ------</span></div>
|
|
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> </div>
|
|
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#ae6985cb017825222a1d260ce55f9c598"> 472</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#ae6985cb017825222a1d260ce55f9c598">CBCInterface::iterations</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>()) <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#a671b20aa1d2532721b614ce2660e3872">kUnknownNumberOfNodes</a>;</div>
|
|
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="keywordflow">return</span> iterations_;</div>
|
|
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span>}</div>
|
|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> </div>
|
|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_c_b_c_interface.html#ad574ab34472f639e86c4b5510e58a938"> 477</a></span>int64_t <a class="code hl_function" href="classoperations__research_1_1_c_b_c_interface.html#ad574ab34472f639e86c4b5510e58a938">CBCInterface::nodes</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">CheckSolutionIsSynchronized</a>()) <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_interface.html#accec08e7a0a89158c5d9aa5f6b25b695">kUnknownNumberOfIterations</a>;</div>
|
|
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordflow">return</span> nodes_;</div>
|
|
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span>}</div>
|
|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> </div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span><span class="comment">// ----- Parameters -----</span></div>
|
|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> </div>
|
|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span><span class="comment">// The support for parameters in CBC is intentionally sparse. There is</span></div>
|
|
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span><span class="comment">// a memory leak in callCbc that prevents to pass parameters through</span></div>
|
|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span><span class="comment">// it, so handling parameters would require an comprehensive rewrite</span></div>
|
|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span><span class="comment">// of the code. I will improve the parameter support only if there is</span></div>
|
|
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span><span class="comment">// a relevant use case.</span></div>
|
|
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> </div>
|
|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span><span class="keywordtype">void</span> CBCInterface::SetParameters(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1_m_p_solver_parameters.html">MPSolverParameters</a>& param) {</div>
|
|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#af8505c2f03b5b90c1080452e26397275">SetCommonParameters</a>(param);</div>
|
|
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a40c40e3b24a8874fb084ad6d19893e73">SetMIPParameters</a>(param);</div>
|
|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span>}</div>
|
|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> </div>
|
|
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span><span class="keywordtype">void</span> CBCInterface::SetRelativeMipGap(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> relative_mip_gap_ = <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>;</div>
|
|
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span>}</div>
|
|
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> </div>
|
|
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span><span class="keywordtype">void</span> CBCInterface::SetPrimalTolerance(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> <span class="comment">// Skip the warning for the default value as it coincides with</span></div>
|
|
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> <span class="comment">// the default value in CBC.</span></div>
|
|
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> != <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_parameters.html#ad8ba7aa861c60e1fcd1b8b0eadcbdb7f">MPSolverParameters::kDefaultPrimalTolerance</a>) {</div>
|
|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a1951547f7333b72da9e7ed9cf61ef129">SetUnsupportedDoubleParam</a>(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a8c7c9aed0dcd36fc9a9af2fab295caf3">MPSolverParameters::PRIMAL_TOLERANCE</a>);</div>
|
|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> }</div>
|
|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span>}</div>
|
|
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> </div>
|
|
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span><span class="keywordtype">void</span> CBCInterface::SetDualTolerance(<span class="keywordtype">double</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <span class="comment">// Skip the warning for the default value as it coincides with</span></div>
|
|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <span class="comment">// the default value in CBC.</span></div>
|
|
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> != <a class="code hl_variable" href="classoperations__research_1_1_m_p_solver_parameters.html#a6a912e59104bf30bee9f5e3f35bc0281">MPSolverParameters::kDefaultDualTolerance</a>) {</div>
|
|
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#a1951547f7333b72da9e7ed9cf61ef129">SetUnsupportedDoubleParam</a>(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a184546f243ecb7d9be48659f8be82992">MPSolverParameters::DUAL_TOLERANCE</a>);</div>
|
|
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> }</div>
