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" / >
2021-01-26 11:28:50 +01:00
< meta name = "generator" content = "Doxygen 1.9.1" / >
2020-09-02 09:42:51 +02:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
< title > OR-Tools: perfect_matching.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
2021-04-27 23:00:03 +02:00
  < span id = "projectnumber" > 9.0< / span >
2020-09-02 09:42:51 +02:00
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2021-01-26 11:28:50 +01:00
<!-- Generated by Doxygen 1.9.1 -->
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 */
2021-01-26 11:28:50 +01:00
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
2020-09-02 09:42:51 +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" >
/* @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('perfect__matching_8cc_source.html',''); initResizable(); });
/* @license-end */
< / script >
< div id = "doc-content" >
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
< / div >
<!-- iframe showing the search results (closed by default) -->
< div id = "MSearchResultsWindow" >
< iframe src = "javascript:void(0)" frameborder = "0"
name="MSearchResults" id="MSearchResults">
< / iframe >
< / div >
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > perfect_matching.cc< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
2021-04-27 23:00:03 +02:00
< a href = "perfect__matching_8cc.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 2010-2021 Google LLC< / span > < / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "perfect__matching_8h.html" > ortools/graph/perfect_matching.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " absl/memory/memory.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "saturated__arithmetic_8h.html" > ortools/util/saturated_arithmetic.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_min_cost_perfect_matching.html#a50eca19efa71a0b70de25f9ad4a2a6f8" > 21< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_min_cost_perfect_matching.html#a50eca19efa71a0b70de25f9ad4a2a6f8" > MinCostPerfectMatching::Reset< / a > (< span class = "keywordtype" > int< / span > num_nodes) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   graph_ = absl::make_unique< BlossomGraph> (num_nodes);< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   optimal_cost_ = 0;< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   matches_.assign(num_nodes, -1);< / 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 >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_min_cost_perfect_matching.html#a132e58de7ebb46a1ba677b77f6e60907" > 27< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_min_cost_perfect_matching.html#a132e58de7ebb46a1ba677b77f6e60907" > MinCostPerfectMatching::AddEdgeWithCost< / a > (< span class = "keywordtype" > int< / span > < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < span class = "keywordtype" > int< / span > < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > , int64_t < a class = "code" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > ) {< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < a class = "code" href = "base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9" > CHECK_GE< / a > (< a class = "code" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > , 0) < < < span class = "stringliteral" > " Not supported for now, just shift your costs." < / span > ;< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > == < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ) {< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " Ignoring self-arc: " < / span > < < < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > < < < span class = "stringliteral" > " < -> " < / span > < < < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < < < span class = "stringliteral" > " cost: " < / span > < < < a class = "code" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   }< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   maximum_edge_cost_ = < a class = "code" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::max< / a > (maximum_edge_cost_, < a class = "code" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > );< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   graph_-> AddEdge(< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > BlossomGraph::NodeIndex< / a > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ), < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > BlossomGraph::NodeIndex< / a > (< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ),< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > BlossomGraph::CostValue< / a > (< a class = "code" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > ));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   }< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_min_cost_perfect_matching.html#a00a07ecd49cf20c2806ebbcd1f5dcbb1" > 39< / a > < / span >   < a class = "code" href = "classoperations__research_1_1_min_cost_perfect_matching.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > MinCostPerfectMatching::Status< / a > < a class = "code" href = "classoperations__research_1_1_min_cost_perfect_matching.html#a00a07ecd49cf20c2806ebbcd1f5dcbb1" > MinCostPerfectMatching::Solve< / a > () {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   optimal_solution_found_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "comment" > // We want all dual and all slack value to never overflow. After Initialize()< / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "comment" > // they are both bounded by the 2 * maximum cost. And we track an upper bound< / span > < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "comment" > // on these quantities. The factor two is because of the re-scaling we do< / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "comment" > // internally since all our dual values are actually multiple of 1/2.< / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > // Note that since the whole code in BlossomGraph assumes that dual/slack have< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // a magnitude that is always lower than kMaxCostValue it is important to use< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > // it here since there is no reason it cannot be smaller than kint64max.< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > // TODO(user): Improve the overflow detection if needed. The current one seems< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "comment" > // ok though.< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   int64_t overflow_detection = < a class = "code" href = "namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291" > CapAdd< / a > (maximum_edge_cost_, maximum_edge_cost_);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keywordflow" > if< / span > (overflow_detection > = < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > BlossomGraph::kMaxCostValue< / a > ) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > return< / span > Status::INTEGER_OVERFLOW;< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   }< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_nodes = matches_.size();< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordflow" > if< / span > (!graph_-> Initialize()) < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483" > Status::INFEASIBLE< / a > ;< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < graph_-> DebugString();< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " num_unmatched: " < / span > < < num_nodes - graph_-> NumMatched()< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < < < span class = "stringliteral" > " dual_objective: " < / span > < < graph_-> DualObjective();< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > while< / span > (graph_-> NumMatched() != num_nodes) {< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   graph_-> PrimalUpdates();< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "macros_8h.html#a7f536a3b33f9bed8f75734e035d30725" > DEBUG_MODE< / a > ) {< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   graph_-> DebugCheckNoPossiblePrimalUpdates();< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   }< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " num_unmatched: " < / span > < < num_nodes - graph_-> NumMatched()< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < < < span class = "stringliteral" > " dual_objective: " < / span > < < graph_-> DualObjective();< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keywordflow" > if< / span > (graph_-> NumMatched() == num_nodes) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > BlossomGraph::CostValue< / a > < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > =< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   graph_-> ComputeMaxCommonTreeDualDeltaAndResetPrimalEdgeQueue();< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   overflow_detection = < a class = "code" href = "namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291" > CapAdd< / a > (overflow_detection, std::abs(< a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > .value()));< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keywordflow" > if< / span > (overflow_detection > = < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > BlossomGraph::kMaxCostValue< / a > ) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordflow" > return< / span > Status::INTEGER_OVERFLOW;< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   }< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > == 0) < span class = "keywordflow" > break< / span > ; < span class = "comment" > // Infeasible!< / span > < / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   graph_-> UpdateAllTrees(< a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   }< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " End: " < / span > < < graph_-> NumMatched() < < < span class = "stringliteral" > " / " < / span > < < num_nodes;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   graph_-> DisplayStats();< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keywordflow" > if< / span > (graph_-> NumMatched() < num_nodes) {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483" > Status::INFEASIBLE< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   }< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < graph_-> DebugString();< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (graph_-> DebugDualsAreFeasible());< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "comment" > // TODO(user): Maybe there is a faster/better way to recover the mapping< / span > < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "comment" > // in the presence of blossoms.< / span > < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   graph_-> ExpandAllBlossoms();< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_nodes; ++i) {< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   matches_[i] = graph_-> Match(< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > BlossomGraph::NodeIndex< / a > (i)).value();< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   }< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   optimal_solution_found_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   optimal_cost_ = graph_-> DualObjective().value();< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordflow" > if< / span > (optimal_cost_ == < a class = "code" href = "integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897" > kint64max< / a > ) < span class = "keywordflow" > return< / span > Status::COST_OVERFLOW;< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad" > Status::OPTIMAL< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   }< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "keyword" > using< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > = < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > BlossomGraph::NodeIndex< / a > ;< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keyword" > using< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > = < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > BlossomGraph::CostValue< / a > ;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > BlossomGraph::NodeIndex< / a > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#aa58388f09616752263b1fac85c35e432" > BlossomGraph::kNoNodeIndex< / a > =< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > BlossomGraph::NodeIndex< / a > (-1);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keyword" > const< / span > BlossomGraph::EdgeIndex < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a8a0d1ac19aba17d0f2d52d15a049dc2c" > BlossomGraph::kNoEdgeIndex< / a > =< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   BlossomGraph::EdgeIndex(-1);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > BlossomGraph::CostValue< / a > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > BlossomGraph::kMaxCostValue< / a > =< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > BlossomGraph::CostValue< / a > (< a class = "code" href = "integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897" > kint64max< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#ae0848b03565c382ae68dca458899dc58" > 116< / a > < / span >   < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#ae0848b03565c382ae68dca458899dc58" > BlossomGraph::BlossomGraph< / a > (< span class = "keywordtype" > int< / span > num_nodes) {< / div >
2020-12-07 17:47:46 +01:00
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   graph_.< a class = "code" href = "classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72" > resize< / a > (num_nodes);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   nodes_.reserve(num_nodes);< / div >
2020-12-07 17:47:46 +01:00
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   root_blossom_node_.< a class = "code" href = "classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72" > resize< / a > (num_nodes);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < num_nodes; ++n) {< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   root_blossom_node_[n] = n;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   nodes_.push_back(< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > (n));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   }< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   }< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a58f432346ba2007a0c0a62ad8789b048" > 126< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a58f432346ba2007a0c0a62ad8789b048" > BlossomGraph::AddEdge< / a > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > , < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > < a class = "code" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > ) {< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < a class = "code" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , 0);< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < a class = "code" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , nodes_.size());< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < a class = "code" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > , 0);< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < a class = "code" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > , nodes_.size());< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < a class = "code" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (< a class = "code" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > , 0);< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!is_initialized_);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keyword" > const< / span > EdgeIndex < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > (edges_.size());< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   edges_.push_back(< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > , < a class = "code" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > ));< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   graph_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].< a class = "code" href = "classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b" > push_back< / a > (< a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > );< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   graph_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].< a class = "code" href = "classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b" > push_back< / a > (< a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   }< / 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" > // TODO(user): Code the more advanced " Fractional matching initialization" < / span > < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "comment" > // heuristic.< / span > < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "comment" > // TODO(user): Add a preprocessing step that performs the ' forced' matches?< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a248c764067ee60c03ee370784c49f353" > 143< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a248c764067ee60c03ee370784c49f353" > BlossomGraph::Initialize< / a > () {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!is_initialized_);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   is_initialized_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keywordflow" > if< / span > (graph_[n].empty()) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ; < span class = "comment" > // INFEASIBLE.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > min_cost = < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "comment" > // Initialize the dual of each nodes to min_cost / 2.< / span > < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "comment" > // TODO(user): We might be able to do better for odd min_cost, but then< / span > < / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < span class = "comment" > // we might need to scale by 4? think about it.< / span > < / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[n]) {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   min_cost = < a class = "code" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (min_cost, edges_[e].pseudo_slack);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   }< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < a class = "code" href = "base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0" > DCHECK_NE< / a > (min_cost, < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   nodes_[n].pseudo_dual = min_cost / 2;< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "comment" > // Starts with all nodes as tree roots.< / span > < / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   nodes_[n].type = 1;< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   }< / 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 >   < span class = "comment" > // Update the slack of each edges now that nodes might have non-zero duals.< / span > < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "comment" > // Note that we made sure that all updated slacks are non-negative.< / span > < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keywordflow" > for< / span > (EdgeIndex e(0); e < edges_.size(); ++e) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & mutable_edge = edges_[e];< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   mutable_edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > -= nodes_[mutable_edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac244bdf901af2bc171478cbcfa09266e" > tail< / a > ].pseudo_dual +< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   nodes_[mutable_edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a91f6a7d52fa6d6f96cdf7755641e0055" > head< / a > ].pseudo_dual;< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < a class = "code" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (mutable_edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > , 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   }< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > NodeIsMatched< / a > (n)) < span class = "keywordflow" > continue< / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "comment" > // After this greedy update, there will be at least an edge with a< / span > < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "comment" > // slack of zero.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > min_slack = < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[n]) {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   min_slack = < a class = "code" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (min_slack, edges_[e].pseudo_slack);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   }< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < a class = "code" href = "base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0" > DCHECK_NE< / a > (min_slack, < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordflow" > if< / span > (min_slack > 0) {< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   nodes_[n].pseudo_dual += min_slack;< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[n]) {< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   edges_[e].pseudo_slack -= min_slack;< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#ad7e519048b150893f06581b7f270c118" > DebugUpdateNodeDual< / a > (n, min_slack);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   }< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "comment" > // Match this node if possible.< / span > < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "comment" > // TODO(user): Optimize by merging this loop with the one above?< / span > < / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[n]) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > != 0) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > NodeIsMatched< / a > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ad9e501cd6bde03f8ed86ebac02b043c9" > OtherEnd< / a > (n))) {< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   nodes_[edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac244bdf901af2bc171478cbcfa09266e" > tail< / a > ].type = 0;< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   nodes_[edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac244bdf901af2bc171478cbcfa09266e" > tail< / a > ].match = edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a91f6a7d52fa6d6f96cdf7755641e0055" > head< / a > ;< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   nodes_[edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a91f6a7d52fa6d6f96cdf7755641e0055" > head< / a > ].type = 0;< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   nodes_[edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a91f6a7d52fa6d6f96cdf7755641e0055" > head< / a > ].match = edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac244bdf901af2bc171478cbcfa09266e" > tail< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   }< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   }< / 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 >   < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "comment" > // Initialize unmatched_nodes_.< / span > < / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > NodeIsMatched< / a > (n)) < span class = "keywordflow" > continue< / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   unmatched_nodes_.push_back(n);< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   }< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "comment" > // Scale everything by 2 and update the dual cost. Note that we made sure that< / span > < / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "comment" > // there cannot be an integer overflow at the beginning of Solve().< / span > < / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "comment" > // This scaling allows to only have integer weights during the algorithm< / span > < / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "comment" > // because the slack of [+] -- [+] edges will always stay even.< / span > < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "comment" > // TODO(user): Reduce the number of loops we do in the initialization. We< / span > < / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "comment" > // could likely just scale the edge cost as we fill them.< / span > < / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < a class = "code" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (nodes_[n].pseudo_dual, < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > / 2);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   nodes_[n].pseudo_dual *= 2;< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   AddToDualObjective(nodes_[n].pseudo_dual);< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   nodes_[n].dual = nodes_[n].pseudo_dual;< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   }< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "keywordflow" > for< / span > (EdgeIndex e(0); e < edges_.size(); ++e) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < a class = "code" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (edges_[e].pseudo_slack, < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > / 2);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   edges_[e].pseudo_slack *= 2;< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   edges_[e].slack = edges_[e].pseudo_slack;< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   }< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "comment" > // Initialize the edge priority queues and the primal update queue.< / span > < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "comment" > // We only need to do that if we have unmatched nodes.