2021-09-30 01:18:45 +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" / >
2022-01-17 21:42:14 +01:00
< meta name = "generator" content = "Doxygen 1.9.3" / >
2021-09-30 01:18:45 +02:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
< title > OR-Tools: arc_flow_solver.cc Source File< / title >
< link href = "tabs.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "jquery.js" > < / script >
< script type = "text/javascript" src = "dynsections.js" > < / script >
< link href = "navtree.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "resize.js" > < / script >
< script type = "text/javascript" src = "navtreedata.js" > < / script >
< script type = "text/javascript" src = "navtree.js" > < / script >
< link href = "search/search.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "search/searchdata.js" > < / script >
< script type = "text/javascript" src = "search/search.js" > < / script >
< link href = "doxygen.css" rel = "stylesheet" type = "text/css" / >
< link href = "styleSheet.tmp.css" rel = "stylesheet" type = "text/css" / >
< / head >
< body >
< div id = "top" > <!-- do not remove this div, it is closed by doxygen! -->
< div id = "titlearea" >
< table cellspacing = "0" cellpadding = "0" >
< tbody >
< tr style = "height: 56px;" >
< td id = "projectlogo" > < img alt = "Logo" src = "orLogo.png" / > < / td >
< td id = "projectalign" style = "padding-left: 0.5em;" >
< div id = "projectname" > OR-Tools
2022-03-04 00:11:33 +01:00
  < span id = "projectnumber" > 9.3< / span >
2021-09-30 01:18:45 +02:00
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2022-01-17 21:42:14 +01:00
<!-- Generated by Doxygen 1.9.3 -->
2021-09-30 01:18:45 +02:00
< script type = "text/javascript" >
2022-01-17 21:42:14 +01:00
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699& dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search",'Search','.html');
2021-09-30 01:18:45 +02:00
/* @license-end */
< / script >
< script type = "text/javascript" src = "menudata.js" > < / script >
< script type = "text/javascript" src = "menu.js" > < / script >
< script type = "text/javascript" >
2022-01-17 21:42:14 +01:00
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699& dn=expat.txt MIT */
2021-09-30 01:18:45 +02:00
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
2022-01-17 21:42:14 +01:00
/* @license-end */
< / script >
2021-09-30 01:18:45 +02:00
< 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" >
2022-01-17 21:42:14 +01:00
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699& dn=expat.txt MIT */
$(document).ready(function(){initNavTree('arc__flow__solver_8cc_source.html',''); initResizable(); });
2021-09-30 01:18:45 +02:00
/* @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" >
2022-01-17 21:42:14 +01:00
< div class = "headertitle" > < div class = "title" > arc_flow_solver.cc< / div > < / div >
2021-09-30 01:18:45 +02:00
< / div > <!-- header -->
< div class = "contents" >
2022-01-17 21:42:14 +01:00
< a href = "arc__flow__solver_8cc.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #include " < a class = "code" href = "arc__flow__solver_8h.html" > ortools/packing/arc_flow_solver.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "preprocessor" > #include < string> < / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include " absl/container/btree_map.h" < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include " absl/flags/flag.h" < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include " < a class = "code" href = "commandlineflags_8h.html" > ortools/base/commandlineflags.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 = "base_2file_8h.html" > ortools/base/file.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 = "timer_8h.html" > ortools/base/timer.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 = "arc__flow__builder_8h.html" > ortools/packing/arc_flow_builder.h< / a > " < / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #include " ortools/packing/vector_bin_packing.pb.h" < / span > < / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > < a class = "line" href = "arc__flow__solver_8cc.html#a6339fe56643271ddfa529e262e86ee12" > 26< / a > < / span > < a class = "code hl_function" href = "arc__flow__solver_8cc.html#a6339fe56643271ddfa529e262e86ee12" > ABSL_FLAG< / a > (std::string, arc_flow_dump_model, < span class = "stringliteral" > " " < / span > ,< / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "stringliteral" > " File to store the solver specific optimization proto." < / span > );< / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "keyword" > namespace < / span > packing {< / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "keywordtype" > double< / span > ConvertVectorBinPackingProblem(< span class = "keyword" > const< / span > vbp::VectorBinPackingProblem& < a class = "code hl_function" href = "parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051" > input< / a > ,< / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > ArcFlowGraph* graph) {< / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < a class = "code hl_class" href = "class_wall_timer.html" > WallTimer< / a > timer;< / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > timer.< a class = "code hl_function" href = "class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291" > Start< / a > ();< / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_items = < a class = "code hl_function" href = "parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051" > input< / a > .item_size();< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_dims = < a class = "code hl_function" href = "parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051" > input< / a > .resource_capacity_size();< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "comment" > // Collect problem data.< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > std::vector< std::vector< int> > shapes(num_items);< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > std::vector< int> demands(num_items);< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > std::vector< int> capacities(num_dims);< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_items; ++i) {< / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > shapes[i].assign(< a class = "code hl_function" href = "parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051" > input< / a > .item(i).resource_usage().begin(),< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < a class = "code hl_function" href = "parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051" > input< / a > .item(i).resource_usage().end());< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > demands[i] = < a class = "code hl_function" href = "parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051" > input< / a > .item(i).num_copies();< / 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 > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_dims; ++i) {< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > capacities[i] = < a class = "code hl_function" href = "parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051" > input< / a > .resource_capacity(i);< / 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 > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "comment" > // Add extra dimensions to encode max_number_of_copies_per_bin.< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_items; ++i) {< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > max_copies = < a class = "code hl_function" href = "parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051" > input< / a > .item(i).max_number_of_copies_per_bin();< / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < span class = "keywordflow" > if< / span > (max_copies == 0 || max_copies > = demands[i]) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > capacities.push_back(max_copies);< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < num_items; ++j) {< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > shapes[j].push_back(i == j);< / 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 > }< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > *graph = < a class = "code hl_function" href = "namespaceoperations__research_1_1packing.html#a43c15c357e1f59a9ff10700a5ac7b63e" > BuildArcFlowGraph< / a > (capacities, shapes, demands);< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > arc_flow_time = timer.< a class = "code hl_function" href = "class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84" > Get< / a > ();< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " The arc-flow grah has " < / span > < < graph-> nodes.size() < < < span class = "stringliteral" > " nodes, and " < / span > < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < < graph-> arcs.size() < < < span class = "stringliteral" > " arcs. It was created by exploring " < / span > < / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < < graph-> num_dp_states< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < < < span class = "stringliteral" > " states in the dynamic programming phase in " < / span > < < arc_flow_time< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < < < span class = "stringliteral" > " s" < / span > ;< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "keywordflow" > return< / span > arc_flow_time;< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > }< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1packing.html#a36688ca99be485c512316b4d27ccd409" > 75< / a > < / span > vbp::VectorBinPackingSolution < a class = "code hl_function" href = "namespaceoperations__research_1_1packing.html#a36688ca99be485c512316b4d27ccd409" > SolveVectorBinPackingWithArcFlow< / a > (< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > < span class = "keyword" > const< / span > vbp::VectorBinPackingProblem& problem,< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < a class = "code hl_enumeration" href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > MPSolver::OptimizationProblemType< / a > solver_type,< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < span class = "keyword" > const< / span > std::string& mip_params, < span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21" > time_limit< / a > , < span class = "keywordtype" > int< / span > num_threads,< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < span class = "keywordtype" > int< / span > max_bins) {< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < a class = "code hl_struct" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html" > ArcFlowGraph< / a > graph;< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > arc_flow_time = ConvertVectorBinPackingProblem(problem, & graph);< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "keywordtype" > int< / span > max_num_bins = 0;< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < span class = "keywordflow" > if< / span > (max_bins > 0) {< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > max_num_bins = max_bins;< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > } < span class = "keywordflow" > else< / span > {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & item : problem.item()) {< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > max_num_bins += item.num_copies();< / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > }< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > }< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_types = problem.item_size();< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > std::vector< std::vector< MPVariable*> > incoming_vars(graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#a405100e4926c5c9e6f758d909ce466d6" > nodes< / a > .size());< / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > std::vector< std::vector< MPVariable*> > outgoing_vars(graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#a405100e4926c5c9e6f758d909ce466d6" > nodes< / a > .size());< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > std::vector< MPVariable*> arc_to_var(graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#ab3158b0035dffc988c5c8051c97fb37a" > arcs< / a > .size());< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > std::vector< std::vector< MPVariable*> > item_to_vars(num_types);< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < a class = "code hl_class" href = "classoperations__research_1_1_m_p_solver.html" > MPSolver< / a > solver(< span class = "stringliteral" > " VectorBinPacking" < / span > , solver_type);< / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d" > CHECK_OK< / a > (solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#a849bf49baad56df58c018e8ab09456fb" > SetNumThreads< / a > (num_threads));< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > v = 0; v < graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#ab3158b0035dffc988c5c8051c97fb37a" > arcs< / a > .size(); ++v) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "keyword" > const< / span > < a class = "code hl_struct" href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html" > ArcFlowGraph::Arc< / a > & < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > = graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#ab3158b0035dffc988c5c8051c97fb37a" > arcs< / a > [v];< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < a class = "code hl_class" href = "classoperations__research_1_1_m_p_variable.html" > MPVariable< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > =< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#aca3c14720aba5677f473458f706903a7" > MakeIntVar< / a > (0, max_num_bins, absl::StrCat(< span class = "stringliteral" > " a" < / span > , v));< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > incoming_vars[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .destination].push_back(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > outgoing_vars[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .source].push_back(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .item_index != -1) {< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > item_to_vars[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .item_index].push_back(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > }< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > arc_to_var[v] = < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > ;< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / 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 = "comment" > // Per item demand constraint.< / span > < / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_types; ++i) {< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < a class = "code hl_class" href = "classoperations__research_1_1_m_p_constraint.html" > MPConstraint< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#a43d6ca2f978ca6f622a16117166ff69a" > MakeRowConstraint< / a > (< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > problem.item(i).num_copies(), problem.item(i).num_copies());< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < span class = "keywordflow" > for< / span > (< a class = "code hl_class" href = "classoperations__research_1_1_m_p_variable.html" > MPVariable< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > : item_to_vars[i]) {< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> SetCoefficient(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , 1.0);< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > }< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > }< / 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" > // Flow conservation.< / span > < / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > n = 1; n < graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#a405100e4926c5c9e6f758d909ce466d6" > nodes< / a > .size() - 1; ++n) { < span class = "comment" > // Ignore source and sink.< / span > < / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < a class = "code hl_class" href = "classoperations__research_1_1_m_p_constraint.html" > MPConstraint< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#a43d6ca2f978ca6f622a16117166ff69a" > MakeRowConstraint< / a > (0.0, 0.0);< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "keywordflow" > for< / span > (< a class = "code hl_class" href = "classoperations__research_1_1_m_p_variable.html" > MPVariable< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > : incoming_vars[n]) {< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> SetCoefficient(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , 1.0);< / 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 = "keywordflow" > for< / span > (< a class = "code hl_class" href = "classoperations__research_1_1_m_p_variable.html" > MPVariable< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > : outgoing_vars[n]) {< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> SetCoefficient(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , -1.0);< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > }< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > }< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > < / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < a class = "code hl_class" href = "classoperations__research_1_1_m_p_variable.html" > MPVariable< / a > * < span class = "keyword" > const< / span > obj_var = solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#aca3c14720aba5677f473458f706903a7" > MakeIntVar< / a > (0, max_num_bins, < span class = "stringliteral" > " obj_var" < / span > );< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > { < span class = "comment" > // Source.< / span > < / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < a class = "code hl_class" href = "classoperations__research_1_1_m_p_constraint.html" > MPConstraint< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#a43d6ca2f978ca6f622a16117166ff69a" > MakeRowConstraint< / a > (0.0, 0.0);< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < span class = "keywordflow" > for< / span > (< a class = "code hl_class" href = "classoperations__research_1_1_m_p_variable.html" > MPVariable< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > : outgoing_vars[< span class = "comment" > /*source*/< / span > 0]) {< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> SetCoefficient(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , 1.0);< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > }< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> SetCoefficient(obj_var, -1.0);< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > }< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > { < span class = "comment" > // Sink.