2020-09-02 09:42:51 +02:00
<!-- 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" / >
2020-10-09 12:00:09 +02:00
< meta name = "generator" content = "Doxygen 1.8.20" / >
2020-09-02 09:42:51 +02:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
< title > OR-Tools: integer_search.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
2020-11-18 14:53:30 +01:00
  < span id = "projectnumber" > 8.1< / span >
2020-09-02 09:42:51 +02:00
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2020-10-09 12:00:09 +02:00
<!-- Generated by Doxygen 1.8.20 -->
2020-09-02 09:42:51 +02:00
< script type = "text/javascript" >
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "search",false,'Search');
/* @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:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
$(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:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('integer__search_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" > integer_search.h< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
< a href = "integer__search_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2010-2018 Google LLC< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "comment" > // This file contains all the top-level logic responsible for driving the search< / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "comment" > // of a satisfiability integer problem. What decision we take next, which new< / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "comment" > // Literal associated to an IntegerLiteral we create and when we restart.< / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "comment" > // For an optimization problem, our algorithm solves a sequence of decision< / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "comment" > // problem using this file as an entry point. Note that some heuristics here< / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "comment" > // still use the objective if there is one in order to orient the search towards< / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > // good feasible solution though.< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "preprocessor" > #ifndef OR_TOOLS_SAT_INTEGER_SEARCH_H_< / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "preprocessor" > #define OR_TOOLS_SAT_INTEGER_SEARCH_H_< / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "integer_8h.html" > ortools/sat/integer.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "sat__base_8h.html" > ortools/sat/sat_base.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / 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 name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keyword" > namespace < / span > sat {< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "comment" > // This is used to hold the next decision the solver will take. It is either< / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "comment" > // a pure Boolean literal decision or correspond to an IntegerLiteral one.< / span > < / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "comment" > //< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "comment" > // At most one of the two options should be set.< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > 39< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > {< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae524bf12eec388724545b7f47e3538ef" > 40< / a > < / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae524bf12eec388724545b7f47e3538ef" > BooleanOrIntegerLiteral< / a > () {}< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a706766402ca4c78519e6c10eb76c8db3" > 41< / a > < / span >   < span class = "keyword" > explicit< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a706766402ca4c78519e6c10eb76c8db3" > BooleanOrIntegerLiteral< / a > (LiteralIndex < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > )< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   : < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > (< a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ) {}< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#afcfb0c6902e66dba068a76719658550d" > 43< / a > < / span >   < span class = "keyword" > explicit< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#afcfb0c6902e66dba068a76719658550d" > BooleanOrIntegerLiteral< / a > (< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > i_lit)< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   : < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > integer_literal< / a > (i_lit) {}< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > 46< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > HasValue< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > != < a class = "code" href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > kNoLiteralIndex< / a > ||< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > integer_literal< / a > .< a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214" > var< / a > != < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ;< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   }< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > 51< / a > < / span >   LiteralIndex < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > boolean_literal_index< / a > = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > kNoLiteralIndex< / a > ;< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > 52< / a > < / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > integer_literal< / a > = < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > ();< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   };< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "comment" > // Model struct that contains the search heuristics used to find a feasible< / span > < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "comment" > // solution to an integer problem.