< / span > < / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "keywordflow" > if< / span > (!unmatched_nodes_.empty()) {< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   primal_update_edge_queue_.clear();< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keywordflow" > for< / span > (EdgeIndex e(0); e < edges_.size(); ++e) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > tail_is_plus = nodes_[edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac244bdf901af2bc171478cbcfa09266e" > tail< / a > ].IsPlus();< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > head_is_plus = nodes_[edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a91f6a7d52fa6d6f96cdf7755641e0055" > head< / a > ].IsPlus();< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keywordflow" > if< / span > (tail_is_plus & & head_is_plus) {< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   plus_plus_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > == 0) primal_update_edge_queue_.push_back(e);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (tail_is_plus || head_is_plus) {< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   plus_free_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > == 0) primal_update_edge_queue_.push_back(e);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   }< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   }< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   }< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   }< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a3a2cd7bcc756090a5e1a7bcdfa530a1b" > 259< / a > < / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a3a2cd7bcc756090a5e1a7bcdfa530a1b" > BlossomGraph::ComputeMaxCommonTreeDualDeltaAndResetPrimalEdgeQueue< / a > () {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "comment" > // TODO(user): Avoid this linear loop.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > best_update = < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node = nodes_[n];< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0d7fbff09819deb796dfbcb6370b12b2" > IsBlossom< / a > () & & node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#af7b352e9f09d2400d7686572bec02ef1" > IsMinus< / a > ()) {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   best_update = < a class = "code" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (best_update, < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > Dual< / a > (node));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   }< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   }< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "comment" > // This code only works because all tree_dual_delta are the same.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!unmatched_nodes_.empty());< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > tree_delta = nodes_[unmatched_nodes_.front()].tree_dual_delta;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > plus_plus_slack = < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < span class = "keywordflow" > if< / span > (!plus_plus_pq_.IsEmpty()) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (plus_plus_pq_.Top()-> pseudo_slack % 2, 0) < < < span class = "stringliteral" > " Non integer bound!" < / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   plus_plus_slack = plus_plus_pq_.Top()-> pseudo_slack / 2 - tree_delta;< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   best_update = < a class = "code" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (best_update, plus_plus_slack);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > plus_free_slack = < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "keywordflow" > if< / span > (!plus_free_pq_.IsEmpty()) {< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   plus_free_slack = plus_free_pq_.Top()-> pseudo_slack - tree_delta;< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   best_update = < a class = "code" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (best_update, plus_free_slack);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   }< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < span class = "comment" > // This means infeasible, and returning zero will abort the search.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keywordflow" > if< / span > (best_update == < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > kMaxCostValue< / a > ) < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > (0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < span class = "comment" > // Initialize primal_update_edge_queue_ with all the edges that will have a< / span > < / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "comment" > // slack of zero once we apply the update.< / span > < / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   < span class = "comment" > // NOTE(user): If we want more " determinism" and be independent on the PQ< / span > < / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "comment" > // algorithm, we could std::sort() the primal_update_edge_queue_ here.< / span > < / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   primal_update_edge_queue_.clear();< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "keywordflow" > if< / span > (plus_plus_slack == best_update) {< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   plus_plus_pq_.AllTop(& tmp_all_tops_);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > * pt : tmp_all_tops_) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   primal_update_edge_queue_.push_back(EdgeIndex(pt - & edges_.front()));< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   }< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   }< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < span class = "keywordflow" > if< / span > (plus_free_slack == best_update) {< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   plus_free_pq_.AllTop(& tmp_all_tops_);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > * pt : tmp_all_tops_) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   primal_update_edge_queue_.push_back(EdgeIndex(pt - & edges_.front()));< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   }< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   }< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < span class = "keywordflow" > return< / span > best_update;< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   }< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#acdf1d4050349cf4a87c08498eaa2d1e9" > 309< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#acdf1d4050349cf4a87c08498eaa2d1e9" > BlossomGraph::UpdateAllTrees< / a > (< a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > ) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   ++num_dual_updates_;< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < span class = "comment" > // Reminder: the tree roots are exactly the unmatched nodes.< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   < a class = "code" href = "base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9" > CHECK_GE< / a > (< a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > , 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n : unmatched_nodes_) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > NodeIsMatched< / a > (n));< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   AddToDualObjective(< a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > );< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   nodes_[n].tree_dual_delta += < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   }< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "macros_8h.html#a7f536a3b33f9bed8f75734e035d30725" > DEBUG_MODE< / a > ) {< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node = nodes_[n];< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > ()) < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#ad7e519048b150893f06581b7f270c118" > DebugUpdateNodeDual< / a > (n, < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > );< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#af7b352e9f09d2400d7686572bec02ef1" > IsMinus< / a > ()) < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#ad7e519048b150893f06581b7f270c118" > DebugUpdateNodeDual< / a > (n, -< a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   }< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   }< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   }< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > 329< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > BlossomGraph::NodeIsMatched< / a > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n)< span class = "keyword" > const < / span > {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   < span class = "comment" > // An unmatched node must be a tree root.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node = nodes_[n];< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > != n || (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > == n & & node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > ()));< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < span class = "keywordflow" > return< / span > node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > != n;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   }< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a498ac6ce9ab7d52b1ff1dd3fefc1a5b7" > 336< / a > < / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a498ac6ce9ab7d52b1ff1dd3fefc1a5b7" > BlossomGraph::Match< / a > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node = nodes_[n];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "macros_8h.html#a7f536a3b33f9bed8f75734e035d30725" > DEBUG_MODE< / a > ) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#af7b352e9f09d2400d7686572bec02ef1" > IsMinus< / a > ()) < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > , node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > );< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > ()) < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (n, node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < span class = "keywordflow" > return< / span > node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   }< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < span class = "comment" > // Meant to only be used in DEBUG to make sure our queue in PrimalUpdates()< / span > < / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < span class = "comment" > // do not miss any potential edges.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a6f810c6acdae2d7caa9ca2f8cbf35ce5" > 347< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a6f810c6acdae2d7caa9ca2f8cbf35ce5" > BlossomGraph::DebugCheckNoPossiblePrimalUpdates< / a > () {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < span class = "keywordflow" > for< / span > (EdgeIndex e(0); e < edges_.size(); ++e) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < span class = "keywordflow" > if< / span > (Head(edge) == Tail(edge)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!nodes_[Tail(edge)].is_internal);< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!nodes_[Head(edge)].is_internal);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge) != 0) < span class = "keywordflow" > continue< / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < span class = "comment" > // Make sure tail is a plus node if possible.< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > = Tail(edge);< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > = Head(edge);< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < span class = "keywordflow" > if< / span > (!nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].IsPlus()) < a class = "code" href = "namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2" > std::swap< / a > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   < span class = "keywordflow" > if< / span > (!nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].IsPlus()) < span class = "keywordflow" > continue< / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < span class = "keywordflow" > if< / span > (nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].IsFree()) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a764be64f3029f8b8e23511061d8de355" > DebugString< / a > ();< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Possible Grow! " < / span > < < < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > < < < span class = "stringliteral" > " " < / span > < < < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   }< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "keywordflow" > if< / span > (nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].IsPlus()) {< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   < span class = "keywordflow" > if< / span > (nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].root == nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].root) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Possible Shrink!" < / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   } < span class = "keywordflow" > else< / span > {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Possible augment!" < / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   }< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   }< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node : nodes_) {< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   < span class = "keywordflow" > if< / span > (node.IsMinus() & & node.IsBlossom() & & < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > Dual< / a > (node) == 0) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Possible expand!" < / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   }< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   }< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   }< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a0a45bd01bdb08f462f19cf483b88a6d1" > 381< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a0a45bd01bdb08f462f19cf483b88a6d1" > BlossomGraph::PrimalUpdates< / a > () {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   < span class = "comment" > // Any Grow/Augment/Shrink/Expand operation can add new tight edges that need< / span > < / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < span class = "comment" > // to be explored again.< / span > < / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   < span class = "comment" > // TODO(user): avoid adding duplicates?< / span > < / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   possible_shrink_.clear();< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < span class = "comment" > // First, we Grow/Augment as much as possible.< / span > < / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   < span class = "keywordflow" > while< / span > (!primal_update_edge_queue_.empty()) {< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   < span class = "keyword" > const< / span > EdgeIndex e = primal_update_edge_queue_.back();< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   primal_update_edge_queue_.pop_back();< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   < span class = "comment" > // Because of the Expand() operation, the edge may have become un-tight< / span > < / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < span class = "comment" > // since it has been inserted in the tight edges queue. It' s cheaper to< / span > < / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < span class = "comment" > // detect it here and skip it than it would be to dynamically update the< / span > < / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   < span class = "comment" > // queue to only keep actually tight edges at all times.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge) != 0) < span class = "keywordflow" > continue< / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > = Tail(edge);< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > = Head(edge);< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   < span class = "keywordflow" > if< / span > (!nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].IsPlus()) < a class = "code" href = "namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2" > std::swap< / a > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   < span class = "keywordflow" > if< / span > (!nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].IsPlus()) < span class = "keywordflow" > continue< / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < span class = "keywordflow" > if< / span > (nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].IsFree()) {< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a39b5c65490728705cd4471c549ff1d95" > Grow< / a > (e, < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].IsPlus()) {< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   < span class = "keywordflow" > if< / span > (nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].root != nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].root) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a77239a64984b6868f08721b84d7c08a1" > Augment< / a > (e);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   possible_shrink_.push_back(e);< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   }< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   }< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   }< / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   < / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "comment" > // Shrink all potential Blossom.< / span > < / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : possible_shrink_) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > = Tail(edge);< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > = Head(edge);< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & tail_node = nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ];< / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & head_node = nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ];< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   < span class = "keywordflow" > if< / span > (tail_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > () & & head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > () & & < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   tail_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > == head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > & & < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > != < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#aacc1343585a38bfaa42702e635552837" > Shrink< / a > (e);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   }< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   }< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   < span class = "comment" > // Delay expand if any blossom was created.< / span > < / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < span class = "keywordflow" > if< / span > (!primal_update_edge_queue_.empty()) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   < / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   < span class = "comment" > // Expand Blossom if any.< / span > < / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < span class = "comment" > // TODO(user): Avoid doing a O(num_nodes). Also expand all blossom< / span > < / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   < span class = "comment" > // recursively? I am not sure it is a good heuristic to expand all possible< / span > < / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < span class = "comment" > // blossom before trying the other operations though.< / span > < / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < span class = "keywordtype" > int< / span > num_expands = 0;< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node = nodes_[n];< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#af7b352e9f09d2400d7686572bec02ef1" > IsMinus< / a > () & & node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0d7fbff09819deb796dfbcb6370b12b2" > IsBlossom< / a > () & & < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > Dual< / a > (node) == 0) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   ++num_expands;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#abf9aa973816e638a2b972b595d952c0e" > Expand< / a > (n);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   }< / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   }< / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "keywordflow" > if< / span > (num_expands == 0) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   }< / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   }< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a10faf3cb1acc845ce59c867bd9753155" > 450< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a10faf3cb1acc845ce59c867bd9753155" > BlossomGraph::DebugDualsAreFeasible< / a > ()< span class = "keyword" > const < / span > {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   < span class = "comment" > // The slack of all edge must be non-negative.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge : edges_) {< / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge) < 0) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   }< / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   < / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   < span class = "comment" > // The dual of all Blossom must be non-negative.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node : nodes_) {< / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < span class = "keywordflow" > if< / span > (node.IsBlossom() & & < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > Dual< / a > (node) < 0) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   }< / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   }< / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a41347b63abb9f92b02b1705cdae50cad" > 463< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a41347b63abb9f92b02b1705cdae50cad" > BlossomGraph::DebugEdgeIsTightAndExternal< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge)< span class = "keyword" > const < / span > {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   < span class = "keywordflow" > if< / span > (Tail(edge) == Head(edge)) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   < span class = "keywordflow" > if< / span > (nodes_[Tail(edge)].IsInternal()) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   < span class = "keywordflow" > if< / span > (nodes_[Head(edge)].IsInternal()) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge) == 0;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   }< / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a39b5c65490728705cd4471c549ff1d95" > 470< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a39b5c65490728705cd4471c549ff1d95" > BlossomGraph::Grow< / a > (EdgeIndex e, < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   ++num_grows_;< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Grow " < / span > < < < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > < < < span class = "stringliteral" > " -> " < / span > < < < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > < < < span class = "stringliteral" > " === " < / span > < < < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a498ac6ce9ab7d52b1ff1dd3fefc1a5b7" > Match< / a > (< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a41347b63abb9f92b02b1705cdae50cad" > DebugEdgeIsTightAndExternal< / a > (edges_[e]));< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].IsPlus());< / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].IsFree());< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > NodeIsMatched< / a > (< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > root = nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].root;< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > leaf = < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a498ac6ce9ab7d52b1ff1dd3fefc1a5b7" > Match< / a > (< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & head_node = nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ];< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > = root;< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > = < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > = -1;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   < / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   < span class = "comment" > // head was free and is now a [-] node.< / span > < / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > tree_dual = nodes_[root].tree_dual_delta;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > += tree_dual;< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > )) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[subnode]) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > 493< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > other_end = OtherEnd(edge, subnode);< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   < span class = "keywordflow" > if< / span > (other_end == < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ) < span class = "keywordflow" > continue< / span > ;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > -= tree_dual;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   < span class = "keywordflow" > if< / span > (plus_free_pq_.Contains(& edge)) plus_free_pq_.Remove(& edge);< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   }< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   }< / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & leaf_node = nodes_[leaf];< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   leaf_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > = root;< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   leaf_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > = < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   leaf_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > = +1;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   < / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   < span class = "comment" > // leaf was free and is now a [+] node.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   leaf_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > -= tree_dual;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(leaf)) {< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[subnode]) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > other_end = OtherEnd(edge, subnode);< / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   < span class = "keywordflow" > if< / span > (other_end == leaf) < span class = "keywordflow" > continue< / span > ;< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > += tree_dual;< / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & other_node = nodes_[other_end];< / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   < span class = "keywordflow" > if< / span > (other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > ()) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   < span class = "comment" > // The edge switch from [+] -- [0] to [+] -- [+].< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (plus_free_pq_.Contains(& edge));< / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_plus_pq_.Contains(& edge));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   plus_free_pq_.Remove(& edge);< / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   plus_plus_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > == 2 * tree_dual) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge), 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   primal_update_edge_queue_.push_back(e);< / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a48a8004385fae256a9c93d353016bea1" > IsFree< / a > ()) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   < span class = "comment" > // We have a new [+] -- [0] edge.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_free_pq_.Contains(& edge));< / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_plus_pq_.Contains(& edge));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   plus_free_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > == tree_dual) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge), 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   primal_update_edge_queue_.push_back(e);< / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   }< / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   }< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   }< / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   }< / div >
