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" / >
2022-01-17 21:42:14 +01:00
< meta name = "generator" content = "Doxygen 1.9.3" / >
2020-09-02 09:42:51 +02:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
< title > OR-Tools: routing_sat.cc Source File< / title >
< link href = "tabs.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "jquery.js" > < / script >
< script type = "text/javascript" src = "dynsections.js" > < / script >
< link href = "navtree.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "resize.js" > < / script >
< script type = "text/javascript" src = "navtreedata.js" > < / script >
< script type = "text/javascript" src = "navtree.js" > < / script >
< link href = "search/search.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "search/searchdata.js" > < / script >
< script type = "text/javascript" src = "search/search.js" > < / script >
< link href = "doxygen.css" rel = "stylesheet" type = "text/css" / >
< link href = "styleSheet.tmp.css" rel = "stylesheet" type = "text/css" / >
< / head >
< body >
< div id = "top" > <!-- do not remove this div, it is closed by doxygen! -->
< div id = "titlearea" >
< table cellspacing = "0" cellpadding = "0" >
< tbody >
< tr style = "height: 56px;" >
< td id = "projectlogo" > < img alt = "Logo" src = "orLogo.png" / > < / td >
< td id = "projectalign" style = "padding-left: 0.5em;" >
< div id = "projectname" > OR-Tools
2022-03-04 00:11:33 +01:00
  < span id = "projectnumber" > 9.3< / span >
2020-09-02 09:42:51 +02:00
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2022-01-17 21:42:14 +01:00
<!-- Generated by Doxygen 1.9.3 -->
2020-09-02 09:42:51 +02:00
< script type = "text/javascript" >
2022-01-17 21:42:14 +01:00
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699& dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search",'Search','.html');
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" >
2022-01-17 21:42:14 +01:00
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699& dn=expat.txt MIT */
2020-09-02 09:42:51 +02:00
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
2022-01-17 21:42:14 +01:00
/* @license-end */
< / script >
2020-09-02 09:42:51 +02:00
< div id = "main-nav" > < / div >
< / div > <!-- top -->
< div id = "side-nav" class = "ui-resizable side-nav-resizable" >
< div id = "nav-tree" >
< div id = "nav-tree-contents" >
< div id = "nav-sync" class = "sync" > < / div >
< / div >
< / div >
< div id = "splitbar" style = "-moz-user-select:none;"
class="ui-resizable-handle">
< / div >
< / div >
< script type = "text/javascript" >
2022-01-17 21:42:14 +01:00
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699& dn=expat.txt MIT */
$(document).ready(function(){initNavTree('routing__sat_8cc_source.html',''); initResizable(); });
2020-09-02 09:42:51 +02:00
/* @license-end */
< / script >
< div id = "doc-content" >
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
< / div >
<!-- iframe showing the search results (closed by default) -->
< div id = "MSearchResultsWindow" >
< iframe src = "javascript:void(0)" frameborder = "0"
name="MSearchResults" id="MSearchResults">
< / iframe >
< / div >
< div class = "header" >
2022-01-17 21:42:14 +01:00
< div class = "headertitle" > < div class = "title" > routing_sat.cc< / div > < / div >
2020-09-02 09:42:51 +02:00
< / div > <!-- header -->
< div class = "contents" >
2022-01-17 21:42:14 +01:00
< a href = "routing__sat_8cc.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #include < cstdint> < / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "preprocessor" > #include < functional> < / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include < limits> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include < map> < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include < memory> < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include < utility> < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "preprocessor" > #include " absl/container/flat_hash_map.h" < / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #include " absl/time/time.h" < / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "preprocessor" > #include " < a class = "code" href = "integral__types_8h.html" > ortools/base/integral_types.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "preprocessor" > #include " < a class = "code" href = "base_2logging_8h.html" > ortools/base/logging.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "preprocessor" > #include " < a class = "code" href = "map__util_8h.html" > ortools/base/map_util.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "preprocessor" > #include " < a class = "code" href = "constraint__solver_8h.html" > ortools/constraint_solver/constraint_solver.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "preprocessor" > #include " < a class = "code" href = "routing_8h.html" > ortools/constraint_solver/routing.h< / a > " < / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "preprocessor" > #include " ortools/constraint_solver/routing_parameters.pb.h" < / span > < / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "preprocessor" > #include " < a class = "code" href = "routing__types_8h.html" > ortools/constraint_solver/routing_types.h< / a > " < / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "preprocessor" > #include " ortools/sat/cp_model.pb.h" < / span > < / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "preprocessor" > #include " < a class = "code" href = "cp__model__solver_8h.html" > ortools/sat/cp_model_solver.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "preprocessor" > #include " < a class = "code" href = "integer_8h.html" > ortools/sat/integer.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "preprocessor" > #include " < a class = "code" href = "sat_2model_8h.html" > ortools/sat/model.h< / a > " < / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "preprocessor" > #include " ortools/sat/sat_parameters.pb.h" < / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "preprocessor" > #include " ortools/util/optional_boolean.pb.h" < / span > < / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / 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 id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1sat.html" > 41< / a > < / span > < span class = "keyword" > namespace < / span > sat {< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < span class = "comment" > // As of 07/2019, TSPs and VRPs with homogeneous fleets of vehicles are< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "comment" > // supported.< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < span class = "comment" > // TODO(user): Support any type of constraints.< / span > < / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "comment" > // TODO(user): Make VRPs properly support optional nodes.< / span > < / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < span class = "keywordtype" > bool< / span > RoutingModelCanBeSolvedBySat(< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_routing_model.html" > RoutingModel< / a > & < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) {< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetVehicleClassesCount() == 1;< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > }< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "comment" > // Adds an integer variable to a CpModelProto, returning its index in the proto.< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "keywordtype" > int< / span > AddVariable(CpModelProto* cp_model, int64_t lb, int64_t ub) {< / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > = cp_model-> variables_size();< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > IntegerVariableProto* < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = cp_model-> add_variables();< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> add_domain(lb);< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> add_domain(ub);< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > }< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "comment" > // Adds a linear constraint, enforcing< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "comment" > // enforcement_literals -> lower_bound < = sum variable * coeff < = upper_bound.< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "keywordtype" > void< / span > AddLinearConstraint(< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > CpModelProto* cp_model, int64_t < a class = "code hl_variable" href = "gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec" > lower_bound< / a > , int64_t < a class = "code hl_variable" href = "gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35" > upper_bound< / a > ,< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < span class = "keyword" > const< / span > std::vector< std::pair< int, double> > & variable_coeffs,< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "keyword" > const< / span > std::vector< int> & enforcement_literals) {< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c" > CHECK_LE< / a > (< a class = "code hl_variable" href = "gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec" > lower_bound< / a > , < a class = "code hl_variable" href = "gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35" > upper_bound< / a > );< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > ConstraintProto* < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = cp_model-> add_constraints();< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > enforcement_literal : enforcement_literals) {< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> add_enforcement_literal(enforcement_literal);< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > }< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > LinearConstraintProto* arg = < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> mutable_linear();< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > arg-> add_domain(< a class = "code hl_variable" href = "gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec" > lower_bound< / a > );< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > arg-> add_domain(< a class = "code hl_variable" href = "gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35" > upper_bound< / a > );< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , < a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > ] : variable_coeffs) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > arg-> add_vars(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > arg-> add_coeffs(< a class = "code hl_variable" href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > );< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > }< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > }< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "comment" > // Adds a linear constraint, enforcing< / span > < / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < span class = "comment" > // lower_bound < = sum variable * coeff < = upper_bound.< / span > < / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "keywordtype" > void< / span > AddLinearConstraint(< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > CpModelProto* cp_model, int64_t < a class = "code hl_variable" href = "gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec" > lower_bound< / a > , int64_t < a class = "code hl_variable" href = "gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35" > upper_bound< / a > ,< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < span class = "keyword" > const< / span > std::vector< std::pair< int, double> > & variable_coeffs) {< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > AddLinearConstraint(cp_model, < a class = "code hl_variable" href = "gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec" > lower_bound< / a > , < a class = "code hl_variable" href = "gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35" > upper_bound< / a > , variable_coeffs, {});< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > }< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < span class = "comment" > // Returns the unique depot node used in the CP-SAT models (as of 01/2020).< / span > < / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > int64_t GetDepotFromModel(< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_routing_model.html" > RoutingModel< / a > & < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ) { < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(0); }< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "comment" > // Structure to keep track of arcs created.< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "keyword" > struct < / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > {< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > < a class = "line" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > 94< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ;< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > < a class = "line" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > 95< / a > < / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ;< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "keyword" > friend< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "namespaceoperations__research.html#ae161405d349af5d521fa0fd25c3b6f83" > operator==< / a > (< span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > & < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > , < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > & < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > ) {< / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > .tail == < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > .tail & & < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > .head == < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > .head;< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > }< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "keyword" > friend< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1math__opt.html#ab178aaedd4038bc74e549075b3b09a92" > operator!=< / a > (< span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > & < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > , < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > & < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > ) { < span class = "keywordflow" > return< / span > !(< a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > == < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > ); }< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "keyword" > friend< / span > < span class = "keywordtype" > bool< / span > operator< (< span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > & < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > , < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > & < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > ) {< / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > .tail == < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > .tail ? < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > .head < < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > .head : < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > .tail < < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > .tail;< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > }< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < span class = "keyword" > friend< / span > std::ostream& < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a15ca399ada8a279dc92f693ede7e4004" > operator< < < / a > (std::ostream& strm, < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > & < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ) {< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < span class = "keywordflow" > return< / span > strm < < < span class = "stringliteral" > " {" < / span > < < < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .tail < < < span class = "stringliteral" > " , " < / span > < < < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .head < < < span class = "stringliteral" > " }" < / span > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > }< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > H> < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "keyword" > friend< / span > H < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#adf5729c9f2cd9c6c4897cd486978291a" > AbslHashValue< / a > (H h, < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > & < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > ) {< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < span class = "keywordflow" > return< / span > H::combine(std::move(h), < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > .tail, < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > .head);< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > }< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > };< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < span class = "keyword" > using< / span > ArcVarMap = std::map< Arc, int> ; < span class = "comment" > // needs to be stable when iterating< / span > < / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "comment" > // Adds all dimensions to a CpModelProto. Only adds path cumul constraints and< / span > < / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < span class = "comment" > // cumul bounds.< / span > < / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > < span class = "keywordtype" > void< / span > AddDimensions(< span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > RoutingDimension* dimension : < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDimensions()) {< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "comment" > // Only a single vehicle class.< / span > < / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "classoperations__research_1_1_routing_model.html#a5fa8aee5b0c67072dbbb03f1899ec60a" > RoutingModel::TransitCallback2< / a > & transit =< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > dimension-> transit_evaluator(0);< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > std::vector< int> cumuls(dimension-> cumuls().size(), -1);< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "keyword" > const< / span > int64_t min_start = dimension-> cumuls()[< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(0)]-> Min();< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < span class = "keyword" > const< / span > int64_t max_end = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (dimension-> cumuls()[< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .End(0)]-> Max(),< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > dimension-> vehicle_capacities()[0]);< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < cumuls.size(); ++i) {< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(i) || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(i)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < span class = "comment" > // Reducing bounds supposing the triangular inequality.< / span > < / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < span class = "keyword" > const< / span > int64_t cumul_min =< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::max< / a > (< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a5316808a2d5007c3b489e844801385e5" > sat::kMinIntegerValue< / a > .< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (),< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::max< / a > (dimension-> cumuls()[i]-> Min(),< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < a class = "code hl_function" href = "namespaceoperations__research.html#a111f44b9b9cf67a8e8d83794ac9f5291" > CapAdd< / a > (transit(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(0), i), min_start)));< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "keyword" > const< / span > int64_t cumul_max =< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8" > sat::kMaxIntegerValue< / a > .< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > (),< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (dimension-> cumuls()[i]-> Max(),< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > < a class = "code hl_function" href = "namespaceoperations__research.html#a4a43d435871f16c321861fa5de32df82" > CapSub< / a > (max_end, transit(i, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .End(0)))));< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > cumuls[i] = AddVariable(cp_model, cumul_min, cumul_max);< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > }< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > arc_var : arc_vars) {< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = arc_var.first.tail;< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > = arc_var.first.head;< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > == < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > )) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < span class = "comment" > // arc[tail][head] -> cumuls[head] > = cumuls[tail] + transit.< / span > < / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < span class = "comment" > // This is a relaxation of the model as it does not consider slack max.