< / span > < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "comment" > // This is reset by ConfigureSearchHeuristics() and used by< / span > < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "comment" > // SolveIntegerProblem(), see below.< / span > < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > 60< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > SearchHeuristics< / a > {< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "comment" > // Decision and restart heuristics. The two vectors must be of the same size< / span > < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "comment" > // and restart_policies[i] will always be used in conjunction with< / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > // decision_policies[i].< / span > < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > 64< / a > < / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > decision_policies< / a > ;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > 65< / a > < / span >   std::vector< std::function< bool()> > < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > restart_policies< / a > ;< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > // Index in the vectors above that indicate the current configuration.< / span > < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > 68< / a > < / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > policy_index< / a > ;< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "comment" > // Two special decision functions that are constructed at loading time.< / span > < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "comment" > // These are used by ConfigureSearchHeuristics() to fill the policies above.< / span > < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > 72< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > fixed_search< / a > = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a3ef187fb1a44e4df4e66c2a59304000e" > 73< / a > < / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a3ef187fb1a44e4df4e66c2a59304000e" > hint_search< / a > = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   };< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > // Given a base " fixed_search" function that should mainly control in which< / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "comment" > // order integer variables are lazily instantiated (and at what value), this< / span > < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "comment" > // uses the current solver parameters to set the SearchHeuristics class in the< / span > < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "comment" > // given model.< / span > < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e" > ConfigureSearchHeuristics< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "comment" > // Callbacks that will be called when the search goes back to level 0.< / span > < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > // Callbacks should return false if the propagation fails.< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html" > 84< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html" > LevelZeroCallbackHelper< / a > {< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html#ac008fdb20ed4a9c84c490d4cbff755ac" > 85< / a > < / span >   std::vector< std::function< bool()> > < a class = "code" href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html#ac008fdb20ed4a9c84c490d4cbff755ac" > callbacks< / a > ;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   };< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > // Tries to find a feasible solution to the current model.< / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > // This function continues from the current state of the solver and loop until< / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > // all variables are instantiated (i.e. the next decision is kNoLiteralIndex) or< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "comment" > // a search limit is reached. It uses the heuristic from the SearchHeuristics< / span > < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "comment" > // class in the model to decide when to restart and what next decision to take.< / span > < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "comment" > // Each time a restart happen, this increment the policy index modulo the number< / span > < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "comment" > // of heuristics to act as a portfolio search.< / span > < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > SatSolver::Status< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8bea9a6a0de60c8fdab99ad7dfdf8498" > SolveIntegerProblem< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > // Resets the solver to the given assumptions before calling< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > // SolveIntegerProblem().< / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > SatSolver::Status< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a" > ResetAndSolveIntegerProblem< / a > (< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keyword" > const< / span > std::vector< Literal> & assumptions, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "comment" > // Only used in tests. Move to a test utility file.< / span > < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "comment" > // This configures the model SearchHeuristics with a simple default heuristic< / span > < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > // and then call ResetAndSolveIntegerProblem() without any assumptions.< / span > < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > SatSolver::Status< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a48d1aae59a778d6f39609f9add7cd0a5" > SolveIntegerProblemWithLazyEncoding< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // Returns decision corresponding to var at its lower bound.< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "comment" > // Returns an invalid literal if the variable is fixed.< / span > < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > AtMinValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > * integer_trail);< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "comment" > // If a variable appear in the objective, branch on its best objective value.< / span > < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a71fa416b44768076a0e7dd7777ab433d" > ChooseBestObjectiveValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "comment" > // Returns decision corresponding to var > = lb + max(1, (ub - lb) / 2). It also< / span > < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "comment" > // CHECKs that the variable is not fixed.< / span > < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a3f4df9da99787316bfb5029b7a6b92b7" > GreaterOrEqualToMiddleValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ,< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_integer_trail.html" > IntegerTrail< / a > * integer_trail);< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "comment" > // This method first tries var < = value. If this does not reduce the domain it< / span > < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "comment" > // tries var > = value. If that also does not reduce the domain then returns< / span > < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "comment" > // an invalid literal.< / span > < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a46cb4c07c4971a99724693260c92fd5b" > SplitAroundGivenValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , IntegerValue < a class = "code" href = "demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf" > value< / a > ,< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "comment" > // Returns decision corresponding to var < = round(lp_value). If the variable< / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "comment" > // does not appear in the LP, this method returns an invalid literal.< / span > < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#ac0774a1df651b83339b00fee0bde1cd8" > SplitAroundLpValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "comment" > // Returns decision corresponding to var < = best_solution[var]. If no solution< / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "comment" > // has been found, this method returns a literal with kNoIntegerVariable. This< / span > < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "comment" > // was suggested in paper: " Solution-Based Phase Saving for CP" (2018) by Emir< / span > < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "comment" > // Demirovic, Geoffrey Chu, and Peter J. Stuckey.< / span > < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html#a872297a32bd1f4a91bbcebd1c47b3751" > 136< / a > < / span >   < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a872297a32bd1f4a91bbcebd1c47b3751" > SplitDomainUsingBestSolutionValue< / a > (IntegerVariable < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ,< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "comment" > // Decision heuristic for SolveIntegerProblemWithLazyEncoding(). Returns a< / span > < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "comment" > // function that will return the literal corresponding to the fact that the< / span > < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "comment" > // first currently non-fixed variable value is < = its min. The function will< / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "comment" > // return kNoLiteralIndex if all the given variables are fixed.< / span > < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "comment" > // Note that this function will create the associated literal if needed.< / span > < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a0b08971dbb223f77e7fc9c41a77fdc7b" > FirstUnassignedVarAtItsMinHeuristic< / a > (< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keyword" > const< / span > std::vector< IntegerVariable> & vars, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "comment" > // Decision heuristic for SolveIntegerProblemWithLazyEncoding(). Like< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "comment" > // FirstUnassignedVarAtItsMinHeuristic() but the function will return the< / span > < / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "comment" > // literal corresponding to the fact that the currently non-assigned variable< / span > < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "comment" > // with the lowest min has a value < = this min.< / span > < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < a class = "code" href = "namespaceoperations__research_1_1sat.html#a4713f8fb7e1ccddece18a374886ad866" > UnassignedVarWithLowestMinAtItsMinHeuristic< / a > (< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < span class = "keyword" > const< / span > std::vector< IntegerVariable> & vars, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "comment" > // Set the first unassigned Literal/Variable to its value.< / span > < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "comment" > // TODO(user): This is currently quadratic as we scan all variables to find the< / span > < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "comment" > // first unassigned one. Fix. Note that this is also the case in many other< / span > < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "comment" > // heuristics and should be fixed.