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   }< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   < / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   < span class = "keywordtype" > void< / span > BlossomGraph::AppendNodePathToRoot(< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n,< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   std::vector< NodeIndex> * path)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   path-> push_back(n);< / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   n = nodes_[n].parent;< / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   < span class = "keywordflow" > if< / span > (n == path-> back()) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   }< / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   }< / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a77239a64984b6868f08721b84d7c08a1" > 547< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a77239a64984b6868f08721b84d7c08a1" > BlossomGraph::Augment< / a > (EdgeIndex e) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   ++num_augments_;< / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Augment " < / span > < < Tail(edge) < < < span class = "stringliteral" > " -> " < / span > < < Head(edge);< / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a41347b63abb9f92b02b1705cdae50cad" > DebugEdgeIsTightAndExternal< / a > (edge));< / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (nodes_[Tail(edge)].IsPlus());< / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (nodes_[Head(edge)].IsPlus());< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   < / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > root_a = nodes_[Tail(edge)].root;< / div >
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > root_b = nodes_[Head(edge)].root;< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   < a class = "code" href = "base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0" > DCHECK_NE< / a > (root_a, root_b);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   < / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   < span class = "comment" > // Compute the path from root_a to root_b.< / span > < / div >
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   std::vector< NodeIndex> node_path;< / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > 562< / span >   AppendNodePathToRoot(Tail(edge), & node_path);< / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   std::reverse(node_path.begin(), node_path.end());< / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   AppendNodePathToRoot(Head(edge), & node_path);< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   < / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   < span class = "comment" > // TODO(user): Check all dual/slack same after primal op?< / span > < / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > delta_a = nodes_[root_a].tree_dual_delta;< / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > delta_b = nodes_[root_b].tree_dual_delta;< / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   nodes_[root_a].tree_dual_delta = 0;< / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   nodes_[root_b].tree_dual_delta = 0;< / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   < / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   < span class = "comment" > // Make all the nodes from both trees free while keeping the< / span > < / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   < span class = "comment" > // current matching.< / span > < / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   < span class = "comment" > // TODO(user): It seems that we may waste some computation since the part of< / span > < / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   < span class = "comment" > // the tree not in the path between roots can lead to the same Grow()< / span > < / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   < span class = "comment" > // operations later when one of its node is ratched to a new root.< / span > < / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   < span class = "comment" > // TODO(user): Reduce this O(num_nodes) complexity. We might be able to< / span > < / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   < span class = "comment" > // even do O(num_node_in_path) with lazy updates. Note that this operation< / span > < / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   < span class = "comment" > // will only be performed at most num_initial_unmatched_nodes / 2 times< / span > < / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   < span class = "comment" > // though.< / span > < / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > 583< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node = nodes_[n];< / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a6bd5709ed0198c891c1d312e700c083b" > IsInternal< / a > ()) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > root = node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   < span class = "keywordflow" > if< / span > (root != root_a & & root != root_b) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > = node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > * (root == root_a ? delta_a : delta_b);< / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > += < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(n)) {< / div >
< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[subnode]) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > other_end = OtherEnd(edge, subnode);< / div >
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   < span class = "keywordflow" > if< / span > (other_end == n) < span class = "keywordflow" > continue< / span > ;< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > -= < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > 597< / span >   < / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   < span class = "comment" > // If the other end is not in one of the two trees, and it is a plus< / span > < / div >
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   < span class = "comment" > // node, we add it the plus_free queue. All previous [+]--[0] and< / span > < / div >
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   < span class = "comment" > // [+]--[+] edges need to be removed from the queues.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & other_node = nodes_[other_end];< / div >
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   < span class = "keywordflow" > if< / span > (other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > != root_a & & other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > != root_b & & < / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > ()) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   < span class = "keywordflow" > if< / span > (plus_plus_pq_.Contains(& edge)) plus_plus_pq_.Remove(& edge);< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_free_pq_.Contains(& edge));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   plus_free_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge) == 0) primal_update_edge_queue_.push_back(e);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   < span class = "keywordflow" > if< / span > (plus_plus_pq_.Contains(& edge)) plus_plus_pq_.Remove(& edge);< / div >
< div class = "line" > < a name = "l00610" > < / a > < span class = "lineno" > 610< / span >   < span class = "keywordflow" > if< / span > (plus_free_pq_.Contains(& edge)) plus_free_pq_.Remove(& edge);< / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   }< / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   }< / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   }< / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > = 0;< / div >
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > = node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > = n;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   }< / div >
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   < / div >
< div class = "line" > < a name = "l00619" > < / a > < span class = "lineno" > 619< / span >   < span class = "comment" > // Change the matching of nodes along node_path.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00620" > < / a > < span class = "lineno" > 620< / span >   < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (node_path.size() % 2, 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00621" > < / a > < span class = "lineno" > 621< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < node_path.size(); i += 2) {< / div >
< div class = "line" > < a name = "l00622" > < / a > < span class = "lineno" > 622< / span >   nodes_[node_path[i]].match = node_path[i + 1];< / div >
< div class = "line" > < a name = "l00623" > < / a > < span class = "lineno" > 623< / span >   nodes_[node_path[i + 1]].match = node_path[i];< / div >
< div class = "line" > < a name = "l00624" > < / a > < span class = "lineno" > 624< / span >   }< / div >
< div class = "line" > < a name = "l00625" > < / a > < span class = "lineno" > 625< / span >   < / div >
< div class = "line" > < a name = "l00626" > < / a > < span class = "lineno" > 626< / span >   < span class = "comment" > // Update unmatched_nodes_.< / span > < / div >
< div class = "line" > < a name = "l00627" > < / a > < span class = "lineno" > 627< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00628" > < / a > < span class = "lineno" > 628< / span >   < span class = "comment" > // TODO(user): This could probably be optimized if needed. But we do usually< / span > < / div >
< div class = "line" > < a name = "l00629" > < / a > < span class = "lineno" > 629< / span >   < span class = "comment" > // iterate a lot more over it than we update it. Note that as long as we use< / span > < / div >
< div class = "line" > < a name = "l00630" > < / a > < span class = "lineno" > 630< / span >   < span class = "comment" > // the same delta for all trees, this is not even needed.< / span > < / div >
< div class = "line" > < a name = "l00631" > < / a > < span class = "lineno" > 631< / span >   < span class = "keywordtype" > int< / span > new_size = 0;< / div >
< div class = "line" > < a name = "l00632" > < / a > < span class = "lineno" > 632< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n : unmatched_nodes_) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00633" > < / a > < span class = "lineno" > 633< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > NodeIsMatched< / a > (n)) unmatched_nodes_[new_size++] = n;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00634" > < / a > < span class = "lineno" > 634< / span >   }< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00635" > < / a > < span class = "lineno" > 635< / span >   < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (unmatched_nodes_.size(), new_size + 2);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00636" > < / a > < span class = "lineno" > 636< / span >   unmatched_nodes_.resize(new_size);< / div >
< div class = "line" > < a name = "l00637" > < / a > < span class = "lineno" > 637< / span >   }< / div >
< div class = "line" > < a name = "l00638" > < / a > < span class = "lineno" > 638< / span >   < / div >
< div class = "line" > < a name = "l00639" > < / a > < span class = "lineno" > 639< / span >   < span class = "keywordtype" > int< / span > BlossomGraph::GetDepth(< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00640" > < / a > < span class = "lineno" > 640< / span >   < span class = "keywordtype" > int< / span > depth = 0;< / div >
< div class = "line" > < a name = "l00641" > < / a > < span class = "lineno" > 641< / span >   < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a name = "l00642" > < / a > < span class = "lineno" > 642< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > parent = nodes_[n].parent;< / div >
< div class = "line" > < a name = "l00643" > < / a > < span class = "lineno" > 643< / span >   < span class = "keywordflow" > if< / span > (parent == n) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00644" > < / a > < span class = "lineno" > 644< / span >   ++depth;< / div >
< div class = "line" > < a name = "l00645" > < / a > < span class = "lineno" > 645< / span >   n = parent;< / div >
< div class = "line" > < a name = "l00646" > < / a > < span class = "lineno" > 646< / span >   }< / div >
< div class = "line" > < a name = "l00647" > < / a > < span class = "lineno" > 647< / span >   < span class = "keywordflow" > return< / span > depth;< / div >
< div class = "line" > < a name = "l00648" > < / a > < span class = "lineno" > 648< / span >   }< / div >
< div class = "line" > < a name = "l00649" > < / a > < span class = "lineno" > 649< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00650" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#aacc1343585a38bfaa42702e635552837" > 650< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#aacc1343585a38bfaa42702e635552837" > BlossomGraph::Shrink< / a > (EdgeIndex e) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00651" > < / a > < span class = "lineno" > 651< / span >   ++num_shrinks_;< / div >
< div class = "line" > < a name = "l00652" > < / a > < span class = "lineno" > 652< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00653" > < / a > < span class = "lineno" > 653< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00654" > < / a > < span class = "lineno" > 654< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a41347b63abb9f92b02b1705cdae50cad" > DebugEdgeIsTightAndExternal< / a > (edge));< / div >
< div class = "line" > < a name = "l00655" > < / a > < span class = "lineno" > 655< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (nodes_[Tail(edge)].IsPlus());< / div >
< div class = "line" > < a name = "l00656" > < / a > < span class = "lineno" > 656< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (nodes_[Head(edge)].IsPlus());< / div >
< div class = "line" > < a name = "l00657" > < / a > < span class = "lineno" > 657< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (nodes_[Tail(edge)].root, nodes_[Head(edge)].root);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00658" > < / a > < span class = "lineno" > 658< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00659" > < / a > < span class = "lineno" > 659< / span >   < a class = "code" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (Tail(edge), Head(edge)) < < e;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00660" > < / a > < span class = "lineno" > 660< / span >   < / div >
< div class = "line" > < a name = "l00661" > < / a > < span class = "lineno" > 661< / span >   < span class = "comment" > // Find lowest common ancestor and the two node paths to reach it. Note that< / span > < / div >
< div class = "line" > < a name = "l00662" > < / a > < span class = "lineno" > 662< / span >   < span class = "comment" > // we do not add it to the paths.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00663" > < / a > < span class = "lineno" > 663< / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > lca_index = < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#aa58388f09616752263b1fac85c35e432" > kNoNodeIndex< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00664" > < / a > < span class = "lineno" > 664< / span >   std::vector< NodeIndex> tail_path;< / div >
< div class = "line" > < a name = "l00665" > < / a > < span class = "lineno" > 665< / span >   std::vector< NodeIndex> head_path;< / div >
< div class = "line" > < a name = "l00666" > < / a > < span class = "lineno" > 666< / span >   {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00667" > < / a > < span class = "lineno" > 667< / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > = Tail(edge);< / div >
< div class = "line" > < a name = "l00668" > < / a > < span class = "lineno" > 668< / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > = Head(edge);< / div >
< div class = "line" > < a name = "l00669" > < / a > < span class = "lineno" > 669< / span >   < span class = "keywordtype" > int< / span > tail_depth = GetDepth(< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > );< / div >
< div class = "line" > < a name = "l00670" > < / a > < span class = "lineno" > 670< / span >   < span class = "keywordtype" > int< / span > head_depth = GetDepth(< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00671" > < / a > < span class = "lineno" > 671< / span >   < span class = "keywordflow" > if< / span > (tail_depth > head_depth) {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00672" > < / a > < span class = "lineno" > 672< / span >   < a class = "code" href = "namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2" > std::swap< / a > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
< div class = "line" > < a name = "l00673" > < / a > < span class = "lineno" > 673< / span >   < a class = "code" href = "namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2" > std::swap< / a > (tail_depth, head_depth);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00674" > < / a > < span class = "lineno" > 674< / span >   }< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00675" > < / a > < span class = "lineno" > 675< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Shrink " < / span > < < < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > < < < span class = "stringliteral" > " < -> " < / span > < < < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00676" > < / a > < span class = "lineno" > 676< / span >   < / div >
< div class = "line" > < a name = "l00677" > < / a > < span class = "lineno" > 677< / span >   < span class = "keywordflow" > while< / span > (head_depth > tail_depth) {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00678" > < / a > < span class = "lineno" > 678< / span >   head_path.push_back(< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
< div class = "line" > < a name = "l00679" > < / a > < span class = "lineno" > 679< / span >   < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > = nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].parent;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00680" > < / a > < span class = "lineno" > 680< / span >   --head_depth;< / div >
< div class = "line" > < a name = "l00681" > < / a > < span class = "lineno" > 681< / span >   }< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00682" > < / a > < span class = "lineno" > 682< / span >   < span class = "keywordflow" > while< / span > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > != < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00683" > < / a > < span class = "lineno" > 683< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (tail_depth, head_depth);< / div >
< div class = "line" > < a name = "l00684" > < / a > < span class = "lineno" > 684< / span >   < a class = "code" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (tail_depth, 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00685" > < / a > < span class = "lineno" > 685< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "macros_8h.html#a7f536a3b33f9bed8f75734e035d30725" > DEBUG_MODE< / a > ) {< / div >
< div class = "line" > < a name = "l00686" > < / a > < span class = "lineno" > 686< / span >   --tail_depth;< / div >
< div class = "line" > < a name = "l00687" > < / a > < span class = "lineno" > 687< / span >   --head_depth;< / div >
< div class = "line" > < a name = "l00688" > < / a > < span class = "lineno" > 688< / span >   }< / div >
< div class = "line" > < a name = "l00689" > < / a > < span class = "lineno" > 689< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00690" > < / a > < span class = "lineno" > 690< / span >   tail_path.push_back(< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > );< / div >
< div class = "line" > < a name = "l00691" > < / a > < span class = "lineno" > 691< / span >   < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > = nodes_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ].parent;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00692" > < / a > < span class = "lineno" > 692< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00693" > < / a > < span class = "lineno" > 693< / span >   head_path.push_back(< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
< div class = "line" > < a name = "l00694" > < / a > < span class = "lineno" > 694< / span >   < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > = nodes_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ].parent;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00695" > < / a > < span class = "lineno" > 695< / span >   }< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00696" > < / a > < span class = "lineno" > 696< / span >   lca_index = < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ;< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00697" > < / a > < span class = "lineno" > 697< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " LCA " < / span > < < lca_index;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00698" > < / a > < span class = "lineno" > 698< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00699" > < / a > < span class = "lineno" > 699< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & lca = nodes_[lca_index];< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00700" > < / a > < span class = "lineno" > 700< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (lca.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > ());< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00701" > < / a > < span class = "lineno" > 701< / span >   < / div >
< div class = "line" > < a name = "l00702" > < / a > < span class = "lineno" > 702< / span >   < span class = "comment" > // Fill the cycle.< / span > < / div >
< div class = "line" > < a name = "l00703" > < / a > < span class = "lineno" > 703< / span >   std::vector< NodeIndex> blossom = {lca_index};< / div >
< div class = "line" > < a name = "l00704" > < / a > < span class = "lineno" > 704< / span >   std::reverse(head_path.begin(), head_path.end());< / div >
< div class = "line" > < a name = "l00705" > < / a > < span class = "lineno" > 705< / span >   blossom.insert(blossom.end(), head_path.begin(), head_path.end());< / div >
< div class = "line" > < a name = "l00706" > < / a > < span class = "lineno" > 706< / span >   blossom.insert(blossom.end(), tail_path.begin(), tail_path.end());< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00707" > < / a > < span class = "lineno" > 707< / span >   < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (blossom.size() % 2, 1);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00708" > < / a > < span class = "lineno" > 708< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00709" > < / a > < span class = "lineno" > 709< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > tree_dual = nodes_[lca.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > ].tree_dual_delta;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00710" > < / a > < span class = "lineno" > 710< / span >   < / div >