|
|
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span>}</div>
|
|
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> </div>
|
|
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span><span class="keywordtype">void</span> CBCInterface::SetPresolveMode(<span class="keywordtype">int</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <span class="keywordflow">switch</span> (<a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a">MPSolverParameters::PRESOLVE_ON</a>: {</div>
|
|
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <span class="comment">// CBC presolve is always on.</span></div>
|
|
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> }</div>
|
|
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#acfc10005cc5c154f193ecf163ba7a646">SetUnsupportedIntegerParam</a>(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403">MPSolverParameters::PRESOLVE</a>);</div>
|
|
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> }</div>
|
|
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> }</div>
|
|
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span>}</div>
|
|
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> </div>
|
|
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span><span class="keywordtype">void</span> CBCInterface::SetScalingMode(<span class="keywordtype">int</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#acfc10005cc5c154f193ecf163ba7a646">SetUnsupportedIntegerParam</a>(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0">MPSolverParameters::SCALING</a>);</div>
|
|
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span>}</div>
|
|
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> </div>
|
|
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span><span class="keywordtype">void</span> CBCInterface::SetLpAlgorithm(<span class="keywordtype">int</span> <a class="code hl_variable" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a>) {</div>
|
|
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> <a class="code hl_function" href="classoperations__research_1_1_m_p_solver_interface.html#acfc10005cc5c154f193ecf163ba7a646">SetUnsupportedIntegerParam</a>(<a class="code hl_enumvalue" href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b">MPSolverParameters::LP_ALGORITHM</a>);</div>
|
|
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span>}</div>
|
|
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> </div>
|
|
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a3cde3225ed4ac75f81b1ee768a41aa4b"> 535</a></span><a class="code hl_class" href="classoperations__research_1_1_m_p_solver_interface.html">MPSolverInterface</a>* <a class="code hl_function" href="namespaceoperations__research.html#a3cde3225ed4ac75f81b1ee768a41aa4b">BuildCBCInterface</a>(<a class="code hl_class" href="classoperations__research_1_1_m_p_solver.html">MPSolver</a>* <span class="keyword">const</span> solver) {</div>
|
|
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_class" href="classoperations__research_1_1_c_b_c_interface.html">CBCInterface</a>(solver);</div>
|
|
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span>}</div>
|
|
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> </div>
|
|
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span>} <span class="comment">// namespace operations_research</span></div>
|
|
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span><span class="preprocessor">#endif </span><span class="comment">// #if defined(USE_CBC)</span></div>
|
|
<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
|
|
<div class="ttc" id="abase_2logging_8h_html_a7cc25402ecd7591b4c39934dd656b1f9"><div class="ttname"><a href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a></div><div class="ttdeci">#define CHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00706">base/logging.h:706</a></div></div>
|
|
<div class="ttc" id="abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb"><div class="ttname"><a href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a></div><div class="ttdeci">#define CHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00703">base/logging.h:703</a></div></div>
|
|
<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
|
|
<div class="ttc" id="abase_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>
|
|
<div class="ttc" id="aclass_wall_timer_html"><div class="ttname"><a href="class_wall_timer.html">WallTimer</a></div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00023">timer.h:23</a></div></div>
|
|
<div class="ttc" id="aclass_wall_timer_html_a07aaf1227e4d645f15e0a964f54ef291"><div class="ttname"><a href="class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291">WallTimer::Start</a></div><div class="ttdeci">void Start()</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00031">timer.h:31</a></div></div>
|
|
<div class="ttc" id="aclass_wall_timer_html_a6bdbb9a2345c126ae0d72b1e2a9a21d5"><div class="ttname"><a href="class_wall_timer.html#a6bdbb9a2345c126ae0d72b1e2a9a21d5">WallTimer::Restart</a></div><div class="ttdeci">void Restart()</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00035">timer.h:35</a></div></div>
|
|