< / span > < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_variable.html" > 161< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_variable.html" > BooleanOrIntegerVariable< / a > {< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_variable.html#aa5d493d0ceaa64f8e71d9aa540db7d90" > 162< / a > < / span >   BooleanVariable < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_variable.html#aa5d493d0ceaa64f8e71d9aa540db7d90" > bool_var< / a > = < a class = "code" href = "namespaceoperations__research_1_1sat.html#add67896a84f6372a648154c5770a0ae0" > kNoBooleanVariable< / a > ;< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > < a class = "line" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_variable.html#ae5143331fa20cd81b3339d4279826439" > 163< / a > < / span >   IntegerVariable < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_variable.html#ae5143331fa20cd81b3339d4279826439" > int_var< / a > = < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > kNoIntegerVariable< / a > ;< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   };< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5c07862681284286ab67401730668f38" > FollowHint< / a > (< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "keyword" > const< / span > std::vector< BooleanOrIntegerVariable> & vars,< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keyword" > const< / span > std::vector< IntegerValue> & values, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "comment" > // Combines search heuristics in order: if the i-th one returns kNoLiteralIndex,< / span > < / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "comment" > // ask the (i+1)-th. If every heuristic returned kNoLiteralIndex,< / span > < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "comment" > // returns kNoLiteralIndex.< / span > < / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > SequentialSearch< / a > (< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > heuristics);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "comment" > // Changes the value of the given decision by ' var_selection_heuristic' . We try< / span > < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "comment" > // to see if the decision is " associated" with an IntegerVariable, and if it is< / span > < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "comment" > // the case, we choose the new value by the first ' value_selection_heuristics' < / span > < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "comment" > // that is applicable. If none of the heuristics are applicable then the given< / span > < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "comment" > // decision by ' var_selection_heuristic' is returned.< / span > < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#afc647a54403bf1bedce9b09841748c91" > SequentialValueSelection< / a > (< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_integer_literal.html" > IntegerLiteral< / a > (IntegerVariable)> > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   value_selection_heuristics,< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> var_selection_heuristic,< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "comment" > // Changes the value of the given decision by ' var_selection_heuristic' < / span > < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "comment" > // according to various value selection heuristics. Looks at the code to know< / span > < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "comment" > // exactly what heuristic we use.< / span > < / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a88ab44e20ce09e9942f6b8411452df27" > IntegerValueSelectionHeuristic< / a > (< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> var_selection_heuristic,< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "comment" > // Returns the BooleanOrIntegerLiteral advised by the underliying SAT solver.< / span > < / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > SatSolverHeuristic< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "comment" > // Gets the branching variable using pseudo costs and combines it with a value< / span > < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "comment" > // for branching.< / span > < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#aefab46ecc02eb059ed853ee0213be7fb" > PseudoCost< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "comment" > // Returns true if the number of variables in the linearized part represent< / span > < / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "comment" > // a large enough proportion of all the problem variables.< / span > < / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "namespaceoperations__research_1_1sat.html#aeaaccdd218e3f0aa5c218d3a0cc5c3f1" > LinearizedPartIsLarge< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "comment" > // A restart policy that restarts every k failures.< / span > < / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   std::function< bool()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a5fcdf1d56a24d096d0c381a9708d4fa9" > RestartEveryKFailures< / a > (< span class = "keywordtype" > int< / span > k, < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html" > SatSolver< / a > * solver);< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "comment" > // A restart policy that uses the underlying sat solver' s policy.< / span > < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   std::function< bool()> < a class = "code" href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > SatSolverRestartPolicy< / a > (< a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "comment" > // Concatenates each input_heuristic with a default heuristic that instantiate< / span > < / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "comment" > // all the problem' s Boolean variables, into a new vector.< / span > < / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > < a class = "code" href = "namespaceoperations__research_1_1sat.html#a7e0c6e9c16089229f5ae7a34ec631604" > CompleteHeuristics< / a > (< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keyword" > const< / span > std::vector< std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> > & < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   incomplete_heuristics,< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "keyword" > const< / span > std::function< < a class = "code" href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > BooleanOrIntegerLiteral< / a > ()> & completion_heuristic);< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < / div >