< div class = "line" > < a name = "l00711" > < / a > < span class = "lineno" > 711< / span >   < span class = "comment" > // Save all values that will be needed if we expand this Blossom later.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00712" > < / a > < span class = "lineno" > 712< / span >   < a class = "code" href = "base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6" > CHECK_GT< / a > (blossom.size(), 1);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00713" > < / a > < span class = "lineno" > 713< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & backup_node = nodes_[blossom[1]];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00714" > < / a > < span class = "lineno" > 714< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00715" > < / a > < span class = "lineno" > 715< / span >   backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae812ee39507ef5bd0cb6b58605c7803d" > saved_dual< / a > = lca.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aaac09b61c2e9f87b7b2234836d5a950a" > dual< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00716" > < / a > < span class = "lineno" > 716< / span >   < span class = "preprocessor" > #endif< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00717" > < / a > < span class = "lineno" > 717< / span >   backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a773c851657cfc5a2dbc0fb25958e668a" > saved_pseudo_dual< / a > = lca.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > + tree_dual;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00718" > < / a > < span class = "lineno" > 718< / span >   < / div >
< div class = "line" > < a name = "l00719" > < / a > < span class = "lineno" > 719< / span >   < span class = "comment" > // Set the new dual of the node to zero.< / span > < / div >
< div class = "line" > < a name = "l00720" > < / a > < span class = "lineno" > 720< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00721" > < / a > < span class = "lineno" > 721< / span >   lca.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aaac09b61c2e9f87b7b2234836d5a950a" > dual< / a > = 0;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00722" > < / a > < span class = "lineno" > 722< / span >   < span class = "preprocessor" > #endif< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00723" > < / a > < span class = "lineno" > 723< / span >   lca.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > = -tree_dual;< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00724" > < / a > < span class = "lineno" > 724< / span >   < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > Dual< / a > (lca), 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00725" > < / a > < span class = "lineno" > 725< / span >   < / div >
< div class = "line" > < a name = "l00726" > < / a > < span class = "lineno" > 726< / span >   < span class = "comment" > // Mark node as internal, but do not change their type to zero yet.< / span > < / div >
< div class = "line" > < a name = "l00727" > < / a > < span class = "lineno" > 727< / span >   < span class = "comment" > // We need to do that first to properly detect edges between two internal< / span > < / div >
< div class = "line" > < a name = "l00728" > < / a > < span class = "lineno" > 728< / span >   < span class = "comment" > // nodes in the second loop below.< / span > < / div >
< div class = "line" > < a name = "l00729" > < / a > < span class = "lineno" > 729< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n : blossom) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00730" > < / a > < span class = "lineno" > 730< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " blossom-node: " < / span > < < < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a641610cf698af15f1f8e24741c1fd572" > NodeDebugString< / a > (n);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00731" > < / a > < span class = "lineno" > 731< / span >   < span class = "keywordflow" > if< / span > (n != lca_index) {< / div >
< div class = "line" > < a name = "l00732" > < / a > < span class = "lineno" > 732< / span >   nodes_[n].is_internal = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00733" > < / a > < span class = "lineno" > 733< / span >   }< / div >
< div class = "line" > < a name = "l00734" > < / a > < span class = "lineno" > 734< / span >   }< / div >
< div class = "line" > < a name = "l00735" > < / a > < span class = "lineno" > 735< / span >   < / div >
< div class = "line" > < a name = "l00736" > < / a > < span class = "lineno" > 736< / span >   < span class = "comment" > // Update the dual of all edges and the priority queueus.< / span > < / div >
< div class = "line" > < a name = "l00737" > < / a > < span class = "lineno" > 737< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n : blossom) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00738" > < / a > < span class = "lineno" > 738< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & mutable_node = nodes_[n];< / div >
< div class = "line" > < a name = "l00739" > < / a > < span class = "lineno" > 739< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > was_minus = mutable_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#af7b352e9f09d2400d7686572bec02ef1" > IsMinus< / a > ();< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00740" > < / a > < span class = "lineno" > 740< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > slack_adjust =< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00741" > < / a > < span class = "lineno" > 741< / span >   mutable_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#af7b352e9f09d2400d7686572bec02ef1" > IsMinus< / a > () ? tree_dual : -tree_dual;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00742" > < / a > < span class = "lineno" > 742< / span >   < span class = "keywordflow" > if< / span > (n != lca_index) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00743" > < / a > < span class = "lineno" > 743< / span >   mutable_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > -= slack_adjust;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00744" > < / a > < span class = "lineno" > 744< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00745" > < / a > < span class = "lineno" > 745< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (mutable_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aaac09b61c2e9f87b7b2234836d5a950a" > dual< / a > , mutable_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00746" > < / a > < span class = "lineno" > 746< / span >   < span class = "preprocessor" > #endif< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00747" > < / a > < span class = "lineno" > 747< / span >   mutable_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > = 0;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00748" > < / a > < span class = "lineno" > 748< / span >   }< / div >
< div class = "line" > < a name = "l00749" > < / a > < span class = "lineno" > 749< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(n)) {< / div >
< div class = "line" > < a name = "l00750" > < / a > < span class = "lineno" > 750< / span >   < span class = "comment" > // Subtle: We update root_blossom_node_ while we loop, so for new internal< / span > < / div >
< div class = "line" > < a name = "l00751" > < / a > < span class = "lineno" > 751< / span >   < span class = "comment" > // edges, depending if an edge " other end" appear after or before, it will< / span > < / div >
< div class = "line" > < a name = "l00752" > < / a > < span class = "lineno" > 752< / span >   < span class = "comment" > // not be updated. We use this to only process internal edges once.< / span > < / div >
< div class = "line" > < a name = "l00753" > < / a > < span class = "lineno" > 753< / span >   root_blossom_node_[subnode] = lca_index;< / div >
< div class = "line" > < a name = "l00754" > < / a > < span class = "lineno" > 754< / span >   < / div >
< div class = "line" > < a name = "l00755" > < / a > < span class = "lineno" > 755< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[subnode]) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00756" > < / a > < span class = "lineno" > 756< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00757" > < / a > < span class = "lineno" > 757< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > other_end = OtherEnd(edge, subnode);< / div >
< div class = "line" > < a name = "l00758" > < / a > < span class = "lineno" > 758< / span >   < / div >
< div class = "line" > < a name = "l00759" > < / a > < span class = "lineno" > 759< / span >   < span class = "comment" > // Skip edge that are already internal.< / span > < / div >
< div class = "line" > < a name = "l00760" > < / a > < span class = "lineno" > 760< / span >   < span class = "keywordflow" > if< / span > (other_end == n) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00761" > < / a > < span class = "lineno" > 761< / span >   < / div >
< div class = "line" > < a name = "l00762" > < / a > < span class = "lineno" > 762< / span >   < span class = "comment" > // This internal edge was already processed from its other end, so we< / span > < / div >
< div class = "line" > < a name = "l00763" > < / a > < span class = "lineno" > 763< / span >   < span class = "comment" > // can just skip it.< / span > < / div >
< div class = "line" > < a name = "l00764" > < / a > < span class = "lineno" > 764< / span >   < span class = "keywordflow" > if< / span > (other_end == lca_index) {< / div >
< div class = "line" > < a name = "l00765" > < / a > < span class = "lineno" > 765< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00766" > < / a > < span class = "lineno" > 766< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a015731c5f4abd13de18e78c4e4bb35ce" > slack< / a > , < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00767" > < / a > < span class = "lineno" > 767< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00768" > < / a > < span class = "lineno" > 768< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00769" > < / a > < span class = "lineno" > 769< / span >   }< / div >
< div class = "line" > < a name = "l00770" > < / a > < span class = "lineno" > 770< / span >   < / div >
< div class = "line" > < a name = "l00771" > < / a > < span class = "lineno" > 771< / span >   < span class = "comment" > // This is a new-internal edge that we didn' t proccess yet.< / span > < / div >
< div class = "line" > < a name = "l00772" > < / a > < span class = "lineno" > 772< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00773" > < / a > < span class = "lineno" > 773< / span >   < span class = "comment" > // TODO(user): It would be nicer to not to have to read the memory of< / span > < / div >
< div class = "line" > < a name = "l00774" > < / a > < span class = "lineno" > 774< / span >   < span class = "comment" > // the other node at all. It might be possible once we store the< / span > < / div >
< div class = "line" > < a name = "l00775" > < / a > < span class = "lineno" > 775< / span >   < span class = "comment" > // parent edge instead of the parent node since then we will only need< / span > < / div >
< div class = "line" > < a name = "l00776" > < / a > < span class = "lineno" > 776< / span >   < span class = "comment" > // to know if this edges point to a new-internal node or not.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00777" > < / a > < span class = "lineno" > 777< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & mutable_other_node = nodes_[other_end];< / div >
< div class = "line" > < a name = "l00778" > < / a > < span class = "lineno" > 778< / span >   < span class = "keywordflow" > if< / span > (mutable_other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aab699e604962539cc9305c4e496032a5" > is_internal< / a > ) {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00779" > < / a > < span class = "lineno" > 779< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_free_pq_.Contains(& edge));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00780" > < / a > < span class = "lineno" > 780< / span >   < span class = "keywordflow" > if< / span > (plus_plus_pq_.Contains(& edge)) plus_plus_pq_.Remove(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00781" > < / a > < span class = "lineno" > 781< / span >   edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > += slack_adjust;< / div >
< div class = "line" > < a name = "l00782" > < / a > < span class = "lineno" > 782< / span >   edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > +=< / div >
< div class = "line" > < a name = "l00783" > < / a > < span class = "lineno" > 783< / span >   mutable_other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#af7b352e9f09d2400d7686572bec02ef1" > IsMinus< / a > () ? tree_dual : -tree_dual;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00784" > < / a > < span class = "lineno" > 784< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00785" > < / a > < span class = "lineno" > 785< / span >   }< / div >
< div class = "line" > < a name = "l00786" > < / a > < span class = "lineno" > 786< / span >   < / div >
< div class = "line" > < a name = "l00787" > < / a > < span class = "lineno" > 787< / span >   < span class = "comment" > // Replace the parent of any child of n by lca_index.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00788" > < / a > < span class = "lineno" > 788< / span >   < span class = "keywordflow" > if< / span > (mutable_other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > == n) {< / div >
< div class = "line" > < a name = "l00789" > < / a > < span class = "lineno" > 789< / span >   mutable_other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > = lca_index;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00790" > < / a > < span class = "lineno" > 790< / span >   }< / div >
< div class = "line" > < a name = "l00791" > < / a > < span class = "lineno" > 791< / span >   < / div >
< div class = "line" > < a name = "l00792" > < / a > < span class = "lineno" > 792< / span >   < span class = "comment" > // Adjust when the edge used to be connected to a [-] node now that we< / span > < / div >
< div class = "line" > < a name = "l00793" > < / a > < span class = "lineno" > 793< / span >   < span class = "comment" > // attach it to a [+] node. Note that if the node was [+] then the< / span > < / div >
< div class = "line" > < a name = "l00794" > < / a > < span class = "lineno" > 794< / span >   < span class = "comment" > // non-internal incident edges slack and type do not change.< / span > < / div >
< div class = "line" > < a name = "l00795" > < / a > < span class = "lineno" > 795< / span >   < span class = "keywordflow" > if< / span > (was_minus) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00796" > < / a > < span class = "lineno" > 796< / span >   edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > += 2 * tree_dual;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00797" > < / a > < span class = "lineno" > 797< / span >   < / div >
< div class = "line" > < a name = "l00798" > < / a > < span class = "lineno" > 798< / span >   < span class = "comment" > // Add it to the correct PQ.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00799" > < / a > < span class = "lineno" > 799< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_plus_pq_.Contains(& edge));< / div >
< div class = "line" > < a name = "l00800" > < / a > < span class = "lineno" > 800< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_free_pq_.Contains(& edge));< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00801" > < / a > < span class = "lineno" > 801< / span >   < span class = "keywordflow" > if< / span > (mutable_other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > ()) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00802" > < / a > < span class = "lineno" > 802< / span >   plus_plus_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00803" > < / a > < span class = "lineno" > 803< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > == 2 * tree_dual) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00804" > < / a > < span class = "lineno" > 804< / span >   primal_update_edge_queue_.push_back(e);< / div >
< div class = "line" > < a name = "l00805" > < / a > < span class = "lineno" > 805< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00806" > < / a > < span class = "lineno" > 806< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (mutable_other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a48a8004385fae256a9c93d353016bea1" > IsFree< / a > ()) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00807" > < / a > < span class = "lineno" > 807< / span >   plus_free_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00808" > < / a > < span class = "lineno" > 808< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > == tree_dual) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00809" > < / a > < span class = "lineno" > 809< / span >   primal_update_edge_queue_.push_back(e);< / div >
< div class = "line" > < a name = "l00810" > < / a > < span class = "lineno" > 810< / span >   }< / div >
< div class = "line" > < a name = "l00811" > < / a > < span class = "lineno" > 811< / span >   }< / div >
< div class = "line" > < a name = "l00812" > < / a > < span class = "lineno" > 812< / span >   }< / div >
< div class = "line" > < a name = "l00813" > < / a > < span class = "lineno" > 813< / span >   < / div >
< div class = "line" > < a name = "l00814" > < / a > < span class = "lineno" > 814< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00815" > < / a > < span class = "lineno" > 815< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a015731c5f4abd13de18e78c4e4bb35ce" > slack< / a > , < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00816" > < / a > < span class = "lineno" > 816< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00817" > < / a > < span class = "lineno" > 817< / span >   }< / div >
< div class = "line" > < a name = "l00818" > < / a > < span class = "lineno" > 818< / span >   }< / div >
< div class = "line" > < a name = "l00819" > < / a > < span class = "lineno" > 819< / span >   }< / div >
< div class = "line" > < a name = "l00820" > < / a > < span class = "lineno" > 820< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00821" > < / a > < span class = "lineno" > 821< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aa5998e93c946a8c5ec1626dee2915555" > saved_blossom< / a > .empty());< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00822" > < / a > < span class = "lineno" > 822< / span >   backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aa5998e93c946a8c5ec1626dee2915555" > saved_blossom< / a > = std::move(lca.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > blossom< / a > );< / div >
< div class = "line" > < a name = "l00823" > < / a > < span class = "lineno" > 823< / span >   lca.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > blossom< / a > = std::move(blossom);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00824" > < / a > < span class = "lineno" > 824< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00825" > < / a > < span class = "lineno" > 825< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " S result " < / span > < < < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a641610cf698af15f1f8e24741c1fd572" > NodeDebugString< / a > (lca_index);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00826" > < / a > < span class = "lineno" > 826< / span >   }< / div >
< div class = "line" > < a name = "l00827" > < / a > < span class = "lineno" > 827< / span >   < / div >
< div class = "line" > < a name = "l00828" > < / a > < span class = "lineno" > 828< / span >   BlossomGraph::EdgeIndex BlossomGraph::FindTightExternalEdgeBetweenNodes(< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00829" > < / a > < span class = "lineno" > 829< / span >   < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ) {< / div >
< div class = "line" > < a name = "l00830" > < / a > < span class = "lineno" > 830< / span >   < a class = "code" href = "base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0" > DCHECK_NE< / a > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > );< / div >
< div class = "line" > < a name = "l00831" > < / a > < span class = "lineno" > 831< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > , root_blossom_node_[< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > ]);< / div >
< div class = "line" > < a name = "l00832" > < / a > < span class = "lineno" > 832< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > , root_blossom_node_[< a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > ]);< / div >
< div class = "line" > < a name = "l00833" > < / a > < span class = "lineno" > 833< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(< a class = "code" href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > )) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00834" > < / a > < span class = "lineno" > 834< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[subnode]) {< / div >
< div class = "line" > < a name = "l00835" > < / a > < span class = "lineno" > 835< / span >   < span class = "keyword" > const< / span > Edge& edge = edges_[e];< / div >
< div class = "line" > < a name = "l00836" > < / a > < span class = "lineno" > 836< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > other_end = OtherEnd(edge, subnode);< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00837" > < / a > < span class = "lineno" > 837< / span >   < span class = "keywordflow" > if< / span > (other_end == < a class = "code" href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > & & < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge) == 0) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00838" > < / a > < span class = "lineno" > 838< / span >   < span class = "keywordflow" > return< / span > e;< / div >
< div class = "line" > < a name = "l00839" > < / a > < span class = "lineno" > 839< / span >   }< / div >
< div class = "line" > < a name = "l00840" > < / a > < span class = "lineno" > 840< / span >   }< / div >
< div class = "line" > < a name = "l00841" > < / a > < span class = "lineno" > 841< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00842" > < / a > < span class = "lineno" > 842< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a8a0d1ac19aba17d0f2d52d15a049dc2c" > kNoEdgeIndex< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00843" > < / a > < span class = "lineno" > 843< / span >   }< / div >
< div class = "line" > < a name = "l00844" > < / a > < span class = "lineno" > 844< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00845" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#abf9aa973816e638a2b972b595d952c0e" > 845< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#abf9aa973816e638a2b972b595d952c0e" > BlossomGraph::Expand< / a > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > to_expand) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00846" > < / a > < span class = "lineno" > 846< / span >   ++num_expands_;< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00847" > < / a > < span class = "lineno" > 847< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Expand " < / span > < < to_expand;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00848" > < / a > < span class = "lineno" > 848< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00849" > < / a > < span class = "lineno" > 849< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node_to_expand = nodes_[to_expand];< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00850" > < / a > < span class = "lineno" > 850< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0d7fbff09819deb796dfbcb6370b12b2" > IsBlossom< / a > ());< / div >
< div class = "line" > < a name = "l00851" > < / a > < span class = "lineno" > 851< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#af7b352e9f09d2400d7686572bec02ef1" > IsMinus< / a > ());< / div >
< div class = "line" > < a name = "l00852" > < / a > < span class = "lineno" > 852< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > Dual< / a > (node_to_expand), 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00853" > < / a > < span class = "lineno" > 853< / span >   < / div >
< div class = "line" > < a name = "l00854" > < / a > < span class = "lineno" > 854< / span >   < span class = "keyword" > const< / span > EdgeIndex match_edge_index =< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00855" > < / a > < span class = "lineno" > 855< / span >   FindTightExternalEdgeBetweenNodes(to_expand, node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00856" > < / a > < span class = "lineno" > 856< / span >   < span class = "keyword" > const< / span > EdgeIndex parent_edge_index =< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00857" > < / a > < span class = "lineno" > 857< / span >   FindTightExternalEdgeBetweenNodes(to_expand, node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00858" > < / a > < span class = "lineno" > 858< / span >   < / div >