<div class="ttc" id="aclass_wall_timer_html_aec56fe080959ecebec3feaed9dafde84"><div class="ttname"><a href="class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84">WallTimer::Get</a></div><div class="ttdeci">double Get() const</div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00045">timer.h:45</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html">operations_research::CBCInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00047">cbc_interface.cc:47</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a23ead730dda8890a7abecd327edb3a5b"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a23ead730dda8890a7abecd327edb3a5b">operations_research::CBCInterface::AddRowConstraint</a></div><div class="ttdeci">void AddRowConstraint(MPConstraint *const ct) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00236">cbc_interface.cc:236</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a3cf2f9d593dc71ba1d2114bb70d25745"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a3cf2f9d593dc71ba1d2114bb70d25745">operations_research::CBCInterface::ExtractObjective</a></div><div class="ttdeci">void ExtractObjective() override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00127">cbc_interface.cc:127</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a3fb40176ccbc43c52d549364ad081f0d"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a3fb40176ccbc43c52d549364ad081f0d">operations_research::CBCInterface::underlying_solver</a></div><div class="ttdeci">void * underlying_solver() override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00134">cbc_interface.cc:134</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a4138871e96e884736818baa24b937ca5"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a4138871e96e884736818baa24b937ca5">operations_research::CBCInterface::IsContinuous</a></div><div class="ttdeci">bool IsContinuous() const override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00075">cbc_interface.cc:75</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a462b98e5264614683c26f693a9066a53"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a462b98e5264614683c26f693a9066a53">operations_research::CBCInterface::SetConstraintBounds</a></div><div class="ttdeci">void SetConstraintBounds(int row_index, double lb, double ub) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00227">cbc_interface.cc:227</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a4a2cd522f4d71f1bd1f50b9b013b696f"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a4a2cd522f4d71f1bd1f50b9b013b696f">operations_research::CBCInterface::Solve</a></div><div class="ttdeci">MPSolver::ResultStatus Solve(const MPSolverParameters &param) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00246">cbc_interface.cc:246</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a5b39d139b35756ecf9dd15b61cd3a4e7"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a5b39d139b35756ecf9dd15b61cd3a4e7">operations_research::CBCInterface::ClearConstraint</a></div><div class="ttdeci">void ClearConstraint(MPConstraint *const constraint) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00095">cbc_interface.cc:95</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a643fb6e0b9e5c09e25575e7dafefda29"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a643fb6e0b9e5c09e25575e7dafefda29">operations_research::CBCInterface::~CBCInterface</a></div><div class="ttdeci">~CBCInterface() override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00172">cbc_interface.cc:172</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a6a15bb1e739876b4332af0ef8fbf420b"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a6a15bb1e739876b4332af0ef8fbf420b">operations_research::CBCInterface::SetObjectiveCoefficient</a></div><div class="ttdeci">void SetObjectiveCoefficient(const MPVariable *const variable, double coefficient) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00100">cbc_interface.cc:100</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a6ce723e5dcc45ed7debd72af8e79e5ec"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a6ce723e5dcc45ed7debd72af8e79e5ec">operations_research::CBCInterface::SetCoefficient</a></div><div class="ttdeci">void SetCoefficient(MPConstraint *const constraint, const MPVariable *const variable, double new_value, double old_value) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00089">cbc_interface.cc:89</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a6f1bec23477838426baf832738e752de"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a6f1bec23477838426baf832738e752de">operations_research::CBCInterface::row_status</a></div><div class="ttdeci">MPSolver::BasisStatus row_status(int constraint_index) const override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00115">cbc_interface.cc:115</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a9224449687a7cc715bb50c67579d6e48"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a9224449687a7cc715bb50c67579d6e48">operations_research::CBCInterface::SetVariableInteger</a></div><div class="ttdeci">void SetVariableInteger(int var_index, bool integer) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00213">cbc_interface.cc:213</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a97e8091c50a3bfc2706b05806a96bdbd"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a97e8091c50a3bfc2706b05806a96bdbd">operations_research::CBCInterface::SetObjectiveOffset</a></div><div class="ttdeci">void SetObjectiveOffset(double value) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00105">cbc_interface.cc:105</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_a9dceba6f59c9e8d43dadb46cab19e14f"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#a9dceba6f59c9e8d43dadb46cab19e14f">operations_research::CBCInterface::ExtractNewConstraints</a></div><div class="ttdeci">void ExtractNewConstraints() override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00126">cbc_interface.cc:126</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_aa70fd7de7d1b6eb48564ad89ba711cbe"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#aa70fd7de7d1b6eb48564ad89ba711cbe">operations_research::CBCInterface::SolverVersion</a></div><div