< / span > < / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < a class = "code hl_class" href = "classoperations__research_1_1_m_p_constraint.html" > MPConstraint< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#a43d6ca2f978ca6f622a16117166ff69a" > MakeRowConstraint< / a > (0.0, 0.0);< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > sink_node = graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#a405100e4926c5c9e6f758d909ce466d6" > nodes< / a > .size() - 1;< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < span class = "keywordflow" > for< / span > (< a class = "code hl_class" href = "classoperations__research_1_1_m_p_variable.html" > MPVariable< / a > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > : incoming_vars[sink_node]) {< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> SetCoefficient(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , 1.0);< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > }< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> SetCoefficient(obj_var, -1.0);< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > }< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < a class = "code hl_class" href = "classoperations__research_1_1_m_p_objective.html" > MPObjective< / a > * < span class = "keyword" > const< / span > objective = solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#aede63007883156c3cd3cc336096f0305" > MutableObjective< / a > ();< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > objective-> < a class = "code hl_function" href = "classoperations__research_1_1_m_p_objective.html#a2def997791a2a5119c3502aa68c34181" > SetCoefficient< / a > (obj_var, 1.0);< / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > < span class = "keywordflow" > if< / span > (!absl::GetFlag(FLAGS_arc_flow_dump_model).empty()) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > MPModelProto output_model;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#a880227c1bbe5a1a2a21796a947804615" > ExportModelToProto< / a > (& output_model);< / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d" > CHECK_OK< / a > (< a class = "code hl_function" href = "namespacefile.html#a9af024752012188b3269e30b0d9021c4" > file::SetTextProto< / a > (absl::GetFlag(FLAGS_arc_flow_dump_model),< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > output_model, < a class = "code hl_function" href = "namespacefile.html#a1abdf766bb120d38e7a4dfa200972681" > file::Defaults< / a > ()));< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > }< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > < / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#ad79f6dc56d90d220de25c15f367b888f" > EnableOutput< / a > ();< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#a77083241e8bdb93b619c7b9feaf82dec" > SetSolverSpecificParametersAsString< / a > (mip_params);< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#aff1d83614c47aa9934d4f9312e6056d4" > SetTimeLimit< / a > (absl::Seconds(< a class = "code hl_variable" href = "cp__model__solver_8cc.html#aec8af5c1be4e1b6d4330e1161028de21" > time_limit< / a > ));< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > < span class = "keyword" > const< / span > < a class = "code hl_enumeration" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d" > MPSolver::ResultStatus< / a > result_status = solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#acede9075c58cb2f506c99a9fe6f20303" > Solve< / a > ();< / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > vbp::VectorBinPackingSolution solution;< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > solution.set_solve_time_in_seconds(solver.< a class = "code hl_function" href = "classoperations__research_1_1_m_p_solver.html#a6129ea627a9a40fc21ddc24914cc6958" > wall_time< / a > () / 1000.0);< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > solution.set_arc_flow_time_in_seconds(arc_flow_time);< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < span class = "comment" > // Check that the problem has an optimal solution.< / span > < / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < span class = "keywordflow" > if< / span > (result_status == < a class = "code hl_enumvalue" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad" > MPSolver::OPTIMAL< / a > ) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > solution.set_status(vbp::OPTIMAL);< / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > solution.set_objective_value(objective-> < a class = "code hl_function" href = "classoperations__research_1_1_m_p_objective.html#a8554e97d98d05016f16300cedf2be9f6" > Value< / a > ());< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (result_status == < a class = "code hl_enumvalue" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1" > MPSolver::FEASIBLE< / a > ) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > solution.set_status(vbp::FEASIBLE);< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > solution.set_objective_value(objective-> < a class = "code hl_function" href = "classoperations__research_1_1_m_p_objective.html#a8554e97d98d05016f16300cedf2be9f6" > Value< / a > ());< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (result_status == < a class = "code hl_enumvalue" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483" > MPSolver::INFEASIBLE< / a > ) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > solution.set_status(vbp::INFEASIBLE);< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > }< / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > < / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > < span class = "keywordflow" > if< / span > (result_status == < a class = "code hl_enumvalue" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad" > MPSolver::OPTIMAL< / a > ||< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > result_status == < a class = "code hl_enumvalue" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1" > MPSolver::FEASIBLE< / a > ) {< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > < span class = "comment" > // Create the arc flow graph with the flow quantity in each arc.