< div class = "line" > < a name = "l00859" > < / a > < span class = "lineno" > 859< / span >   < span class = "comment" > // First, restore the saved fields.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00860" > < / a > < span class = "lineno" > 860< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & backup_node = nodes_[node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > blossom< / a > [1]];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00861" > < / a > < span class = "lineno" > 861< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00862" > < / a > < span class = "lineno" > 862< / span >   node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aaac09b61c2e9f87b7b2234836d5a950a" > dual< / a > = backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae812ee39507ef5bd0cb6b58605c7803d" > saved_dual< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00863" > < / a > < span class = "lineno" > 863< / span >   < span class = "preprocessor" > #endif< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00864" > < / a > < span class = "lineno" > 864< / span >   node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > = backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a773c851657cfc5a2dbc0fb25958e668a" > saved_pseudo_dual< / a > ;< / div >
< div class = "line" > < a name = "l00865" > < / a > < span class = "lineno" > 865< / span >   std::vector< NodeIndex> blossom = std::move(node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > blossom< / a > );< / div >
< div class = "line" > < a name = "l00866" > < / a > < span class = "lineno" > 866< / span >   node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > blossom< / a > = std::move(backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aa5998e93c946a8c5ec1626dee2915555" > saved_blossom< / a > );< / div >
< div class = "line" > < a name = "l00867" > < / a > < span class = "lineno" > 867< / span >   backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aa5998e93c946a8c5ec1626dee2915555" > saved_blossom< / a > .clear();< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00868" > < / a > < span class = "lineno" > 868< / span >   < / div >
< div class = "line" > < a name = "l00869" > < / a > < span class = "lineno" > 869< / span >   < span class = "comment" > // Restore the edges Head()/Tail().< / span > < / div >
< div class = "line" > < a name = "l00870" > < / a > < span class = "lineno" > 870< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n : blossom) {< / div >
< div class = "line" > < a name = "l00871" > < / a > < span class = "lineno" > 871< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(n)) {< / div >
< div class = "line" > < a name = "l00872" > < / a > < span class = "lineno" > 872< / span >   root_blossom_node_[subnode] = n;< / div >
< div class = "line" > < a name = "l00873" > < / a > < span class = "lineno" > 873< / span >   }< / div >
< div class = "line" > < a name = "l00874" > < / a > < span class = "lineno" > 874< / span >   }< / div >
< div class = "line" > < a name = "l00875" > < / a > < span class = "lineno" > 875< / span >   < / div >
< div class = "line" > < a name = "l00876" > < / a > < span class = "lineno" > 876< / span >   < span class = "comment" > // Now we try to find a ' blossom path' that will replace the blossom node in< / span > < / div >
< div class = "line" > < a name = "l00877" > < / a > < span class = "lineno" > 877< / span >   < span class = "comment" > // the alternating tree: the blossom' s parent [+] node in the tree will be< / span > < / div >
< div class = "line" > < a name = "l00878" > < / a > < span class = "lineno" > 878< / span >   < span class = "comment" > // attached to a blossom subnode (the " path start" ), the blossom' s child in< / span > < / div >
< div class = "line" > < a name = "l00879" > < / a > < span class = "lineno" > 879< / span >   < span class = "comment" > // the tree will be attached to a blossom subnode (the " path end" , which could< / span > < / div >
< div class = "line" > < a name = "l00880" > < / a > < span class = "lineno" > 880< / span >   < span class = "comment" > // be the same subnode or a different one), and, using the blossom cycle,< / span > < / div >
< div class = "line" > < a name = "l00881" > < / a > < span class = "lineno" > 881< / span >   < span class = "comment" > // we' ll get a path with an odd number of blossom subnodes to connect the two< / span > < / div >
< div class = "line" > < a name = "l00882" > < / a > < span class = "lineno" > 882< / span >   < span class = "comment" > // (since the cycle is odd, one of the two paths will be odd too). The other< / span > < / div >
< div class = "line" > < a name = "l00883" > < / a > < span class = "lineno" > 883< / span >   < span class = "comment" > // subnodes of the blossom will then be made free nodes matched pairwise.< / span > < / div >
< div class = "line" > < a name = "l00884" > < / a > < span class = "lineno" > 884< / span >   < span class = "keywordtype" > int< / span > blossom_path_start = -1;< / div >
< div class = "line" > < a name = "l00885" > < / a > < span class = "lineno" > 885< / span >   < span class = "keywordtype" > int< / span > blossom_path_end = -1;< / div >
< div class = "line" > < a name = "l00886" > < / a > < span class = "lineno" > 886< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > start_node = OtherEndFromExternalNode(< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00887" > < / a > < span class = "lineno" > 887< / span >   edges_[parent_edge_index], node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00888" > < / a > < span class = "lineno" > 888< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > end_node =< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00889" > < / a > < span class = "lineno" > 889< / span >   OtherEndFromExternalNode(edges_[match_edge_index], node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00890" > < / a > < span class = "lineno" > 890< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < blossom.size(); ++i) {< / div >
< div class = "line" > < a name = "l00891" > < / a > < span class = "lineno" > 891< / span >   < span class = "keywordflow" > if< / span > (blossom[i] == start_node) blossom_path_start = i;< / div >
< div class = "line" > < a name = "l00892" > < / a > < span class = "lineno" > 892< / span >   < span class = "keywordflow" > if< / span > (blossom[i] == end_node) blossom_path_end = i;< / div >
< div class = "line" > < a name = "l00893" > < / a > < span class = "lineno" > 893< / span >   }< / div >
< div class = "line" > < a name = "l00894" > < / a > < span class = "lineno" > 894< / span >   < / div >
< div class = "line" > < a name = "l00895" > < / a > < span class = "lineno" > 895< / span >   < span class = "comment" > // Split the cycle in two halves: nodes in [start..end] in path1, and< / span > < / div >
< div class = "line" > < a name = "l00896" > < / a > < span class = "lineno" > 896< / span >   < span class = "comment" > // nodes in [end..start] in path2. Note the inclusive intervals.< / span > < / div >
< div class = "line" > < a name = "l00897" > < / a > < span class = "lineno" > 897< / span >   < span class = "keyword" > const< / span > std::vector< NodeIndex> & cycle = blossom;< / div >
< div class = "line" > < a name = "l00898" > < / a > < span class = "lineno" > 898< / span >   std::vector< NodeIndex> path1;< / div >
< div class = "line" > < a name = "l00899" > < / a > < span class = "lineno" > 899< / span >   std::vector< NodeIndex> path2;< / div >
< div class = "line" > < a name = "l00900" > < / a > < span class = "lineno" > 900< / span >   {< / div >
< div class = "line" > < a name = "l00901" > < / a > < span class = "lineno" > 901< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > end_offset =< / div >
< div class = "line" > < a name = "l00902" > < / a > < span class = "lineno" > 902< / span >   (blossom_path_end + cycle.size() - blossom_path_start) % cycle.size();< / div >
< div class = "line" > < a name = "l00903" > < / a > < span class = "lineno" > 903< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > offset = 0; offset < = < span class = "comment" > /*or equal*/< / span > cycle.size(); ++offset) {< / div >
< div class = "line" > < a name = "l00904" > < / a > < span class = "lineno" > 904< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > node =< / div >
< div class = "line" > < a name = "l00905" > < / a > < span class = "lineno" > 905< / span >   cycle[(blossom_path_start + offset) % cycle.size()];< / div >
< div class = "line" > < a name = "l00906" > < / a > < span class = "lineno" > 906< / span >   < span class = "keywordflow" > if< / span > (offset < = end_offset) path1.push_back(node);< / div >
< div class = "line" > < a name = "l00907" > < / a > < span class = "lineno" > 907< / span >   < span class = "keywordflow" > if< / span > (offset > = end_offset) path2.push_back(node);< / div >
< div class = "line" > < a name = "l00908" > < / a > < span class = "lineno" > 908< / span >   }< / div >
< div class = "line" > < a name = "l00909" > < / a > < span class = "lineno" > 909< / span >   }< / div >
< div class = "line" > < a name = "l00910" > < / a > < span class = "lineno" > 910< / span >   < / div >
< div class = "line" > < a name = "l00911" > < / a > < span class = "lineno" > 911< / span >   < span class = "comment" > // Reverse path2 to also make it go from start to end.< / span > < / div >
< div class = "line" > < a name = "l00912" > < / a > < span class = "lineno" > 912< / span >   std::reverse(path2.begin(), path2.end());< / div >
< div class = "line" > < a name = "l00913" > < / a > < span class = "lineno" > 913< / span >   < / div >
< div class = "line" > < a name = "l00914" > < / a > < span class = "lineno" > 914< / span >   < span class = "comment" > // Swap if necessary so that path1 is the odd-length one.< / span > < / div >
< div class = "line" > < a name = "l00915" > < / a > < span class = "lineno" > 915< / span >   < span class = "keywordflow" > if< / span > (path1.size() % 2 == 0) path1.swap(path2);< / div >
< div class = "line" > < a name = "l00916" > < / a > < span class = "lineno" > 916< / span >   < / div >
< div class = "line" > < a name = "l00917" > < / a > < span class = "lineno" > 917< / span >   < span class = "comment" > // Use better aliases than ' path1' and ' path2' in the code below.< / span > < / div >
< div class = "line" > < a name = "l00918" > < / a > < span class = "lineno" > 918< / span >   std::vector< NodeIndex> & path_in_tree = path1;< / div >
< div class = "line" > < a name = "l00919" > < / a > < span class = "lineno" > 919< / span >   < span class = "keyword" > const< / span > std::vector< NodeIndex> & free_pairs = path2;< / div >
< div class = "line" > < a name = "l00920" > < / a > < span class = "lineno" > 920< / span >   < / div >
< div class = "line" > < a name = "l00921" > < / a > < span class = "lineno" > 921< / span >   < span class = "comment" > // Strip path2 from the start and end, which aren' t needed.< / span > < / div >
< div class = "line" > < a name = "l00922" > < / a > < span class = "lineno" > 922< / span >   path2.erase(path2.begin());< / div >
< div class = "line" > < a name = "l00923" > < / a > < span class = "lineno" > 923< / span >   path2.pop_back();< / div >
< div class = "line" > < a name = "l00924" > < / a > < span class = "lineno" > 924< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00925" > < / a > < span class = "lineno" > 925< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > blossom_matched_node = node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > ;< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00926" > < / a > < span class = "lineno" > 926< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Path [" < / span > < / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00927" > < / a > < span class = "lineno" > 927< / span >   < < absl::StrJoin(path_in_tree, < span class = "stringliteral" > " , " < / span > , absl::StreamFormatter())< / div >
< div class = "line" > < a name = "l00928" > < / a > < span class = "lineno" > 928< / span >   < < < span class = "stringliteral" > " ] === " < / span > < < blossom_matched_node;< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00929" > < / a > < span class = "lineno" > 929< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (2) < < < span class = "stringliteral" > " Pairs [" < / span > < / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00930" > < / a > < span class = "lineno" > 930< / span >   < < absl::StrJoin(free_pairs, < span class = "stringliteral" > " , " < / span > , absl::StreamFormatter()) < < < span class = "stringliteral" > " ]" < / span > ;< / div >
< div class = "line" > < a name = "l00931" > < / a > < span class = "lineno" > 931< / span >   < / div >
< div class = "line" > < a name = "l00932" > < / a > < span class = "lineno" > 932< / span >   < span class = "comment" > // Restore the path in the tree, note that we append the blossom_matched_node< / span > < / div >
< div class = "line" > < a name = "l00933" > < / a > < span class = "lineno" > 933< / span >   < span class = "comment" > // to simplify the code:< / span > < / div >
< div class = "line" > < a name = "l00934" > < / a > < span class = "lineno" > 934< / span >   < span class = "comment" > // < ---- Blossom ----> < / span > < / div >
< div class = "line" > < a name = "l00935" > < / a > < span class = "lineno" > 935< / span >   < span class = "comment" > // [-] === [+] --- [-] === [+]< / span > < / div >
< div class = "line" > < a name = "l00936" > < / a > < span class = "lineno" > 936< / span >   path_in_tree.push_back(blossom_matched_node);< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00937" > < / a > < span class = "lineno" > 937< / span >   < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (path_in_tree.size() % 2, 0);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00938" > < / a > < span class = "lineno" > 938< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > tree_dual = nodes_[node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > ].tree_dual_delta;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00939" > < / a > < span class = "lineno" > 939< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < path_in_tree.size(); ++i) {< / div >
< div class = "line" > < a name = "l00940" > < / a > < span class = "lineno" > 940< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n = path_in_tree[i];< / div >
< div class = "line" > < a name = "l00941" > < / a > < span class = "lineno" > 941< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > node_is_plus = i % 2;< / div >
< div class = "line" > < a name = "l00942" > < / a > < span class = "lineno" > 942< / span >   < / div >
< div class = "line" > < a name = "l00943" > < / a > < span class = "lineno" > 943< / span >   < span class = "comment" > // Update the parent.< / span > < / div >
< div class = "line" > < a name = "l00944" > < / a > < span class = "lineno" > 944< / span >   < span class = "keywordflow" > if< / span > (i == 0) {< / div >
< div class = "line" > < a name = "l00945" > < / a > < span class = "lineno" > 945< / span >   < span class = "comment" > // This is the path start and its parent is either itself or the parent of< / span > < / div >
< div class = "line" > < a name = "l00946" > < / a > < span class = "lineno" > 946< / span >   < span class = "comment" > // to_expand if there was one.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00947" > < / a > < span class = "lineno" > 947< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > != to_expand || n == to_expand);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00948" > < / a > < span class = "lineno" > 948< / span >   nodes_[n].parent = node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00949" > < / a > < span class = "lineno" > 949< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00950" > < / a > < span class = "lineno" > 950< / span >   nodes_[n].parent = path_in_tree[i - 1];< / div >
< div class = "line" > < a name = "l00951" > < / a > < span class = "lineno" > 951< / span >   }< / div >
< div class = "line" > < a name = "l00952" > < / a > < span class = "lineno" > 952< / span >   < / div >
< div class = "line" > < a name = "l00953" > < / a > < span class = "lineno" > 953< / span >   < span class = "comment" > // Update the types and matches.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00954" > < / a > < span class = "lineno" > 954< / span >   nodes_[n].root = node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00955" > < / a > < span class = "lineno" > 955< / span >   nodes_[n].type = node_is_plus ? 1 : -1;< / div >
< div class = "line" > < a name = "l00956" > < / a > < span class = "lineno" > 956< / span >   nodes_[n].match = path_in_tree[node_is_plus ? i - 1 : i + 1];< / div >
< div class = "line" > < a name = "l00957" > < / a > < span class = "lineno" > 957< / span >   < / div >
< div class = "line" > < a name = "l00958" > < / a > < span class = "lineno" > 958< / span >   < span class = "comment" > // Ignore the blossom_matched_node for the code below.< / span > < / div >
< div class = "line" > < a name = "l00959" > < / a > < span class = "lineno" > 959< / span >   < span class = "keywordflow" > if< / span > (i + 1 == path_in_tree.size()) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00960" > < / a > < span class = "lineno" > 960< / span >   < / div >
< div class = "line" > < a name = "l00961" > < / a > < span class = "lineno" > 961< / span >   < span class = "comment" > // Update the duals, depending on whether we have a new [+] or [-] node.< / span > < / div >
< div class = "line" > < a name = "l00962" > < / a > < span class = "lineno" > 962< / span >   < span class = "comment" > // Note that this is also needed for the ' root' blossom node (i=0), because< / span > < / div >
< div class = "line" > < a name = "l00963" > < / a > < span class = "lineno" > 963< / span >   < span class = "comment" > // we' ve restored its pseudo-dual from its old saved value above.< / span > < / div >
< div class = "line" > < a name = "l00964" > < / a > < span class = "lineno" > 964< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > adjust = node_is_plus ? -tree_dual : tree_dual;< / div >
< div class = "line" > < a name = "l00965" > < / a > < span class = "lineno" > 965< / span >   nodes_[n].pseudo_dual += adjust;< / div >
< div class = "line" > < a name = "l00966" > < / a > < span class = "lineno" > 966< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(n)) {< / div >
< div class = "line" > < a name = "l00967" > < / a > < span class = "lineno" > 967< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[subnode]) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00968" > < / a > < span class = "lineno" > 968< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00969" > < / a > < span class = "lineno" > 969< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > other_end = OtherEnd(edge, subnode);< / div >
< div class = "line" > < a name = "l00970" > < / a > < span class = "lineno" > 970< / span >   < span class = "keywordflow" > if< / span > (other_end == n) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00971" > < / a > < span class = "lineno" > 971< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00972" > < / a > < span class = "lineno" > 972< / span >   edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > -= adjust;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00973" > < / a > < span class = "lineno" > 973< / span >   < / div >
< div class = "line" > < a name = "l00974" > < / a > < span class = "lineno" > 974< / span >   < span class = "comment" > // non-internal edges used to be attached to the [-] node_to_expand,< / span > < / div >
< div class = "line" > < a name = "l00975" > < / a > < span class = "lineno" > 975< / span >   < span class = "comment" > // so we adjust their dual.< / span > < / div >
< div class = "line" > < a name = "l00976" > < / a > < span class = "lineno" > 976< / span >   < span class = "keywordflow" > if< / span > (other_end != to_expand & & !nodes_[other_end].is_internal) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00977" > < / a > < span class = "lineno" > 977< / span >   edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > += tree_dual;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00978" > < / a > < span class = "lineno" > 978< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00979" > < / a > < span class = "lineno" > 979< / span >   < span class = "comment" > // This was an internal edges. For the PQ code below to be correct, we< / span > < / div >
< div class = "line" > < a name = "l00980" > < / a > < span class = "lineno" > 980< / span >   < span class = "comment" > // wait for its other end to have been processed by this loop already.< / span > < / div >
< div class = "line" > < a name = "l00981" > < / a > < span class = "lineno" > 981< / span >   < span class = "comment" > // We detect that using the fact that the type of unprocessed internal< / span > < / div >
< div class = "line" > < a name = "l00982" > < / a > < span class = "lineno" > 982< / span >   < span class = "comment" > // node is still zero.< / span > < / div >
< div class = "line" > < a name = "l00983" > < / a > < span class = "lineno" > 983< / span >   < span class = "keywordflow" > if< / span > (nodes_[other_end].type == 0) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00984" > < / a > < span class = "lineno" > 984< / span >   }< / div >
< div class = "line" > < a name = "l00985" > < / a > < span class = "lineno" > 985< / span >   < / div >
< div class = "line" > < a name = "l00986" > < / a > < span class = "lineno" > 986< / span >   < span class = "comment" > // Update edge queues.< / span > < / div >
< div class = "line" > < a name = "l00987" > < / a > < span class = "lineno" > 987< / span >   < span class = "keywordflow" > if< / span > (node_is_plus) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00988" > < / a > < span class = "lineno" > 988< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & other_node = nodes_[other_end];< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00989" > < / a > < span class = "lineno" > 989< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_plus_pq_.Contains(& edge));< / div >
< div class = "line" > < a name = "l00990" > < / a > < span class = "lineno" > 990< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_free_pq_.Contains(& edge));< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00991" > < / a > < span class = "lineno" > 991< / span >   < span class = "keywordflow" > if< / span > (other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > IsPlus< / a > ()) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00992" > < / a > < span class = "lineno" > 992< / span >   plus_plus_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00993" > < / a > < span class = "lineno" > 993< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > == 2 * tree_dual) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00994" > < / a > < span class = "lineno" > 994< / span >   primal_update_edge_queue_.push_back(e);< / div >
< div class = "line" > < a name = "l00995" > < / a > < span class = "lineno" > 995< / span >   }< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00996" > < / a > < span class = "lineno" > 996< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (other_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a48a8004385fae256a9c93d353016bea1" > IsFree< / a > ()) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00997" > < / a > < span class = "lineno" > 997< / span >   plus_free_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l00998" > < / a > < span class = "lineno" > 998< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > == tree_dual) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l00999" > < / a > < span class = "lineno" > 999< / span >   primal_update_edge_queue_.push_back(e);< / div >
< div class = "line" > < a name = "l01000" > < / a > < span class = "lineno" > 1000< / span >   }< / div >
< div class = "line" > < a name = "l01001" > < / a > < span class = "lineno" > 1001< / span >   }< / div >
< div class = "line" > < a name = "l01002" > < / a > < span class = "lineno" > 1002< / span >   }< / div >
< div class = "line" > < a name = "l01003" > < / a > < span class = "lineno" > 1003< / span >   }< / div >
< div class = "line" > < a name = "l01004" > < / a > < span class = "lineno" > 1004< / span >   }< / div >
< div class = "line" > < a name = "l01005" > < / a > < span class = "lineno" > 1005< / span >   }< / div >
< div class = "line" > < a name = "l01006" > < / a > < span class = "lineno" > 1006< / span >   < / div >
< div class = "line" > < a name = "l01007" > < / a > < span class = "lineno" > 1007< / span >   < span class = "comment" > // Update free nodes.< / span > < / div >
< div class = "line" > < a name = "l01008" > < / a > < span class = "lineno" > 1008< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n : free_pairs) {< / div >
< div class = "line" > < a name = "l01009" > < / a > < span class = "lineno" > 1009< / span >   nodes_[n].type = 0;< / div >
< div class = "line" > < a name = "l01010" > < / a > < span class = "lineno" > 1010< / span >   nodes_[n].parent = n;< / div >
< div class = "line" > < a name = "l01011" > < / a > < span class = "lineno" > 1011< / span >   nodes_[n].root = n;< / div >
< div class = "line" > < a name = "l01012" > < / a > < span class = "lineno" > 1012< / span >   < / div >
< div class = "line" > < a name = "l01013" > < / a > < span class = "lineno" > 1013< / span >   < span class = "comment" > // Update edges slack and priority queue for the adjacent edges.< / span > < / div >
< div class = "line" > < a name = "l01014" > < / a > < span class = "lineno" > 1014< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(n)) {< / div >
< div class = "line" > < a name = "l01015" > < / a > < span class = "lineno" > 1015< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[subnode]) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01016" > < / a > < span class = "lineno" > 1016< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01017" > < / a > < span class = "lineno" > 1017< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > other_end = OtherEnd(edge, subnode);< / div >
