301 lines
51 KiB
HTML
301 lines
51 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: bop_fs.h 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">9.3</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('bop__fs_8h_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">bop_fs.h</div></div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="bop__fs_8h.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="preprocessor">#ifndef OR_TOOLS_BOP_BOP_FS_H_</span></div>
|
|
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#define OR_TOOLS_BOP_BOP_FS_H_</span></div>
|
|
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
|
|
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cstdint></span></div>
|
|
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <string></span></div>
|
|
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
|
|
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include "<a class="code" href="basictypes_8h.html">ortools/base/basictypes.h</a>"</span></div>
|
|
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</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="l00022" name="l00022"></a><span class="lineno"> 22</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="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="macros_8h.html">ortools/base/macros.h</a>"</span></div>
|
|
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="bop__base_8h.html">ortools/bop/bop_base.h</a>"</span></div>
|
|
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "ortools/bop/bop_parameters.pb.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="bop__solution_8h.html">ortools/bop/bop_solution.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="bop__types_8h.html">ortools/bop/bop_types.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="bop__util_8h.html">ortools/bop/bop_util.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="lp__solver_8h.html">ortools/glop/lp_solver.h</a>"</span></div>
|
|
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "ortools/sat/boolean_problem.pb.h"</span></div>
|
|
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="sat__solver_8h.html">ortools/sat/sat_solver.h</a>"</span></div>
|
|
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="time__limit_8h.html">ortools/util/time_limit.h</a>"</span></div>
|
|
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
|
|
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
|
|
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">namespace </span>bop {</div>
|
|
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
|
|
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="comment">// Tries to find a first solution using SAT and a given assignment preference.</span></div>
|
|
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="comment">// This optimizer will never run again once it has found a solution except if</span></div>
|
|
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="comment">// the policy is kNotGuided in which case it will be ran again.</span></div>
|
|
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html"> 40</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html">GuidedSatFirstSolutionGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">BopOptimizerBase</a> {</div>
|
|
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// The different guiding heuristics</span></div>
|
|
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72"> 43</a></span> <span class="keyword">enum class</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">Policy</a> {</div>
|
|
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> kNotGuided, <span class="comment">// The default SAT solver.</span></div>
|
|
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> kLpGuided, <span class="comment">// Guided by the values of the linear relaxation.</span></div>
|
|
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> kObjectiveGuided, <span class="comment">// Guided by the objective coefficient.</span></div>
|
|
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> kUserGuided, <span class="comment">// Guided by the problem assignment_preference().</span></div>
|
|
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> };</div>
|
|
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a3416483a42a835b1803abcfd570b9271">GuidedSatFirstSolutionGenerator</a>(<span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>, <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">Policy</a> policy);</div>
|
|
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a5a32089ec52d7ec29b30e1d164f21f14">~GuidedSatFirstSolutionGenerator</a>() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
|
|
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">ShouldBeRun</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state) <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
|
|
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// Note that if the last call to Optimize() returned CONTINUE and if the</span></div>
|
|
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// problem didn't change, calling this will resume the solve from its last</span></div>
|
|
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// position.</span></div>
|
|
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">Optimize</a>(<span class="keyword">const</span> BopParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
|
|
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state, <a class="code hl_struct" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info,</div>
|
|
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>) <span class="keyword">override</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"> 61</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> SynchronizeIfNeeded(</div>
|
|
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state);</div>
|
|
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
|
|
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">Policy</a> policy_;</div>
|
|
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordtype">bool</span> abort_;</div>
|
|
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> int64_t state_update_stamp_;</div>
|
|
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> std::unique_ptr<sat::SatSolver> sat_solver_;</div>
|
|
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</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">// This class implements an optimizer that tries various random search</span></div>