< / span > < / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > < span class = "keyword" > struct < / span > NextCountItem {< / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599" > next< / a > = -1;< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > < span class = "keywordtype" > int< / span > count = 0;< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > < span class = "keywordtype" > int< / span > item = -1;< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > };< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > std::vector< std::vector< NextCountItem> > node_to_next_count_item(< / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#a405100e4926c5c9e6f758d909ce466d6" > nodes< / a > .size());< / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > v = 0; v < graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#ab3158b0035dffc988c5c8051c97fb37a" > arcs< / a > .size(); ++v) {< / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > count =< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (std::round(arc_to_var[v]-> solution_value()));< / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < span class = "keywordflow" > if< / span > (count == 0) < span class = "keywordflow" > continue< / span > ;< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "keyword" > const< / span > < a class = "code hl_struct" href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html" > ArcFlowGraph::Arc< / a > & < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > = graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#ab3158b0035dffc988c5c8051c97fb37a" > arcs< / a > [v];< / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > node_to_next_count_item[< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .source].push_back(< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > {< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .destination, count, < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .item_index});< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > }< / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > < / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > < span class = "comment" > // Unroll each possible path and rebuild bins.< / span > < / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > < span class = "keyword" > struct < / span > NextItem {< / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599" > next< / a > = -1;< / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > < span class = "keywordtype" > int< / span > item = -1;< / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > };< / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > pop_next_item = [& node_to_next_count_item](< span class = "keywordtype" > int< / span > node) {< / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!node_to_next_count_item[node].empty());< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > < span class = "keyword" > auto< / span > & [< a class = "code hl_variable" href = "constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599" > next< / a > , count, item] = node_to_next_count_item[node].back();< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (< a class = "code hl_variable" href = "constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599" > next< / a > , -1);< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > (count, 0);< / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > < span class = "keywordflow" > if< / span > (--count == 0) {< / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > node_to_next_count_item[node].pop_back();< / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > }< / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > < span class = "keywordflow" > return< / span > NextItem({< a class = "code hl_variable" href = "constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599" > next< / a > , item});< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > };< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > start_node = 0;< / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > end_node = graph.< a class = "code hl_variable" href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#a405100e4926c5c9e6f758d909ce466d6" > nodes< / a > .size() - 1;< / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > < span class = "keywordflow" > while< / span > (!node_to_next_count_item[start_node].empty()) {< / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > absl::btree_map< int, int> item_count;< / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > < span class = "keywordtype" > int< / span > current = start_node;< / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > < span class = "keywordflow" > while< / span > (current != end_node) {< / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & [< a class = "code hl_variable" href = "constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599" > next< / a > , item] = pop_next_item(current);< / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > < span class = "keywordflow" > if< / span > (item != -1) {< / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > item_count[item]++;< / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (< a class = "code hl_variable" href = "constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599" > next< / a > , end_node);< / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > }< / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > current = < a class = "code hl_variable" href = "constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599" > next< / a > ;< / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > }< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > vbp::VectorBinPackingOneBinInSolution* bin = solution.add_bins();< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & [item, count] : item_count) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > bin-> add_item_indices(item);< / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > bin-> add_item_copies(count);< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > }< / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > }< / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > }< / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > < / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > < span class = "keywordflow" > return< / span > solution;< / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > }< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > < / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > } < span class = "comment" > // namespace packing< / span > < / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "ttc" id = "aarc__flow__builder_8h_html" > < div class = "ttname" > < a href = "arc__flow__builder_8h.html" > arc_flow_builder.h< / a > < / div > < / div >