class="ttdeci">std::string SolverVersion() const override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00129">cbc_interface.cc:129</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_ab8d7e663791146c192d1c4c3e40f6687"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#ab8d7e663791146c192d1c4c3e40f6687">operations_research::CBCInterface::SetNumThreads</a></div><div class="ttdeci">absl::Status SetNumThreads(int num_threads) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00061">cbc_interface.cc:61</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_acb9df3ca8afb4544653536fbf27fde55"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#acb9df3ca8afb4544653536fbf27fde55">operations_research::CBCInterface::AddVariable</a></div><div class="ttdeci">void AddVariable(MPVariable *const var) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00240">cbc_interface.cc:240</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_acbd833d357081a9f005404f4eefde424"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#acbd833d357081a9f005404f4eefde424">operations_research::CBCInterface::ExtractNewVariables</a></div><div class="ttdeci">void ExtractNewVariables() override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00125">cbc_interface.cc:125</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_acd2cf3960653ec373e7af40efa54f549"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#acd2cf3960653ec373e7af40efa54f549">operations_research::CBCInterface::CBCInterface</a></div><div class="ttdeci">CBCInterface(MPSolver *const solver)</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00163">cbc_interface.cc:163</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_ad574ab34472f639e86c4b5510e58a938"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#ad574ab34472f639e86c4b5510e58a938">operations_research::CBCInterface::nodes</a></div><div class="ttdeci">int64_t nodes() const override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00477">cbc_interface.cc:477</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_addb54e5a4df07ffca5bcb804b92ae477"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#addb54e5a4df07ffca5bcb804b92ae477">operations_research::CBCInterface::SetVariableBounds</a></div><div class="ttdeci">void SetVariableBounds(int var_index, double lb, double ub) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00204">cbc_interface.cc:204</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_ae0c104defe537af5cb4c74472bd855b3"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#ae0c104defe537af5cb4c74472bd855b3">operations_research::CBCInterface::IsLP</a></div><div class="ttdeci">bool IsLP() const override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00076">cbc_interface.cc:76</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_ae3441d342bd353e7ce0aa60662872592"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#ae3441d342bd353e7ce0aa60662872592">operations_research::CBCInterface::IsMIP</a></div><div class="ttdeci">bool IsMIP() const override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00077">cbc_interface.cc:77</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_ae6985cb017825222a1d260ce55f9c598"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#ae6985cb017825222a1d260ce55f9c598">operations_research::CBCInterface::iterations</a></div><div class="ttdeci">int64_t iterations() const override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00472">cbc_interface.cc:472</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_aeaeb5e1185332334040a56540336e6cb"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#aeaeb5e1185332334040a56540336e6cb">operations_research::CBCInterface::ExtractModel</a></div><div class="ttdeci">virtual void ExtractModel()</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00072">cbc_interface.cc:72</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_af49d135ea40b2749802105381cf43cf4"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#af49d135ea40b2749802105381cf43cf4">operations_research::CBCInterface::SetOptimizationDirection</a></div><div class="ttdeci">void SetOptimizationDirection(bool maximize) override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00190">cbc_interface.cc:190</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_af648842d17e3301389e84dbf0cfcef18"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#af648842d17e3301389e84dbf0cfcef18">operations_research::CBCInterface::column_status</a></div><div class="ttdeci">MPSolver::BasisStatus column_status(int variable_index) const override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00120">cbc_interface.cc:120</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_af82f4acaed7bb39d568e689a9caa63d5"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#af82f4acaed7bb39d568e689a9caa63d5">operations_research::CBCInterface::Reset</a></div><div class="ttdeci">void Reset() override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00175">cbc_interface.cc:175</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_c_b_c_interface_html_af9cf3c86b3e07b1f6761f3d12f04b068"><div class="ttname"><a href="classoperations__research_1_1_c_b_c_interface.html#af9cf3c86b3e07b1f6761f3d12f04b068">operations_research::CBCInterface::ClearObjective</a></div><div class="ttdeci">void ClearObjective() override</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00107">cbc_interface.cc:107</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_constraint_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_constraint.html">operations_research::MPConstraint</a></div><div class="ttdoc">The class for constraints of a Mathematical Programming (MP) model.