< div class = "line" > < a name = "l01018" > < / a > < span class = "lineno" > 1018< / span >   < span class = "keywordflow" > if< / span > (other_end == n) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l01019" > < / a > < span class = "lineno" > 1019< / span >   < / div >
< div class = "line" > < a name = "l01020" > < / a > < span class = "lineno" > 1020< / span >   < span class = "comment" > // non-internal edges used to be attached to the [-] node_to_expand,< / span > < / div >
< div class = "line" > < a name = "l01021" > < / a > < span class = "lineno" > 1021< / span >   < span class = "comment" > // so we adjust their dual.< / span > < / div >
< div class = "line" > < a name = "l01022" > < / a > < span class = "lineno" > 1022< / span >   < span class = "keywordflow" > if< / span > (other_end != to_expand & & !nodes_[other_end].is_internal) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01023" > < / a > < span class = "lineno" > 1023< / span >   edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > += tree_dual;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01024" > < / a > < span class = "lineno" > 1024< / span >   }< / div >
< div class = "line" > < a name = "l01025" > < / a > < span class = "lineno" > 1025< / span >   < / div >
< div class = "line" > < a name = "l01026" > < / a > < span class = "lineno" > 1026< / span >   < span class = "comment" > // Update PQ. Note that since this was attached to a [-] node it cannot< / span > < / div >
< div class = "line" > < a name = "l01027" > < / a > < span class = "lineno" > 1027< / span >   < span class = "comment" > // be in any queue. We will also never process twice the same edge here.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01028" > < / a > < span class = "lineno" > 1028< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_plus_pq_.Contains(& edge));< / div >
< div class = "line" > < a name = "l01029" > < / a > < span class = "lineno" > 1029< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!plus_free_pq_.Contains(& edge));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01030" > < / a > < span class = "lineno" > 1030< / span >   < span class = "keywordflow" > if< / span > (nodes_[other_end].IsPlus()) {< / div >
< div class = "line" > < a name = "l01031" > < / a > < span class = "lineno" > 1031< / span >   plus_free_pq_.Add(& edge);< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01032" > < / a > < span class = "lineno" > 1032< / span >   < span class = "keywordflow" > if< / span > (edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > == tree_dual) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01033" > < / a > < span class = "lineno" > 1033< / span >   primal_update_edge_queue_.push_back(e);< / div >
< div class = "line" > < a name = "l01034" > < / a > < span class = "lineno" > 1034< / span >   }< / div >
< div class = "line" > < a name = "l01035" > < / a > < span class = "lineno" > 1035< / span >   }< / div >
< div class = "line" > < a name = "l01036" > < / a > < span class = "lineno" > 1036< / span >   }< / div >
< div class = "line" > < a name = "l01037" > < / a > < span class = "lineno" > 1037< / span >   }< / div >
< div class = "line" > < a name = "l01038" > < / a > < span class = "lineno" > 1038< / span >   }< / div >
< div class = "line" > < a name = "l01039" > < / a > < span class = "lineno" > 1039< / span >   < / div >
< div class = "line" > < a name = "l01040" > < / a > < span class = "lineno" > 1040< / span >   < span class = "comment" > // Matches the free pair together.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01041" > < / a > < span class = "lineno" > 1041< / span >   < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (free_pairs.size() % 2, 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01042" > < / a > < span class = "lineno" > 1042< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < free_pairs.size(); i += 2) {< / div >
< div class = "line" > < a name = "l01043" > < / a > < span class = "lineno" > 1043< / span >   nodes_[free_pairs[i]].match = free_pairs[i + 1];< / div >
< div class = "line" > < a name = "l01044" > < / a > < span class = "lineno" > 1044< / span >   nodes_[free_pairs[i + 1]].match = free_pairs[i];< / div >
< div class = "line" > < a name = "l01045" > < / a > < span class = "lineno" > 1045< / span >   }< / div >
< div class = "line" > < a name = "l01046" > < / a > < span class = "lineno" > 1046< / span >   < / div >
< div class = "line" > < a name = "l01047" > < / a > < span class = "lineno" > 1047< / span >   < span class = "comment" > // Mark all node as external. We do that last so we could easily detect old< / span > < / div >
< div class = "line" > < a name = "l01048" > < / a > < span class = "lineno" > 1048< / span >   < span class = "comment" > // internal edges that are now external.< / span > < / div >
< div class = "line" > < a name = "l01049" > < / a > < span class = "lineno" > 1049< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n : blossom) {< / div >
< div class = "line" > < a name = "l01050" > < / a > < span class = "lineno" > 1050< / span >   nodes_[n].is_internal = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01051" > < / a > < span class = "lineno" > 1051< / span >   }< / div >
< div class = "line" > < a name = "l01052" > < / a > < span class = "lineno" > 1052< / span >   }< / div >
< div class = "line" > < a name = "l01053" > < / a > < span class = "lineno" > 1053< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01054" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#ad0050e8e5a05f9fb9add3a7ccfd96cf2" > 1054< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#ad0050e8e5a05f9fb9add3a7ccfd96cf2" > BlossomGraph::ExpandAllBlossoms< / a > () {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01055" > < / a > < span class = "lineno" > 1055< / span >   < span class = "comment" > // Queue of blossoms to expand.< / span > < / div >
< div class = "line" > < a name = "l01056" > < / a > < span class = "lineno" > 1056< / span >   std::vector< NodeIndex> queue;< / div >
< div class = "line" > < a name = "l01057" > < / a > < span class = "lineno" > 1057< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01058" > < / a > < span class = "lineno" > 1058< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node = nodes_[n];< / div >
< div class = "line" > < a name = "l01059" > < / a > < span class = "lineno" > 1059< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a6bd5709ed0198c891c1d312e700c083b" > IsInternal< / a > ()) < span class = "keywordflow" > continue< / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01060" > < / a > < span class = "lineno" > 1060< / span >   < / div >
< div class = "line" > < a name = "l01061" > < / a > < span class = "lineno" > 1061< / span >   < span class = "comment" > // When this is called, there should be no more trees.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01062" > < / a > < span class = "lineno" > 1062< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a48a8004385fae256a9c93d353016bea1" > IsFree< / a > ());< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01063" > < / a > < span class = "lineno" > 1063< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01064" > < / a > < span class = "lineno" > 1064< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0d7fbff09819deb796dfbcb6370b12b2" > IsBlossom< / a > ()) queue.push_back(n);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01065" > < / a > < span class = "lineno" > 1065< / span >   }< / div >
< div class = "line" > < a name = "l01066" > < / a > < span class = "lineno" > 1066< / span >   < / div >
< div class = "line" > < a name = "l01067" > < / a > < span class = "lineno" > 1067< / span >   < span class = "comment" > // TODO(user): remove duplication with expand?< / span > < / div >
< div class = "line" > < a name = "l01068" > < / a > < span class = "lineno" > 1068< / span >   < span class = "keywordflow" > while< / span > (!queue.empty()) {< / div >
< div class = "line" > < a name = "l01069" > < / a > < span class = "lineno" > 1069< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > to_expand = queue.back();< / div >
< div class = "line" > < a name = "l01070" > < / a > < span class = "lineno" > 1070< / span >   queue.pop_back();< / div >
< div class = "line" > < a name = "l01071" > < / a > < span class = "lineno" > 1071< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01072" > < / a > < span class = "lineno" > 1072< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node_to_expand = nodes_[to_expand];< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01073" > < / a > < span class = "lineno" > 1073< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0d7fbff09819deb796dfbcb6370b12b2" > IsBlossom< / a > ());< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01074" > < / a > < span class = "lineno" > 1074< / span >   < / div >
< div class = "line" > < a name = "l01075" > < / a > < span class = "lineno" > 1075< / span >   < span class = "comment" > // Find the edge used to match to_expand with Match(to_expand).< / span > < / div >
< div class = "line" > < a name = "l01076" > < / a > < span class = "lineno" > 1076< / span >   < span class = "keyword" > const< / span > EdgeIndex match_edge_index =< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01077" > < / a > < span class = "lineno" > 1077< / span >   FindTightExternalEdgeBetweenNodes(to_expand, node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01078" > < / a > < span class = "lineno" > 1078< / span >   < / div >
< div class = "line" > < a name = "l01079" > < / a > < span class = "lineno" > 1079< / span >   < span class = "comment" > // Restore the saved data.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01080" > < / a > < span class = "lineno" > 1080< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & backup_node = nodes_[node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > blossom< / a > [1]];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01081" > < / a > < span class = "lineno" > 1081< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01082" > < / a > < span class = "lineno" > 1082< / span >   node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aaac09b61c2e9f87b7b2234836d5a950a" > dual< / a > = backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae812ee39507ef5bd0cb6b58605c7803d" > saved_dual< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01083" > < / a > < span class = "lineno" > 1083< / span >   < span class = "preprocessor" > #endif< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01084" > < / a > < span class = "lineno" > 1084< / span >   node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > = backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a773c851657cfc5a2dbc0fb25958e668a" > saved_pseudo_dual< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01085" > < / a > < span class = "lineno" > 1085< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01086" > < / a > < span class = "lineno" > 1086< / span >   std::vector< NodeIndex> blossom = std::move(node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > blossom< / a > );< / div >
< div class = "line" > < a name = "l01087" > < / a > < span class = "lineno" > 1087< / span >   node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > blossom< / a > = std::move(backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aa5998e93c946a8c5ec1626dee2915555" > saved_blossom< / a > );< / div >
< div class = "line" > < a name = "l01088" > < / a > < span class = "lineno" > 1088< / span >   backup_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aa5998e93c946a8c5ec1626dee2915555" > saved_blossom< / a > .clear();< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01089" > < / a > < span class = "lineno" > 1089< / span >   < / div >
< div class = "line" > < a name = "l01090" > < / a > < span class = "lineno" > 1090< / span >   < span class = "comment" > // Restore the edges Head()/Tail().< / span > < / div >
< div class = "line" > < a name = "l01091" > < / a > < span class = "lineno" > 1091< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n : blossom) {< / div >
< div class = "line" > < a name = "l01092" > < / a > < span class = "lineno" > 1092< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(n)) {< / div >
< div class = "line" > < a name = "l01093" > < / a > < span class = "lineno" > 1093< / span >   root_blossom_node_[subnode] = n;< / div >
< div class = "line" > < a name = "l01094" > < / a > < span class = "lineno" > 1094< / span >   }< / div >
< div class = "line" > < a name = "l01095" > < / a > < span class = "lineno" > 1095< / span >   }< / div >
< div class = "line" > < a name = "l01096" > < / a > < span class = "lineno" > 1096< / span >   < / div >
< div class = "line" > < a name = "l01097" > < / a > < span class = "lineno" > 1097< / span >   < span class = "comment" > // Find the index of matched_node in the blossom list.< / span > < / div >
< div class = "line" > < a name = "l01098" > < / a > < span class = "lineno" > 1098< / span >   < span class = "keywordtype" > int< / span > internal_matched_index = -1;< / div >
< div class = "line" > < a name = "l01099" > < / a > < span class = "lineno" > 1099< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > matched_node = OtherEndFromExternalNode(< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01100" > < / a > < span class = "lineno" > 1100< / span >   edges_[match_edge_index], node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01101" > < / a > < span class = "lineno" > 1101< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > size = blossom.size();< / div >
< div class = "line" > < a name = "l01102" > < / a > < span class = "lineno" > 1102< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < size; ++i) {< / div >
< div class = "line" > < a name = "l01103" > < / a > < span class = "lineno" > 1103< / span >   < span class = "keywordflow" > if< / span > (blossom[i] == matched_node) {< / div >
< div class = "line" > < a name = "l01104" > < / a > < span class = "lineno" > 1104< / span >   internal_matched_index = i;< / div >
< div class = "line" > < a name = "l01105" > < / a > < span class = "lineno" > 1105< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01106" > < / a > < span class = "lineno" > 1106< / span >   }< / div >
< div class = "line" > < a name = "l01107" > < / a > < span class = "lineno" > 1107< / span >   }< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01108" > < / a > < span class = "lineno" > 1108< / span >   < a class = "code" href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > (internal_matched_index, -1);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01109" > < / a > < span class = "lineno" > 1109< / span >   < / div >
< div class = "line" > < a name = "l01110" > < / a > < span class = "lineno" > 1110< / span >   < span class = "comment" > // Amongst the node_to_expand.blossom nodes, internal_matched_index is< / span > < / div >
< div class = "line" > < a name = "l01111" > < / a > < span class = "lineno" > 1111< / span >   < span class = "comment" > // matched with external_matched_node and the other are matched together.< / span > < / div >
< div class = "line" > < a name = "l01112" > < / a > < span class = "lineno" > 1112< / span >   std::vector< NodeIndex> free_pairs;< / div >
< div class = "line" > < a name = "l01113" > < / a > < span class = "lineno" > 1113< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = (internal_matched_index + 1) % size;< / div >
< div class = "line" > < a name = "l01114" > < / a > < span class = "lineno" > 1114< / span >   i != internal_matched_index; i = (i + 1) % size) {< / div >
< div class = "line" > < a name = "l01115" > < / a > < span class = "lineno" > 1115< / span >   free_pairs.push_back(blossom[i]);< / div >
< div class = "line" > < a name = "l01116" > < / a > < span class = "lineno" > 1116< / span >   }< / div >
< div class = "line" > < a name = "l01117" > < / a > < span class = "lineno" > 1117< / span >   < / div >
< div class = "line" > < a name = "l01118" > < / a > < span class = "lineno" > 1118< / span >   < span class = "comment" > // Clear root/parent/type of all internal nodes.< / span > < / div >
< div class = "line" > < a name = "l01119" > < / a > < span class = "lineno" > 1119< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > to_clear : blossom) {< / div >
< div class = "line" > < a name = "l01120" > < / a > < span class = "lineno" > 1120< / span >   nodes_[to_clear].type = 0;< / div >
< div class = "line" > < a name = "l01121" > < / a > < span class = "lineno" > 1121< / span >   nodes_[to_clear].is_internal = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01122" > < / a > < span class = "lineno" > 1122< / span >   nodes_[to_clear].parent = to_clear;< / div >
< div class = "line" > < a name = "l01123" > < / a > < span class = "lineno" > 1123< / span >   nodes_[to_clear].root = to_clear;< / div >
< div class = "line" > < a name = "l01124" > < / a > < span class = "lineno" > 1124< / span >   }< / div >
< div class = "line" > < a name = "l01125" > < / a > < span class = "lineno" > 1125< / span >   < / div >
< div class = "line" > < a name = "l01126" > < / a > < span class = "lineno" > 1126< / span >   < span class = "comment" > // Matches the internal node with external one.< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01127" > < / a > < span class = "lineno" > 1127< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > external_matched_node = node_to_expand.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01128" > < / a > < span class = "lineno" > 1128< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > internal_matched_node = blossom[internal_matched_index];< / div >
< div class = "line" > < a name = "l01129" > < / a > < span class = "lineno" > 1129< / span >   nodes_[internal_matched_node].match = external_matched_node;< / div >
< div class = "line" > < a name = "l01130" > < / a > < span class = "lineno" > 1130< / span >   nodes_[external_matched_node].match = internal_matched_node;< / div >
< div class = "line" > < a name = "l01131" > < / a > < span class = "lineno" > 1131< / span >   < / div >
< div class = "line" > < a name = "l01132" > < / a > < span class = "lineno" > 1132< / span >   < span class = "comment" > // Matches the free pair together.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01133" > < / a > < span class = "lineno" > 1133< / span >   < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (free_pairs.size() % 2, 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01134" > < / a > < span class = "lineno" > 1134< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < free_pairs.size(); i += 2) {< / div >
< div class = "line" > < a name = "l01135" > < / a > < span class = "lineno" > 1135< / span >   nodes_[free_pairs[i]].match = free_pairs[i + 1];< / div >
< div class = "line" > < a name = "l01136" > < / a > < span class = "lineno" > 1136< / span >   nodes_[free_pairs[i + 1]].match = free_pairs[i];< / div >
< div class = "line" > < a name = "l01137" > < / a > < span class = "lineno" > 1137< / span >   }< / div >
< div class = "line" > < a name = "l01138" > < / a > < span class = "lineno" > 1138< / span >   < / div >
< div class = "line" > < a name = "l01139" > < / a > < span class = "lineno" > 1139< / span >   < span class = "comment" > // Now that the expansion is done, add to the queue any sub-blossoms.< / span > < / div >
< div class = "line" > < a name = "l01140" > < / a > < span class = "lineno" > 1140< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n : blossom) {< / div >
< div class = "line" > < a name = "l01141" > < / a > < span class = "lineno" > 1141< / span >   < span class = "keywordflow" > if< / span > (nodes_[n].IsBlossom()) queue.push_back(n);< / div >
< div class = "line" > < a name = "l01142" > < / a > < span class = "lineno" > 1142< / span >   }< / div >
< div class = "line" > < a name = "l01143" > < / a > < span class = "lineno" > 1143< / span >   }< / div >
< div class = "line" > < a name = "l01144" > < / a > < span class = "lineno" > 1144< / span >   }< / div >
< div class = "line" > < a name = "l01145" > < / a > < span class = "lineno" > 1145< / span >   < / div >
< div class = "line" > < a name = "l01146" > < / a > < span class = "lineno" > 1146< / span >   < span class = "keyword" > const< / span > std::vector< NodeIndex> & BlossomGraph::SubNodes(< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n) {< / div >
< div class = "line" > < a name = "l01147" > < / a > < span class = "lineno" > 1147< / span >   < span class = "comment" > // This should be only called on an external node. However, in Shrink() we< / span > < / div >
< div class = "line" > < a name = "l01148" > < / a > < span class = "lineno" > 1148< / span >   < span class = "comment" > // mark the node as internal early, so we just make sure the node as no saved< / span > < / div >
< div class = "line" > < a name = "l01149" > < / a > < span class = "lineno" > 1149< / span >   < span class = "comment" > // blossom field here.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01150" > < / a > < span class = "lineno" > 1150< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (nodes_[n].saved_blossom.empty());< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01151" > < / a > < span class = "lineno" > 1151< / span >   < / div >
< div class = "line" > < a name = "l01152" > < / a > < span class = "lineno" > 1152< / span >   < span class = "comment" > // Expand all the inner nodes under the node n. This will not be n iff node is< / span > < / div >
< div class = "line" > < a name = "l01153" > < / a > < span class = "lineno" > 1153< / span >   < span class = "comment" > // is in fact a blossom.< / span > < / div >
< div class = "line" > < a name = "l01154" > < / a > < span class = "lineno" > 1154< / span >   subnodes_ = {n};< / div >
< div class = "line" > < a name = "l01155" > < / a > < span class = "lineno" > 1155< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < subnodes_.size(); ++i) {< / div >
< div class = "line" > < a name = "l01156" > < / a > < span class = "lineno" > 1156< / span >   < span class = "keyword" > const< / span > Node& node = nodes_[subnodes_[i]];< / div >
< div class = "line" > < a name = "l01157" > < / a > < span class = "lineno" > 1157< / span >   < / div >
< div class = "line" > < a name = "l01158" > < / a > < span class = "lineno" > 1158< / span >   < span class = "comment" > // Since the first node in each list is always the node above, we just< / span > < / div >
< div class = "line" > < a name = "l01159" > < / a > < span class = "lineno" > 1159< / span >   < span class = "comment" > // skip it to avoid listing twice the nodes.< / span > < / div >
< div class = "line" > < a name = "l01160" > < / a > < span class = "lineno" > 1160< / span >   < span class = "keywordflow" > if< / span > (!node.blossom.empty()) {< / div >
< div class = "line" > < a name = "l01161" > < / a > < span class = "lineno" > 1161< / span >   subnodes_.insert(subnodes_.end(), node.blossom.begin() + 1,< / div >
< div class = "line" > < a name = "l01162" > < / a > < span class = "lineno" > 1162< / span >   node.blossom.end());< / div >
< div class = "line" > < a name = "l01163" > < / a > < span class = "lineno" > 1163< / span >   }< / div >
< div class = "line" > < a name = "l01164" > < / a > < span class = "lineno" > 1164< / span >   < / div >
< div class = "line" > < a name = "l01165" > < / a > < span class = "lineno" > 1165< / span >   < span class = "comment" > // We also need to recursively expand the sub-blossom nodes, which are (if< / span > < / div >
< div class = "line" > < a name = "l01166" > < / a > < span class = "lineno" > 1166< / span >   < span class = "comment" > // any) in the " saved_blossom" field of the first internal node of each< / span > < / div >
< div class = "line" > < a name = "l01167" > < / a > < span class = "lineno" > 1167< / span >   < span class = "comment" > // blossom. Since we iterate on all internal nodes here, we simply consult< / span > < / div >
< div class = "line" > < a name = "l01168" > < / a > < span class = "lineno" > 1168< / span >   < span class = "comment" > // the " saved_blossom" field of all subnodes, and it works the same.< / span > < / div >
< div class = "line" > < a name = "l01169" > < / a > < span class = "lineno" > 1169< / span >   < span class = "keywordflow" > if< / span > (!node.saved_blossom.empty()) {< / div >
< div class = "line" > < a name = "l01170" > < / a > < span class = "lineno" > 1170< / span >   subnodes_.insert(subnodes_.end(), node.saved_blossom.begin() + 1,< / div >
< div class = "line" > < a name = "l01171" > < / a > < span class = "lineno" > 1171< / span >   node.saved_blossom.end());< / div >
< div class = "line" > < a name = "l01172" > < / a > < span class = "lineno" > 1172< / span >   }< / div >
< div class = "line" > < a name = "l01173" > < / a > < span class = "lineno" > 1173< / span >   }< / div >
< div class = "line" > < a name = "l01174" > < / a > < span class = "lineno" > 1174< / span >   < span class = "keywordflow" > return< / span > subnodes_;< / div >
< div class = "line" > < a name = "l01175" > < / a > < span class = "lineno" > 1175< / span >   }< / div >
< div class = "line" > < a name = "l01176" > < / a > < span class = "lineno" > 1176< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01177" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a641610cf698af15f1f8e24741c1fd572" > 1177< / a > < / span >   std::string < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a641610cf698af15f1f8e24741c1fd572" > BlossomGraph::NodeDebugString< / a > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l01178" > < / a > < span class = "lineno" > 1178< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node = nodes_[n];< / div >