< div class = "ttc" id = "aarc__flow__solver_8cc_html_a6339fe56643271ddfa529e262e86ee12" > < div class = "ttname" > < a href = "arc__flow__solver_8cc.html#a6339fe56643271ddfa529e262e86ee12" > ABSL_FLAG< / a > < / div > < div class = "ttdeci" > ABSL_FLAG(std::string, arc_flow_dump_model, " " , " File to store the solver specific optimization proto." )< / div > < / div >
< div class = "ttc" id = "aarc__flow__solver_8h_html" > < div class = "ttname" > < a href = "arc__flow__solver_8h.html" > arc_flow_solver.h< / a > < / div > < / div >
< div class = "ttc" id = "abase_2file_8h_html" > < div class = "ttname" > < a href = "base_2file_8h.html" > file.h< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274" > < div class = "ttname" > < a href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > < / div > < div class = "ttdeci" > #define CHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00495" > base/logging.h:495< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > < / div > < div class = "ttdeci" > #define CHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00703" > base/logging.h:703< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7e03ec13560fa94a8fea569960d7efc6" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > < / div > < div class = "ttdeci" > #define CHECK_GT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00708" > base/logging.h:708< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_a9f96ed9f06763f0821fdbb4d29031d8d" > < div class = "ttname" > < a href = "base_2logging_8h.html#a9f96ed9f06763f0821fdbb4d29031d8d" > CHECK_OK< / a > < / div > < div class = "ttdeci" > #define CHECK_OK(x)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00044" > base/logging.h:44< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > < / div > < div class = "ttdeci" > #define CHECK_NE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00704" > base/logging.h:704< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927" > < div class = "ttname" > < a href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > < / div > < div class = "ttdeci" > #define VLOG(verboselevel)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00984" > base/logging.h:984< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aclass_wall_timer_html" > < div class = "ttname" > < a href = "class_wall_timer.html" > WallTimer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "timer_8h_source.html#l00023" > timer.h:23< / a > < / div > < / div >
< div class = "ttc" id = "aclass_wall_timer_html_a07aaf1227e4d645f15e0a964f54ef291" > < div class = "ttname" > < a href = "class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291" > WallTimer::Start< / a > < / div > < div class = "ttdeci" > void Start()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "timer_8h_source.html#l00031" > timer.h:31< / a > < / div > < / div >
< div class = "ttc" id = "aclass_wall_timer_html_aec56fe080959ecebec3feaed9dafde84" > < div class = "ttname" > < a href = "class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84" > WallTimer::Get< / a > < / div > < div class = "ttdeci" > double Get() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "timer_8h_source.html#l00045" > timer.h:45< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_constraint_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_constraint.html" > operations_research::MPConstraint< / a > < / div > < div class = "ttdoc" > The class for constraints of a Mathematical Programming (MP) model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l01219" > linear_solver.h:1219< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_objective_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_objective.html" > operations_research::MPObjective< / a > < / div > < div class = "ttdoc" > A class to express a linear objective.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00965" > linear_solver.h:965< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_objective_html_a2def997791a2a5119c3502aa68c34181" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_objective.html#a2def997791a2a5119c3502aa68c34181" > operations_research::MPObjective::SetCoefficient< / a > < / div > < div class = "ttdeci" > void SetCoefficient(const MPVariable *const var, double coeff)< / div > < div class = "ttdoc" > Sets the coefficient of the variable in the objective.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8cc_source.html#l00184" > linear_solver.cc:184< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_objective_html_a8554e97d98d05016f16300cedf2be9f6" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_objective.html#a8554e97d98d05016f16300cedf2be9f6" > operations_research::MPObjective::Value< / a > < / div > < div class = "ttdeci" > double Value() const< / div > < div class = "ttdoc" > Returns the objective value of the best solution found so far.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8cc_source.html#l00256" > linear_solver.cc:256< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html" > operations_research::MPSolver< / a > < / div > < div class = "ttdoc" > This mathematical programming (MP) solver class is the main class though which users build and solve ...< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00182" > linear_solver.h:182< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a43d6ca2f978ca6f622a16117166ff69a" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a43d6ca2f978ca6f622a16117166ff69a" > operations_research::MPSolver::MakeRowConstraint< / a > < / div > < div class = "ttdeci" > MPConstraint * MakeRowConstraint(double lb, double ub)< / div > < div class = "ttdoc" > Creates a linear constraint with given bounds.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8cc_source.html#l01318" > linear_solver.cc:1318< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587d" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d" > operations_research::MPSolver::ResultStatus< / a > < / div > < div class = "ttdeci" > ResultStatus< / div > < div class = "ttdoc" > The status of solving the problem.