2020-12-07 17:47:46 +01:00
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "comment" > // Specialized search that will continuously probe Boolean variables and bounds< / span > < / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "comment" > // of integer variables.< / span > < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < a class = "code" href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > SatSolver::Status< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#abb234c348ddabb307c1170b3e4c7f2b9" > ContinuousProbing< / a > (< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "keyword" > const< / span > std::vector< BooleanVariable> & bool_vars,< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keyword" > const< / span > std::vector< IntegerVariable> & int_vars,< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "keyword" > const< / span > std::function< < span class = "keywordtype" > void< / span > ()> & feasible_solution_observer, < a class = "code" href = "classoperations__research_1_1sat_1_1_model.html" > Model< / a > * < a class = "code" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   } < span class = "comment" > // namespace sat< / span > < / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "preprocessor" > #endif // OR_TOOLS_SAT_INTEGER_SEARCH_H_< / span > < / div >
2020-09-02 09:42:51 +02:00
< / div > <!-- fragment --> < / div > <!-- contents -->
< / div > <!-- doc - content -->
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_level_zero_callback_helper_html_ac008fdb20ed4a9c84c490d4cbff755ac" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html#ac008fdb20ed4a9c84c490d4cbff755ac" > operations_research::sat::LevelZeroCallbackHelper::callbacks< / a > < / div > < div class = "ttdeci" > std::vector< std::function< bool()> > callbacks< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00085" > integer_search.h:85< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a3f4df9da99787316bfb5029b7a6b92b7" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a3f4df9da99787316bfb5029b7a6b92b7" > operations_research::sat::GreaterOrEqualToMiddleValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral GreaterOrEqualToMiddleValue(IntegerVariable var, IntegerTrail *integer_trail)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00059" > integer_search.cc:59< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< 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#l01858" > expr_array.cc:1858< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_sat_solver_html_a67a0db04d321a74b7e7fcfd3f1a3f70b" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_sat_solver.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > operations_research::sat::SatSolver::Status< / a > < / div > < div class = "ttdeci" > Status< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat__solver_8h_source.html#l00181" > sat_solver.h:181< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a5fcdf1d56a24d096d0c381a9708d4fa9" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a5fcdf1d56a24d096d0c381a9708d4fa9" > operations_research::sat::RestartEveryKFailures< / a > < / div > < div class = "ttdeci" > std::function< bool()> RestartEveryKFailures(int k, SatSolver *solver)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00499" > integer_search.cc:499< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_integer_trail_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_integer_trail.html" > operations_research::sat::IntegerTrail< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00533" > integer.h:533< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html" > operations_research::sat::BooleanOrIntegerLiteral< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00039" > integer_search.h:39< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a5bd8c44473618b7eafd33ba978db2f06" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a5bd8c44473618b7eafd33ba978db2f06" > operations_research::sat::kNoIntegerVariable< / a > < / div > < div class = "ttdeci" > const IntegerVariable kNoIntegerVariable(-1)< / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a71fa416b44768076a0e7dd7777ab433d" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a71fa416b44768076a0e7dd7777ab433d" > operations_research::sat::ChooseBestObjectiveValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral ChooseBestObjectiveValue(IntegerVariable var, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00047" > integer_search.cc:47< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_af2155539e87804108c670c32478e123d" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af2155539e87804108c670c32478e123d" > operations_research::sat::SearchHeuristics::policy_index< / a > < / div > < div class = "ttdeci" > int policy_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00068" > integer_search.h:68< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a2dbcb7017d468a17bdb30252af5c6c31" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a2dbcb7017d468a17bdb30252af5c6c31" > operations_research::sat::kNoLiteralIndex< / a > < / div > < div class = "ttdeci" > const LiteralIndex kNoLiteralIndex(-1)< / div > < / div >
2020-10-09 12:00:09 +02:00