< / span > < / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > AddLinearConstraint(< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > cp_model, transit(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > , < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ), < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > (),< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > {{cumuls[< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ], 1}, {cumuls[< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ], -1}}, {arc_var.second});< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > }< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > }< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > }< / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > std::vector< int> CreateRanks(< span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > depot = GetDepotFromModel(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > size = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Size() + < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles();< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > rank_size = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Size() - < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles();< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > std::vector< int> ranks(size, -1);< / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < size; ++i) {< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(i) || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(i)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > ranks[i] = AddVariable(cp_model, 0, rank_size);< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > }< / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > ranks[depot] = AddVariable(cp_model, 0, 0);< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > arc_var : arc_vars) {< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = arc_var.first.tail;< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > = arc_var.first.head;< / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > == < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > || < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > == depot) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < span class = "comment" > // arc[tail][head] -> ranks[head] == ranks[tail] + 1.< / span > < / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > AddLinearConstraint(cp_model, 1, 1, {{ranks[< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ], 1}, {ranks[< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ], -1}},< / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > {arc_var.second});< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > }< / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "keywordflow" > return< / span > ranks;< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > }< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < span class = "comment" > // Vehicle variables do not actually represent the index of the vehicle< / span > < / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < span class = "comment" > // performing a node, but we ensure that the values of two vehicle variables< / span > < / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > < span class = "comment" > // are the same if and only if the corresponding nodes are served by the same< / span > < / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > < span class = "comment" > // vehicle.< / span > < / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > std::vector< int> CreateVehicleVars(< span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > depot = GetDepotFromModel(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > size = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Size() + < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles();< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > std::vector< int> vehicles(size, -1);< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < size; ++i) {< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(i) || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(i)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > vehicles[i] = AddVariable(cp_model, 0, size - 1);< / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > }< / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > arc_var : arc_vars) {< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = arc_var.first.tail;< / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > = arc_var.first.head;< / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > == < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > || < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > == depot) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > == depot) {< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < span class = "comment" > // arc[depot][head] -> vehicles[head] == head.< / span > < / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > AddLinearConstraint(cp_model, < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > , < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > , {{vehicles[< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ], 1}},< / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > {arc_var.second});< / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > }< / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > < span class = "comment" > // arc[tail][head] -> vehicles[head] == vehicles[tail].< / span > < / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > AddLinearConstraint(cp_model, 0, 0,< / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > {{vehicles[< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ], 1}, {vehicles[< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ], -1}},< / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > {arc_var.second});< / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > }< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > < span class = "keywordflow" > return< / span > vehicles;< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > }< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > < / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > < span class = "keywordtype" > void< / span > AddPickupDeliveryConstraints(< span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetPickupAndDeliveryPairs().empty()) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > < span class = "keyword" > const< / span > std::vector< int> ranks = CreateRanks(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, cp_model);< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < span class = "keyword" > const< / span > std::vector< int> vehicles =< / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > CreateVehicleVars(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, cp_model);< / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & pairs : < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetPickupAndDeliveryPairs()) {< / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > < span class = "keyword" > const< / span > int64_t pickup = pairs.first[0];< / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > < span class = "keyword" > const< / span > int64_t delivery = pairs.second[0];< / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > < span class = "comment" > // ranks[pickup] + 1 < = ranks[delivery].< / span > < / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > AddLinearConstraint(cp_model, 1, < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > (),< / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > {{ranks[delivery], 1}, {ranks[pickup], -1}});< / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > < span class = "comment" > // vehicles[pickup] == vehicles[delivery]< / span > < / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > AddLinearConstraint(cp_model, 0, 0,< / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > {{vehicles[delivery], 1}, {vehicles[pickup], -1}});< / div >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > }< / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > }< / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > < / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > < span class = "comment" > // Converts a RoutingModel to CpModelProto for models with multiple vehicles.< / span > < / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > < span class = "comment" > // All non-start/end nodes have the same index in both models. Start/end nodes< / span > < / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "comment" > // map to a single depot index; its value is arbitrarly the index of the start< / span > < / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > < span class = "comment" > // node of the first vehicle in the RoutingModel.< / span > < / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > < span class = "comment" > // The map between CPModelProto arcs and their corresponding arc variable is< / span > < / div >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > < span class = "comment" > // returned.< / span > < / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > ArcVarMap PopulateMultiRouteModelFromRoutingModel(< span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > ArcVarMap arc_vars;< / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_nodes = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Nexts().size();< / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > depot = GetDepotFromModel(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > < / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > < span class = "comment" > // Create " arc" variables and set their cost.< / span > < / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = 0; < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > < num_nodes; ++< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#aaf2e0a8c3adf4282a64dedbfc3ad9dbc" > tail_index< / a > = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) ? depot : < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > std::unique_ptr< IntVarIterator> iter(< / div >
< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > )-> MakeDomainIterator(< span class = "keyword" > false< / span > ));< / div >
< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > : InitAndGetValues(iter.get())) {< / div >
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > < span class = "comment" > // Vehicle start and end nodes are represented as a single node in the< / span > < / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > < span class = "comment" > // CP-SAT model. We choose the start index of the first vehicle to< / span > < / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > < span class = "comment" > // represent both. We can also skip any head representing a vehicle start< / span > < / div >
< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > < span class = "comment" > // as the CP solver will reject those.< / span > < / div >
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > )) < span class = "keywordflow" > continue< / span > ;< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > 250< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a6838828409e38d5296e8379d61758293" > head_index< / a > = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ) ? depot : < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ;< / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "local__search_8cc.html#a6838828409e38d5296e8379d61758293" > head_index< / a > == < a class = "code hl_variable" href = "local__search_8cc.html#aaf2e0a8c3adf4282a64dedbfc3ad9dbc" > tail_index< / a > & & < a class = "code hl_variable" href = "local__search_8cc.html#a6838828409e38d5296e8379d61758293" > head_index< / a > == depot) < span class = "keywordflow" > continue< / span > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00252" name = "l00252" > < / a > < span class = "lineno" > 252< / span > < span class = "keyword" > const< / span > int64_t < a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > = < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > != < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ? < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetHomogeneousCost(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > , < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > )< / div >
< div class = "line" > < a id = "l00253" name = "l00253" > < / a > < span class = "lineno" > 253< / span > : < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .UnperformedPenalty(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > );< / div >
< div class = "line" > < a id = "l00254" name = "l00254" > < / a > < span class = "lineno" > 254< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > == < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > ()) < span class = "keywordflow" > continue< / span > ;< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > = {< a class = "code hl_variable" href = "local__search_8cc.html#aaf2e0a8c3adf4282a64dedbfc3ad9dbc" > tail_index< / a > , < a class = "code hl_variable" href = "local__search_8cc.html#a6838828409e38d5296e8379d61758293" > head_index< / a > };< / div >
< div class = "line" > < a id = "l00256" name = "l00256" > < / a > < span class = "lineno" > 256< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (arc_vars, < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > )) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > = AddVariable(cp_model, 0, 1);< / div >
< div class = "line" > < a id = "l00258" name = "l00258" > < / a > < span class = "lineno" > 258< / span > < a class = "code hl_function" href = "namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181" > gtl::InsertOrDie< / a > (& arc_vars, < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > );< / div >
< div class = "line" > < a id = "l00259" name = "l00259" > < / a > < span class = "lineno" > 259< / span > cp_model-> mutable_objective()-> add_vars(< a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > );< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > cp_model-> mutable_objective()-> add_coeffs(< a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > );< / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > }< / div >
< div class = "line" > < a id = "l00262" name = "l00262" > < / a > < span class = "lineno" > 262< / span > }< / div >
< div class = "line" > < a id = "l00263" name = "l00263" > < / a > < span class = "lineno" > 263< / span > < / div >
< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > < span class = "comment" > // Limit the number of routes to the maximum number of vehicles.< / span > < / div >
< div class = "line" > < a id = "l00265" name = "l00265" > < / a > < span class = "lineno" > 265< / span > {< / div >
< div class = "line" > < a id = "l00266" name = "l00266" > < / a > < span class = "lineno" > 266< / span > std::vector< std::pair< int, double> > variable_coeffs;< / div >
< div class = "line" > < a id = "l00267" name = "l00267" > < / a > < span class = "lineno" > 267< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > node = 0; node < num_nodes; ++node) {< / div >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(node) || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(node)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > < span class = "keywordtype" > int< / span > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = < a class = "code hl_function" href = "namespacegtl.html#a9f74dcd1ec00022462cbf110edaafc6d" > gtl::FindOrNull< / a > (arc_vars, {depot, node});< / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > == < span class = "keyword" > nullptr< / span > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > variable_coeffs.push_back({*< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > , 1});< / div >
< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > }< / div >
< div class = "line" > < a id = "l00273" name = "l00273" > < / a > < span class = "lineno" > 273< / span > AddLinearConstraint(< / div >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > cp_model, 0,< / div >
< div class = "line" > < a id = "l00275" name = "l00275" > < / a > < span class = "lineno" > 275< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(), < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetMaximumNumberOfActiveVehicles()),< / div >
< div class = "line" > < a id = "l00276" name = "l00276" > < / a > < span class = "lineno" > 276< / span > variable_coeffs);< / div >
< div class = "line" > < a id = "l00277" name = "l00277" > < / a > < span class = "lineno" > 277< / span > }< / div >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > < / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > 279< / span > AddPickupDeliveryConstraints(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, cp_model);< / div >
< div class = "line" > < a id = "l00280" name = "l00280" > < / a > < span class = "lineno" > 280< / span > < / div >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > AddDimensions(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, cp_model);< / div >
< div class = "line" > < a id = "l00282" name = "l00282" > < / a > < span class = "lineno" > 282< / span > < / div >
< div class = "line" > < a id = "l00283" name = "l00283" > < / a > < span class = "lineno" > 283< / span > < span class = "comment" > // Create Routes constraint, ensuring circuits from and to the depot.< / span > < / div >
< div class = "line" > < a id = "l00284" name = "l00284" > < / a > < span class = "lineno" > 284< / span > < span class = "comment" > // This one is a bit tricky, because we need to remap the depot to zero.< / span > < / div >
< div class = "line" > < a id = "l00285" name = "l00285" > < / a > < span class = "lineno" > 285< / span > < span class = "comment" > // TODO(user): Make Routes constraints support optional nodes.< / span > < / div >
< div class = "line" > < a id = "l00286" name = "l00286" > < / a > < span class = "lineno" > 286< / span > RoutesConstraintProto* routes_ct =< / div >
< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > cp_model-> add_constraints()-> mutable_routes();< / div >
< div class = "line" > < a id = "l00288" name = "l00288" > < / a > < span class = "lineno" > 288< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > arc_var : arc_vars) {< / div >
< div class = "line" > < a id = "l00289" name = "l00289" > < / a > < span class = "lineno" > 289< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = arc_var.first.tail;< / div >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > = arc_var.first.head;< / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > 291< / span > routes_ct-> add_tails(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > == 0 ? depot : < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > == depot ? 0 : < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > );< / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > 292< / span > routes_ct-> add_heads(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > == 0 ? depot : < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > == depot ? 0 : < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > );< / div >
< div class = "line" > < a id = "l00293" name = "l00293" > < / a > < span class = "lineno" > 293< / span > routes_ct-> add_literals(arc_var.second);< / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > }< / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > < / div >
< div class = "line" > < a id = "l00296" name = "l00296" > < / a > < span class = "lineno" > 296< / span > < span class = "comment" > // Add demands and capacities to improve the LP relaxation and cuts. These are< / span > < / div >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > < span class = "comment" > // based on the first " unary" dimension in the model if it exists.< / span > < / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > < span class = "comment" > // TODO(user): We might want to try to get demand lower bounds from< / span > < / div >
< div class = "line" > < a id = "l00299" name = "l00299" > < / a > < span class = "lineno" > 299< / span > < span class = "comment" > // non-unary dimensions if no unary exist.< / span > < / div >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > < span class = "keyword" > const< / span > RoutingDimension* master_dimension = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > RoutingDimension* dimension : < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDimensions()) {< / div >
< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > < span class = "comment" > // Only a single vehicle class is supported.< / span > < / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > < span class = "keywordflow" > if< / span > (dimension-> GetUnaryTransitEvaluator(0) != < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > master_dimension = dimension;< / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > }< / div >
< div class = "line" > < a id = "l00307" name = "l00307" > < / a > < span class = "lineno" > 307< / span > }< / div >