|
|
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="comment">// strategies, each with a really low conflict limit. It can be used to generate</span></div>
|
|
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="comment">// a first solution or to improve an existing one.</span></div>
|
|
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment">// By opposition to all the other optimizers, this one doesn't return right away</span></div>
|
|
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment">// when a new solution is found. Instead, it continues to improve it as long as</span></div>
|
|
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="comment">// it has time.</span></div>
|
|
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="comment">// TODO(user): Coupled with some Local Search it might be used to diversify</span></div>
|
|
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="comment">// the solutions. To try.</span></div>
|
|
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html"> 81</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html">BopRandomFirstSolutionGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">BopOptimizerBase</a> {</div>
|
|
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#ac557b28493a02092b6e49dd90460f252">BopRandomFirstSolutionGenerator</a>(<span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>,</div>
|
|
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">const</span> BopParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
|
|
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a>* sat_propagator,</div>
|
|
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> absl::BitGenRef random);</div>
|
|
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a9790287c83013442016e37457149fa58">~BopRandomFirstSolutionGenerator</a>() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
|
|
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">ShouldBeRun</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state) <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">Optimize</a>(<span class="keyword">const</span> BopParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
|
|
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state, <a class="code hl_struct" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info,</div>
|
|
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>) <span class="keyword">override</span>;</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="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> SynchronizeIfNeeded(</div>
|
|
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state);</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> <span class="keywordtype">int</span> random_seed_;</div>
|
|
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> absl::BitGenRef random_;</div>
|
|
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a>* sat_propagator_;</div>
|
|
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span>};</div>
|
|
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
|
|
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span><span class="comment">// This class computes the linear relaxation of the state problem.</span></div>
|
|
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><span class="comment">// Optimize() fills the relaxed values (possibly floating values) that can be</span></div>
|
|
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><span class="comment">// used by other optimizers as BopSatLpFirstSolutionGenerator for instance,</span></div>
|
|
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span><span class="comment">// and the lower bound.</span></div>
|
|
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_linear_relaxation.html"> 107</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1bop_1_1_linear_relaxation.html">LinearRelaxation</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">BopOptimizerBase</a> {</div>
|
|
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8dcd99fe18446bb871246433178a5235">LinearRelaxation</a>(<span class="keyword">const</span> BopParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a24dcbf29c0d6cd766009a182a6484e3b">name</a>);</div>
|
|
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#ab128c472edf63eacbd2712f97ec55072">~LinearRelaxation</a>() <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
|
|
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a333c05e80843ee46f4428d3e6482b17e">ShouldBeRun</a>(<span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state) <span class="keyword">const override</span>;</div>
|
|
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> <a class="code hl_function" href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8330ac820f311aab1b9c2c8057cc2c3f">Optimize</a>(<span class="keyword">const</span> BopParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
|
|
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state, <a class="code hl_struct" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info,</div>
|
|
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>) <span class="keyword">override</span>;</div>
|
|
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
|
|
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <a class="code hl_enumeration" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> SynchronizeIfNeeded(</div>
|
|
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state);</div>
|
|
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
|
|
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// Runs Glop to solve the current lp_model_.</span></div>
|
|
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="comment">// Updates the time limit and returns the status of the solve.</span></div>
|
|
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="comment">// Note that when the solve is incremental, the preprocessor is deactivated,</span></div>
|
|
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// and the dual simplex is used.</span></div>
|
|
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <a class="code hl_enumeration" href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">glop::ProblemStatus</a> Solve(<span class="keywordtype">bool</span> incremental_solve, <a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>);</div>
|
|