< 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#l00058" > sat_solver.h:58< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_a3ef187fb1a44e4df4e66c2a59304000e" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a3ef187fb1a44e4df4e66c2a59304000e" > operations_research::sat::SearchHeuristics::hint_search< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> hint_search< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00073" > integer_search.h:73< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf" > value< / a > < / div > < div class = "ttdeci" > int64 value< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00043" > demon_profiler.cc:43< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a8bea9a6a0de60c8fdab99ad7dfdf8498" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a8bea9a6a0de60c8fdab99ad7dfdf8498" > operations_research::sat::SolveIntegerProblem< / a > < / div > < div class = "ttdeci" > SatSolver::Status SolveIntegerProblem(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00652" > integer_search.cc:652< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a5c07862681284286ab67401730668f38" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a5c07862681284286ab67401730668f38" > operations_research::sat::FollowHint< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> FollowHint(const std::vector< BooleanOrIntegerVariable > & vars, const std::vector< IntegerValue > & values, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00469" > integer_search.cc:469< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_afc647a54403bf1bedce9b09841748c91" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#afc647a54403bf1bedce9b09841748c91" > operations_research::sat::SequentialValueSelection< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> SequentialValueSelection(std::vector< std::function< IntegerLiteral(IntegerVariable)> > value_selection_heuristics, std::function< BooleanOrIntegerLiteral()> var_selection_heuristic, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00199" > integer_search.cc:199< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...< / 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 >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_a0d0b8f29f3557e2ee84f53b45d817e02" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a0d0b8f29f3557e2ee84f53b45d817e02" > operations_research::sat::SearchHeuristics::restart_policies< / a > < / div > < div class = "ttdeci" > std::vector< std::function< bool()> > restart_policies< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00065" > integer_search.h:65< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a7e0c6e9c16089229f5ae7a34ec631604" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a7e0c6e9c16089229f5ae7a34ec631604" > operations_research::sat::CompleteHeuristics< / a > < / div > < div class = "ttdeci" > std::vector< std::function< BooleanOrIntegerLiteral()> > CompleteHeuristics(const std::vector< std::function< BooleanOrIntegerLiteral()> > & incomplete_heuristics, const std::function< BooleanOrIntegerLiteral()> & completion_heuristic)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00639" > integer_search.cc:639< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "asat__solver_8h_html" > < div class = "ttname" > < a href = "sat__solver_8h.html" > sat_solver.h< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< 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#l00508" > pack.cc:508< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "asat__base_8h_html" > < div class = "ttname" > < a href = "sat__base_8h.html" > sat_base.h< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_afcfb0c6902e66dba068a76719658550d" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#afcfb0c6902e66dba068a76719658550d" > operations_research::sat::BooleanOrIntegerLiteral::BooleanOrIntegerLiteral< / a > < / div > < div class = "ttdeci" > BooleanOrIntegerLiteral(IntegerLiteral i_lit)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00043" > integer_search.h:43< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_integer_literal_html_ab6516f556b715738034b30d290c40214" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_integer_literal.html#ab6516f556b715738034b30d290c40214" > operations_research::sat::IntegerLiteral::var< / a > < / div > < div class = "ttdeci" > IntegerVariable var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00189" > integer.h:189< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a17b20b0845d9e02829d417294aded36a" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a17b20b0845d9e02829d417294aded36a" > operations_research::sat::ResetAndSolveIntegerProblem< / a > < / div > < div class = "ttdeci" > SatSolver::Status ResetAndSolveIntegerProblem(const std::vector< Literal > & assumptions, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00891" > integer_search.cc:891< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a4713f8fb7e1ccddece18a374886ad866" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a4713f8fb7e1ccddece18a374886ad866" > operations_research::sat::UnassignedVarWithLowestMinAtItsMinHeuristic< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> UnassignedVarWithLowestMinAtItsMinHeuristic(const std::vector< IntegerVariable > & vars, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00168" > integer_search.cc:168< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a88ab44e20ce09e9942f6b8411452df27" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a88ab44e20ce09e9942f6b8411452df27" > operations_research::sat::IntegerValueSelectionHeuristic< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> IntegerValueSelectionHeuristic(std::function< BooleanOrIntegerLiteral()> var_selection_heuristic, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00259" > integer_search.cc:259< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a8f18cefafff72d70f6e96ed3f2ef84aa" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a8f18cefafff72d70f6e96ed3f2ef84aa" > operations_research::sat::SatSolverHeuristic< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> SatSolverHeuristic(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00316" > integer_search.cc:316< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_a3c6f3ae96a90c7fcef34dd0f1ce0297e" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a3c6f3ae96a90c7fcef34dd0f1ce0297e" > operations_research::sat::BooleanOrIntegerLiteral::boolean_literal_index< / a > < / div > < div class = "ttdeci" > LiteralIndex boolean_literal_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00051" > integer_search.h:51< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a527a6ee26b7f573def70daf9b2a9e577" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a527a6ee26b7f573def70daf9b2a9e577" > operations_research::sat::SatSolverRestartPolicy< / a > < / div > < div class = "ttdeci" > std::function< bool()> SatSolverRestartPolicy(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00513" > integer_search.cc:513< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_variable_html_aa5d493d0ceaa64f8e71d9aa540db7d90" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_variable.html#aa5d493d0ceaa64f8e71d9aa540db7d90" > operations_research::sat::BooleanOrIntegerVariable::bool_var< / a > < / div > < div class = "ttdeci" > BooleanVariable bool_var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00162" > integer_search.h:162< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a0b08971dbb223f77e7fc9c41a77fdc7b" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a0b08971dbb223f77e7fc9c41a77fdc7b" > operations_research::sat::FirstUnassignedVarAtItsMinHeuristic< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> FirstUnassignedVarAtItsMinHeuristic(const std::vector< IntegerVariable > & vars, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00153" > integer_search.cc:153< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1sat_1_1_model_html" > < div class = "ttname" > < a href = "classoperations__research_1_1sat_1_1_model.html" > operations_research::sat::Model< / a > < / div > < div class = "ttdoc" > Class that owns everything related to a particular optimization model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sat_2model_8h_source.html#l00038" > sat/model.h:38< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_integer_literal_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_integer_literal.html" > operations_research::sat::IntegerLiteral< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer_8h_source.html#l00153" > integer.h:153< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_add67896a84f6372a648154c5770a0ae0" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#add67896a84f6372a648154c5770a0ae0" > operations_research::sat::kNoBooleanVariable< / a > < / div > < div class = "ttdeci" > const BooleanVariable kNoBooleanVariable(-1)< / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_aee356429e37f0750e38ee17ae1464a00" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#aee356429e37f0750e38ee17ae1464a00" > operations_research::sat::BooleanOrIntegerLiteral::integer_literal< / a > < / div > < div class = "ttdeci" > IntegerLiteral integer_literal< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00052" > integer_search.h:52< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_variable_html_ae5143331fa20cd81b3339d4279826439" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_variable.html#ae5143331fa20cd81b3339d4279826439" > operations_research::sat::BooleanOrIntegerVariable::int_var< / a > < / div > < div class = "ttdeci" > IntegerVariable int_var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00163" > integer_search.h:163< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a304417ca7c3964cc928b771620b2dc53" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a304417ca7c3964cc928b771620b2dc53" > operations_research::sat::AtMinValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral AtMinValue(IntegerVariable var, IntegerTrail *integer_trail)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00039" > integer_search.cc:39< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< 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#l00269" > gurobi_interface.cc:269< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html" > operations_research::sat::SearchHeuristics< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00060" > integer_search.h:60< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_abcf8d0c663710a1e395489e62de487b1" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#abcf8d0c663710a1e395489e62de487b1" > operations_research::sat::SequentialSearch< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> SequentialSearch(std::vector< std::function< BooleanOrIntegerLiteral()> > heuristics)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00188" > integer_search.cc:188< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_ae524bf12eec388724545b7f47e3538ef" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae524bf12eec388724545b7f47e3538ef" > operations_research::sat::BooleanOrIntegerLiteral::BooleanOrIntegerLiteral< / a > < / div > < div class = "ttdeci" > BooleanOrIntegerLiteral()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00040" > integer_search.h:40< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_level_zero_callback_helper_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_level_zero_callback_helper.html" > operations_research::sat::LevelZeroCallbackHelper< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00084" > integer_search.h:84< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_a706766402ca4c78519e6c10eb76c8db3" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#a706766402ca4c78519e6c10eb76c8db3" > operations_research::sat::BooleanOrIntegerLiteral::BooleanOrIntegerLiteral< / a > < / div > < div class = "ttdeci" > BooleanOrIntegerLiteral(LiteralIndex