< div class = "line" > < a id = "l00308" name = "l00308" > < / a > < span class = "lineno" > 308< / span > < span class = "keywordflow" > if< / span > (master_dimension != < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a id = "l00309" name = "l00309" > < / a > < span class = "lineno" > 309< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "classoperations__research_1_1_routing_model.html#a204041e5264282d54dfd198011e776d3" > RoutingModel::TransitCallback1< / a > & transit =< / div >
< div class = "line" > < a id = "l00310" name = "l00310" > < / a > < span class = "lineno" > 310< / span > master_dimension-> GetUnaryTransitEvaluator(0);< / div >
< div class = "line" > < a id = "l00311" name = "l00311" > < / a > < span class = "lineno" > 311< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > node = 0; node < num_nodes; ++node) {< / div >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > < span class = "comment" > // Tricky: demand is added for all nodes in the sat model; this means< / span > < / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > < span class = "comment" > // start/end nodes other than the one used for the depot must be ignored.< / span > < / div >
< div class = "line" > < a id = "l00314" name = "l00314" > < / a > < span class = "lineno" > 314< / span > < span class = "keywordflow" > if< / span > (!< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(node) & & (!< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(node) || node == depot)) {< / div >
< div class = "line" > < a id = "l00315" name = "l00315" > < / a > < span class = "lineno" > 315< / span > routes_ct-> add_demands(transit(node));< / div >
< div class = "line" > < a id = "l00316" name = "l00316" > < / a > < span class = "lineno" > 316< / span > }< / div >
< div class = "line" > < a id = "l00317" name = "l00317" > < / a > < span class = "lineno" > 317< / span > }< / div >
< div class = "line" > < a id = "l00318" name = "l00318" > < / a > < span class = "lineno" > 318< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (routes_ct-> demands_size(), num_nodes + 1 - < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles());< / div >
< div class = "line" > < a id = "l00319" name = "l00319" > < / a > < span class = "lineno" > 319< / span > routes_ct-> set_capacity(master_dimension-> vehicle_capacities()[0]);< / div >
< div class = "line" > < a id = "l00320" name = "l00320" > < / a > < span class = "lineno" > 320< / span > }< / div >
< div class = "line" > < a id = "l00321" name = "l00321" > < / a > < span class = "lineno" > 321< / span > < span class = "keywordflow" > return< / span > arc_vars;< / div >
< div class = "line" > < a id = "l00322" name = "l00322" > < / a > < span class = "lineno" > 322< / span > }< / div >
< div class = "line" > < a id = "l00323" name = "l00323" > < / a > < span class = "lineno" > 323< / span > < / div >
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > < span class = "comment" > // Converts a RoutingModel with a single vehicle to a CpModelProto.< / span > < / div >
< div class = "line" > < a id = "l00325" name = "l00325" > < / a > < span class = "lineno" > 325< / span > < span class = "comment" > // The mapping between CPModelProto arcs and their corresponding arc variables< / span > < / div >
< div class = "line" > < a id = "l00326" name = "l00326" > < / a > < span class = "lineno" > 326< / span > < span class = "comment" > // is returned.< / span > < / div >
< div class = "line" > < a id = "l00327" name = "l00327" > < / a > < span class = "lineno" > 327< / span > ArcVarMap PopulateSingleRouteModelFromRoutingModel(< span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > ArcVarMap arc_vars;< / div >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > 330< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_nodes = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Nexts().size();< / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > CircuitConstraintProto* circuit =< / div >
< div class = "line" > < a id = "l00332" name = "l00332" > < / a > < span class = "lineno" > 332< / span > cp_model-> add_constraints()-> mutable_circuit();< / div >
< div class = "line" > < a id = "l00333" name = "l00333" > < / a > < span class = "lineno" > 333< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = 0; < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > < num_nodes; ++< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) {< / div >
< div class = "line" > < a id = "l00334" name = "l00334" > < / a > < span class = "lineno" > 334< / span > std::unique_ptr< IntVarIterator> iter(< / div >
< div class = "line" > < a id = "l00335" name = "l00335" > < / a > < span class = "lineno" > 335< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > )-> MakeDomainIterator(< span class = "keyword" > false< / span > ));< / div >
< div class = "line" > < a id = "l00336" name = "l00336" > < / a > < span class = "lineno" > 336< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > : InitAndGetValues(iter.get())) {< / div >
< div class = "line" > < a id = "l00337" name = "l00337" > < / a > < span class = "lineno" > 337< / span > < span class = "comment" > // Vehicle start and end nodes are represented as a single node in the< / span > < / div >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > 338< / span > < span class = "comment" > // CP-SAT model. We choose the start index to represent both. We can also< / span > < / div >
< div class = "line" > < a id = "l00339" name = "l00339" > < / a > < span class = "lineno" > 339< / span > < span class = "comment" > // skip any head representing a vehicle start as the CP solver will reject< / span > < / div >
< div class = "line" > < a id = "l00340" name = "l00340" > < / a > < span class = "lineno" > 340< / span > < span class = "comment" > // those.< / span > < / div >
< div class = "line" > < a id = "l00341" name = "l00341" > < / a > < span class = "lineno" > 341< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > )) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > )) < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(0);< / div >
< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > < span class = "keyword" > const< / span > int64_t < a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > = < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > != < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ? < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetHomogeneousCost(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > , < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > )< / div >
< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > : < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .UnperformedPenalty(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > );< / div >
< div class = "line" > < a id = "l00345" name = "l00345" > < / a > < span class = "lineno" > 345< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > == < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > ()) < span class = "keywordflow" > continue< / span > ;< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > = AddVariable(cp_model, 0, 1);< / div >
< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > circuit-> add_literals(< a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > );< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00348" name = "l00348" > < / a > < span class = "lineno" > 348< / span > circuit-> add_tails(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > );< / div >
< div class = "line" > < a id = "l00349" name = "l00349" > < / a > < span class = "lineno" > 349< / span > circuit-> add_heads(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > );< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00350" name = "l00350" > < / a > < span class = "lineno" > 350< / span > cp_model-> mutable_objective()-> add_vars(< a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > );< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00351" name = "l00351" > < / a > < span class = "lineno" > 351< / span > cp_model-> mutable_objective()-> add_coeffs(< a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > );< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00352" name = "l00352" > < / a > < span class = "lineno" > 352< / span > < a class = "code hl_function" href = "namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181" > gtl::InsertOrDie< / a > (& arc_vars, {< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > , < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > }, < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > );< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00353" name = "l00353" > < / a > < span class = "lineno" > 353< / span > }< / div >
< div class = "line" > < a id = "l00354" name = "l00354" > < / a > < span class = "lineno" > 354< / span > }< / div >
< div class = "line" > < a id = "l00355" name = "l00355" > < / a > < span class = "lineno" > 355< / span > AddPickupDeliveryConstraints(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, cp_model);< / div >
< div class = "line" > < a id = "l00356" name = "l00356" > < / a > < span class = "lineno" > 356< / span > AddDimensions(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, cp_model);< / div >
< div class = "line" > < a id = "l00357" name = "l00357" > < / a > < span class = "lineno" > 357< / span > < span class = "keywordflow" > return< / span > arc_vars;< / div >
< div class = "line" > < a id = "l00358" name = "l00358" > < / a > < span class = "lineno" > 358< / span > }< / div >
< div class = "line" > < a id = "l00359" name = "l00359" > < / a > < span class = "lineno" > 359< / span > < / div >
< div class = "line" > < a id = "l00360" name = "l00360" > < / a > < span class = "lineno" > 360< / span > < span class = "comment" > // Converts a RoutingModel to a CpModelProto.< / span > < / div >
< div class = "line" > < a id = "l00361" name = "l00361" > < / a > < span class = "lineno" > 361< / span > < span class = "comment" > // The mapping between CPModelProto arcs and their corresponding arc variables< / span > < / div >
< div class = "line" > < a id = "l00362" name = "l00362" > < / a > < span class = "lineno" > 362< / span > < span class = "comment" > // is returned.< / span > < / div >
< div class = "line" > < a id = "l00363" name = "l00363" > < / a > < span class = "lineno" > 363< / span > ArcVarMap PopulateModelFromRoutingModel(< span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00364" name = "l00364" > < / a > < span class = "lineno" > 364< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00365" name = "l00365" > < / a > < span class = "lineno" > 365< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles() == 1) {< / div >
< div class = "line" > < a id = "l00366" name = "l00366" > < / a > < span class = "lineno" > 366< / span > < span class = "keywordflow" > return< / span > PopulateSingleRouteModelFromRoutingModel(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , cp_model);< / div >
< div class = "line" > < a id = "l00367" name = "l00367" > < / a > < span class = "lineno" > 367< / span > }< / div >
< div class = "line" > < a id = "l00368" name = "l00368" > < / a > < span class = "lineno" > 368< / span > < span class = "keywordflow" > return< / span > PopulateMultiRouteModelFromRoutingModel(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , cp_model);< / div >
< div class = "line" > < a id = "l00369" name = "l00369" > < / a > < span class = "lineno" > 369< / span > }< / div >
< div class = "line" > < a id = "l00370" name = "l00370" > < / a > < span class = "lineno" > 370< / span > < / div >
< div class = "line" > < a id = "l00371" name = "l00371" > < / a > < span class = "lineno" > 371< / span > < span class = "comment" > // Converts a CpSolverResponse to an Assignment containing next variables.< / span > < / div >
< div class = "line" > < a id = "l00372" name = "l00372" > < / a > < span class = "lineno" > 372< / span > < span class = "keywordtype" > bool< / span > ConvertToSolution(< span class = "keyword" > const< / span > CpSolverResponse& < a class = "code hl_variable" href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > ,< / div >
< div class = "line" > < a id = "l00373" name = "l00373" > < / a > < span class = "lineno" > 373< / span > < span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00374" name = "l00374" > < / a > < span class = "lineno" > 374< / span > Assignment* solution) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00375" name = "l00375" > < / a > < span class = "lineno" > 375< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > .status() != CpSolverStatus::OPTIMAL & & < / div >
< div class = "line" > < a id = "l00376" name = "l00376" > < / a > < span class = "lineno" > 376< / span > < a class = "code hl_variable" href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > .status() != CpSolverStatus::FEASIBLE)< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00377" name = "l00377" > < / a > < span class = "lineno" > 377< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00378" name = "l00378" > < / a > < span class = "lineno" > 378< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > depot = GetDepotFromModel(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00379" name = "l00379" > < / a > < span class = "lineno" > 379< / span > < span class = "keywordtype" > int< / span > vehicle = 0;< / div >
< div class = "line" > < a id = "l00380" name = "l00380" > < / a > < span class = "lineno" > 380< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & arc_var : arc_vars) {< / div >
< div class = "line" > < a id = "l00381" name = "l00381" > < / a > < span class = "lineno" > 381< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > .solution(arc_var.second) != 0) {< / div >
< div class = "line" > < a id = "l00382" name = "l00382" > < / a > < span class = "lineno" > 382< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = arc_var.first.tail;< / div >
< div class = "line" > < a id = "l00383" name = "l00383" > < / a > < span class = "lineno" > 383< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > = arc_var.first.head;< / div >
< div class = "line" > < a id = "l00384" name = "l00384" > < / a > < span class = "lineno" > 384< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > == depot) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00385" name = "l00385" > < / a > < span class = "lineno" > 385< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > != depot) {< / div >
< div class = "line" > < a id = "l00386" name = "l00386" > < / a > < span class = "lineno" > 386< / span > solution-> Add(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ))-> SetValue(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > );< / div >
< div class = "line" > < a id = "l00387" name = "l00387" > < / a > < span class = "lineno" > 387< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00388" name = "l00388" > < / a > < span class = "lineno" > 388< / span > solution-> Add(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(vehicle)))-> SetValue(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > );< / div >
< div class = "line" > < a id = "l00389" name = "l00389" > < / a > < span class = "lineno" > 389< / span > ++vehicle;< / div >
< div class = "line" > < a id = "l00390" name = "l00390" > < / a > < span class = "lineno" > 390< / span > }< / div >
< div class = "line" > < a id = "l00391" name = "l00391" > < / a > < span class = "lineno" > 391< / span > }< / div >
< div class = "line" > < a id = "l00392" name = "l00392" > < / a > < span class = "lineno" > 392< / span > }< / div >
< div class = "line" > < a id = "l00393" name = "l00393" > < / a > < span class = "lineno" > 393< / span > < span class = "comment" > // Close open routes.< / span > < / div >
< div class = "line" > < a id = "l00394" name = "l00394" > < / a > < span class = "lineno" > 394< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > v = 0; v < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); ++v) {< / div >
< div class = "line" > < a id = "l00395" name = "l00395" > < / a > < span class = "lineno" > 395< / span > < span class = "keywordtype" > int< / span > current = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(v);< / div >
< div class = "line" > < a id = "l00396" name = "l00396" > < / a > < span class = "lineno" > 396< / span > < span class = "keywordflow" > while< / span > (solution-> Contains(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(current))) {< / div >
< div class = "line" > < a id = "l00397" name = "l00397" > < / a > < span class = "lineno" > 397< / span > current = solution-> Value(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(current));< / div >
< div class = "line" > < a id = "l00398" name = "l00398" > < / a > < span class = "lineno" > 398< / span > }< / div >
< div class = "line" > < a id = "l00399" name = "l00399" > < / a > < span class = "lineno" > 399< / span > solution-> Add(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(current))-> SetValue(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .End(v));< / div >
< div class = "line" > < a id = "l00400" name = "l00400" > < / a > < span class = "lineno" > 400< / span > }< / div >
< div class = "line" > < a id = "l00401" name = "l00401" > < / a > < span class = "lineno" > 401< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00402" name = "l00402" > < / a > < span class = "lineno" > 402< / span > }< / div >
< div class = "line" > < a id = "l00403" name = "l00403" > < / a > < span class = "lineno" > 403< / span > < / div >
< div class = "line" > < a id = "l00404" name = "l00404" > < / a > < span class = "lineno" > 404< / span > < span class = "comment" > // Adds dimensions to a CpModelProto for heterogeneous fleet. Adds path< / span > < / div >
< div class = "line" > < a id = "l00405" name = "l00405" > < / a > < span class = "lineno" > 405< / span > < span class = "comment" > // cumul constraints and cumul bounds.< / span > < / div >
< div class = "line" > < a id = "l00406" name = "l00406" > < / a > < span class = "lineno" > 406< / span > < span class = "keywordtype" > void< / span > AddGeneralizedDimensions(< / div >
< div class = "line" > < a id = "l00407" name = "l00407" > < / a > < span class = "lineno" > 407< / span > < span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00408" name = "l00408" > < / a > < span class = "lineno" > 408< / span > < span class = "keyword" > const< / span > std::vector< absl::flat_hash_map< int, int> > & vehicle_performs_node,< / div >
< div class = "line" > < a id = "l00409" name = "l00409" > < / a > < span class = "lineno" > 409< / span > < span class = "keyword" > const< / span > std::vector< absl::flat_hash_map< int, int> > & < / div >
< div class = "line" > < a id = "l00410" name = "l00410" > < / a > < span class = "lineno" > 410< / span > vehicle_class_performs_arc,< / div >
< div class = "line" > < a id = "l00411" name = "l00411" > < / a > < span class = "lineno" > 411< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00412" name = "l00412" > < / a > < span class = "lineno" > 412< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_cp_nodes = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Nexts().size() + < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles() + 1;< / div >
< div class = "line" > < a id = "l00413" name = "l00413" > < / a > < span class = "lineno" > 413< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > RoutingDimension* dimension : < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDimensions()) {< / div >
< div class = "line" > < a id = "l00414" name = "l00414" > < / a > < span class = "lineno" > 414< / span > < span class = "comment" > // Initialize cumuls.< / span > < / div >
< div class = "line" > < a id = "l00415" name = "l00415" > < / a > < span class = "lineno" > 415< / span > std::vector< int> cumuls(num_cp_nodes, -1);< / div >
< div class = "line" > < a id = "l00416" name = "l00416" > < / a > < span class = "lineno" > 416< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > cp_node = 1; cp_node < num_cp_nodes; ++cp_node) {< / div >
< div class = "line" > < a id = "l00417" name = "l00417" > < / a > < span class = "lineno" > 417< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > node = cp_node - 1;< / div >
< div class = "line" > < a id = "l00418" name = "l00418" > < / a > < span class = "lineno" > 418< / span > int64_t cumul_min = dimension-> cumuls()[node]-> Min();< / div >
< div class = "line" > < a id = "l00419" name = "l00419" > < / a > < span class = "lineno" > 419< / span > int64_t cumul_max = dimension-> cumuls()[node]-> Max();< / div >
< div class = "line" > < a id = "l00420" name = "l00420" > < / a > < span class = "lineno" > 420< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(node) || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(node)) {< / div >
< div class = "line" > < a id = "l00421" name = "l00421" > < / a > < span class = "lineno" > 421< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > vehicle = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .VehicleIndex(node);< / div >
< div class = "line" > < a id = "l00422" name = "l00422" > < / a > < span class = "lineno" > 422< / span > cumul_max =< / div >