< div class = "line" > < a name = "l01179" > < / a > < span class = "lineno" > 1179< / span >   < span class = "keywordflow" > if< / span > (node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aab699e604962539cc9305c4e496032a5" > is_internal< / a > ) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01180" > < / a > < span class = "lineno" > 1180< / span >   < span class = "keywordflow" > return< / span > absl::StrCat(< span class = "stringliteral" > " [I] #" < / span > , n.value());< / div >
< div class = "line" > < a name = "l01181" > < / a > < span class = "lineno" > 1181< / span >   }< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01182" > < / a > < span class = "lineno" > 1182< / span >   < span class = "keyword" > const< / span > std::string type = !< a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > NodeIsMatched< / a > (n) ? < span class = "stringliteral" > " [*]" < / span > < / div >
< div class = "line" > < a name = "l01183" > < / a > < span class = "lineno" > 1183< / span >   : node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > == 1 ? < span class = "stringliteral" > " [+]" < / span > < / div >
< div class = "line" > < a name = "l01184" > < / a > < span class = "lineno" > 1184< / span >   : node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > == -1 ? < span class = "stringliteral" > " [-]" < / span > < / div >
< div class = "line" > < a name = "l01185" > < / a > < span class = "lineno" > 1185< / span >   : < span class = "stringliteral" > " [0]" < / span > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01186" > < / a > < span class = "lineno" > 1186< / span >   < span class = "keywordflow" > return< / span > absl::StrCat(< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01187" > < / a > < span class = "lineno" > 1187< / span >   type, < span class = "stringliteral" > " #" < / span > , n.value(), < span class = "stringliteral" > " dual: " < / span > , < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > Dual< / a > (node).< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (),< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01188" > < / a > < span class = "lineno" > 1188< / span >   < span class = "stringliteral" > " parent: " < / span > , node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > parent< / a > .value(), < span class = "stringliteral" > " match: " < / span > , node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > match< / a > .value(),< / div >
< div class = "line" > < a name = "l01189" > < / a > < span class = "lineno" > 1189< / span >   < span class = "stringliteral" > " blossom: [" < / span > , absl::StrJoin(node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > blossom< / a > , < span class = "stringliteral" > " , " < / span > , absl::StreamFormatter()),< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01190" > < / a > < span class = "lineno" > 1190< / span >   < span class = "stringliteral" > " ]" < / span > );< / div >
< div class = "line" > < a name = "l01191" > < / a > < span class = "lineno" > 1191< / span >   }< / div >
< div class = "line" > < a name = "l01192" > < / a > < span class = "lineno" > 1192< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01193" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a67cea30280176172db379ad925f2e6ca" > 1193< / a > < / span >   std::string < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a67cea30280176172db379ad925f2e6ca" > BlossomGraph::EdgeDebugString< / a > (EdgeIndex e)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l01194" > < / a > < span class = "lineno" > 1194< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01195" > < / a > < span class = "lineno" > 1195< / span >   < span class = "keywordflow" > if< / span > (nodes_[Tail(edge)].is_internal || nodes_[Head(edge)].is_internal) {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01196" > < / a > < span class = "lineno" > 1196< / span >   < span class = "keywordflow" > return< / span > absl::StrCat(Tail(edge).< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (), < span class = "stringliteral" > " < -> " < / span > , Head(edge).< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (),< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01197" > < / a > < span class = "lineno" > 1197< / span >   < span class = "stringliteral" > " internal " < / span > );< / div >
< div class = "line" > < a name = "l01198" > < / a > < span class = "lineno" > 1198< / span >   }< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01199" > < / a > < span class = "lineno" > 1199< / span >   < span class = "keywordflow" > return< / span > absl::StrCat(Tail(edge).< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (), < span class = "stringliteral" > " < -> " < / span > , Head(edge).< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (),< / div >
< div class = "line" > < a name = "l01200" > < / a > < span class = "lineno" > 1200< / span >   < span class = "stringliteral" > " slack: " < / span > , < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > Slack< / a > (edge).< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ());< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01201" > < / a > < span class = "lineno" > 1201< / span >   }< / div >
< div class = "line" > < a name = "l01202" > < / a > < span class = "lineno" > 1202< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01203" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a764be64f3029f8b8e23511061d8de355" > 1203< / a > < / span >   std::string < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a764be64f3029f8b8e23511061d8de355" > BlossomGraph::DebugString< / a > ()< span class = "keyword" > const < / span > {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01204" > < / a > < span class = "lineno" > 1204< / span >   std::string result = < span class = "stringliteral" > " Graph:\n" < / span > ;< / div >
< div class = "line" > < a name = "l01205" > < / a > < span class = "lineno" > 1205< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n(0); n < nodes_.size(); ++n) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01206" > < / a > < span class = "lineno" > 1206< / span >   absl::StrAppend(& result, < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a641610cf698af15f1f8e24741c1fd572" > NodeDebugString< / a > (n), < span class = "stringliteral" > " \n" < / span > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01207" > < / a > < span class = "lineno" > 1207< / span >   }< / div >
< div class = "line" > < a name = "l01208" > < / a > < span class = "lineno" > 1208< / span >   < span class = "keywordflow" > for< / span > (EdgeIndex e(0); e < edges_.size(); ++e) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01209" > < / a > < span class = "lineno" > 1209< / span >   absl::StrAppend(& result, < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a67cea30280176172db379ad925f2e6ca" > EdgeDebugString< / a > (e), < span class = "stringliteral" > " \n" < / span > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01210" > < / a > < span class = "lineno" > 1210< / span >   }< / div >
< div class = "line" > < a name = "l01211" > < / a > < span class = "lineno" > 1211< / span >   < span class = "keywordflow" > return< / span > result;< / div >
< div class = "line" > < a name = "l01212" > < / a > < span class = "lineno" > 1212< / span >   }< / div >
< div class = "line" > < a name = "l01213" > < / a > < span class = "lineno" > 1213< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01214" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#ad7e519048b150893f06581b7f270c118" > 1214< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#ad7e519048b150893f06581b7f270c118" > BlossomGraph::DebugUpdateNodeDual< / a > (< a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > n, < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > ) {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01215" > < / a > < span class = "lineno" > 1215< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01216" > < / a > < span class = "lineno" > 1216< / span >   nodes_[n].dual += < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01217" > < / a > < span class = "lineno" > 1217< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > subnode : SubNodes(n)) {< / div >
< div class = "line" > < a name = "l01218" > < / a > < span class = "lineno" > 1218< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > EdgeIndex e : graph_[subnode]) {< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01219" > < / a > < span class = "lineno" > 1219< / span >   < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge = edges_[e];< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01220" > < / a > < span class = "lineno" > 1220< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > NodeIndex< / a > other_end = OtherEnd(edge, subnode);< / div >
< div class = "line" > < a name = "l01221" > < / a > < span class = "lineno" > 1221< / span >   < span class = "keywordflow" > if< / span > (other_end == n) < span class = "keywordflow" > continue< / span > ;< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01222" > < / a > < span class = "lineno" > 1222< / span >   edges_[e].slack -= < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01223" > < / a > < span class = "lineno" > 1223< / span >   }< / div >
< div class = "line" > < a name = "l01224" > < / a > < span class = "lineno" > 1224< / span >   }< / div >
< div class = "line" > < a name = "l01225" > < / a > < span class = "lineno" > 1225< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l01226" > < / a > < span class = "lineno" > 1226< / span >   }< / div >
< div class = "line" > < a name = "l01227" > < / a > < span class = "lineno" > 1227< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01228" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > 1228< / a > < / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > BlossomGraph::Slack< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > Edge< / a > & edge)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l01229" > < / a > < span class = "lineno" > 1229< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & tail_node = nodes_[Tail(edge)];< / div >
< div class = "line" > < a name = "l01230" > < / a > < span class = "lineno" > 1230< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & head_node = nodes_[Head(edge)];< / div >
< div class = "line" > < a name = "l01231" > < / a > < span class = "lineno" > 1231< / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > slack = edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > pseudo_slack< / a > ;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01232" > < / a > < span class = "lineno" > 1232< / span >   < span class = "keywordflow" > if< / span > (Tail(edge) == Head(edge)) < span class = "keywordflow" > return< / span > slack; < span class = "comment" > // Internal...< / span > < / div >
< div class = "line" > < a name = "l01233" > < / a > < span class = "lineno" > 1233< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01234" > < / a > < span class = "lineno" > 1234< / span >   < span class = "keywordflow" > if< / span > (!tail_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aab699e604962539cc9305c4e496032a5" > is_internal< / a > & & !head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aab699e604962539cc9305c4e496032a5" > is_internal< / a > ) {< / div >
< div class = "line" > < a name = "l01235" > < / a > < span class = "lineno" > 1235< / span >   slack -= tail_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > * nodes_[tail_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > ].tree_dual_delta +< / div >
< div class = "line" > < a name = "l01236" > < / a > < span class = "lineno" > 1236< / span >   head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > * nodes_[head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > ].tree_dual_delta;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01237" > < / a > < span class = "lineno" > 1237< / span >   }< / div >
< div class = "line" > < a name = "l01238" > < / a > < span class = "lineno" > 1238< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01239" > < / a > < span class = "lineno" > 1239< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (slack, edge.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a015731c5f4abd13de18e78c4e4bb35ce" > slack< / a > ) < < tail_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > < < < span class = "stringliteral" > " " < / span > < < head_node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > < / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01240" > < / a > < span class = "lineno" > 1240< / span >   < < < span class = "stringliteral" > " " < / span > < < Tail(edge) < < < span class = "stringliteral" > " < -> " < / span > < < Head(edge);< / div >
< div class = "line" > < a name = "l01241" > < / a > < span class = "lineno" > 1241< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l01242" > < / a > < span class = "lineno" > 1242< / span >   < span class = "keywordflow" > return< / span > slack;< / div >
< div class = "line" > < a name = "l01243" > < / a > < span class = "lineno" > 1243< / span >   }< / div >
< div class = "line" > < a name = "l01244" > < / a > < span class = "lineno" > 1244< / span >   < / div >
< div class = "line" > < a name = "l01245" > < / a > < span class = "lineno" > 1245< / span >   < span class = "comment" > // Returns the dual value of the given node (which might be a pseudo-node).< / span > < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01246" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > 1246< / a > < / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > BlossomGraph::Dual< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > Node< / a > & node)< span class = "keyword" > const < / span > {< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01247" > < / a > < span class = "lineno" > 1247< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > dual =< / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01248" > < / a > < span class = "lineno" > 1248< / span >   node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > pseudo_dual< / a > + node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > type< / a > * nodes_[node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > root< / a > ].tree_dual_delta;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01249" > < / a > < span class = "lineno" > 1249< / span >   < span class = "preprocessor" > #ifndef NDEBUG< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01250" > < / a > < span class = "lineno" > 1250< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (dual, node.< a class = "code" href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aaac09b61c2e9f87b7b2234836d5a950a" > dual< / a > );< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01251" > < / a > < span class = "lineno" > 1251< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l01252" > < / a > < span class = "lineno" > 1252< / span >   < span class = "keywordflow" > return< / span > dual;< / div >
< div class = "line" > < a name = "l01253" > < / a > < span class = "lineno" > 1253< / span >   }< / div >
< div class = "line" > < a name = "l01254" > < / a > < span class = "lineno" > 1254< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01255" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#a302c5cc32e01ba375848a3f32d82c431" > 1255< / a > < / span >   < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#a302c5cc32e01ba375848a3f32d82c431" > BlossomGraph::DualObjective< / a > ()< span class = "keyword" > const < / span > {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01256" > < / a > < span class = "lineno" > 1256< / span >   < span class = "keywordflow" > if< / span > (dual_objective_ == < a class = "code" href = "integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897" > kint64max< / a > ) < span class = "keywordflow" > return< / span > < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > (< a class = "code" href = "integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897" > kint64max< / a > );< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01257" > < / a > < span class = "lineno" > 1257< / span >   < a class = "code" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (dual_objective_ % 2, 0);< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01258" > < / a > < span class = "lineno" > 1258< / span >   < span class = "keywordflow" > return< / span > dual_objective_ / 2;< / div >
< div class = "line" > < a name = "l01259" > < / a > < span class = "lineno" > 1259< / span >   }< / div >
< div class = "line" > < a name = "l01260" > < / a > < span class = "lineno" > 1260< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01261" > < / a > < span class = "lineno" > 1261< / span >   < span class = "keywordtype" > void< / span > BlossomGraph::AddToDualObjective(< a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > ) {< / div >
< div class = "line" > < a name = "l01262" > < / a > < span class = "lineno" > 1262< / span >   < a class = "code" href = "base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9" > CHECK_GE< / a > (< a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > , 0);< / div >
< div class = "line" > < a name = "l01263" > < / a > < span class = "lineno" > 1263< / span >   dual_objective_ = < a class = "code" href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > CostValue< / a > (< a class = "code" href = "namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291" > CapAdd< / a > (dual_objective_.value(), < a class = "code" href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > .value()));< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01264" > < / a > < span class = "lineno" > 1264< / span >   }< / div >
< div class = "line" > < a name = "l01265" > < / a > < span class = "lineno" > 1265< / span >   < / div >
2020-10-09 12:00:09 +02:00
< div class = "line" > < a name = "l01266" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1_blossom_graph.html#ad74099ecb3f19aea3065345aeb146333" > 1266< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "classoperations__research_1_1_blossom_graph.html#ad74099ecb3f19aea3065345aeb146333" > BlossomGraph::DisplayStats< / a > ()< span class = "keyword" > const < / span > {< / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l01267" > < / a > < span class = "lineno" > 1267< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " num_grows: " < / span > < < num_grows_;< / div >
< div class = "line" > < a name = "l01268" > < / a > < span class = "lineno" > 1268< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " num_augments: " < / span > < < num_augments_;< / div >
< div class = "line" > < a name = "l01269" > < / a > < span class = "lineno" > 1269< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " num_shrinks: " < / span > < < num_shrinks_;< / div >
< div class = "line" > < a name = "l01270" > < / a > < span class = "lineno" > 1270< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " num_expands: " < / span > < < num_expands_;< / div >
< div class = "line" > < a name = "l01271" > < / a > < span class = "lineno" > 1271< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " num_dual_updates: " < / span > < < num_dual_updates_;< / div >
2020-09-02 09:42:51 +02:00
< div class = "line" > < a name = "l01272" > < / a > < span class = "lineno" > 1272< / span >   }< / div >
< div class = "line" > < a name = "l01273" > < / a > < span class = "lineno" > 1273< / span >   < / div >
< div class = "line" > < a name = "l01274" > < / a > < span class = "lineno" > 1274< / span >   } < span class = "comment" > // namespace operations_research< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > max< / a > < / div > < div class = "ttdeci" > int64_t max< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00140" > alldiff_cst.cc:140< / a > < / div > < / div >
< div class = "ttc" id = "aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > min< / a > < / div > < div class = "ttdeci" > int64_t min< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00139" > alldiff_cst.cc:139< / 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#l00498" > base/logging.h:498< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a4395e95bab44e222cb2e77251017a0e2" > < div class = "ttname" > < a href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > < / div > < div class = "ttdeci" > #define DCHECK_LE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00895" > base/logging.h:895< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a46e69120fbd3b36e6960e096d23b66f0" > < div class = "ttname" > < a href = "base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0" > DCHECK_NE< / a > < / div > < div class = "ttdeci" > #define DCHECK_NE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00894" > base/logging.h:894< / a > < / div > < / div >
< 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#l00705" > base/logging.h:705< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7cc25402ecd7591b4c39934dd656b1f9" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9" > CHECK_GE< / a > < / div > < div class = "ttdeci" > #define CHECK_GE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00709" > base/logging.h:709< / 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#l00710" > base/logging.h:710< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_aae2dc65d9ea248d54bf39daa986dd295" > < div class = "ttname" > < a href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > < / div > < div class = "ttdeci" > #define DCHECK_GE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00897" > base/logging.h:897< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb" > CHECK_NE< / a > < / div > < div class = "ttdeci" > #define CHECK_NE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00706" > base/logging.h:706< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > < / div > < div class = "ttdeci" > #define DCHECK_LT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00896" > base/logging.h:896< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae" > < div class = "ttname" > < a href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > < / div > < div class = "ttdeci" > #define LOG(severity)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00423" > base/logging.h:423< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > < / div > < div class = "ttdeci" > #define DCHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00892" > base/logging.h:892< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > < / div > < div class = "ttdeci" > #define DCHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00893" > base/logging.h:893< / 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#l00986" > base/logging.h:986< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassabsl_1_1_strong_vector_html_a4e3670a285a3642eaa07f66766cffa72" > < div class = "ttname" > < a href = "classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72" > absl::StrongVector::resize< / a > < / div > < div class = "ttdeci" > void resize(size_type new_size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "strong__vector_8h_source.html#l00150" > strong_vector.h:150< / a > < / div > < / div >
2020-12-07 17:47:46 +01:00