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00442" > linear_solver.h:442< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da03f919221217f95d21a593a7120165e1" > operations_research::MPSolver::FEASIBLE< / a > < / div > < div class = "ttdeci" > @ FEASIBLE< / div > < div class = "ttdoc" > feasible, or stopped by limit.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00446" > linear_solver.h:446< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2579881e7c83261bc21bafb5a5c92cad" > operations_research::MPSolver::OPTIMAL< / a > < / div > < div class = "ttdeci" > @ OPTIMAL< / div > < div class = "ttdoc" > optimal.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00444" > linear_solver.h:444< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587da2884fa43446c0cbc9c7a9b74d41d7483" > operations_research::MPSolver::INFEASIBLE< / a > < / div > < div class = "ttdeci" > @ INFEASIBLE< / div > < div class = "ttdoc" > proven infeasible.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00448" > linear_solver.h:448< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a6129ea627a9a40fc21ddc24914cc6958" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a6129ea627a9a40fc21ddc24914cc6958" > operations_research::MPSolver::wall_time< / a > < / div > < div class = "ttdeci" > int64_t wall_time() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00835" > linear_solver.h:835< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a76c87990aabadd148304b95332a60ff8" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > operations_research::MPSolver::OptimizationProblemType< / a > < / div > < div class = "ttdeci" > OptimizationProblemType< / div > < div class = "ttdoc" > The type of problems (LP or MIP) that will be solved and the underlying solver (GLOP,...< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00190" > linear_solver.h:190< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a77083241e8bdb93b619c7b9feaf82dec" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a77083241e8bdb93b619c7b9feaf82dec" > operations_research::MPSolver::SetSolverSpecificParametersAsString< / a > < / div > < div class = "ttdeci" > bool SetSolverSpecificParametersAsString(const std::string & parameters)< / div > < div class = "ttdoc" > Advanced usage: pass solver specific parameters in text format.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8cc_source.html#l00353" > linear_solver.cc:353< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a849bf49baad56df58c018e8ab09456fb" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a849bf49baad56df58c018e8ab09456fb" > operations_research::MPSolver::SetNumThreads< / a > < / div > < div class = "ttdeci" > absl::Status SetNumThreads(int num_threads)< / div > < div class = "ttdoc" > Sets the number of threads to use by the underlying solver.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8cc_source.html#l00342" > linear_solver.cc:342< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a880227c1bbe5a1a2a21796a947804615" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a880227c1bbe5a1a2a21796a947804615" > operations_research::MPSolver::ExportModelToProto< / a > < / div > < div class = "ttdeci" > void ExportModelToProto(MPModelProto *output_model) const< / div > < div class = "ttdoc" > Exports model to protocol buffer.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8cc_source.html#l01048" > linear_solver.cc:1048< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_aca3c14720aba5677f473458f706903a7" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#aca3c14720aba5677f473458f706903a7" > operations_research::MPSolver::MakeIntVar< / a > < / div > < div class = "ttdeci" > MPVariable * MakeIntVar(double lb, double ub, const std::string & name)< / div > < div class = "ttdoc" > Creates an integer variable.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8cc_source.html#l01275" > linear_solver.cc:1275< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_acede9075c58cb2f506c99a9fe6f20303" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#acede9075c58cb2f506c99a9fe6f20303" > operations_research::MPSolver::Solve< / a > < / div > < div class = "ttdeci" > ResultStatus Solve()< / div > < div class = "ttdoc" > Solves the problem using the default parameter values.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8cc_source.html#l01395" > linear_solver.cc:1395< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_ad79f6dc56d90d220de25c15f367b888f" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#ad79f6dc56d90d220de25c15f367b888f" > operations_research::MPSolver::EnableOutput< / a > < / div > < div class = "ttdeci" > void EnableOutput()< / div > < div class = "ttdoc" > Enables solver logging.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8cc_source.html#l01672" > linear_solver.cc:1672< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_aede63007883156c3cd3cc336096f0305" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#aede63007883156c3cd3cc336096f0305" > operations_research::MPSolver::MutableObjective< / a > < / div > < div class = "ttdeci" > MPObjective * MutableObjective()< / div > < div class = "ttdoc" > Returns the mutable objective object.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00434" > linear_solver.h:434< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_aff1d83614c47aa9934d4f9312e6056d4" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#aff1d83614c47aa9934d4f9312e6056d4" > operations_research::MPSolver::SetTimeLimit< / a > < / div > < div class = "ttdeci" > void SetTimeLimit(absl::Duration time_limit)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00724" > linear_solver.h:724< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_variable_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_variable.html" > operations_research::MPVariable< / a > < / div > < div class = "ttdoc" > The class for variables of a Mathematical Programming (MP) model.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l01093" > linear_solver.h:1093< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "acommandlineflags_8h_html" > < div class = "ttname" > < a href = "commandlineflags_8h.html" > commandlineflags.h< / a > < / div > < / div >