< div class = "line" > < a id = "l00423" name = "l00423" > < / a > < span class = "lineno" > 423< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (cumul_max, dimension-> vehicle_capacities()[vehicle]);< / div >
< div class = "line" > < a id = "l00424" name = "l00424" > < / a > < span class = "lineno" > 424< / span > }< / div >
< div class = "line" > < a id = "l00425" name = "l00425" > < / a > < span class = "lineno" > 425< / span > cumuls[cp_node] = AddVariable(cp_model, cumul_min, cumul_max);< / div >
< div class = "line" > < a id = "l00426" name = "l00426" > < / a > < span class = "lineno" > 426< / span > }< / div >
< div class = "line" > < a id = "l00427" name = "l00427" > < / a > < span class = "lineno" > 427< / span > < / div >
< div class = "line" > < a id = "l00428" name = "l00428" > < / a > < span class = "lineno" > 428< / span > < span class = "comment" > // Constrain cumuls with vehicle capacities.< / span > < / div >
< div class = "line" > < a id = "l00429" name = "l00429" > < / a > < span class = "lineno" > 429< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00430" name = "l00430" > < / a > < span class = "lineno" > 430< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > cp_node = 1; cp_node < num_cp_nodes; cp_node++) {< / div >
< div class = "line" > < a id = "l00431" name = "l00431" > < / a > < span class = "lineno" > 431< / span > < span class = "keywordflow" > if< / span > (!vehicle_performs_node[vehicle].contains(cp_node)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00432" name = "l00432" > < / a > < span class = "lineno" > 432< / span > < span class = "keyword" > const< / span > int64_t vehicle_capacity =< / div >
< div class = "line" > < a id = "l00433" name = "l00433" > < / a > < span class = "lineno" > 433< / span > dimension-> vehicle_capacities()[vehicle];< / div >
< div class = "line" > < a id = "l00434" name = "l00434" > < / a > < span class = "lineno" > 434< / span > AddLinearConstraint(cp_model, < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::numeric_limits< int64_t> ::min< / a > (),< / div >
< div class = "line" > < a id = "l00435" name = "l00435" > < / a > < span class = "lineno" > 435< / span > vehicle_capacity, {{cumuls[cp_node], 1}},< / div >
< div class = "line" > < a id = "l00436" name = "l00436" > < / a > < span class = "lineno" > 436< / span > {vehicle_performs_node[vehicle].at(cp_node)});< / div >
< div class = "line" > < a id = "l00437" name = "l00437" > < / a > < span class = "lineno" > 437< / span > }< / div >
< div class = "line" > < a id = "l00438" name = "l00438" > < / a > < span class = "lineno" > 438< / span > }< / div >
< div class = "line" > < a id = "l00439" name = "l00439" > < / a > < span class = "lineno" > 439< / span > < / div >
< div class = "line" > < a id = "l00440" name = "l00440" > < / a > < span class = "lineno" > 440< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > = RoutingVehicleClassIndex(0);< / div >
< div class = "line" > < a id = "l00441" name = "l00441" > < / a > < span class = "lineno" > 441< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetVehicleClassesCount(); < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ++) {< / div >
< div class = "line" > < a id = "l00442" name = "l00442" > < / a > < span class = "lineno" > 442< / span > std::vector< int> slack(num_cp_nodes, -1);< / div >
< div class = "line" > < a id = "l00443" name = "l00443" > < / a > < span class = "lineno" > 443< / span > < span class = "keyword" > const< / span > int64_t span_cost =< / div >
< div class = "line" > < a id = "l00444" name = "l00444" > < / a > < span class = "lineno" > 444< / span > dimension-> GetSpanCostCoefficientForVehicleClass(< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > );< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00445" name = "l00445" > < / a > < span class = "lineno" > 445< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , arc_var] : arc_vars) {< / div >
< div class = "line" > < a id = "l00446" name = "l00446" > < / a > < span class = "lineno" > 446< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [cp_tail, cp_head] = < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00447" name = "l00447" > < / a > < span class = "lineno" > 447< / span > < span class = "keywordflow" > if< / span > (cp_tail == cp_head || cp_tail == 0 || cp_head == 0) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00448" name = "l00448" > < / a > < span class = "lineno" > 448< / span > < span class = "keywordflow" > if< / span > (!vehicle_class_performs_arc[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > .value()].contains(< / div >
< div class = "line" > < a id = "l00449" name = "l00449" > < / a > < span class = "lineno" > 449< / span > arc_var)) {< / div >
< div class = "line" > < a id = "l00450" name = "l00450" > < / a > < span class = "lineno" > 450< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00451" name = "l00451" > < / a > < span class = "lineno" > 451< / span > }< / div >
< div class = "line" > < a id = "l00452" name = "l00452" > < / a > < span class = "lineno" > 452< / span > < span class = "comment" > // Create slack variable and add span cost to the objective.< / span > < / div >
< div class = "line" > < a id = "l00453" name = "l00453" > < / a > < span class = "lineno" > 453< / span > < span class = "keywordflow" > if< / span > (slack[cp_tail] == -1) {< / div >
< div class = "line" > < a id = "l00454" name = "l00454" > < / a > < span class = "lineno" > 454< / span > < span class = "keyword" > const< / span > int64_t slack_max =< / div >
< div class = "line" > < a id = "l00455" name = "l00455" > < / a > < span class = "lineno" > 455< / span > cp_tail - 1 < dimension-> slacks().size()< / div >
< div class = "line" > < a id = "l00456" name = "l00456" > < / a > < span class = "lineno" > 456< / span > ? dimension-> slacks()[cp_tail - 1]-> Max()< / div >
< div class = "line" > < a id = "l00457" name = "l00457" > < / a > < span class = "lineno" > 457< / span > : 0;< / div >
< div class = "line" > < a id = "l00458" name = "l00458" > < / a > < span class = "lineno" > 458< / span > slack[cp_tail] = AddVariable(cp_model, 0, slack_max);< / div >
< div class = "line" > < a id = "l00459" name = "l00459" > < / a > < span class = "lineno" > 459< / span > < span class = "keywordflow" > if< / span > (slack_max > 0 & & span_cost > 0) {< / div >
< div class = "line" > < a id = "l00460" name = "l00460" > < / a > < span class = "lineno" > 460< / span > cp_model-> mutable_objective()-> add_vars(slack[cp_tail]);< / div >
< div class = "line" > < a id = "l00461" name = "l00461" > < / a > < span class = "lineno" > 461< / span > cp_model-> mutable_objective()-> add_coeffs(span_cost);< / div >
< div class = "line" > < a id = "l00462" name = "l00462" > < / a > < span class = "lineno" > 462< / span > }< / div >
< div class = "line" > < a id = "l00463" name = "l00463" > < / a > < span class = "lineno" > 463< / span > }< / div >
< div class = "line" > < a id = "l00464" name = "l00464" > < / a > < span class = "lineno" > 464< / span > < span class = "keyword" > const< / span > int64_t transit = dimension-> class_transit_evaluator(< / div >
< div class = "line" > < a id = "l00465" name = "l00465" > < / a > < span class = "lineno" > 465< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > )(cp_tail - 1, cp_head - 1);< / div >
< div class = "line" > < a id = "l00466" name = "l00466" > < / a > < span class = "lineno" > 466< / span > < span class = "comment" > // vehicle_class_performs_arc[vehicle][arc_var] = 1 -> < / span > < / div >
< div class = "line" > < a id = "l00467" name = "l00467" > < / a > < span class = "lineno" > 467< / span > < span class = "comment" > // cumuls[cp_head] - cumuls[cp_tail] - slack[cp_tail] = transit< / span > < / div >
< div class = "line" > < a id = "l00468" name = "l00468" > < / a > < span class = "lineno" > 468< / span > AddLinearConstraint(< / div >
< div class = "line" > < a id = "l00469" name = "l00469" > < / a > < span class = "lineno" > 469< / span > cp_model, transit, transit,< / div >
< div class = "line" > < a id = "l00470" name = "l00470" > < / a > < span class = "lineno" > 470< / span > {{cumuls[cp_head], 1}, {cumuls[cp_tail], -1}, {slack[cp_tail], -1}},< / div >
< div class = "line" > < a id = "l00471" name = "l00471" > < / a > < span class = "lineno" > 471< / span > {vehicle_class_performs_arc[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > .value()].at(arc_var)});< / div >
< div class = "line" > < a id = "l00472" name = "l00472" > < / a > < span class = "lineno" > 472< / span > }< / div >
< div class = "line" > < a id = "l00473" name = "l00473" > < / a > < span class = "lineno" > 473< / span > }< / div >
< div class = "line" > < a id = "l00474" name = "l00474" > < / a > < span class = "lineno" > 474< / span > < / div >
< div class = "line" > < a id = "l00475" name = "l00475" > < / a > < span class = "lineno" > 475< / span > < span class = "comment" > // Constrain cumuls with span limits.< / span > < / div >
< div class = "line" > < a id = "l00476" name = "l00476" > < / a > < span class = "lineno" > 476< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00477" name = "l00477" > < / a > < span class = "lineno" > 477< / span > < span class = "keyword" > const< / span > int64_t span_limit =< / div >
< div class = "line" > < a id = "l00478" name = "l00478" > < / a > < span class = "lineno" > 478< / span > dimension-> vehicle_span_upper_bounds()[vehicle];< / div >
< div class = "line" > < a id = "l00479" name = "l00479" > < / a > < span class = "lineno" > 479< / span > < span class = "keywordflow" > if< / span > (span_limit == < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > ()) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00480" name = "l00480" > < / a > < span class = "lineno" > 480< / span > < span class = "keywordtype" > int< / span > cp_start = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(vehicle) + 1;< / div >
< div class = "line" > < a id = "l00481" name = "l00481" > < / a > < span class = "lineno" > 481< / span > < span class = "keywordtype" > int< / span > cp_end = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .End(vehicle) + 1;< / div >
< div class = "line" > < a id = "l00482" name = "l00482" > < / a > < span class = "lineno" > 482< / span > AddLinearConstraint(cp_model, < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::numeric_limits< int64_t> ::min< / a > (),< / div >
< div class = "line" > < a id = "l00483" name = "l00483" > < / a > < span class = "lineno" > 483< / span > span_limit,< / div >
< div class = "line" > < a id = "l00484" name = "l00484" > < / a > < span class = "lineno" > 484< / span > {{cumuls[cp_end], 1}, {cumuls[cp_start], -1}});< / div >
< div class = "line" > < a id = "l00485" name = "l00485" > < / a > < span class = "lineno" > 485< / span > }< / div >
< div class = "line" > < a id = "l00486" name = "l00486" > < / a > < span class = "lineno" > 486< / span > < / div >
< div class = "line" > < a id = "l00487" name = "l00487" > < / a > < span class = "lineno" > 487< / span > < span class = "comment" > // Set soft span upper bound costs.< / span > < / div >
< div class = "line" > < a id = "l00488" name = "l00488" > < / a > < span class = "lineno" > 488< / span > < span class = "keywordflow" > if< / span > (dimension-> HasSoftSpanUpperBounds()) {< / div >
< div class = "line" > < a id = "l00489" name = "l00489" > < / a > < span class = "lineno" > 489< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00490" name = "l00490" > < / a > < span class = "lineno" > 490< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [< a class = "code hl_variable" href = "routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e" > bound< / a > , < a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > ] =< / div >
< div class = "line" > < a id = "l00491" name = "l00491" > < / a > < span class = "lineno" > 491< / span > dimension-> GetSoftSpanUpperBoundForVehicle(vehicle);< / div >
< div class = "line" > < a id = "l00492" name = "l00492" > < / a > < span class = "lineno" > 492< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_start = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(vehicle) + 1;< / div >
< div class = "line" > < a id = "l00493" name = "l00493" > < / a > < span class = "lineno" > 493< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_end = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .End(vehicle) + 1;< / div >
< div class = "line" > < a id = "l00494" name = "l00494" > < / a > < span class = "lineno" > 494< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > extra =< / div >
< div class = "line" > < a id = "l00495" name = "l00495" > < / a > < span class = "lineno" > 495< / span > AddVariable(cp_model, 0,< / div >
< div class = "line" > < a id = "l00496" name = "l00496" > < / a > < span class = "lineno" > 496< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (dimension-> cumuls()[< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .End(vehicle)]-> Max(),< / div >
< div class = "line" > < a id = "l00497" name = "l00497" > < / a > < span class = "lineno" > 497< / span > dimension-> vehicle_capacities()[vehicle]));< / div >
< div class = "line" > < a id = "l00498" name = "l00498" > < / a > < span class = "lineno" > 498< / span > < span class = "comment" > // -inf < = cumuls[cp_end] - cumuls[cp_start] - extra < = bound< / span > < / div >
< div class = "line" > < a id = "l00499" name = "l00499" > < / a > < span class = "lineno" > 499< / span > AddLinearConstraint(< / div >
< div class = "line" > < a id = "l00500" name = "l00500" > < / a > < span class = "lineno" > 500< / span > cp_model, < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::numeric_limits< int64_t> ::min< / a > (), < a class = "code hl_variable" href = "routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e" > bound< / a > ,< / div >
< div class = "line" > < a id = "l00501" name = "l00501" > < / a > < span class = "lineno" > 501< / span > {{cumuls[cp_end], 1}, {cumuls[cp_start], -1}, {extra, -1}});< / div >
< div class = "line" > < a id = "l00502" name = "l00502" > < / a > < span class = "lineno" > 502< / span > < span class = "comment" > // Add extra * cost to objective.< / span > < / div >
< div class = "line" > < a id = "l00503" name = "l00503" > < / a > < span class = "lineno" > 503< / span > cp_model-> mutable_objective()-> add_vars(extra);< / div >
< div class = "line" > < a id = "l00504" name = "l00504" > < / a > < span class = "lineno" > 504< / span > cp_model-> mutable_objective()-> add_coeffs(< a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > );< / div >
< div class = "line" > < a id = "l00505" name = "l00505" > < / a > < span class = "lineno" > 505< / span > }< / div >
< div class = "line" > < a id = "l00506" name = "l00506" > < / a > < span class = "lineno" > 506< / span > }< / div >
< div class = "line" > < a id = "l00507" name = "l00507" > < / a > < span class = "lineno" > 507< / span > }< / div >
< div class = "line" > < a id = "l00508" name = "l00508" > < / a > < span class = "lineno" > 508< / span > }< / div >
< div class = "line" > < a id = "l00509" name = "l00509" > < / a > < span class = "lineno" > 509< / span > < / div >
< div class = "line" > < a id = "l00510" name = "l00510" > < / a > < span class = "lineno" > 510< / span > std::vector< int> CreateGeneralizedRanks(< span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00511" name = "l00511" > < / a > < span class = "lineno" > 511< / span > < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00512" name = "l00512" > < / a > < span class = "lineno" > 512< / span > < span class = "keyword" > const< / span > std::vector< int> & is_unperformed,< / div >
< div class = "line" > < a id = "l00513" name = "l00513" > < / a > < span class = "lineno" > 513< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00514" name = "l00514" > < / a > < span class = "lineno" > 514< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > depot = 0;< / div >
< div class = "line" > < a id = "l00515" name = "l00515" > < / a > < span class = "lineno" > 515< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_cp_nodes = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Nexts().size() + < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles() + 1;< / div >
< div class = "line" > < a id = "l00516" name = "l00516" > < / a > < span class = "lineno" > 516< / span > < span class = "comment" > // Maximum length of a single route (excluding the depot & vehicle end nodes).< / span > < / div >
< div class = "line" > < a id = "l00517" name = "l00517" > < / a > < span class = "lineno" > 517< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a5c4f8c31d1c77116201f5c497e1e19f8" > max_rank< / a > = num_cp_nodes - 2 * < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles();< / div >
< div class = "line" > < a id = "l00518" name = "l00518" > < / a > < span class = "lineno" > 518< / span > std::vector< int> ranks(num_cp_nodes, -1);< / div >
< div class = "line" > < a id = "l00519" name = "l00519" > < / a > < span class = "lineno" > 519< / span > ranks[depot] = AddVariable(cp_model, 0, 0);< / div >
< div class = "line" > < a id = "l00520" name = "l00520" > < / a > < span class = "lineno" > 520< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > cp_node = 1; cp_node < num_cp_nodes; cp_node++) {< / div >
< div class = "line" > < a id = "l00521" name = "l00521" > < / a > < span class = "lineno" > 521< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(cp_node - 1)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00522" name = "l00522" > < / a > < span class = "lineno" > 522< / span > ranks[cp_node] = AddVariable(cp_model, 0, < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a5c4f8c31d1c77116201f5c497e1e19f8" > max_rank< / a > );< / div >
< div class = "line" > < a id = "l00523" name = "l00523" > < / a > < span class = "lineno" > 523< / span > < span class = "comment" > // For unperformed nodes rank is 0.< / span > < / div >
< div class = "line" > < a id = "l00524" name = "l00524" > < / a > < span class = "lineno" > 524< / span > AddLinearConstraint(cp_model, 0, 0, {{ranks[cp_node], 1}},< / div >
< div class = "line" > < a id = "l00525" name = "l00525" > < / a > < span class = "lineno" > 525< / span > {is_unperformed[cp_node]});< / div >
< div class = "line" > < a id = "l00526" name = "l00526" > < / a > < span class = "lineno" > 526< / span > }< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00527" name = "l00527" > < / a > < span class = "lineno" > 527< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , arc_var] : arc_vars) {< / div >
< div class = "line" > < a id = "l00528" name = "l00528" > < / a > < span class = "lineno" > 528< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [cp_tail, cp_head] = < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00529" name = "l00529" > < / a > < span class = "lineno" > 529< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(cp_head - 1)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00530" name = "l00530" > < / a > < span class = "lineno" > 530< / span > < span class = "keywordflow" > if< / span > (cp_tail == cp_head || cp_head == depot) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00531" name = "l00531" > < / a > < span class = "lineno" > 531< / span > < span class = "comment" > // arc[tail][head] -> ranks[head] == ranks[tail] + 1.< / span > < / div >
< div class = "line" > < a id = "l00532" name = "l00532" > < / a > < span class = "lineno" > 532< / span > AddLinearConstraint(cp_model, 1, 1,< / div >
< div class = "line" > < a id = "l00533" name = "l00533" > < / a > < span class = "lineno" > 533< / span > {{ranks[cp_head], 1}, {ranks[cp_tail], -1}}, {arc_var});< / div >
< div class = "line" > < a id = "l00534" name = "l00534" > < / a > < span class = "lineno" > 534< / span > }< / div >
< div class = "line" > < a id = "l00535" name = "l00535" > < / a > < span class = "lineno" > 535< / span > < span class = "keywordflow" > return< / span > ranks;< / div >
< div class = "line" > < a id = "l00536" name = "l00536" > < / a > < span class = "lineno" > 536< / span > }< / div >
< div class = "line" > < a id = "l00537" name = "l00537" > < / a > < span class = "lineno" > 537< / span > < / div >
< div class = "line" > < a id = "l00538" name = "l00538" > < / a > < span class = "lineno" > 538< / span > < span class = "keywordtype" > void< / span > AddGeneralizedPickupDeliveryConstraints(< / div >
< div class = "line" > < a id = "l00539" name = "l00539" > < / a > < span class = "lineno" > 539< / span > < span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00540" name = "l00540" > < / a > < span class = "lineno" > 540< / span > < span class = "keyword" > const< / span > std::vector< absl::flat_hash_map< int, int> > & vehicle_performs_node,< / div >
< div class = "line" > < a id = "l00541" name = "l00541" > < / a > < span class = "lineno" > 541< / span > < span class = "keyword" > const< / span > std::vector< int> & is_unperformed, CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00542" name = "l00542" > < / a > < span class = "lineno" > 542< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetPickupAndDeliveryPairs().empty()) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00543" name = "l00543" > < / a > < span class = "lineno" > 543< / span > < span class = "keyword" > const< / span > std::vector< int> ranks =< / div >