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01211">linear_solver.h:1211</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_objective_html_a356d08f701ec7c64a00c19818bb72886"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a356d08f701ec7c64a00c19818bb72886">operations_research::MPObjective::GetCoefficient</a></div><div class="ttdeci">double GetCoefficient(const MPVariable *const var) const</div><div class="ttdoc">Gets the coefficient of a given variable in the objective.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l00176">linear_solver.cc:176</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_objective_html_a96ffc785b7b2135c7980c985883ffdd3"><div class="ttname"><a href="classoperations__research_1_1_m_p_objective.html#a96ffc785b7b2135c7980c985883ffdd3">operations_research::MPObjective::offset</a></div><div class="ttdeci">double offset() const</div><div class="ttdoc">Gets the constant term in the objective.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00995">linear_solver.h:995</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html">operations_research::MPSolver</a></div><div class="ttdoc">This mathematical programming (MP) solver class is the main class though which users build and solve ...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00182">linear_solver.h:182</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a39f8d704429d775e3e73a53898c99712"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a39f8d704429d775e3e73a53898c99712">operations_research::MPSolver::LookupVariableOrNull</a></div><div class="ttdeci">MPVariable * LookupVariableOrNull(const std::string &var_name) const</div><div class="ttdoc">Looks up a variable by name, and returns nullptr if it does not exist.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l00624">linear_solver.cc:624</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d">operations_research::MPSolver::ResultStatus</a></div><div class="ttdeci">ResultStatus</div><div class="ttdoc">The status of solving the problem.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00438">linear_solver.h:438</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1">operations_research::MPSolver::FEASIBLE</a></div><div class="ttdeci">@ FEASIBLE</div><div class="ttdoc">feasible, or stopped by limit.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00442">linear_solver.h:442</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da0e6873a155f86a4695f463bf8601d05f">operations_research::MPSolver::NOT_SOLVED</a></div><div class="ttdeci">@ NOT_SOLVED</div><div class="ttdoc">not been solved yet.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00453">linear_solver.h:452</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad">operations_research::MPSolver::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div><div class="ttdoc">optimal.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00440">linear_solver.h:440</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483">operations_research::MPSolver::INFEASIBLE</a></div><div class="ttdeci">@ INFEASIBLE</div><div class="ttdoc">proven infeasible.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00444">linear_solver.h:444</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da6c65123d1b5b01632a477661055b01ef">operations_research::MPSolver::UNBOUNDED</a></div><div class="ttdeci">@ UNBOUNDED</div><div class="ttdoc">proven unbounded.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00446">linear_solver.h:446</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587dadd7ccc352d727224d39519584ed37cd7">operations_research::MPSolver::ABNORMAL</a></div><div class="ttdeci">@ ABNORMAL</div><div class="ttdoc">abnormal, i.e., error of some kind.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00448">linear_solver.h:448</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_abdb0854fa090b30b7bdad88bc610d18a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#abdb0854fa090b30b7bdad88bc610d18a">operations_research::MPSolver::LookupConstraintOrNull</a></div><div class="ttdeci">MPConstraint * LookupConstraintOrNull(const std::string &constraint_name) const</div><div class="ttdoc">Looks up a constraint by name, and returns nullptr if it does not exist.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l00633">linear_solver.cc:633</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_ac4f18824e639ecdf7304714a4450806b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ac4f18824e639ecdf7304714a4450806b">operations_research::MPSolver::time_limit</a></div><div class="ttdeci">int64_t time_limit() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00815">linear_solver.h:815</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_acbf17d4e66eead8e65304bbd2a64664d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#acbf17d4e66eead8e65304bbd2a64664d">operations_research::MPSolver::Objective</a></div><div class="ttdeci">const MPObjective & Objective() const</div><div class="ttdoc">Returns the objective object.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00427">linear_solver.h:427</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_ad58dd106d6ce5869923cc448621066d6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#ad58dd106d6ce5869923cc448621066d6">operations_research::MPSolver::time_limit_in_secs</a></div><div class="ttdeci">double time_limit_in_secs() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00825">linear_solver.h:825</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76d"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d">operations_research::MPSolver::BasisStatus</a></div><div class="ttdeci">BasisStatus</div><div class="ttdoc">Advanced usage: possible basis status values for a variable and the slack variable of a linear constr...