< div class = "ttc" id = "aconstraint__solver_8cc_html_a395f613555f398dd389670bb4c2a4599" > < div class = "ttname" > < a href = "constraint__solver_8cc.html#a395f613555f398dd389670bb4c2a4599" > next< / a > < / div > < div class = "ttdeci" > Block * next< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_8cc_source.html#l00678" > constraint_solver.cc:678< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< 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 >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > < / div > < div class = "ttdeci" > const Constraint * ct< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00043" > demon_profiler.cc:43< / a > < / div > < / div >
< div class = "ttc" id = "aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465" > < div class = "ttname" > < a href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < / div > < div class = "ttdeci" > IntVar * var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "expr__array_8cc_source.html#l01874" > expr_array.cc:1874< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "alocal__search_8cc_html_a30b5726116ac85ea64777e5d6e333894" > < div class = "ttname" > < a href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > < / div > < div class = "ttdeci" > int arc< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02751" > local_search.cc:2751< / a > < / div > < / div >
< div class = "ttc" id = "anamespacefile_html_a1abdf766bb120d38e7a4dfa200972681" > < div class = "ttname" > < a href = "namespacefile.html#a1abdf766bb120d38e7a4dfa200972681" > file::Defaults< / a > < / div > < div class = "ttdeci" > int Defaults()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2file_8h_source.html#l00120" > base/file.h:120< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "anamespacefile_html_a9af024752012188b3269e30b0d9021c4" > < div class = "ttname" > < a href = "namespacefile.html#a9af024752012188b3269e30b0d9021c4" > file::SetTextProto< / a > < / div > < div class = "ttdeci" > absl::Status SetTextProto(const absl::string_view & filename, const google::protobuf::Message & proto, int flags)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2file_8cc_source.html#l00285" > base/file.cc:285< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1packing_html_a36688ca99be485c512316b4d27ccd409" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1packing.html#a36688ca99be485c512316b4d27ccd409" > operations_research::packing::SolveVectorBinPackingWithArcFlow< / a > < / div > < div class = "ttdeci" > vbp::VectorBinPackingSolution SolveVectorBinPackingWithArcFlow(const vbp::VectorBinPackingProblem & problem, MPSolver::OptimizationProblemType solver_type, const std::string & mip_params, double time_limit, int num_threads, int max_bins)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__solver_8cc_source.html#l00075" > arc_flow_solver.cc:75< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1packing_html_a43c15c357e1f59a9ff10700a5ac7b63e" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1packing.html#a43c15c357e1f59a9ff10700a5ac7b63e" > operations_research::packing::BuildArcFlowGraph< / a > < / div > < div class = "ttdeci" > ArcFlowGraph BuildArcFlowGraph(const std::vector< int > & bin_dimensions, const std::vector< std::vector< int > > & item_dimensions_by_type, const std::vector< int > & demand_by_type)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8cc_source.html#l00399" > arc_flow_builder.cc:399< / 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 = "aparser_8yy_8cc_html_a5a634cf4429798b1c921a81de8250051" > < div class = "ttname" > < a href = "parser_8yy_8cc.html#a5a634cf4429798b1c921a81de8250051" > input< / a > < / div > < div class = "ttdeci" > static int input(yyscan_t yyscanner)< / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc_html" > < div class = "ttname" > < a href = "structoperations__research_1_1packing_1_1_arc_flow_graph_1_1_arc.html" > operations_research::packing::ArcFlowGraph::Arc< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8h_source.html#l00057" > arc_flow_builder.h:57< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1packing_1_1_arc_flow_graph_html" > < div class = "ttname" > < a href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html" > operations_research::packing::ArcFlowGraph< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8h_source.html#l00056" > arc_flow_builder.h:56< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1packing_1_1_arc_flow_graph_html_a405100e4926c5c9e6f758d909ce466d6" > < div class = "ttname" > < a href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#a405100e4926c5c9e6f758d909ce466d6" > operations_research::packing::ArcFlowGraph::nodes< / a > < / div > < div class = "ttdeci" > std::vector< std::vector< int > > nodes< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8h_source.html#l00072" > arc_flow_builder.h:72< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1packing_1_1_arc_flow_graph_html_ab3158b0035dffc988c5c8051c97fb37a" > < div class = "ttname" > < a href = "structoperations__research_1_1packing_1_1_arc_flow_graph.html#ab3158b0035dffc988c5c8051c97fb37a" > operations_research::packing::ArcFlowGraph::arcs< / a > < / div > < div class = "ttdeci" > std::vector< Arc > arcs< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "arc__flow__builder_8h_source.html#l00066" > arc_flow_builder.h:66< / a > < / div > < / div >
< div class = "ttc" id = "atimer_8h_html" > < div class = "ttname" > < a href = "timer_8h.html" > timer.h< / a > < / div > < / div >
2021-09-30 01:18:45 +02:00
< / 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_9544e94844c800b2034da286ad05b914.html" > packing< / a > < / li > < li class = "navelem" > < a class = "el" href = "arc__flow__solver_8cc.html" > arc_flow_solver.cc< / a > < / li >
< li class = "footer" > Generated by
< a href = "http://www.doxygen.org/index.html" >
2022-01-17 21:42:14 +01:00
< img class = "footer" src = "doxygen.png" alt = "doxygen" / > < / a > 1.9.3 < / li >
2021-09-30 01:18:45 +02:00
< / ul >
< / div >
< / body >
< / html >