< div class = "line" > < a id = "l00544" name = "l00544" > < / a > < span class = "lineno" > 544< / span > CreateGeneralizedRanks(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, is_unperformed, cp_model);< / div >
< div class = "line" > < a id = "l00545" name = "l00545" > < / a > < span class = "lineno" > 545< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & pairs : < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetPickupAndDeliveryPairs()) {< / div >
< div class = "line" > < a id = "l00546" name = "l00546" > < / a > < span class = "lineno" > 546< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > delivery : pairs.second) {< / div >
< div class = "line" > < a id = "l00547" name = "l00547" > < / a > < span class = "lineno" > 547< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_delivery = delivery + 1;< / div >
< div class = "line" > < a id = "l00548" name = "l00548" > < / a > < span class = "lineno" > 548< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00549" name = "l00549" > < / a > < span class = "lineno" > 549< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > vehicle_start_delivery_arc = {< / div >
< div class = "line" > < a id = "l00550" name = "l00550" > < / a > < span class = "lineno" > 550< / span > < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(vehicle) + 1), cp_delivery};< / div >
< div class = "line" > < a id = "l00551" name = "l00551" > < / a > < span class = "lineno" > 551< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (arc_vars, vehicle_start_delivery_arc)) {< / div >
< div class = "line" > < a id = "l00552" name = "l00552" > < / a > < span class = "lineno" > 552< / span > < span class = "comment" > // Forbid vehicle_start -> delivery arc.< / span > < / div >
< div class = "line" > < a id = "l00553" name = "l00553" > < / a > < span class = "lineno" > 553< / span > AddLinearConstraint(cp_model, 0, 0,< / div >
< div class = "line" > < a id = "l00554" name = "l00554" > < / a > < span class = "lineno" > 554< / span > {{arc_vars.at(vehicle_start_delivery_arc), 1}});< / div >
< div class = "line" > < a id = "l00555" name = "l00555" > < / a > < span class = "lineno" > 555< / span > }< / div >
< div class = "line" > < a id = "l00556" name = "l00556" > < / a > < span class = "lineno" > 556< / span > }< / div >
< div class = "line" > < a id = "l00557" name = "l00557" > < / a > < span class = "lineno" > 557< / span > < / div >
< div class = "line" > < a id = "l00558" name = "l00558" > < / a > < span class = "lineno" > 558< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > pickup : pairs.first) {< / div >
< div class = "line" > < a id = "l00559" name = "l00559" > < / a > < span class = "lineno" > 559< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_pickup = pickup + 1;< / div >
< div class = "line" > < a id = "l00560" name = "l00560" > < / a > < span class = "lineno" > 560< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > delivery_pickup_arc = {cp_delivery, cp_pickup};< / div >
< div class = "line" > < a id = "l00561" name = "l00561" > < / a > < span class = "lineno" > 561< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (arc_vars, delivery_pickup_arc)) {< / div >
< div class = "line" > < a id = "l00562" name = "l00562" > < / a > < span class = "lineno" > 562< / span > < span class = "comment" > // Forbid delivery -> pickup arc.< / span > < / div >
< div class = "line" > < a id = "l00563" name = "l00563" > < / a > < span class = "lineno" > 563< / span > AddLinearConstraint(cp_model, 0, 0,< / div >
< div class = "line" > < a id = "l00564" name = "l00564" > < / a > < span class = "lineno" > 564< / span > {{arc_vars.at(delivery_pickup_arc), 1}});< / div >
< div class = "line" > < a id = "l00565" name = "l00565" > < / a > < span class = "lineno" > 565< / span > }< / div >
< div class = "line" > < a id = "l00566" name = "l00566" > < / a > < span class = "lineno" > 566< / span > < / div >
< div class = "line" > < a id = "l00567" name = "l00567" > < / a > < span class = "lineno" > 567< / span > < a class = "code hl_define" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (is_unperformed[cp_delivery], 0);< / div >
< div class = "line" > < a id = "l00568" name = "l00568" > < / a > < span class = "lineno" > 568< / span > < a class = "code hl_define" href = "base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295" > DCHECK_GE< / a > (is_unperformed[cp_pickup], 0);< / div >
< div class = "line" > < a id = "l00569" name = "l00569" > < / a > < span class = "lineno" > 569< / span > < span class = "comment" > // A negative index i refers to NOT the literal at index -i - 1.< / span > < / div >
< div class = "line" > < a id = "l00570" name = "l00570" > < / a > < span class = "lineno" > 570< / span > < span class = "comment" > // -i - 1 ~ NOT i, if value of i in [0, 1] (boolean).< / span > < / div >
< div class = "line" > < a id = "l00571" name = "l00571" > < / a > < span class = "lineno" > 571< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > delivery_performed = -is_unperformed[cp_delivery] - 1;< / div >
< div class = "line" > < a id = "l00572" name = "l00572" > < / a > < span class = "lineno" > 572< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > pickup_performed = -is_unperformed[cp_pickup] - 1;< / div >
< div class = "line" > < a id = "l00573" name = "l00573" > < / a > < span class = "lineno" > 573< / span > < span class = "comment" > // The same vehicle performs pickup and delivery.< / span > < / div >
< div class = "line" > < a id = "l00574" name = "l00574" > < / a > < span class = "lineno" > 574< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00575" name = "l00575" > < / a > < span class = "lineno" > 575< / span > < span class = "comment" > // delivery_performed & pickup_performed -> < / span > < / div >
< div class = "line" > < a id = "l00576" name = "l00576" > < / a > < span class = "lineno" > 576< / span > < span class = "comment" > // vehicle_performs_node[vehicle][cp_delivery] -< / span > < / div >
< div class = "line" > < a id = "l00577" name = "l00577" > < / a > < span class = "lineno" > 577< / span > < span class = "comment" > // vehicle_performs_node[vehicle][cp_pickup] = 0< / span > < / div >
< div class = "line" > < a id = "l00578" name = "l00578" > < / a > < span class = "lineno" > 578< / span > AddLinearConstraint(< / div >
< div class = "line" > < a id = "l00579" name = "l00579" > < / a > < span class = "lineno" > 579< / span > cp_model, 0, 0,< / div >
< div class = "line" > < a id = "l00580" name = "l00580" > < / a > < span class = "lineno" > 580< / span > {{vehicle_performs_node[vehicle].at(cp_delivery), 1},< / div >
< div class = "line" > < a id = "l00581" name = "l00581" > < / a > < span class = "lineno" > 581< / span > {vehicle_performs_node[vehicle].at(cp_pickup), -1}},< / div >
< div class = "line" > < a id = "l00582" name = "l00582" > < / a > < span class = "lineno" > 582< / span > {delivery_performed, pickup_performed});< / div >
< div class = "line" > < a id = "l00583" name = "l00583" > < / a > < span class = "lineno" > 583< / span > }< / div >
< div class = "line" > < a id = "l00584" name = "l00584" > < / a > < span class = "lineno" > 584< / span > }< / div >
< div class = "line" > < a id = "l00585" name = "l00585" > < / a > < span class = "lineno" > 585< / span > }< / div >
< div class = "line" > < a id = "l00586" name = "l00586" > < / a > < span class = "lineno" > 586< / span > < / div >
< div class = "line" > < a id = "l00587" name = "l00587" > < / a > < span class = "lineno" > 587< / span > std::vector< std::pair< int, double> > ranks_difference;< / div >
< div class = "line" > < a id = "l00588" name = "l00588" > < / a > < span class = "lineno" > 588< / span > < span class = "comment" > // -SUM(pickup)ranks[pickup].< / span > < / div >
< div class = "line" > < a id = "l00589" name = "l00589" > < / a > < span class = "lineno" > 589< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > pickup : pairs.first) {< / div >
< div class = "line" > < a id = "l00590" name = "l00590" > < / a > < span class = "lineno" > 590< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_pickup = pickup + 1;< / div >
< div class = "line" > < a id = "l00591" name = "l00591" > < / a > < span class = "lineno" > 591< / span > ranks_difference.push_back({ranks[cp_pickup], -1});< / div >
< div class = "line" > < a id = "l00592" name = "l00592" > < / a > < span class = "lineno" > 592< / span > }< / div >
< div class = "line" > < a id = "l00593" name = "l00593" > < / a > < span class = "lineno" > 593< / span > < span class = "comment" > // SUM(delivery)ranks[delivery].< / span > < / div >
< div class = "line" > < a id = "l00594" name = "l00594" > < / a > < span class = "lineno" > 594< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > delivery : pairs.second) {< / div >
< div class = "line" > < a id = "l00595" name = "l00595" > < / a > < span class = "lineno" > 595< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_delivery = delivery + 1;< / div >
< div class = "line" > < a id = "l00596" name = "l00596" > < / a > < span class = "lineno" > 596< / span > ranks_difference.push_back({ranks[cp_delivery], 1});< / div >
< div class = "line" > < a id = "l00597" name = "l00597" > < / a > < span class = "lineno" > 597< / span > }< / div >
< div class = "line" > < a id = "l00598" name = "l00598" > < / a > < span class = "lineno" > 598< / span > < span class = "comment" > // SUM(delivery)ranks[delivery] - SUM(pickup)ranks[pickup] > = 1< / span > < / div >
< div class = "line" > < a id = "l00599" name = "l00599" > < / a > < span class = "lineno" > 599< / span > AddLinearConstraint(cp_model, 1, < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > (),< / div >
< div class = "line" > < a id = "l00600" name = "l00600" > < / a > < span class = "lineno" > 600< / span > ranks_difference);< / div >
< div class = "line" > < a id = "l00601" name = "l00601" > < / a > < span class = "lineno" > 601< / span > }< / div >
< div class = "line" > < a id = "l00602" name = "l00602" > < / a > < span class = "lineno" > 602< / span > }< / div >
< div class = "line" > < a id = "l00603" name = "l00603" > < / a > < span class = "lineno" > 603< / span > < / div >
< div class = "line" > < a id = "l00604" name = "l00604" > < / a > < span class = "lineno" > 604< / span > < span class = "comment" > // Converts a RoutingModel to CpModelProto for models with multiple< / span > < / div >
< div class = "line" > < a id = "l00605" name = "l00605" > < / a > < span class = "lineno" > 605< / span > < span class = "comment" > // vehicles. The node 0 is depot. All nodes in CpModel have index increased< / span > < / div >
< div class = "line" > < a id = "l00606" name = "l00606" > < / a > < span class = "lineno" > 606< / span > < span class = "comment" > // by 1 in comparison to the RoutingModel. Each start node has only 1< / span > < / div >
< div class = "line" > < a id = "l00607" name = "l00607" > < / a > < span class = "lineno" > 607< / span > < span class = "comment" > // incoming arc (from depot), each end node has only 1 outgoing arc (to< / span > < / div >
< div class = "line" > < a id = "l00608" name = "l00608" > < / a > < span class = "lineno" > 608< / span > < span class = "comment" > // depot). The mapping from CPModelProto arcs to their corresponding arc< / span > < / div >
< div class = "line" > < a id = "l00609" name = "l00609" > < / a > < span class = "lineno" > 609< / span > < span class = "comment" > // variable is returned.< / span > < / div >
< div class = "line" > < a id = "l00610" name = "l00610" > < / a > < span class = "lineno" > 610< / span > ArcVarMap PopulateGeneralizedRouteModelFromRoutingModel(< / div >
< div class = "line" > < a id = "l00611" name = "l00611" > < / a > < span class = "lineno" > 611< / span > < span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00612" name = "l00612" > < / a > < span class = "lineno" > 612< / span > ArcVarMap arc_vars;< / div >
< div class = "line" > < a id = "l00613" name = "l00613" > < / a > < span class = "lineno" > 613< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > depot = 0;< / div >
< div class = "line" > < a id = "l00614" name = "l00614" > < / a > < span class = "lineno" > 614< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_nodes = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Nexts().size();< / div >
< div class = "line" > < a id = "l00615" name = "l00615" > < / a > < span class = "lineno" > 615< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_cp_nodes = num_nodes + < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles() + 1;< / div >
< div class = "line" > < a id = "l00616" name = "l00616" > < / a > < span class = "lineno" > 616< / span > < span class = "comment" > // vehicle_performs_node[vehicle][node] equals to 1 if the vehicle performs< / span > < / div >
< div class = "line" > < a id = "l00617" name = "l00617" > < / a > < span class = "lineno" > 617< / span > < span class = "comment" > // the node, and 0 otherwise.< / span > < / div >
< div class = "line" > < a id = "l00618" name = "l00618" > < / a > < span class = "lineno" > 618< / span > std::vector< absl::flat_hash_map< int, int> > vehicle_performs_node(< / div >
< div class = "line" > < a id = "l00619" name = "l00619" > < / a > < span class = "lineno" > 619< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles());< / div >
< div class = "line" > < a id = "l00620" name = "l00620" > < / a > < span class = "lineno" > 620< / span > < span class = "comment" > // Connect vehicles start and end nodes to depot.< / span > < / div >
< div class = "line" > < a id = "l00621" name = "l00621" > < / a > < span class = "lineno" > 621< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00622" name = "l00622" > < / a > < span class = "lineno" > 622< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_start = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Start(vehicle) + 1;< / div >
< div class = "line" > < a id = "l00623" name = "l00623" > < / a > < span class = "lineno" > 623< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > start_arc = {depot, cp_start};< / div >
< div class = "line" > < a id = "l00624" name = "l00624" > < / a > < span class = "lineno" > 624< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > start_arc_var = AddVariable(cp_model, 1, 1);< / div >
< div class = "line" > < a id = "l00625" name = "l00625" > < / a > < span class = "lineno" > 625< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (arc_vars, start_arc));< / div >
< div class = "line" > < a id = "l00626" name = "l00626" > < / a > < span class = "lineno" > 626< / span > arc_vars.insert({start_arc, start_arc_var});< / div >
< div class = "line" > < a id = "l00627" name = "l00627" > < / a > < span class = "lineno" > 627< / span > < / div >
< div class = "line" > < a id = "l00628" name = "l00628" > < / a > < span class = "lineno" > 628< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_end = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .End(vehicle) + 1;< / div >
< div class = "line" > < a id = "l00629" name = "l00629" > < / a > < span class = "lineno" > 629< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > end_arc = {cp_end, depot};< / div >
< div class = "line" > < a id = "l00630" name = "l00630" > < / a > < span class = "lineno" > 630< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > end_arc_var = AddVariable(cp_model, 1, 1);< / div >
< div class = "line" > < a id = "l00631" name = "l00631" > < / a > < span class = "lineno" > 631< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (arc_vars, end_arc));< / div >
< div class = "line" > < a id = "l00632" name = "l00632" > < / a > < span class = "lineno" > 632< / span > arc_vars.insert({end_arc, end_arc_var});< / div >
< div class = "line" > < a id = "l00633" name = "l00633" > < / a > < span class = "lineno" > 633< / span > < / div >
< div class = "line" > < a id = "l00634" name = "l00634" > < / a > < span class = "lineno" > 634< / span > vehicle_performs_node[vehicle][cp_start] = start_arc_var;< / div >
< div class = "line" > < a id = "l00635" name = "l00635" > < / a > < span class = "lineno" > 635< / span > vehicle_performs_node[vehicle][cp_end] = end_arc_var;< / div >
< div class = "line" > < a id = "l00636" name = "l00636" > < / a > < span class = "lineno" > 636< / span > }< / div >
< div class = "line" > < a id = "l00637" name = "l00637" > < / a > < span class = "lineno" > 637< / span > < / div >
< div class = "line" > < a id = "l00638" name = "l00638" > < / a > < span class = "lineno" > 638< / span > < span class = "comment" > // is_unperformed[node] variable equals to 1 if visit is unperformed, and 0< / span > < / div >
< div class = "line" > < a id = "l00639" name = "l00639" > < / a > < span class = "lineno" > 639< / span > < span class = "comment" > // otherwise.< / span > < / div >
< div class = "line" > < a id = "l00640" name = "l00640" > < / a > < span class = "lineno" > 640< / span > std::vector< int> is_unperformed(num_cp_nodes, -1);< / div >
< div class = "line" > < a id = "l00641" name = "l00641" > < / a > < span class = "lineno" > 641< / span > < span class = "comment" > // Initialize is_unperformed variables for nodes that must be performed.< / span > < / div >
< div class = "line" > < a id = "l00642" name = "l00642" > < / a > < span class = "lineno" > 642< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > node = 0; node < num_nodes; node++) {< / div >
< div class = "line" > < a id = "l00643" name = "l00643" > < / a > < span class = "lineno" > 643< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_node = node + 1;< / div >
< div class = "line" > < a id = "l00644" name = "l00644" > < / a > < span class = "lineno" > 644< / span > < span class = "comment" > // Forced active and nodes that are not involved in any disjunctions are< / span > < / div >
< div class = "line" > < a id = "l00645" name = "l00645" > < / a > < span class = "lineno" > 645< / span > < span class = "comment" > // always performed.< / span > < / div >
< div class = "line" > < a id = "l00646" name = "l00646" > < / a > < span class = "lineno" > 646< / span > < span class = "keyword" > const< / span > std::vector< RoutingDisjunctionIndex> & disjunction_indices =< / div >
< div class = "line" > < a id = "l00647" name = "l00647" > < / a > < span class = "lineno" > 647< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDisjunctionIndices(node);< / div >
< div class = "line" > < a id = "l00648" name = "l00648" > < / a > < span class = "lineno" > 648< / span > < span class = "keywordflow" > if< / span > (disjunction_indices.empty() || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .ActiveVar(node)-> Min() == 1) {< / div >
< div class = "line" > < a id = "l00649" name = "l00649" > < / a > < span class = "lineno" > 649< / span > is_unperformed[cp_node] = AddVariable(cp_model, 0, 0);< / div >
< div class = "line" > < a id = "l00650" name = "l00650" > < / a > < span class = "lineno" > 650< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00651" name = "l00651" > < / a > < span class = "lineno" > 651< / span > }< / div >
< div class = "line" > < a id = "l00652" name = "l00652" > < / a > < span class = "lineno" > 652< / span > < span class = "comment" > // Check if the node is in a forced active disjunction.< / span > < / div >
< div class = "line" > < a id = "l00653" name = "l00653" > < / a > < span class = "lineno" > 653< / span > < span class = "keywordflow" > for< / span > (RoutingDisjunctionIndex disjunction_index : disjunction_indices) {< / div >
< div class = "line" > < a id = "l00654" name = "l00654" > < / a > < span class = "lineno" > 654< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_nodes =< / div >
< div class = "line" > < a id = "l00655" name = "l00655" > < / a > < span class = "lineno" > 655< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDisjunctionNodeIndices(disjunction_index).size();< / div >
< div class = "line" > < a id = "l00656" name = "l00656" > < / a > < span class = "lineno" > 656< / span > < span class = "keyword" > const< / span > int64_t penalty = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDisjunctionPenalty(disjunction_index);< / div >
< div class = "line" > < a id = "l00657" name = "l00657" > < / a > < span class = "lineno" > 657< / span > < span class = "keyword" > const< / span > int64_t max_cardinality =< / div >
< div class = "line" > < a id = "l00658" name = "l00658" > < / a > < span class = "lineno" > 658< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDisjunctionMaxCardinality(disjunction_index);< / div >
< div class = "line" > < a id = "l00659" name = "l00659" > < / a > < span class = "lineno" > 659< / span > < span class = "keywordflow" > if< / span > (num_nodes == max_cardinality & & < / div >
< div class = "line" > < a id = "l00660" name = "l00660" > < / a > < span class = "lineno" > 660< / span > (penalty < 0 || penalty == < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > ())) {< / div >