</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00672">linear_solver.h:672</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76dacc62d1576546f3245237e1b232d838b6">operations_research::MPSolver::FREE</a></div><div class="ttdeci">@ FREE</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l00673">linear_solver.h:673</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html">operations_research::MPSolverInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01550">linear_solver.h:1550</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a1951547f7333b72da9e7ed9cf61ef129"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a1951547f7333b72da9e7ed9cf61ef129">operations_research::MPSolverInterface::SetUnsupportedDoubleParam</a></div><div class="ttdeci">void SetUnsupportedDoubleParam(MPSolverParameters::DoubleParam param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01942">linear_solver.cc:1942</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a29cf940fae07f304b2ba22fbcfcefe71"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a29cf940fae07f304b2ba22fbcfcefe71">operations_research::MPSolverInterface::set_constraint_as_extracted</a></div><div class="ttdeci">void set_constraint_as_extracted(int ct_index, bool extracted)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01703">linear_solver.h:1703</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a2ab7b415cdf146b96aa68a91870608d2"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a2ab7b415cdf146b96aa68a91870608d2">operations_research::MPSolverInterface::result_status_</a></div><div class="ttdeci">MPSolver::ResultStatus result_status_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01759">linear_solver.h:1759</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a315d9a97f1e37fd6773f8312aedc5c93"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a315d9a97f1e37fd6773f8312aedc5c93">operations_research::MPSolverInterface::InvalidateSolutionSynchronization</a></div><div class="ttdeci">void InvalidateSolutionSynchronization()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01899">linear_solver.cc:1899</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a3f09fb4ef39e8d4ab6607b61aeaa0a2b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a3f09fb4ef39e8d4ab6607b61aeaa0a2b">operations_research::MPSolverInterface::solver_</a></div><div class="ttdeci">MPSolver *const solver_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01754">linear_solver.h:1754</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a40c40e3b24a8874fb084ad6d19893e73"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a40c40e3b24a8874fb084ad6d19893e73">operations_research::MPSolverInterface::SetMIPParameters</a></div><div class="ttdeci">void SetMIPParameters(const MPSolverParameters &param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01935">linear_solver.cc:1935</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a671b20aa1d2532721b614ce2660e3872"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a671b20aa1d2532721b614ce2660e3872">operations_research::MPSolverInterface::kUnknownNumberOfNodes</a></div><div class="ttdeci">static constexpr int64_t kUnknownNumberOfNodes</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01570">linear_solver.h:1570</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a6e75ff5a6525adc2eb42552c6f475b7a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a6e75ff5a6525adc2eb42552c6f475b7a">operations_research::MPSolverInterface::best_objective_bound_</a></div><div class="ttdeci">double best_objective_bound_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01772">linear_solver.h:1772</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a8de44e2ad146c09314404500cde2f645"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a8de44e2ad146c09314404500cde2f645">operations_research::MPSolverInterface::CheckSolutionIsSynchronized</a></div><div class="ttdeci">bool CheckSolutionIsSynchronized() const</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01854">linear_solver.cc:1854</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da08f969a0303564bd857c766aeec88d2e">operations_research::MPSolverInterface::SOLUTION_SYNCHRONIZED</a></div><div class="ttdeci">@ SOLUTION_SYNCHRONIZED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01563">linear_solver.h:1562</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257da22054edb527b75998eccfbfd075dbd92">operations_research::MPSolverInterface::MODEL_SYNCHRONIZED</a></div><div class="ttdeci">@ MODEL_SYNCHRONIZED</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01559">linear_solver.h:1559</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#a98638775910339c916ce033cbe60257daa99c5e45f0517571611940811f09c744">operations_research::MPSolverInterface::MUST_RELOAD</a></div><div class="ttdeci">@ MUST_RELOAD</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01555">linear_solver.h:1555</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_aa2fedb3c02ffb092a6c19a0ee1e81a02"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aa2fedb3c02ffb092a6c19a0ee1e81a02">operations_research::MPSolverInterface::quiet_</a></div><div class="ttdeci">bool