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
|
|
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="comment">// Computes and returns a better best bound using strong branching, i.e.</span></div>
|
|
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="comment">// doing a what-if analysis on each variable v: compute the best bound when</span></div>
|
|
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// v is assigned to true, compute the best bound when v is assigned to false,</span></div>
|
|
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="comment">// and then use those best bounds to improve the overall best bound.</span></div>
|
|
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// As a side effect, it might fix some variables.</span></div>
|
|
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordtype">double</span> ComputeLowerBoundUsingStrongBranching(<a class="code hl_struct" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info,</div>
|
|
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_class" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a>);</div>
|
|
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
|
|
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// Returns true when the cost is worse than the cost of the current solution.</span></div>
|
|
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// If they are within the given tolerance, returns false.</span></div>
|
|
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordtype">bool</span> CostIsWorseThanSolution(<span class="keywordtype">double</span> <a class="code hl_variable" href="preprocessor_8cc.html#a72ecc219428436501225dd42f67c73a9">scaled_cost</a>, <span class="keywordtype">double</span> tolerance) <span class="keyword">const</span>;</div>
|
|
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
|
|
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">const</span> BopParameters parameters_;</div>
|
|
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> int64_t state_update_stamp_;</div>
|
|
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordtype">bool</span> lp_model_loaded_;</div>
|
|
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordtype">int</span> num_full_solves_;</div>
|
|
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_class" href="classoperations__research_1_1glop_1_1_linear_program.html">glop::LinearProgram</a> lp_model_;</div>
|
|
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <a class="code hl_class" href="classoperations__research_1_1glop_1_1_l_p_solver.html">glop::LPSolver</a> lp_solver_;</div>
|
|
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">double</span> scaling_;</div>
|
|
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordtype">double</span> offset_;</div>
|
|
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordtype">int</span> num_fixed_variables_;</div>
|
|
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordtype">bool</span> problem_already_solved_;</div>
|
|
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordtype">double</span> scaled_solution_cost_;</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> </div>
|
|
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span>} <span class="comment">// namespace bop</span></div>
|
|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span>} <span class="comment">// namespace operations_research</span></div>
|
|
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_BOP_BOP_FS_H_</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="abasictypes_8h_html"><div class="ttname"><a href="basictypes_8h.html">basictypes.h</a></div></div>
|
|
<div class="ttc" id="abop__base_8h_html"><div class="ttname"><a href="bop__base_8h.html">bop_base.h</a></div></div>
|
|
<div class="ttc" id="abop__solution_8h_html"><div class="ttname"><a href="bop__solution_8h.html">bop_solution.h</a></div></div>
|
|
<div class="ttc" id="abop__types_8h_html"><div class="ttname"><a href="bop__types_8h.html">bop_types.h</a></div></div>
|
|
<div class="ttc" id="abop__util_8h_html"><div class="ttname"><a href="bop__util_8h.html">bop_util.h</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_time_limit.html">operations_research::TimeLimit</a></div><div class="ttdoc">A simple class to enforce both an elapsed time limit and a deterministic time limit in the same threa...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00106">time_limit.h:106</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">operations_research::bop::BopOptimizerBase</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00043">bop_base.h:43</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a24dcbf29c0d6cd766009a182a6484e3b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a24dcbf29c0d6cd766009a182a6484e3b">operations_research::bop::BopOptimizerBase::name</a></div><div class="ttdeci">const std::string & name() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00049">bop_base.h:49</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">operations_research::bop::BopOptimizerBase::Status</a></div><div class="ttdeci">Status</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00064">bop_base.h:64</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html">operations_research::bop::BopRandomFirstSolutionGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8h_source.html#l00081">bop_fs.h:81</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::BopRandomFirstSolutionGenerator::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00223">bop_fs.cc:223</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::BopRandomFirstSolutionGenerator::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00228">bop_fs.cc:228</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_a9790287c83013442016e37457149fa58"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#a9790287c83013442016e37457149fa58">operations_research::bop::BopRandomFirstSolutionGenerator::~BopRandomFirstSolutionGenerator</a></div><div class="ttdeci">~BopRandomFirstSolutionGenerator() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00220">bop_fs.cc:220</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_random_first_solution_generator_html_ac557b28493a02092b6e49dd90460f252"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_random_first_solution_generator.html#ac557b28493a02092b6e49dd90460f252">operations_research::bop::BopRandomFirstSolutionGenerator::BopRandomFirstSolutionGenerator</a></div><div