< div class = "line" > < a id = "l00661" name = "l00661" > < / a > < span class = "lineno" > 661< / span > < span class = "comment" > // Nodes in this disjunction are forced active.< / span > < / div >
< div class = "line" > < a id = "l00662" name = "l00662" > < / a > < span class = "lineno" > 662< / span > is_unperformed[cp_node] = AddVariable(cp_model, 0, 0);< / div >
< div class = "line" > < a id = "l00663" name = "l00663" > < / a > < span class = "lineno" > 663< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00664" name = "l00664" > < / a > < span class = "lineno" > 664< / span > }< / div >
< div class = "line" > < a id = "l00665" name = "l00665" > < / a > < span class = "lineno" > 665< / span > }< / div >
< div class = "line" > < a id = "l00666" name = "l00666" > < / a > < span class = "lineno" > 666< / span > }< / div >
< div class = "line" > < a id = "l00667" name = "l00667" > < / a > < span class = "lineno" > 667< / span > < span class = "comment" > // Add alternative visits. Create self-looped arc variables. Set penalty for< / span > < / div >
< div class = "line" > < a id = "l00668" name = "l00668" > < / a > < span class = "lineno" > 668< / span > < span class = "comment" > // not performing disjunctions.< / span > < / div >
< div class = "line" > < a id = "l00669" name = "l00669" > < / a > < span class = "lineno" > 669< / span > < span class = "keywordflow" > for< / span > (RoutingDisjunctionIndex disjunction_index(0);< / div >
< div class = "line" > < a id = "l00670" name = "l00670" > < / a > < span class = "lineno" > 670< / span > disjunction_index < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetNumberOfDisjunctions();< / div >
< div class = "line" > < a id = "l00671" name = "l00671" > < / a > < span class = "lineno" > 671< / span > disjunction_index++) {< / div >
< div class = "line" > < a id = "l00672" name = "l00672" > < / a > < span class = "lineno" > 672< / span > < span class = "keyword" > const< / span > std::vector< int64_t> & disjunction_indices =< / div >
< div class = "line" > < a id = "l00673" name = "l00673" > < / a > < span class = "lineno" > 673< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDisjunctionNodeIndices(disjunction_index);< / div >
< div class = "line" > < a id = "l00674" name = "l00674" > < / a > < span class = "lineno" > 674< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > disjunction_size = disjunction_indices.size();< / div >
< div class = "line" > < a id = "l00675" name = "l00675" > < / a > < span class = "lineno" > 675< / span > < span class = "keyword" > const< / span > int64_t penalty = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDisjunctionPenalty(disjunction_index);< / div >
< div class = "line" > < a id = "l00676" name = "l00676" > < / a > < span class = "lineno" > 676< / span > < span class = "keyword" > const< / span > int64_t max_cardinality =< / div >
< div class = "line" > < a id = "l00677" name = "l00677" > < / a > < span class = "lineno" > 677< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDisjunctionMaxCardinality(disjunction_index);< / div >
< div class = "line" > < a id = "l00678" name = "l00678" > < / a > < span class = "lineno" > 678< / span > < span class = "comment" > // Case when disjunction involves only 1 node, the node is only present in< / span > < / div >
< div class = "line" > < a id = "l00679" name = "l00679" > < / a > < span class = "lineno" > 679< / span > < span class = "comment" > // this disjunction, and the node can be unperformed.< / span > < / div >
< div class = "line" > < a id = "l00680" name = "l00680" > < / a > < span class = "lineno" > 680< / span > < span class = "keywordflow" > if< / span > (disjunction_size == 1 & & < / div >
< div class = "line" > < a id = "l00681" name = "l00681" > < / a > < span class = "lineno" > 681< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDisjunctionIndices(disjunction_indices[0]).size() == 1 & & < / div >
< div class = "line" > < a id = "l00682" name = "l00682" > < / a > < span class = "lineno" > 682< / span > is_unperformed[disjunction_indices[0] + 1] == -1) {< / div >
< div class = "line" > < a id = "l00683" name = "l00683" > < / a > < span class = "lineno" > 683< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_node = disjunction_indices[0] + 1;< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00684" name = "l00684" > < / a > < span class = "lineno" > 684< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > = {cp_node, cp_node};< / div >
< div class = "line" > < a id = "l00685" name = "l00685" > < / a > < span class = "lineno" > 685< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (arc_vars, < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ));< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00686" name = "l00686" > < / a > < span class = "lineno" > 686< / span > is_unperformed[cp_node] = AddVariable(cp_model, 0, 1);< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00687" name = "l00687" > < / a > < span class = "lineno" > 687< / span > arc_vars.insert({< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , is_unperformed[cp_node]});< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00688" name = "l00688" > < / a > < span class = "lineno" > 688< / span > cp_model-> mutable_objective()-> add_vars(is_unperformed[cp_node]);< / div >
< div class = "line" > < a id = "l00689" name = "l00689" > < / a > < span class = "lineno" > 689< / span > cp_model-> mutable_objective()-> add_coeffs(penalty);< / div >
< div class = "line" > < a id = "l00690" name = "l00690" > < / a > < span class = "lineno" > 690< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00691" name = "l00691" > < / a > < span class = "lineno" > 691< / span > }< / div >
< div class = "line" > < a id = "l00692" name = "l00692" > < / a > < span class = "lineno" > 692< / span > < span class = "comment" > // num_performed + SUM(node)is_unperformed[node] = disjunction_size< / span > < / div >
< div class = "line" > < a id = "l00693" name = "l00693" > < / a > < span class = "lineno" > 693< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_performed = AddVariable(cp_model, 0, max_cardinality);< / div >
< div class = "line" > < a id = "l00694" name = "l00694" > < / a > < span class = "lineno" > 694< / span > std::vector< std::pair< int, double> > var_coeffs;< / div >
< div class = "line" > < a id = "l00695" name = "l00695" > < / a > < span class = "lineno" > 695< / span > var_coeffs.push_back({num_performed, 1});< / div >
< div class = "line" > < a id = "l00696" name = "l00696" > < / a > < span class = "lineno" > 696< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > node : disjunction_indices) {< / div >
< div class = "line" > < a id = "l00697" name = "l00697" > < / a > < span class = "lineno" > 697< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_node = node + 1;< / div >
< div class = "line" > < a id = "l00698" name = "l00698" > < / a > < span class = "lineno" > 698< / span > < span class = "comment" > // Node can be unperformed.< / span > < / div >
< div class = "line" > < a id = "l00699" name = "l00699" > < / a > < span class = "lineno" > 699< / span > < span class = "keywordflow" > if< / span > (is_unperformed[cp_node] == -1) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00700" name = "l00700" > < / a > < span class = "lineno" > 700< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > = {cp_node, cp_node};< / div >
< div class = "line" > < a id = "l00701" name = "l00701" > < / a > < span class = "lineno" > 701< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (arc_vars, < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ));< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00702" name = "l00702" > < / a > < span class = "lineno" > 702< / span > is_unperformed[cp_node] = AddVariable(cp_model, 0, 1);< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00703" name = "l00703" > < / a > < span class = "lineno" > 703< / span > arc_vars.insert({< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , is_unperformed[cp_node]});< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00704" name = "l00704" > < / a > < span class = "lineno" > 704< / span > }< / div >
< div class = "line" > < a id = "l00705" name = "l00705" > < / a > < span class = "lineno" > 705< / span > var_coeffs.push_back({is_unperformed[cp_node], 1});< / div >
< div class = "line" > < a id = "l00706" name = "l00706" > < / a > < span class = "lineno" > 706< / span > }< / div >
< div class = "line" > < a id = "l00707" name = "l00707" > < / a > < span class = "lineno" > 707< / span > AddLinearConstraint(cp_model, disjunction_size, disjunction_size,< / div >
< div class = "line" > < a id = "l00708" name = "l00708" > < / a > < span class = "lineno" > 708< / span > var_coeffs);< / div >
< div class = "line" > < a id = "l00709" name = "l00709" > < / a > < span class = "lineno" > 709< / span > < span class = "comment" > // When penalty is negative or max int64_t (forced active), num_violated is< / span > < / div >
< div class = "line" > < a id = "l00710" name = "l00710" > < / a > < span class = "lineno" > 710< / span > < span class = "comment" > // 0.< / span > < / div >
< div class = "line" > < a id = "l00711" name = "l00711" > < / a > < span class = "lineno" > 711< / span > < span class = "keywordflow" > if< / span > (penalty < 0 || penalty == < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > ()) {< / div >
< div class = "line" > < a id = "l00712" name = "l00712" > < / a > < span class = "lineno" > 712< / span > AddLinearConstraint(cp_model, max_cardinality, max_cardinality,< / div >
< div class = "line" > < a id = "l00713" name = "l00713" > < / a > < span class = "lineno" > 713< / span > {{num_performed, 1}});< / div >
< div class = "line" > < a id = "l00714" name = "l00714" > < / a > < span class = "lineno" > 714< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00715" name = "l00715" > < / a > < span class = "lineno" > 715< / span > }< / div >
< div class = "line" > < a id = "l00716" name = "l00716" > < / a > < span class = "lineno" > 716< / span > < span class = "comment" > // If number of active indices is less than max_cardinality, then for each< / span > < / div >
< div class = "line" > < a id = "l00717" name = "l00717" > < / a > < span class = "lineno" > 717< / span > < span class = "comment" > // violated index ' penalty' is paid.< / span > < / div >
< div class = "line" > < a id = "l00718" name = "l00718" > < / a > < span class = "lineno" > 718< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_violated = AddVariable(cp_model, 0, max_cardinality);< / div >
< div class = "line" > < a id = "l00719" name = "l00719" > < / a > < span class = "lineno" > 719< / span > cp_model-> mutable_objective()-> add_vars(num_violated);< / div >
< div class = "line" > < a id = "l00720" name = "l00720" > < / a > < span class = "lineno" > 720< / span > cp_model-> mutable_objective()-> add_coeffs(penalty);< / div >
< div class = "line" > < a id = "l00721" name = "l00721" > < / a > < span class = "lineno" > 721< / span > < span class = "comment" > // num_performed + num_violated = max_cardinality< / span > < / div >
< div class = "line" > < a id = "l00722" name = "l00722" > < / a > < span class = "lineno" > 722< / span > AddLinearConstraint(cp_model, max_cardinality, max_cardinality,< / div >
< div class = "line" > < a id = "l00723" name = "l00723" > < / a > < span class = "lineno" > 723< / span > {{num_performed, 1}, {num_violated, 1}});< / div >
< div class = "line" > < a id = "l00724" name = "l00724" > < / a > < span class = "lineno" > 724< / span > }< / div >
< div class = "line" > < a id = "l00725" name = "l00725" > < / a > < span class = "lineno" > 725< / span > < span class = "comment" > // Create " arc" variables.< / span > < / div >
< div class = "line" > < a id = "l00726" name = "l00726" > < / a > < span class = "lineno" > 726< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = 0; < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > < num_nodes; ++< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) {< / div >
< div class = "line" > < a id = "l00727" name = "l00727" > < / a > < span class = "lineno" > 727< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_tail = < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > + 1;< / div >
< div class = "line" > < a id = "l00728" name = "l00728" > < / a > < span class = "lineno" > 728< / span > std::unique_ptr< IntVarIterator> iter(< / div >
< div class = "line" > < a id = "l00729" name = "l00729" > < / a > < span class = "lineno" > 729< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > )-> MakeDomainIterator(< span class = "keyword" > false< / span > ));< / div >
< div class = "line" > < a id = "l00730" name = "l00730" > < / a > < span class = "lineno" > 730< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > : InitAndGetValues(iter.get())) {< / div >
< div class = "line" > < a id = "l00731" name = "l00731" > < / a > < span class = "lineno" > 731< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_head = < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > + 1;< / div >
< div class = "line" > < a id = "l00732" name = "l00732" > < / a > < span class = "lineno" > 732< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > )) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00733" name = "l00733" > < / a > < span class = "lineno" > 733< / span > < span class = "comment" > // Arcs for unperformed visits have already been created.< / span > < / div >
< div class = "line" > < a id = "l00734" name = "l00734" > < / a > < span class = "lineno" > 734< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > == < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00735" name = "l00735" > < / a > < span class = "lineno" > 735< / span > < span class = "comment" > // Direct arcs from start to end nodes should exist only if they are< / span > < / div >
< div class = "line" > < a id = "l00736" name = "l00736" > < / a > < span class = "lineno" > 736< / span > < span class = "comment" > // for the same vehicle.< / span > < / div >
< div class = "line" > < a id = "l00737" name = "l00737" > < / a > < span class = "lineno" > 737< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) & & < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ) & & < / div >
< div class = "line" > < a id = "l00738" name = "l00738" > < / a > < span class = "lineno" > 738< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .VehicleIndex(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) != < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .VehicleIndex(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > )) {< / div >
< div class = "line" > < a id = "l00739" name = "l00739" > < / a > < span class = "lineno" > 739< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00740" name = "l00740" > < / a > < span class = "lineno" > 740< / span > }< / div >
< div class = "line" > < a id = "l00741" name = "l00741" > < / a > < span class = "lineno" > 741< / span > < / div >
< div class = "line" > < a id = "l00742" name = "l00742" > < / a > < span class = "lineno" > 742< / span > < span class = "keywordtype" > bool< / span > feasible = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00743" name = "l00743" > < / a > < span class = "lineno" > 743< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00744" name = "l00744" > < / a > < span class = "lineno" > 744< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetArcCostForVehicle(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > , < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > , vehicle) !=< / div >
< div class = "line" > < a id = "l00745" name = "l00745" > < / a > < span class = "lineno" > 745< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > ()) {< / div >
< div class = "line" > < a id = "l00746" name = "l00746" > < / a > < span class = "lineno" > 746< / span > feasible = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00747" name = "l00747" > < / a > < span class = "lineno" > 747< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00748" name = "l00748" > < / a > < span class = "lineno" > 748< / span > }< / div >
< div class = "line" > < a id = "l00749" name = "l00749" > < / a > < span class = "lineno" > 749< / span > }< / div >
< div class = "line" > < a id = "l00750" name = "l00750" > < / a > < span class = "lineno" > 750< / span > < span class = "keywordflow" > if< / span > (!feasible) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00751" name = "l00751" > < / a > < span class = "lineno" > 751< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00752" name = "l00752" > < / a > < span class = "lineno" > 752< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > Arc< / a > < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > = {cp_tail, cp_head};< / div >
< div class = "line" > < a id = "l00753" name = "l00753" > < / a > < span class = "lineno" > 753< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (!< a class = "code hl_function" href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > (arc_vars, < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ));< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00754" name = "l00754" > < / a > < span class = "lineno" > 754< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > arc_var = AddVariable(cp_model, 0, 1);< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00755" name = "l00755" > < / a > < span class = "lineno" > 755< / span > arc_vars.insert({< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , arc_var});< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00756" name = "l00756" > < / a > < span class = "lineno" > 756< / span > }< / div >
< div class = "line" > < a id = "l00757" name = "l00757" > < / a > < span class = "lineno" > 757< / span > }< / div >
< div class = "line" > < a id = "l00758" name = "l00758" > < / a > < span class = "lineno" > 758< / span > < / div >
< div class = "line" > < a id = "l00759" name = "l00759" > < / a > < span class = "lineno" > 759< / span > < span class = "comment" > // Set literals for vehicle performing node.< / span > < / div >
< div class = "line" > < a id = "l00760" name = "l00760" > < / a > < span class = "lineno" > 760< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > cp_node = 1; cp_node < num_cp_nodes; cp_node++) {< / div >
< div class = "line" > < a id = "l00761" name = "l00761" > < / a > < span class = "lineno" > 761< / span > < span class = "comment" > // For starts and ends nodes vehicle_performs_node variables already set.< / span > < / div >
< div class = "line" > < a id = "l00762" name = "l00762" > < / a > < span class = "lineno" > 762< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(cp_node - 1) || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(cp_node - 1)) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00763" name = "l00763" > < / a > < span class = "lineno" > 763< / span > < span class = "comment" > // Each node should be performed by 1 vehicle, or be unperformed.< / span > < / div >
< div class = "line" > < a id = "l00764" name = "l00764" > < / a > < span class = "lineno" > 764< / span > < span class = "comment" > // SUM(vehicle)(vehicle_performs_node[vehicle][cp_node]) + loop(cp_node) = 1< / span > < / div >
< div class = "line" > < a id = "l00765" name = "l00765" > < / a > < span class = "lineno" > 765< / span > std::vector< std::pair< int, double> > var_coeffs;< / div >
< div class = "line" > < a id = "l00766" name = "l00766" > < / a > < span class = "lineno" > 766< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00767" name = "l00767" > < / a > < span class = "lineno" > 767< / span > vehicle_performs_node[vehicle][cp_node] = AddVariable(cp_model, 0, 1);< / div >
< div class = "line" > < a id = "l00768" name = "l00768" > < / a > < span class = "lineno" > 768< / span > var_coeffs.push_back({vehicle_performs_node[vehicle][cp_node], 1});< / div >
< div class = "line" > < a id = "l00769" name = "l00769" > < / a > < span class = "lineno" > 769< / span > }< / div >
< div class = "line" > < a id = "l00770" name = "l00770" > < / a > < span class = "lineno" > 770< / span > var_coeffs.push_back({is_unperformed[cp_node], 1});< / div >
< div class = "line" > < a id = "l00771" name = "l00771" > < / a > < span class = "lineno" > 771< / span > AddLinearConstraint(cp_model, 1, 1, var_coeffs);< / div >
< div class = "line" > < a id = "l00772" name = "l00772" > < / a > < span class = "lineno" > 772< / span > }< / div >
< div class = "line" > < a id = "l00773" name = "l00773" > < / a > < span class = "lineno" > 773< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_vehicle_classes = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetVehicleClassesCount();< / div >
< div class = "line" > < a id = "l00774" name = "l00774" > < / a > < span class = "lineno" > 774< / span > < span class = "comment" > // vehicle_class_performs_node[vehicle_class][node] equals to 1 if the< / span > < / div >
< div class = "line" > < a id = "l00775" name = "l00775" > < / a > < span class = "lineno" > 775< / span > < span class = "comment" > // vehicle of vehicle_class performs the node, and 0 otherwise.< / span > < / div >