< div class = "ttc" id = "aclassabsl_1_1_strong_vector_html_a9263000d449fdccb6cb70b303063e60b" > < div class = "ttname" > < a href = "classabsl_1_1_strong_vector.html#a9263000d449fdccb6cb70b303063e60b" > absl::StrongVector::push_back< / a > < / div > < div class = "ttdeci" > void push_back(const value_type & x)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "strong__vector_8h_source.html#l00158" > strong_vector.h:158< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a0a45bd01bdb08f462f19cf483b88a6d1" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a0a45bd01bdb08f462f19cf483b88a6d1" > operations_research::BlossomGraph::PrimalUpdates< / a > < / div > < div class = "ttdeci" > void PrimalUpdates()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00381" > perfect_matching.cc:381< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a10faf3cb1acc845ce59c867bd9753155" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a10faf3cb1acc845ce59c867bd9753155" > operations_research::BlossomGraph::DebugDualsAreFeasible< / a > < / div > < div class = "ttdeci" > bool DebugDualsAreFeasible() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00450" > perfect_matching.cc:450< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a248c764067ee60c03ee370784c49f353" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a248c764067ee60c03ee370784c49f353" > operations_research::BlossomGraph::Initialize< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT bool Initialize()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00143" > perfect_matching.cc:143< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a302c5cc32e01ba375848a3f32d82c431" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a302c5cc32e01ba375848a3f32d82c431" > operations_research::BlossomGraph::DualObjective< / a > < / div > < div class = "ttdeci" > CostValue DualObjective() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l01255" > perfect_matching.cc:1255< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a39b5c65490728705cd4471c549ff1d95" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a39b5c65490728705cd4471c549ff1d95" > operations_research::BlossomGraph::Grow< / a > < / div > < div class = "ttdeci" > void Grow(EdgeIndex e, NodeIndex tail, NodeIndex head)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00470" > perfect_matching.cc:470< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a3a2cd7bcc756090a5e1a7bcdfa530a1b" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a3a2cd7bcc756090a5e1a7bcdfa530a1b" > operations_research::BlossomGraph::ComputeMaxCommonTreeDualDeltaAndResetPrimalEdgeQueue< / a > < / div > < div class = "ttdeci" > CostValue ComputeMaxCommonTreeDualDeltaAndResetPrimalEdgeQueue()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00259" > perfect_matching.cc:259< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a41347b63abb9f92b02b1705cdae50cad" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a41347b63abb9f92b02b1705cdae50cad" > operations_research::BlossomGraph::DebugEdgeIsTightAndExternal< / a > < / div > < div class = "ttdeci" > bool DebugEdgeIsTightAndExternal(const Edge & edge) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00463" > perfect_matching.cc:463< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a47f3bfcd0d135ae701956a1fa56b141a" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a47f3bfcd0d135ae701956a1fa56b141a" > operations_research::BlossomGraph::kMaxCostValue< / a > < / div > < div class = "ttdeci" > static const CostValue kMaxCostValue< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00177" > perfect_matching.h:177< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a498ac6ce9ab7d52b1ff1dd3fefc1a5b7" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a498ac6ce9ab7d52b1ff1dd3fefc1a5b7" > operations_research::BlossomGraph::Match< / a > < / div > < div class = "ttdeci" > NodeIndex Match(NodeIndex n) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00336" > perfect_matching.cc:336< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a58f432346ba2007a0c0a62ad8789b048" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a58f432346ba2007a0c0a62ad8789b048" > operations_research::BlossomGraph::AddEdge< / a > < / div > < div class = "ttdeci" > void AddEdge(NodeIndex tail, NodeIndex head, CostValue cost)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00126" > perfect_matching.cc:126< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a5ba793d57999d40090be769a97c6ac59" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a5ba793d57999d40090be769a97c6ac59" > operations_research::BlossomGraph::NodeIsMatched< / a > < / div > < div class = "ttdeci" > bool NodeIsMatched(NodeIndex n) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00329" > perfect_matching.cc:329< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a5ec09b02b175052c5546eda76464accd" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a5ec09b02b175052c5546eda76464accd" > operations_research::BlossomGraph::Slack< / a > < / div > < div class = "ttdeci" > CostValue Slack(const Edge & edge) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l01228" > perfect_matching.cc:1228< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a641610cf698af15f1f8e24741c1fd572" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a641610cf698af15f1f8e24741c1fd572" > operations_research::BlossomGraph::NodeDebugString< / a > < / div > < div class = "ttdeci" > std::string NodeDebugString(NodeIndex n) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l01177" > perfect_matching.cc:1177< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a67cea30280176172db379ad925f2e6ca" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a67cea30280176172db379ad925f2e6ca" > operations_research::BlossomGraph::EdgeDebugString< / a > < / div > < div class = "ttdeci" > std::string EdgeDebugString(EdgeIndex e) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l01193" > perfect_matching.cc:1193< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a6f810c6acdae2d7caa9ca2f8cbf35ce5" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a6f810c6acdae2d7caa9ca2f8cbf35ce5" > operations_research::BlossomGraph::DebugCheckNoPossiblePrimalUpdates< / a > < / div > < div class = "ttdeci" > void DebugCheckNoPossiblePrimalUpdates()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00347" > perfect_matching.cc:347< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a764be64f3029f8b8e23511061d8de355" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a764be64f3029f8b8e23511061d8de355" > operations_research::BlossomGraph::DebugString< / a > < / div > < div class = "ttdeci" > std::string DebugString() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l01203" > perfect_matching.cc:1203< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a77239a64984b6868f08721b84d7c08a1" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a77239a64984b6868f08721b84d7c08a1" > operations_research::BlossomGraph::Augment< / a > < / div > < div class = "ttdeci" > void Augment(EdgeIndex e)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00547" > perfect_matching.cc:547< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a7cc8e3de83d28065411068cf09b7992e" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a7cc8e3de83d28065411068cf09b7992e" > operations_research::BlossomGraph::Dual< / a > < / div > < div class = "ttdeci" > CostValue Dual(const Node & node) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l01246" > perfect_matching.cc:1246< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_a8a0d1ac19aba17d0f2d52d15a049dc2c" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#a8a0d1ac19aba17d0f2d52d15a049dc2c" > operations_research::BlossomGraph::kNoEdgeIndex< / a > < / div > < div class = "ttdeci" > static const EdgeIndex kNoEdgeIndex< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00176" > perfect_matching.h:176< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_aa58388f09616752263b1fac85c35e432" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#aa58388f09616752263b1fac85c35e432" > operations_research::BlossomGraph::kNoNodeIndex< / a > < / div > < div class = "ttdeci" > static const NodeIndex kNoNodeIndex< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00175" > perfect_matching.h:175< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_aacc1343585a38bfaa42702e635552837" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#aacc1343585a38bfaa42702e635552837" > operations_research::BlossomGraph::Shrink< / a > < / div > < div class = "ttdeci" > void Shrink(EdgeIndex e)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00650" > perfect_matching.cc:650< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_abf9aa973816e638a2b972b595d952c0e" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#abf9aa973816e638a2b972b595d952c0e" > operations_research::BlossomGraph::Expand< / a > < / div > < div class = "ttdeci" > void Expand(NodeIndex to_expand)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00845" > perfect_matching.cc:845< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_acdf1d4050349cf4a87c08498eaa2d1e9" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#acdf1d4050349cf4a87c08498eaa2d1e9" > operations_research::BlossomGraph::UpdateAllTrees< / a > < / div > < div class = "ttdeci" > void UpdateAllTrees(CostValue delta)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00309" > perfect_matching.cc:309< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_ad0050e8e5a05f9fb9add3a7ccfd96cf2" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#ad0050e8e5a05f9fb9add3a7ccfd96cf2" > operations_research::BlossomGraph::ExpandAllBlossoms< / a > < / div > < div class = "ttdeci" > void ExpandAllBlossoms()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l01054" > perfect_matching.cc:1054< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_ad74099ecb3f19aea3065345aeb146333" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#ad74099ecb3f19aea3065345aeb146333" > operations_research::BlossomGraph::DisplayStats< / a > < / div > < div class = "ttdeci" > void DisplayStats() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l01266" > perfect_matching.cc:1266< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_ad7e519048b150893f06581b7f270c118" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#ad7e519048b150893f06581b7f270c118" > operations_research::BlossomGraph::DebugUpdateNodeDual< / a > < / div > < div class = "ttdeci" > void DebugUpdateNodeDual(NodeIndex n, CostValue delta)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l01214" > perfect_matching.cc:1214< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_blossom_graph_html_ae0848b03565c382ae68dca458899dc58" > < div class = "ttname" > < a href = "classoperations__research_1_1_blossom_graph.html#ae0848b03565c382ae68dca458899dc58" > operations_research::BlossomGraph::BlossomGraph< / a > < / div > < div class = "ttdeci" > BlossomGraph(int num_nodes)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00116" > perfect_matching.cc:116< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_min_cost_perfect_matching_html_a00a07ecd49cf20c2806ebbcd1f5dcbb1" > < div class = "ttname" > < a href = "classoperations__research_1_1_min_cost_perfect_matching.html#a00a07ecd49cf20c2806ebbcd1f5dcbb1" > operations_research::MinCostPerfectMatching::Solve< / a > < / div > < div class = "ttdeci" > ABSL_MUST_USE_RESULT Status Solve()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00039" > perfect_matching.cc:39< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1_min_cost_perfect_matching_html_a132e58de7ebb46a1ba677b77f6e60907" > < div class = "ttname" > < a href = "classoperations__research_1_1_min_cost_perfect_matching.html#a132e58de7ebb46a1ba677b77f6e60907" > operations_research::MinCostPerfectMatching::AddEdgeWithCost< / a > < / div > < div class = "ttdeci" > void AddEdgeWithCost(int tail, int head, int64_t cost)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00027" > perfect_matching.cc:27< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "aclassoperations__research_1_1_min_cost_perfect_matching_html_a50eca19efa71a0b70de25f9ad4a2a6f8" > < div class = "ttname" > < a href = "classoperations__research_1_1_min_cost_perfect_matching.html#a50eca19efa71a0b70de25f9ad4a2a6f8" > operations_research::MinCostPerfectMatching::Reset< / a > < / div > < div class = "ttdeci" > void Reset(int num_nodes)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8cc_source.html#l00021" > perfect_matching.cc:21< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_min_cost_perfect_matching_html_a67a0db04d321a74b7e7fcfd3f1a3f70b" > < div class = "ttname" > < a href = "classoperations__research_1_1_min_cost_perfect_matching.html#a67a0db04d321a74b7e7fcfd3f1a3f70b" > operations_research::MinCostPerfectMatching::Status< / a > < / div > < div class = "ttdeci" > Status< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00081" > perfect_matching.h:81< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < / div > < div class = "ttdeci" > int64_t value< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00044" > demon_profiler.cc:44< / a > < / div > < / div >
< div class = "ttc" id = "aintegral__types_8h_html_a808bd435380aa1e2bbd6f13ac7759897" > < div class = "ttname" > < a href = "integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897" > kint64max< / a > < / div > < div class = "ttdeci" > static const int64_t kint64max< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "integral__types_8h_source.html#l00032" > integral_types.h:32< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "alog__severity_8h_html_acdd38e3c9f22f127d7776920e3079eda" > < div class = "ttname" > < a href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > < / div > < div class = "ttdeci" > const int FATAL< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "log__severity_8h_source.html#l00032" > log_severity.h:32< / a > < / div > < / div >
< div class = "ttc" id = "amacros_8h_html_a7f536a3b33f9bed8f75734e035d30725" > < div class = "ttname" > < a href = "macros_8h.html#a7f536a3b33f9bed8f75734e035d30725" > DEBUG_MODE< / a > < / div > < div class = "ttdeci" > const bool DEBUG_MODE< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "macros_8h_source.html#l00024" > macros.h:24< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1data_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad" > operations_research::data::vbp::OPTIMAL< / a > < / div > < div class = "ttdeci" > @ OPTIMAL< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "vector__bin__packing_8pb_8h_source.html#l00088" > vector_bin_packing.pb.h:88< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1data_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483" > operations_research::data::vbp::INFEASIBLE< / a > < / div > < div class = "ttdeci" > @ INFEASIBLE< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "vector__bin__packing_8pb_8h_source.html#l00090" > vector_bin_packing.pb.h:90< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1math__opt_html_a5de89a1f6e3f80a49a0d76136d8044e2" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1math__opt.html#a5de89a1f6e3f80a49a0d76136d8044e2" > operations_research::math_opt::swap< / a > < / div > < div class = "ttdeci" > void swap(IdMap< K, V > & a, IdMap< K, V > & b)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "id__map_8h_source.html#l00263" > id_map.h:263< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > Collection of objects used to extend the Constraint Solver library.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_a111f44b9b9cf67a8e8d83794ac9f5291" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291" > operations_research::CapAdd< / a > < / div > < div class = "ttdeci" > int64_t CapAdd(int64_t x, int64_t y)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "saturated__arithmetic_8h_source.html#l00126" > saturated_arithmetic.h:126< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_a7ae31ba4c3b4899478e53ca13df35dfc" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc" > operations_research::NodeIndex< / a > < / div > < div class = "ttdeci" > int32_t NodeIndex< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ebert__graph_8h_source.html#l00200" > ebert_graph.h:192< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_aee97ac67f280d35acdef2c5d461a85c3" > < div class = "ttname" > < a href = "namespaceoperations__research.html#aee97ac67f280d35acdef2c5d461a85c3" > operations_research::CostValue< / a > < / div > < div class = "ttdeci" > int64_t CostValue< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ebert__graph_8h_source.html#l00203" > ebert_graph.h:203< / a > < / div > < / div >
< div class = "ttc" id = "apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0" > < div class = "ttname" > < a href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > < / div > < div class = "ttdeci" > int index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pack_8cc_source.html#l00509" > pack.cc:509< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "aperfect__matching_8h_html" > < div class = "ttname" > < a href = "perfect__matching_8h.html" > perfect_matching.h< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "aresource_8cc_html_af12056bc2a8e3ec563f0940d87abbd2e" > < div class = "ttname" > < a href = "resource_8cc.html#af12056bc2a8e3ec563f0940d87abbd2e" > delta< / a > < / div > < div class = "ttdeci" > int64_t delta< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "resource_8cc_source.html#l01692" > resource.cc:1692< / a > < / div > < / div >
< div class = "ttc" id = "arouting__flow_8cc_html_a64e7efc5529154ba56903e75f5300990" > < div class = "ttname" > < a href = "routing__flow_8cc.html#a64e7efc5529154ba56903e75f5300990" > tail< / a > < / div > < div class = "ttdeci" > int64_t tail< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00149" > routing_flow.cc:149< / a > < / div > < / div >
< div class = "ttc" id = "arouting__flow_8cc_html_a75d7b5e4cab1e156cc7a2c5eba1e16f1" > < div class = "ttname" > < a href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > < / div > < div class = "ttdeci" > int64_t cost< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00152" > routing_flow.cc:152< / a > < / div > < / div >
< div class = "ttc" id = "arouting__flow_8cc_html_afca32f65388659a4b0956496169488b4" > < div class = "ttname" > < a href = "routing__flow_8cc.html#afca32f65388659a4b0956496169488b4" > head< / a > < / div > < div class = "ttdeci" > int64_t head< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__flow_8cc_source.html#l00150" > routing_flow.cc:150< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "asaturated__arithmetic_8h_html" > < div class = "ttname" > < a href = "saturated__arithmetic_8h.html" > saturated_arithmetic.h< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_edge_html" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_edge.html" > operations_research::BlossomGraph::Edge< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00257" > perfect_matching.h:257< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_edge_html_a015731c5f4abd13de18e78c4e4bb35ce" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a015731c5f4abd13de18e78c4e4bb35ce" > operations_research::BlossomGraph::Edge::slack< / a > < / div > < div class = "ttdeci" > CostValue slack< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00286" > perfect_matching.h:286< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_edge_html_a91f6a7d52fa6d6f96cdf7755641e0055" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#a91f6a7d52fa6d6f96cdf7755641e0055" > operations_research::BlossomGraph::Edge::head< / a > < / div > < div class = "ttdeci" > NodeIndex head< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00295" > perfect_matching.h:295< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_edge_html_ac244bdf901af2bc171478cbcfa09266e" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac244bdf901af2bc171478cbcfa09266e" > operations_research::BlossomGraph::Edge::tail< / a > < / div > < div class = "ttdeci" > NodeIndex tail< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00294" > perfect_matching.h:294< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_edge_html_ac999b32b9bba996b3abca3c5fe9f81d8" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ac999b32b9bba996b3abca3c5fe9f81d8" > operations_research::BlossomGraph::Edge::pseudo_slack< / a > < / div > < div class = "ttdeci" > CostValue pseudo_slack< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00282" > perfect_matching.h:282< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_edge_html_ad9e501cd6bde03f8ed86ebac02b043c9" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_edge.html#ad9e501cd6bde03f8ed86ebac02b043c9" > operations_research::BlossomGraph::Edge::OtherEnd< / a > < / div > < div class = "ttdeci" > NodeIndex OtherEnd(NodeIndex n) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00268" > perfect_matching.h:268< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html" > operations_research::BlossomGraph::Node< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00181" > perfect_matching.h:181< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_a0c5e020f1174f613f0fe58d93e9cefa1" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0c5e020f1174f613f0fe58d93e9cefa1" > operations_research::BlossomGraph::Node::match< / a > < / div > < div class = "ttdeci" > NodeIndex match< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00218" > perfect_matching.h:218< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_a0d7fbff09819deb796dfbcb6370b12b2" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a0d7fbff09819deb796dfbcb6370b12b2" > operations_research::BlossomGraph::Node::IsBlossom< / a > < / div > < div class = "ttdeci" > bool IsBlossom() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00200" > perfect_matching.h:200< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_a48a8004385fae256a9c93d353016bea1" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a48a8004385fae256a9c93d353016bea1" > operations_research::BlossomGraph::Node::IsFree< / a > < / div > < div class = "ttdeci" > bool IsFree() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00193" > perfect_matching.h:193< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_a60c314ee4437d32edbfb3a178b41b433" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a60c314ee4437d32edbfb3a178b41b433" > operations_research::BlossomGraph::Node::blossom< / a > < / div > < div class = "ttdeci" > std::vector< NodeIndex > blossom< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00241" > perfect_matching.h:241< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_a6bd5709ed0198c891c1d312e700c083b" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a6bd5709ed0198c891c1d312e700c083b" > operations_research::BlossomGraph::Node::IsInternal< / a > < / div > < div class = "ttdeci" > bool IsInternal() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00189" > perfect_matching.h:189< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_a768efacafc19717a4d6f28a2f9f41ae3" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a768efacafc19717a4d6f28a2f9f41ae3" > operations_research::BlossomGraph::Node::parent< / a > < / div > < div class = "ttdeci" > NodeIndex parent< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00214" > perfect_matching.h:214< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_a773c851657cfc5a2dbc0fb25958e668a" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a773c851657cfc5a2dbc0fb25958e668a" > operations_research::BlossomGraph::Node::saved_pseudo_dual< / a > < / div > < div class = "ttdeci" > CostValue saved_pseudo_dual< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00252" > perfect_matching.h:252< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a8cf7b66e4c76384f3d1d1f9a4ee8ae02" > operations_research::BlossomGraph::Node::IsPlus< / a > < / div > < div class = "ttdeci" > bool IsPlus() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00194" > perfect_matching.h:194< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_a90f9ea0f563c8c66d404c8af98634be2" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#a90f9ea0f563c8c66d404c8af98634be2" > operations_research::BlossomGraph::Node::root< / a > < / div > < div class = "ttdeci" > NodeIndex root< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00222" > perfect_matching.h:222< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_aa5998e93c946a8c5ec1626dee2915555" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aa5998e93c946a8c5ec1626dee2915555" > operations_research::BlossomGraph::Node::saved_blossom< / a > < / div > < div class = "ttdeci" > std::vector< NodeIndex > saved_blossom< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00253" > perfect_matching.h:253< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_aaac09b61c2e9f87b7b2234836d5a950a" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aaac09b61c2e9f87b7b2234836d5a950a" > operations_research::BlossomGraph::Node::dual< / a > < / div > < div class = "ttdeci" > CostValue dual< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00235" > perfect_matching.h:235< / a > < / div > < / div >
2020-10-09 12:00:09 +02:00
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_aab699e604962539cc9305c4e496032a5" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#aab699e604962539cc9305c4e496032a5" > operations_research::BlossomGraph::Node::is_internal< / a > < / div > < div class = "ttdeci" > bool is_internal< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00210" > perfect_matching.h:210< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_ac765329451135abec74c45e1897abf26" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ac765329451135abec74c45e1897abf26" > operations_research::BlossomGraph::Node::type< / a > < / div > < div class = "ttdeci" > int type< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00207" > perfect_matching.h:207< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_ae51446839a3bac95fbd94fb2cb34f810" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae51446839a3bac95fbd94fb2cb34f810" > operations_research::BlossomGraph::Node::pseudo_dual< / a > < / div > < div class = "ttdeci" > CostValue pseudo_dual< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00231" > perfect_matching.h:231< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_ae812ee39507ef5bd0cb6b58605c7803d" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#ae812ee39507ef5bd0cb6b58605c7803d" > operations_research::BlossomGraph::Node::saved_dual< / a > < / div > < div class = "ttdeci" > CostValue saved_dual< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00250" > perfect_matching.h:250< / a > < / div > < / div >
< div class = "ttc" id = "astructoperations__research_1_1_blossom_graph_1_1_node_html_af7b352e9f09d2400d7686572bec02ef1" > < div class = "ttname" > < a href = "structoperations__research_1_1_blossom_graph_1_1_node.html#af7b352e9f09d2400d7686572bec02ef1" > operations_research::BlossomGraph::Node::IsMinus< / a > < / div > < div class = "ttdeci" > bool IsMinus() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "perfect__matching_8h_source.html#l00195" > perfect_matching.h:195< / a > < / div > < / div >
< / div > <!-- fragment --> < / div > <!-- contents -->
< / div > <!-- doc - content -->
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_725f3a5915051842f84e3ea508be2a62.html" > graph< / a > < / li > < li class = "navelem" > < a class = "el" href = "perfect__matching_8cc.html" > perfect_matching.cc< / a > < / li >
< li class = "footer" > Generated by
< a href = "http://www.doxygen.org/index.html" >
2021-01-26 11:28:50 +01:00
< img class = "footer" src = "doxygen.png" alt = "doxygen" / > < / a > 1.9.1 < / li >
2020-09-02 09:42:51 +02:00
< / ul >
< / div >
< / body >
< / html >