class="ttdeci">BopRandomFirstSolutionGenerator(const std::string &name, const BopParameters &parameters, sat::SatSolver *sat_propagator, absl::BitGenRef random)</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00213">bop_fs.cc:213</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html">operations_research::bop::GuidedSatFirstSolutionGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8h_source.html#l00040">bop_fs.h:40</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::GuidedSatFirstSolutionGenerator::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00147">bop_fs.cc:147</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a3416483a42a835b1803abcfd570b9271"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a3416483a42a835b1803abcfd570b9271">operations_research::bop::GuidedSatFirstSolutionGenerator::GuidedSatFirstSolutionGenerator</a></div><div class="ttdeci">GuidedSatFirstSolutionGenerator(const std::string &name, Policy policy)</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00079">bop_fs.cc:79</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a5a32089ec52d7ec29b30e1d164f21f14"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a5a32089ec52d7ec29b30e1d164f21f14">operations_research::bop::GuidedSatFirstSolutionGenerator::~GuidedSatFirstSolutionGenerator</a></div><div class="ttdeci">~GuidedSatFirstSolutionGenerator() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00087">bop_fs.cc:87</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::GuidedSatFirstSolutionGenerator::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00160">bop_fs.cc:160</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_guided_sat_first_solution_generator_html_abb491487def337216dea442161545e72"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_guided_sat_first_solution_generator.html#abb491487def337216dea442161545e72">operations_research::bop::GuidedSatFirstSolutionGenerator::Policy</a></div><div class="ttdeci">Policy</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8h_source.html#l00043">bop_fs.h:43</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html">operations_research::bop::LinearRelaxation</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8h_source.html#l00107">bop_fs.h:107</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::LinearRelaxation::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00442">bop_fs.cc:442</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::LinearRelaxation::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00447">bop_fs.cc:447</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_a8dcd99fe18446bb871246433178a5235"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#a8dcd99fe18446bb871246433178a5235">operations_research::bop::LinearRelaxation::LinearRelaxation</a></div><div class="ttdeci">LinearRelaxation(const BopParameters &parameters, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00343">bop_fs.cc:343</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_linear_relaxation_html_ab128c472edf63eacbd2712f97ec55072"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_linear_relaxation.html#ab128c472edf63eacbd2712f97ec55072">operations_research::bop::LinearRelaxation::~LinearRelaxation</a></div><div class="ttdeci">~LinearRelaxation() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__fs_8cc_source.html#l00358">bop_fs.cc:358</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html">operations_research::bop::ProblemState</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00114">bop_base.h:114</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1glop_1_1_l_p_solver_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_l_p_solver.html">operations_research::glop::LPSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="lp__solver_8h_source.html#l00030">lp_solver.h:30</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1glop_1_1_linear_program_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_linear_program.html">operations_research::glop::LinearProgram</a></div><div class="ttdef"><b>Definition:</b> <a href="lp__data_8h_source.html#l00055">lp_data.h:55</a></div></div>
|
|
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html">operations_research::sat::SatSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00061">sat_solver.h:61</a></div></div>
|
|
<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00119">cp_model_fz_solver.cc:119</a></div></div>
|
|
<div class="ttc" id="acp__model__solver_8cc_html_aec8af5c1be4e1b6d4330e1161028de21"><div class="ttname"><a href="cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21">time_limit</a></div><div class="ttdeci">ModelSharedTimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02050">cp_model_solver.cc:2050</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="alp__solver_8h_html"><div class="ttname"><a href="lp__solver_8h.html">lp_solver.h</a></div></div>
|
|
<div class="ttc" id="amacros_8h_html"><div class="ttname"><a href="macros_8h.html">macros.h</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1glop_html_a884f3b645d22471e5ed3320e182cd493"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a884f3b645d22471e5ed3320e182cd493">operations_research::glop::ProblemStatus</a></div><div class="ttdeci">ProblemStatus</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00102">lp_types.h:102</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="apreprocessor_8cc_html_a72ecc219428436501225dd42f67c73a9"><div class="ttname"><a href="preprocessor_8cc.html#a72ecc219428436501225dd42f67c73a9">scaled_cost</a></div><div class="ttdeci">Fractional scaled_cost</div><div class="ttdef"><b>Definition:</b> <a href="preprocessor_8cc_source.html#l00470">preprocessor.cc:470</a></div></div>
|
|
<div class="ttc" id="asat__solver_8h_html"><div class="ttname"><a href="sat__solver_8h.html">sat_solver.h</a></div></div>
|
|
<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html">operations_research::bop::LearnedInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00248">bop_base.h:248</a></div></div>
|
|
<div class="ttc" id="atime__limit_8h_html"><div class="ttname"><a href="time__limit_8h.html">time_limit.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_749f8352630e023f1ab8040461e5d795.html">bop</a></li><li class="navelem"><a class="el" href="bop__fs_8h.html">bop_fs.h</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>
|