quiet_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01775">linear_solver.h:1775</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_ab2b08a14c8c4d2242558d3fa6a436e8c"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ab2b08a14c8c4d2242558d3fa6a436e8c">operations_research::MPSolverInterface::ResetExtractionInformation</a></div><div class="ttdeci">void ResetExtractionInformation()</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01846">linear_solver.cc:1846</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_accec08e7a0a89158c5d9aa5f6b25b695"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#accec08e7a0a89158c5d9aa5f6b25b695">operations_research::MPSolverInterface::kUnknownNumberOfIterations</a></div><div class="ttdeci">static constexpr int64_t kUnknownNumberOfIterations</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01567">linear_solver.h:1567</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_acfc10005cc5c154f193ecf163ba7a646"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#acfc10005cc5c154f193ecf163ba7a646">operations_research::MPSolverInterface::SetUnsupportedIntegerParam</a></div><div class="ttdeci">virtual void SetUnsupportedIntegerParam(MPSolverParameters::IntegerParam param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01946">linear_solver.cc:1946</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_ad5d09a69c6c8c8eea9311b0513628683"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#ad5d09a69c6c8c8eea9311b0513628683">operations_research::MPSolverInterface::maximize_</a></div><div class="ttdeci">bool maximize_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01761">linear_solver.h:1761</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_aea23a93e629de1fd6eb44ee929ccc9ba"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#aea23a93e629de1fd6eb44ee929ccc9ba">operations_research::MPSolverInterface::set_variable_as_extracted</a></div><div class="ttdeci">void set_variable_as_extracted(int var_index, bool extracted)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01697">linear_solver.h:1697</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_af093ce79e6a0d2e334ebe94579003de6"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af093ce79e6a0d2e334ebe94579003de6">operations_research::MPSolverInterface::objective_value_</a></div><div class="ttdeci">double objective_value_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01769">linear_solver.h:1769</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_af8505c2f03b5b90c1080452e26397275"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#af8505c2f03b5b90c1080452e26397275">operations_research::MPSolverInterface::SetCommonParameters</a></div><div class="ttdeci">void SetCommonParameters(const MPSolverParameters &param)</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l01914">linear_solver.cc:1914</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_interface_html_afbef7ee46d807e084dcf1fca7a4de2e7"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_interface.html#afbef7ee46d807e084dcf1fca7a4de2e7">operations_research::MPSolverInterface::sync_status_</a></div><div class="ttdeci">SynchronizationStatus sync_status_</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01756">linear_solver.h:1756</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html">operations_research::MPSolverParameters</a></div><div class="ttdoc">This class stores parameter settings for LP and MIP solvers.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01394">linear_solver.h:1394</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a215b66c2ff063ffbf5b538ee402304cba01f385fe2acfe85efe038aa62b31edfb">operations_research::MPSolverParameters::INCREMENTALITY_OFF</a></div><div class="ttdeci">@ INCREMENTALITY_OFF</div><div class="ttdoc">Start solve from scratch.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01445">linear_solver.h:1445</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a397e8c8da87415d5408e2dd5ec3e9932a184546f243ecb7d9be48659f8be82992"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a184546f243ecb7d9be48659f8be82992">operations_research::MPSolverParameters::DUAL_TOLERANCE</a></div><div class="ttdeci">@ DUAL_TOLERANCE</div><div class="ttdoc">Advanced usage: tolerance for dual feasibility of basic solutions.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01410">linear_solver.h:1409</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a397e8c8da87415d5408e2dd5ec3e9932a8c7c9aed0dcd36fc9a9af2fab295caf3"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a397e8c8da87415d5408e2dd5ec3e9932a8c7c9aed0dcd36fc9a9af2fab295caf3">operations_research::MPSolverParameters::PRIMAL_TOLERANCE</a></div><div class="ttdeci">@ PRIMAL_TOLERANCE</div><div class="ttdoc">Advanced usage: tolerance for primal feasibility of basic solutions.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01407">linear_solver.h:1407</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a6a912e59104bf30bee9f5e3f35bc0281"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a6a912e59104bf30bee9f5e3f35bc0281">operations_research::MPSolverParameters::kDefaultDualTolerance</a></div><div class="ttdeci">static const double kDefaultDualTolerance</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01478">linear_solver.h:1478</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a420e8170e7ec327dd847b9610fc4565b">operations_research::MPSolverParameters::LP_ALGORITHM</a></div><div class="ttdeci">@ LP_ALGORITHM</div><div class="ttdoc">Algorithm to solve linear programs.