< div class = "line" > < a id = "l00776" name = "l00776" > < / a > < span class = "lineno" > 776< / span > std::vector< absl::flat_hash_map< int, int> > vehicle_class_performs_node(< / div >
< div class = "line" > < a id = "l00777" name = "l00777" > < / a > < span class = "lineno" > 777< / span > num_vehicle_classes);< / div >
< div class = "line" > < a id = "l00778" name = "l00778" > < / a > < span class = "lineno" > 778< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > cp_node = 1; cp_node < num_cp_nodes; cp_node++) {< / div >
< div class = "line" > < a id = "l00779" name = "l00779" > < / a > < span class = "lineno" > 779< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > node = cp_node - 1;< / div >
< div class = "line" > < a id = "l00780" name = "l00780" > < / a > < span class = "lineno" > 780< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > = 0; < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > < num_vehicle_classes;< / div >
< div class = "line" > < a id = "l00781" name = "l00781" > < / a > < span class = "lineno" > 781< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ++) {< / div >
< div class = "line" > < a id = "l00782" name = "l00782" > < / a > < span class = "lineno" > 782< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(node) || < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(node)) {< / div >
< div class = "line" > < a id = "l00783" name = "l00783" > < / a > < span class = "lineno" > 783< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > vehicle = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .VehicleIndex(node);< / div >
< div class = "line" > < a id = "l00784" name = "l00784" > < / a > < span class = "lineno" > 784< / span > vehicle_class_performs_node[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][cp_node] =< / div >
< div class = "line" > < a id = "l00785" name = "l00785" > < / a > < span class = "lineno" > 785< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ==< / div >
< div class = "line" > < a id = "l00786" name = "l00786" > < / a > < span class = "lineno" > 786< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetVehicleClassIndexOfVehicle(vehicle).value()< / div >
< div class = "line" > < a id = "l00787" name = "l00787" > < / a > < span class = "lineno" > 787< / span > ? AddVariable(cp_model, 1, 1)< / div >
< div class = "line" > < a id = "l00788" name = "l00788" > < / a > < span class = "lineno" > 788< / span > : AddVariable(cp_model, 0, 0);< / div >
< div class = "line" > < a id = "l00789" name = "l00789" > < / a > < span class = "lineno" > 789< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00790" name = "l00790" > < / a > < span class = "lineno" > 790< / span > }< / div >
< div class = "line" > < a id = "l00791" name = "l00791" > < / a > < span class = "lineno" > 791< / span > vehicle_class_performs_node[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][cp_node] =< / div >
< div class = "line" > < a id = "l00792" name = "l00792" > < / a > < span class = "lineno" > 792< / span > AddVariable(cp_model, 0, 1);< / div >
< div class = "line" > < a id = "l00793" name = "l00793" > < / a > < span class = "lineno" > 793< / span > std::vector< std::pair< int, double> > var_coeffs;< / div >
< div class = "line" > < a id = "l00794" name = "l00794" > < / a > < span class = "lineno" > 794< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00795" name = "l00795" > < / a > < span class = "lineno" > 795< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetVehicleClassIndexOfVehicle(vehicle).value() ==< / div >
< div class = "line" > < a id = "l00796" name = "l00796" > < / a > < span class = "lineno" > 796< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ) {< / div >
< div class = "line" > < a id = "l00797" name = "l00797" > < / a > < span class = "lineno" > 797< / span > var_coeffs.push_back({vehicle_performs_node[vehicle][cp_node], 1});< / div >
< div class = "line" > < a id = "l00798" name = "l00798" > < / a > < span class = "lineno" > 798< / span > < span class = "comment" > // vehicle_performs_node -> vehicle_class_performs_node< / span > < / div >
< div class = "line" > < a id = "l00799" name = "l00799" > < / a > < span class = "lineno" > 799< / span > AddLinearConstraint(< / div >
< div class = "line" > < a id = "l00800" name = "l00800" > < / a > < span class = "lineno" > 800< / span > cp_model, 1, 1,< / div >
< div class = "line" > < a id = "l00801" name = "l00801" > < / a > < span class = "lineno" > 801< / span > {{vehicle_class_performs_node[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][cp_node], 1}},< / div >
< div class = "line" > < a id = "l00802" name = "l00802" > < / a > < span class = "lineno" > 802< / span > {vehicle_performs_node[vehicle][cp_node]});< / div >
< div class = "line" > < a id = "l00803" name = "l00803" > < / a > < span class = "lineno" > 803< / span > }< / div >
< div class = "line" > < a id = "l00804" name = "l00804" > < / a > < span class = "lineno" > 804< / span > }< / div >
< div class = "line" > < a id = "l00805" name = "l00805" > < / a > < span class = "lineno" > 805< / span > < span class = "comment" > // vehicle_class_performs_node -> exactly one vehicle from this class< / span > < / div >
< div class = "line" > < a id = "l00806" name = "l00806" > < / a > < span class = "lineno" > 806< / span > < span class = "comment" > // performs node.< / span > < / div >
< div class = "line" > < a id = "l00807" name = "l00807" > < / a > < span class = "lineno" > 807< / span > AddLinearConstraint(< / div >
< div class = "line" > < a id = "l00808" name = "l00808" > < / a > < span class = "lineno" > 808< / span > cp_model, 1, 1, var_coeffs,< / div >
< div class = "line" > < a id = "l00809" name = "l00809" > < / a > < span class = "lineno" > 809< / span > {vehicle_class_performs_node[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][cp_node]});< / div >
< div class = "line" > < a id = "l00810" name = "l00810" > < / a > < span class = "lineno" > 810< / span > }< / div >
< div class = "line" > < a id = "l00811" name = "l00811" > < / a > < span class = "lineno" > 811< / span > }< / div >
< div class = "line" > < a id = "l00812" name = "l00812" > < / a > < span class = "lineno" > 812< / span > < span class = "comment" > // vehicle_class_performs_arc[vehicle_class][arc_var] equals to 1 if the< / span > < / div >
< div class = "line" > < a id = "l00813" name = "l00813" > < / a > < span class = "lineno" > 813< / span > < span class = "comment" > // vehicle of vehicle_class performs the arc, and 0 otherwise.< / span > < / div >
< div class = "line" > < a id = "l00814" name = "l00814" > < / a > < span class = "lineno" > 814< / span > std::vector< absl::flat_hash_map< int, int> > vehicle_class_performs_arc(< / div >
< div class = "line" > < a id = "l00815" name = "l00815" > < / a > < span class = "lineno" > 815< / span > num_vehicle_classes);< / div >
< div class = "line" > < a id = "l00816" name = "l00816" > < / a > < span class = "lineno" > 816< / span > < span class = "comment" > // Set " arc" costs.< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00817" name = "l00817" > < / a > < span class = "lineno" > 817< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , arc_var] : arc_vars) {< / div >
< div class = "line" > < a id = "l00818" name = "l00818" > < / a > < span class = "lineno" > 818< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [cp_tail, cp_head] = < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00819" name = "l00819" > < / a > < span class = "lineno" > 819< / span > < span class = "keywordflow" > if< / span > (cp_tail == depot || cp_head == depot) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00820" name = "l00820" > < / a > < span class = "lineno" > 820< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = cp_tail - 1;< / div >
< div class = "line" > < a id = "l00821" name = "l00821" > < / a > < span class = "lineno" > 821< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > = cp_head - 1;< / div >
< div class = "line" > < a id = "l00822" name = "l00822" > < / a > < span class = "lineno" > 822< / span > < span class = "comment" > // Costs for unperformed arcs have already been set.< / span > < / div >
< div class = "line" > < a id = "l00823" name = "l00823" > < / a > < span class = "lineno" > 823< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > == < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00824" name = "l00824" > < / a > < span class = "lineno" > 824< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00825" name = "l00825" > < / a > < span class = "lineno" > 825< / span > < span class = "comment" > // The arc can' t be performed by the vehicle when vehicle can' t perform< / span > < / div >
< div class = "line" > < a id = "l00826" name = "l00826" > < / a > < span class = "lineno" > 826< / span > < span class = "comment" > // arc nodes.< / span > < / div >
< div class = "line" > < a id = "l00827" name = "l00827" > < / a > < span class = "lineno" > 827< / span > < span class = "keywordflow" > if< / span > (!vehicle_performs_node[vehicle].contains(cp_tail) ||< / div >
< div class = "line" > < a id = "l00828" name = "l00828" > < / a > < span class = "lineno" > 828< / span > !vehicle_performs_node[vehicle].contains(cp_head)) {< / div >
< div class = "line" > < a id = "l00829" name = "l00829" > < / a > < span class = "lineno" > 829< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00830" name = "l00830" > < / a > < span class = "lineno" > 830< / span > }< / div >
< div class = "line" > < a id = "l00831" name = "l00831" > < / a > < span class = "lineno" > 831< / span > int64_t < a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetArcCostForVehicle(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > , < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > , vehicle);< / div >
< div class = "line" > < a id = "l00832" name = "l00832" > < / a > < span class = "lineno" > 832< / span > < span class = "comment" > // Arcs with int64_t' s max cost are infeasible.< / span > < / div >
< div class = "line" > < a id = "l00833" name = "l00833" > < / a > < span class = "lineno" > 833< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > == < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > ()) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00834" name = "l00834" > < / a > < span class = "lineno" > 834< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > =< / div >
< div class = "line" > < a id = "l00835" name = "l00835" > < / a > < span class = "lineno" > 835< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetVehicleClassIndexOfVehicle(vehicle).value();< / div >
< div class = "line" > < a id = "l00836" name = "l00836" > < / a > < span class = "lineno" > 836< / span > < span class = "keywordflow" > if< / span > (!vehicle_class_performs_arc[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ].contains(arc_var)) {< / div >
< div class = "line" > < a id = "l00837" name = "l00837" > < / a > < span class = "lineno" > 837< / span > vehicle_class_performs_arc[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][arc_var] =< / div >
< div class = "line" > < a id = "l00838" name = "l00838" > < / a > < span class = "lineno" > 838< / span > AddVariable(cp_model, 0, 1);< / div >
< div class = "line" > < a id = "l00839" name = "l00839" > < / a > < span class = "lineno" > 839< / span > < span class = "comment" > // Create constraints to set vehicle_class_performs_arc.< / span > < / div >
< div class = "line" > < a id = "l00840" name = "l00840" > < / a > < span class = "lineno" > 840< / span > < span class = "comment" > // vehicle_class_performs_arc -> < / span > < / div >
< div class = "line" > < a id = "l00841" name = "l00841" > < / a > < span class = "lineno" > 841< / span > < span class = "comment" > // vehicle_class_performs_tail & vehicle_class_performs_head & < / span > < / div >
< div class = "line" > < a id = "l00842" name = "l00842" > < / a > < span class = "lineno" > 842< / span > < span class = "comment" > // arc_is_performed< / span > < / div >
< div class = "line" > < a id = "l00843" name = "l00843" > < / a > < span class = "lineno" > 843< / span > ConstraintProto* < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = cp_model-> add_constraints();< / div >
< div class = "line" > < a id = "l00844" name = "l00844" > < / a > < span class = "lineno" > 844< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> add_enforcement_literal(< / div >
< div class = "line" > < a id = "l00845" name = "l00845" > < / a > < span class = "lineno" > 845< / span > vehicle_class_performs_arc[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][arc_var]);< / div >
< div class = "line" > < a id = "l00846" name = "l00846" > < / a > < span class = "lineno" > 846< / span > BoolArgumentProto* bool_and = < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> mutable_bool_and();< / div >
< div class = "line" > < a id = "l00847" name = "l00847" > < / a > < span class = "lineno" > 847< / span > bool_and-> add_literals(< / div >
< div class = "line" > < a id = "l00848" name = "l00848" > < / a > < span class = "lineno" > 848< / span > vehicle_class_performs_node[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][cp_tail]);< / div >
< div class = "line" > < a id = "l00849" name = "l00849" > < / a > < span class = "lineno" > 849< / span > bool_and-> add_literals(< / div >
< div class = "line" > < a id = "l00850" name = "l00850" > < / a > < span class = "lineno" > 850< / span > vehicle_class_performs_node[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][cp_head]);< / div >
< div class = "line" > < a id = "l00851" name = "l00851" > < / a > < span class = "lineno" > 851< / span > bool_and-> add_literals(arc_var);< / div >
< div class = "line" > < a id = "l00852" name = "l00852" > < / a > < span class = "lineno" > 852< / span > < span class = "comment" > // Don' t add arcs with zero cost to the objective.< / span > < / div >
< div class = "line" > < a id = "l00853" name = "l00853" > < / a > < span class = "lineno" > 853< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > != 0) {< / div >
< div class = "line" > < a id = "l00854" name = "l00854" > < / a > < span class = "lineno" > 854< / span > cp_model-> mutable_objective()-> add_vars(< / div >
< div class = "line" > < a id = "l00855" name = "l00855" > < / a > < span class = "lineno" > 855< / span > vehicle_class_performs_arc[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][arc_var]);< / div >
< div class = "line" > < a id = "l00856" name = "l00856" > < / a > < span class = "lineno" > 856< / span > cp_model-> mutable_objective()-> add_coeffs(< a class = "code hl_variable" href = "routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1" > cost< / a > );< / div >
< div class = "line" > < a id = "l00857" name = "l00857" > < / a > < span class = "lineno" > 857< / span > }< / div >
< div class = "line" > < a id = "l00858" name = "l00858" > < / a > < span class = "lineno" > 858< / span > }< / div >
< div class = "line" > < a id = "l00859" name = "l00859" > < / a > < span class = "lineno" > 859< / span > < span class = "comment" > // (arc_is_performed & vehicle_performs_tail) -> < / span > < / div >
< div class = "line" > < a id = "l00860" name = "l00860" > < / a > < span class = "lineno" > 860< / span > < span class = "comment" > // (vehicle_class_performs_arc & vehicle_performs_head)< / span > < / div >
< div class = "line" > < a id = "l00861" name = "l00861" > < / a > < span class = "lineno" > 861< / span > ConstraintProto* ct_arc_tail = cp_model-> add_constraints();< / div >
< div class = "line" > < a id = "l00862" name = "l00862" > < / a > < span class = "lineno" > 862< / span > ct_arc_tail-> add_enforcement_literal(arc_var);< / div >
< div class = "line" > < a id = "l00863" name = "l00863" > < / a > < span class = "lineno" > 863< / span > ct_arc_tail-> add_enforcement_literal(< / div >
< div class = "line" > < a id = "l00864" name = "l00864" > < / a > < span class = "lineno" > 864< / span > vehicle_performs_node[vehicle][cp_tail]);< / div >
< div class = "line" > < a id = "l00865" name = "l00865" > < / a > < span class = "lineno" > 865< / span > ct_arc_tail-> mutable_bool_and()-> add_literals(< / div >
< div class = "line" > < a id = "l00866" name = "l00866" > < / a > < span class = "lineno" > 866< / span > vehicle_class_performs_arc[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][arc_var]);< / div >
< div class = "line" > < a id = "l00867" name = "l00867" > < / a > < span class = "lineno" > 867< / span > ct_arc_tail-> mutable_bool_and()-> add_literals(< / div >
< div class = "line" > < a id = "l00868" name = "l00868" > < / a > < span class = "lineno" > 868< / span > vehicle_performs_node[vehicle][cp_head]);< / div >
< div class = "line" > < a id = "l00869" name = "l00869" > < / a > < span class = "lineno" > 869< / span > < span class = "comment" > // (arc_is_performed & vehicle_performs_head) -> < / span > < / div >
< div class = "line" > < a id = "l00870" name = "l00870" > < / a > < span class = "lineno" > 870< / span > < span class = "comment" > // (vehicle_class_performs_arc & vehicle_performs_tail)< / span > < / div >
< div class = "line" > < a id = "l00871" name = "l00871" > < / a > < span class = "lineno" > 871< / span > ConstraintProto* ct_arc_head = cp_model-> add_constraints();< / div >
< div class = "line" > < a id = "l00872" name = "l00872" > < / a > < span class = "lineno" > 872< / span > ct_arc_head-> add_enforcement_literal(arc_var);< / div >
< div class = "line" > < a id = "l00873" name = "l00873" > < / a > < span class = "lineno" > 873< / span > ct_arc_head-> add_enforcement_literal(< / div >
< div class = "line" > < a id = "l00874" name = "l00874" > < / a > < span class = "lineno" > 874< / span > vehicle_performs_node[vehicle][cp_head]);< / div >
< div class = "line" > < a id = "l00875" name = "l00875" > < / a > < span class = "lineno" > 875< / span > ct_arc_head-> mutable_bool_and()-> add_literals(< / div >
< div class = "line" > < a id = "l00876" name = "l00876" > < / a > < span class = "lineno" > 876< / span > vehicle_class_performs_arc[< a class = "code hl_variable" href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > ][arc_var]);< / div >
< div class = "line" > < a id = "l00877" name = "l00877" > < / a > < span class = "lineno" > 877< / span > ct_arc_head-> mutable_bool_and()-> add_literals(< / div >
< div class = "line" > < a id = "l00878" name = "l00878" > < / a > < span class = "lineno" > 878< / span > vehicle_performs_node[vehicle][cp_tail]);< / div >
< div class = "line" > < a id = "l00879" name = "l00879" > < / a > < span class = "lineno" > 879< / span > }< / div >
< div class = "line" > < a id = "l00880" name = "l00880" > < / a > < span class = "lineno" > 880< / span > }< / div >
< div class = "line" > < a id = "l00881" name = "l00881" > < / a > < span class = "lineno" > 881< / span > < / div >
< div class = "line" > < a id = "l00882" name = "l00882" > < / a > < span class = "lineno" > 882< / span > AddGeneralizedPickupDeliveryConstraints(< / div >
< div class = "line" > < a id = "l00883" name = "l00883" > < / a > < span class = "lineno" > 883< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, vehicle_performs_node, is_unperformed, cp_model);< / div >
< div class = "line" > < a id = "l00884" name = "l00884" > < / a > < span class = "lineno" > 884< / span > < / div >
< div class = "line" > < a id = "l00885" name = "l00885" > < / a > < span class = "lineno" > 885< / span > AddGeneralizedDimensions(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, vehicle_performs_node,< / div >
< div class = "line" > < a id = "l00886" name = "l00886" > < / a > < span class = "lineno" > 886< / span > vehicle_class_performs_arc, cp_model);< / div >
< div class = "line" > < a id = "l00887" name = "l00887" > < / a > < span class = "lineno" > 887< / span > < / div >
< div class = "line" > < a id = "l00888" name = "l00888" > < / a > < span class = "lineno" > 888< / span > < span class = "comment" > // Create Routes constraint, ensuring circuits from and to the depot.< / span > < / div >
< div class = "line" > < a id = "l00889" name = "l00889" > < / a > < span class = "lineno" > 889< / span > RoutesConstraintProto* routes_ct =< / div >
< div class = "line" > < a id = "l00890" name = "l00890" > < / a > < span class = "lineno" > 890< / span > cp_model-> add_constraints()-> mutable_routes();< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00891" name = "l00891" > < / a > < span class = "lineno" > 891< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , arc_var] : arc_vars) {< / div >
< div class = "line" > < a id = "l00892" name = "l00892" > < / a > < span class = "lineno" > 892< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .tail;< / div >
< div class = "line" > < a id = "l00893" name = "l00893" > < / a > < span class = "lineno" > 893< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > = < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .head;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00894" name = "l00894" > < / a > < span class = "lineno" > 894< / span > routes_ct-> add_tails(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > );< / div >