index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00041" > integer_search.h:41< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a872297a32bd1f4a91bbcebd1c47b3751" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a872297a32bd1f4a91bbcebd1c47b3751" > operations_research::sat::SplitDomainUsingBestSolutionValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral SplitDomainUsingBestSolutionValue(IntegerVariable var, Model *model)< / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_variable_html" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_variable.html" > operations_research::sat::BooleanOrIntegerVariable< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00161" > integer_search.h:161< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a46cb4c07c4971a99724693260c92fd5b" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a46cb4c07c4971a99724693260c92fd5b" > operations_research::sat::SplitAroundGivenValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral SplitAroundGivenValue(IntegerVariable var, IntegerValue value, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00070" > integer_search.cc:70< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aeaaccdd218e3f0aa5c218d3a0cc5c3f1" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aeaaccdd218e3f0aa5c218d3a0cc5c3f1" > operations_research::sat::LinearizedPartIsLarge< / a > < / div > < div class = "ttdeci" > bool LinearizedPartIsLarge(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00246" > integer_search.cc:246< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_ac0774a1df651b83339b00fee0bde1cd8" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#ac0774a1df651b83339b00fee0bde1cd8" > operations_research::sat::SplitAroundLpValue< / a > < / div > < div class = "ttdeci" > IntegerLiteral SplitAroundLpValue(IntegerVariable var, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00098" > integer_search.cc:98< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_af925e41205032e143d718455bfeede3c" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#af925e41205032e143d718455bfeede3c" > operations_research::sat::SearchHeuristics::decision_policies< / a > < / div > < div class = "ttdeci" > std::vector< std::function< BooleanOrIntegerLiteral()> > decision_policies< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00064" > integer_search.h:64< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a7ac1d9dc3254d77ade7bdbf984884b7e" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a7ac1d9dc3254d77ade7bdbf984884b7e" > operations_research::sat::ConfigureSearchHeuristics< / a > < / div > < div class = "ttdeci" > void ConfigureSearchHeuristics(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00527" > integer_search.cc:527< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_abb234c348ddabb307c1170b3e4c7f2b9" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#abb234c348ddabb307c1170b3e4c7f2b9" > operations_research::sat::ContinuousProbing< / a > < / div > < div class = "ttdeci" > SatSolver::Status ContinuousProbing(const std::vector< BooleanVariable > & bool_vars, const std::vector< IntegerVariable > & int_vars, const std::function< void()> & feasible_solution_observer, Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00926" > integer_search.cc:926< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aefab46ecc02eb059ed853ee0213be7fb" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aefab46ecc02eb059ed853ee0213be7fb" > operations_research::sat::PseudoCost< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> PseudoCost(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00329" > integer_search.cc:329< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
< div class = "ttc" id = "ainteger_8h_html" > < div class = "ttname" > < a href = "integer_8h.html" > integer.h< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a48d1aae59a778d6f39609f9add7cd0a5" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a48d1aae59a778d6f39609f9add7cd0a5" > operations_research::sat::SolveIntegerProblemWithLazyEncoding< / a > < / div > < div class = "ttdeci" > SatSolver::Status SolveIntegerProblemWithLazyEncoding(Model *model)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8cc_source.html#l00909" > integer_search.cc:909< / a > < / div > < / div >
2020-11-18 14:53:30 +01:00
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_search_heuristics_html_a984249b5c2efe8f16e6942b54be739a5" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_search_heuristics.html#a984249b5c2efe8f16e6942b54be739a5" > operations_research::sat::SearchHeuristics::fixed_search< / a > < / div > < div class = "ttdeci" > std::function< BooleanOrIntegerLiteral()> fixed_search< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00072" > integer_search.h:72< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1sat_1_1_boolean_or_integer_literal_html_ae26b73bbf70dc88433be39df364ca7c1" > < div class = "ttname" > < a href = "structoperations__research_1_1sat_1_1_boolean_or_integer_literal.html#ae26b73bbf70dc88433be39df364ca7c1" > operations_research::sat::BooleanOrIntegerLiteral::HasValue< / a > < / div > < div class = "ttdeci" > bool HasValue() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integer__search_8h_source.html#l00046" > integer_search.h:46< / a > < / div > < / div >
2020-09-02 09:42:51 +02:00
<!-- 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_dddac007a45022d9da6ea1dee012c3b9.html" > sat< / a > < / li > < li class = "navelem" > < a class = "el" href = "integer__search_8h.html" > integer_search.h< / a > < / li >
< li class = "footer" > Generated by
< a href = "http://www.doxygen.org/index.html" >
2020-10-09 12:00:09 +02:00
< img class = "footer" src = "doxygen.png" alt = "doxygen" / > < / a > 1.8.20 < / li >
2020-09-02 09:42:51 +02:00
< / ul >
< / div >
< / body >
< / html >