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01417">linear_solver.h:1417</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a4d52eb956c0c02b9cbc37720f27abbb0">operations_research::MPSolverParameters::SCALING</a></div><div class="ttdeci">@ SCALING</div><div class="ttdoc">Advanced usage: enable or disable matrix scaling.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01422">linear_solver.h:1421</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784a780328d13ea3b977de745d674da87403">operations_research::MPSolverParameters::PRESOLVE</a></div><div class="ttdeci">@ PRESOLVE</div><div class="ttdoc">Advanced usage: presolve mode.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01415">linear_solver.h:1415</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#a7319655592ea63d50ef2a6645e309784adabd0cf2fcb5726b7fc2aa3d54d5f3ff">operations_research::MPSolverParameters::INCREMENTALITY</a></div><div class="ttdeci">@ INCREMENTALITY</div><div class="ttdoc">Advanced usage: incrementality from one solve to the next.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01419">linear_solver.h:1419</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad01b184e1c49d8aabd15a268ff976ac8a3b48e7f264e3228b1494312657fd611a">operations_research::MPSolverParameters::PRESOLVE_ON</a></div><div class="ttdeci">@ PRESOLVE_ON</div><div class="ttdoc">Presolve is on.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01430">linear_solver.h:1429</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_ad8ba7aa861c60e1fcd1b8b0eadcbdb7f"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#ad8ba7aa861c60e1fcd1b8b0eadcbdb7f">operations_research::MPSolverParameters::kDefaultPrimalTolerance</a></div><div class="ttdeci">static const double kDefaultPrimalTolerance</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01477">linear_solver.h:1477</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_solver_parameters_html_aeae0a6e1e84d015690573b08d62b1395"><div class="ttname"><a href="classoperations__research_1_1_m_p_solver_parameters.html#aeae0a6e1e84d015690573b08d62b1395">operations_research::MPSolverParameters::GetIntegerParam</a></div><div class="ttdeci">int GetIntegerParam(MPSolverParameters::IntegerParam param) const</div><div class="ttdoc">Returns the value of an integer parameter.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8cc_source.html#l02144">linear_solver.cc:2144</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_m_p_variable_html"><div class="ttname"><a href="classoperations__research_1_1_m_p_variable.html">operations_research::MPVariable</a></div><div class="ttdoc">The class for variables of a Mathematical Programming (MP) model.</div><div class="ttdef"><b>Definition:</b> <a href="linear__solver_8h_source.html#l01086">linear_solver.h:1086</a></div></div>
|
|
<div class="ttc" id="acommandlineflags_8h_html"><div class="ttname"><a href="commandlineflags_8h.html">commandlineflags.h</a></div></div>
|
|
<div class="ttc" id="ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695"><div class="ttname"><a href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a></div><div class="ttdeci">const Constraint * ct</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
|
|
<div class="ttc" id="ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
|
|
<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
|
|
<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00274">gurobi_interface.cc:274</a></div></div>
|
|
<div class="ttc" id="ahash_8h_html"><div class="ttname"><a href="hash_8h.html">hash.h</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
|
|
<div class="ttc" id="alinear__solver_8h_html"><div class="ttname"><a href="linear__solver_8h.html">linear_solver.h</a></div><div class="ttdoc">A C++ wrapper that provides a simple and unified interface to several linear programming and mixed in...</div></div>
|
|
<div class="ttc" id="alog__severity_8h_html_acdd38e3c9f22f127d7776920e3079eda"><div class="ttname"><a href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a></div><div class="ttdeci">const int FATAL</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00032">log_severity.h:32</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_html_a3cde3225ed4ac75f81b1ee768a41aa4b"><div class="ttname"><a href="namespaceoperations__research.html#a3cde3225ed4ac75f81b1ee768a41aa4b">operations_research::BuildCBCInterface</a></div><div class="ttdeci">MPSolverInterface * BuildCBCInterface(MPSolver *const solver)</div><div class="ttdef"><b>Definition:</b> <a href="cbc__interface_8cc_source.html#l00535">cbc_interface.cc:535</a></div></div>
|
|
<div class="ttc" id="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00509">pack.cc:509</a></div></div>
|
|
<div class="ttc" id="arouting__filters_8cc_html_a8e4ee19dee0e00541dbe9bbc83d806ba"><div class="ttname"><a href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a></div><div class="ttdeci">int64_t coefficient</div><div class="ttdef"><b>Definition:</b> <a href="routing__filters_8cc_source.html#l00970">routing_filters.cc:970</a></div></div>
|
|
<div class="ttc" id="atimer_8h_html"><div class="ttname"><a href="timer_8h.html">timer.h</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
|
|
<!-- HTML footer for doxygen 1.8.18-->
|
|
<!-- start footer part -->
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_a7cc1eeded8f693d0da6c729bc88c45a.html">ortools</a></li><li class="navelem"><a class="el" href="dir_4d3a5a688e4550f3d7725aaa5ab9c27b.html">linear_solver</a></li><li class="navelem"><a class="el" href="cbc__interface_8cc.html">cbc_interface.cc</a></li>
|
|
<li class="footer">Generated by
|
|
<a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.9.3 </li>
|
|
</ul>
|
|
</div>
|
|
</body>
|
|
</html>
|