< div class = "line" > < a id = "l00895" name = "l00895" > < / a > < span class = "lineno" > 895< / span > routes_ct-> add_heads(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > );< / div >
< div class = "line" > < a id = "l00896" name = "l00896" > < / a > < span class = "lineno" > 896< / span > routes_ct-> add_literals(arc_var);< / div >
< div class = "line" > < a id = "l00897" name = "l00897" > < / a > < span class = "lineno" > 897< / span > }< / div >
< div class = "line" > < a id = "l00898" name = "l00898" > < / a > < span class = "lineno" > 898< / span > < / div >
< div class = "line" > < a id = "l00899" name = "l00899" > < / a > < span class = "lineno" > 899< / span > < span class = "comment" > // Add demands and capacities to improve the LP relaxation and cuts. These< / span > < / div >
< div class = "line" > < a id = "l00900" name = "l00900" > < / a > < span class = "lineno" > 900< / span > < span class = "comment" > // are based on the first " unary" dimension in the model if it exists.< / span > < / div >
< div class = "line" > < a id = "l00901" name = "l00901" > < / a > < span class = "lineno" > 901< / span > < span class = "comment" > // TODO(user): We might want to try to get demand lower bounds from< / span > < / div >
< div class = "line" > < a id = "l00902" name = "l00902" > < / a > < span class = "lineno" > 902< / span > < span class = "comment" > // non-unary dimensions if no unary exist.< / span > < / div >
< div class = "line" > < a id = "l00903" name = "l00903" > < / a > < span class = "lineno" > 903< / span > < span class = "keyword" > const< / span > RoutingDimension* master_dimension = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a id = "l00904" name = "l00904" > < / a > < span class = "lineno" > 904< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > RoutingDimension* dimension : < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .GetDimensions()) {< / div >
< div class = "line" > < a id = "l00905" name = "l00905" > < / a > < span class = "lineno" > 905< / span > < span class = "keywordtype" > bool< / span > is_unary = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00906" name = "l00906" > < / a > < span class = "lineno" > 906< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00907" name = "l00907" > < / a > < span class = "lineno" > 907< / span > < span class = "keywordflow" > if< / span > (dimension-> GetUnaryTransitEvaluator(vehicle) == < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a id = "l00908" name = "l00908" > < / a > < span class = "lineno" > 908< / span > is_unary = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00909" name = "l00909" > < / a > < span class = "lineno" > 909< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00910" name = "l00910" > < / a > < span class = "lineno" > 910< / span > }< / div >
< div class = "line" > < a id = "l00911" name = "l00911" > < / a > < span class = "lineno" > 911< / span > }< / div >
< div class = "line" > < a id = "l00912" name = "l00912" > < / a > < span class = "lineno" > 912< / span > < span class = "keywordflow" > if< / span > (is_unary) {< / div >
< div class = "line" > < a id = "l00913" name = "l00913" > < / a > < span class = "lineno" > 913< / span > master_dimension = dimension;< / div >
< div class = "line" > < a id = "l00914" name = "l00914" > < / a > < span class = "lineno" > 914< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l00915" name = "l00915" > < / a > < span class = "lineno" > 915< / span > }< / div >
< div class = "line" > < a id = "l00916" name = "l00916" > < / a > < span class = "lineno" > 916< / span > }< / div >
< div class = "line" > < a id = "l00917" name = "l00917" > < / a > < span class = "lineno" > 917< / span > < span class = "keywordflow" > if< / span > (master_dimension != < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a id = "l00918" name = "l00918" > < / a > < span class = "lineno" > 918< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > cp_node = 0; cp_node < num_cp_nodes; ++cp_node) {< / div >
< div class = "line" > < a id = "l00919" name = "l00919" > < / a > < span class = "lineno" > 919< / span > int64_t min_transit = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::numeric_limits< int64_t> ::max< / a > ();< / div >
< div class = "line" > < a id = "l00920" name = "l00920" > < / a > < span class = "lineno" > 920< / span > < span class = "keywordflow" > if< / span > (cp_node != 0 & & !< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(cp_node - 1)) {< / div >
< div class = "line" > < a id = "l00921" name = "l00921" > < / a > < span class = "lineno" > 921< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00922" name = "l00922" > < / a > < span class = "lineno" > 922< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "classoperations__research_1_1_routing_model.html#a204041e5264282d54dfd198011e776d3" > RoutingModel::TransitCallback1< / a > & transit =< / div >
< div class = "line" > < a id = "l00923" name = "l00923" > < / a > < span class = "lineno" > 923< / span > master_dimension-> GetUnaryTransitEvaluator(vehicle);< / div >
< div class = "line" > < a id = "l00924" name = "l00924" > < / a > < span class = "lineno" > 924< / span > min_transit = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (min_transit, transit(cp_node - 1));< / div >
< div class = "line" > < a id = "l00925" name = "l00925" > < / a > < span class = "lineno" > 925< / span > }< / div >
< div class = "line" > < a id = "l00926" name = "l00926" > < / a > < span class = "lineno" > 926< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00927" name = "l00927" > < / a > < span class = "lineno" > 927< / span > min_transit = 0;< / div >
< div class = "line" > < a id = "l00928" name = "l00928" > < / a > < span class = "lineno" > 928< / span > }< / div >
< div class = "line" > < a id = "l00929" name = "l00929" > < / a > < span class = "lineno" > 929< / span > routes_ct-> add_demands(min_transit);< / div >
< div class = "line" > < a id = "l00930" name = "l00930" > < / a > < span class = "lineno" > 930< / span > }< / div >
< div class = "line" > < a id = "l00931" name = "l00931" > < / a > < span class = "lineno" > 931< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (routes_ct-> demands_size(), num_cp_nodes);< / div >
< div class = "line" > < a id = "l00932" name = "l00932" > < / a > < span class = "lineno" > 932< / span > int64_t max_capacity = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::numeric_limits< int64_t> ::min< / a > ();< / div >
< div class = "line" > < a id = "l00933" name = "l00933" > < / a > < span class = "lineno" > 933< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > vehicle = 0; vehicle < < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles(); vehicle++) {< / div >
< div class = "line" > < a id = "l00934" name = "l00934" > < / a > < span class = "lineno" > 934< / span > max_capacity = < a class = "code hl_variable" href = "alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f" > std::max< / a > (max_capacity,< / div >
< div class = "line" > < a id = "l00935" name = "l00935" > < / a > < span class = "lineno" > 935< / span > master_dimension-> vehicle_capacities()[vehicle]);< / div >
< div class = "line" > < a id = "l00936" name = "l00936" > < / a > < span class = "lineno" > 936< / span > }< / div >
< div class = "line" > < a id = "l00937" name = "l00937" > < / a > < span class = "lineno" > 937< / span > routes_ct-> set_capacity(max_capacity);< / div >
< div class = "line" > < a id = "l00938" name = "l00938" > < / a > < span class = "lineno" > 938< / span > }< / div >
< div class = "line" > < a id = "l00939" name = "l00939" > < / a > < span class = "lineno" > 939< / span > < span class = "keywordflow" > return< / span > arc_vars;< / div >
< div class = "line" > < a id = "l00940" name = "l00940" > < / a > < span class = "lineno" > 940< / span > }< / div >
< div class = "line" > < a id = "l00941" name = "l00941" > < / a > < span class = "lineno" > 941< / span > < / div >
< div class = "line" > < a id = "l00942" name = "l00942" > < / a > < span class = "lineno" > 942< / span > < span class = "comment" > // Converts a CpSolverResponse to an Assignment containing next variables.< / span > < / div >
< div class = "line" > < a id = "l00943" name = "l00943" > < / a > < span class = "lineno" > 943< / span > < span class = "keywordtype" > bool< / span > ConvertGeneralizedResponseToSolution(< span class = "keyword" > const< / span > CpSolverResponse& < a class = "code hl_variable" href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > ,< / div >
< div class = "line" > < a id = "l00944" name = "l00944" > < / a > < span class = "lineno" > 944< / span > < span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00945" name = "l00945" > < / a > < span class = "lineno" > 945< / span > < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00946" name = "l00946" > < / a > < span class = "lineno" > 946< / span > Assignment* solution) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00947" name = "l00947" > < / a > < span class = "lineno" > 947< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > .status() != CpSolverStatus::OPTIMAL & & < / div >
< div class = "line" > < a id = "l00948" name = "l00948" > < / a > < span class = "lineno" > 948< / span > < a class = "code hl_variable" href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > .status() != CpSolverStatus::FEASIBLE) {< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00949" name = "l00949" > < / a > < span class = "lineno" > 949< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00950" name = "l00950" > < / a > < span class = "lineno" > 950< / span > }< / div >
< div class = "line" > < a id = "l00951" name = "l00951" > < / a > < span class = "lineno" > 951< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > depot = 0;< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00952" name = "l00952" > < / a > < span class = "lineno" > 952< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , arc_var] : arc_vars) {< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00953" name = "l00953" > < / a > < span class = "lineno" > 953< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > .solution(arc_var) == 0) < span class = "keywordflow" > continue< / span > ;< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00954" name = "l00954" > < / a > < span class = "lineno" > 954< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > , < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ] = < a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00955" name = "l00955" > < / a > < span class = "lineno" > 955< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > == depot || < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > == depot) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00956" name = "l00956" > < / a > < span class = "lineno" > 956< / span > solution-> Add(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > - 1))-> SetValue(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > - 1);< / div >
< div class = "line" > < a id = "l00957" name = "l00957" > < / a > < span class = "lineno" > 957< / span > }< / div >
< div class = "line" > < a id = "l00958" name = "l00958" > < / a > < span class = "lineno" > 958< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00959" name = "l00959" > < / a > < span class = "lineno" > 959< / span > }< / div >
< div class = "line" > < a id = "l00960" name = "l00960" > < / a > < span class = "lineno" > 960< / span > < / div >
< div class = "line" > < a id = "l00961" name = "l00961" > < / a > < span class = "lineno" > 961< / span > < span class = "comment" > // Uses CP solution as hint for CP-SAT.< / span > < / div >
< div class = "line" > < a id = "l00962" name = "l00962" > < / a > < span class = "lineno" > 962< / span > < span class = "keywordtype" > void< / span > AddSolutionAsHintToGeneralizedModel(< span class = "keyword" > const< / span > Assignment* solution,< / div >
< div class = "line" > < a id = "l00963" name = "l00963" > < / a > < span class = "lineno" > 963< / span > < span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00964" name = "l00964" > < / a > < span class = "lineno" > 964< / span > < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00965" name = "l00965" > < / a > < span class = "lineno" > 965< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00966" name = "l00966" > < / a > < span class = "lineno" > 966< / span > < span class = "keywordflow" > if< / span > (solution == < span class = "keyword" > nullptr< / span > ) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00967" name = "l00967" > < / a > < span class = "lineno" > 967< / span > PartialVariableAssignment* < span class = "keyword" > const< / span > hint = cp_model-> mutable_solution_hint();< / div >
< div class = "line" > < a id = "l00968" name = "l00968" > < / a > < span class = "lineno" > 968< / span > hint-> Clear();< / div >
< div class = "line" > < a id = "l00969" name = "l00969" > < / a > < span class = "lineno" > 969< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_nodes = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Nexts().size();< / div >
< div class = "line" > < a id = "l00970" name = "l00970" > < / a > < span class = "lineno" > 970< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = 0; < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > < num_nodes; ++< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) {< / div >
< div class = "line" > < a id = "l00971" name = "l00971" > < / a > < span class = "lineno" > 971< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_tail = < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > + 1;< / div >
< div class = "line" > < a id = "l00972" name = "l00972" > < / a > < span class = "lineno" > 972< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cp_head = solution-> Value(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > )) + 1;< / div >
< div class = "line" > < a id = "l00973" name = "l00973" > < / a > < span class = "lineno" > 973< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > * < span class = "keyword" > const< / span > arc_var = < a class = "code hl_function" href = "namespacegtl.html#a9f74dcd1ec00022462cbf110edaafc6d" > gtl::FindOrNull< / a > (arc_vars, {cp_tail, cp_head});< / div >
< div class = "line" > < a id = "l00974" name = "l00974" > < / a > < span class = "lineno" > 974< / span > < span class = "comment" > // Arcs with a cost of max int64_t are not added to the model (considered as< / span > < / div >
< div class = "line" > < a id = "l00975" name = "l00975" > < / a > < span class = "lineno" > 975< / span > < span class = "comment" > // infeasible). In some rare cases CP solutions might contain such arcs in< / span > < / div >
< div class = "line" > < a id = "l00976" name = "l00976" > < / a > < span class = "lineno" > 976< / span > < span class = "comment" > // which case they are skipped here and a partial solution is used as a< / span > < / div >
< div class = "line" > < a id = "l00977" name = "l00977" > < / a > < span class = "lineno" > 977< / span > < span class = "comment" > // hint.< / span > < / div >
< div class = "line" > < a id = "l00978" name = "l00978" > < / a > < span class = "lineno" > 978< / span > < span class = "keywordflow" > if< / span > (arc_var == < span class = "keyword" > nullptr< / span > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00979" name = "l00979" > < / a > < span class = "lineno" > 979< / span > hint-> add_vars(*arc_var);< / div >
< div class = "line" > < a id = "l00980" name = "l00980" > < / a > < span class = "lineno" > 980< / span > hint-> add_values(1);< / div >
< div class = "line" > < a id = "l00981" name = "l00981" > < / a > < span class = "lineno" > 981< / span > }< / div >
< div class = "line" > < a id = "l00982" name = "l00982" > < / a > < span class = "lineno" > 982< / span > }< / div >
< div class = "line" > < a id = "l00983" name = "l00983" > < / a > < span class = "lineno" > 983< / span > < / div >
< div class = "line" > < a id = "l00984" name = "l00984" > < / a > < span class = "lineno" > 984< / span > < span class = "keywordtype" > void< / span > AddSolutionAsHintToModel(< span class = "keyword" > const< / span > Assignment* solution,< / div >
< div class = "line" > < a id = "l00985" name = "l00985" > < / a > < span class = "lineno" > 985< / span > < span class = "keyword" > const< / span > RoutingModel& < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
< div class = "line" > < a id = "l00986" name = "l00986" > < / a > < span class = "lineno" > 986< / span > < span class = "keyword" > const< / span > ArcVarMap& arc_vars,< / div >
< div class = "line" > < a id = "l00987" name = "l00987" > < / a > < span class = "lineno" > 987< / span > CpModelProto* cp_model) {< / div >
< div class = "line" > < a id = "l00988" name = "l00988" > < / a > < span class = "lineno" > 988< / span > < span class = "keywordflow" > if< / span > (solution == < span class = "keyword" > nullptr< / span > ) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00989" name = "l00989" > < / a > < span class = "lineno" > 989< / span > PartialVariableAssignment* < span class = "keyword" > const< / span > hint = cp_model-> mutable_solution_hint();< / div >
< div class = "line" > < a id = "l00990" name = "l00990" > < / a > < span class = "lineno" > 990< / span > hint-> Clear();< / div >
< div class = "line" > < a id = "l00991" name = "l00991" > < / a > < span class = "lineno" > 991< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > depot = GetDepotFromModel(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l00992" name = "l00992" > < / a > < span class = "lineno" > 992< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_nodes = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Nexts().size();< / div >
< div class = "line" > < a id = "l00993" name = "l00993" > < / a > < span class = "lineno" > 993< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > = 0; < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > < num_nodes; ++< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00994" name = "l00994" > < / a > < span class = "lineno" > 994< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#aaf2e0a8c3adf4282a64dedbfc3ad9dbc" > tail_index< / a > = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsStart(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ) ? depot : < a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00995" name = "l00995" > < / a > < span class = "lineno" > 995< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > = solution-> Value(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .NextVar(< a class = "code hl_variable" href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > ));< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00996" name = "l00996" > < / a > < span class = "lineno" > 996< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a6838828409e38d5296e8379d61758293" > head_index< / a > = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .IsEnd(< a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ) ? depot : < a class = "code hl_variable" href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > ;< / div >
< div class = "line" > < a id = "l00997" name = "l00997" > < / a > < span class = "lineno" > 997< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "local__search_8cc.html#aaf2e0a8c3adf4282a64dedbfc3ad9dbc" > tail_index< / a > == depot & & < a class = "code hl_variable" href = "local__search_8cc.html#a6838828409e38d5296e8379d61758293" > head_index< / a > == depot) < span class = "keywordflow" > continue< / span > ;< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00998" name = "l00998" > < / a > < span class = "lineno" > 998< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > * < span class = "keyword" > const< / span > var_index =< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00999" name = "l00999" > < / a > < span class = "lineno" > 999< / span > < a class = "code hl_function" href = "namespacegtl.html#a9f74dcd1ec00022462cbf110edaafc6d" > gtl::FindOrNull< / a > (arc_vars, {< a class = "code hl_variable" href = "local__search_8cc.html#aaf2e0a8c3adf4282a64dedbfc3ad9dbc" > tail_index< / a > , < a class = "code hl_variable" href = "local__search_8cc.html#a6838828409e38d5296e8379d61758293" > head_index< / a > });< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l01000" name = "l01000" > < / a > < span class = "lineno" > 1000< / span > < span class = "comment" > // Arcs with a cost of kint64max are not added to the model (considered as< / span > < / div >
< div class = "line" > < a id = "l01001" name = "l01001" > < / a > < span class = "lineno" > 1001< / span > < span class = "comment" > // infeasible). In some rare cases CP solutions might contain such arcs in< / span > < / div >
< div class = "line" > < a id = "l01002" name = "l01002" > < / a > < span class = "lineno" > 1002< / span > < span class = "comment" > // which case they are skipped here and a partial solution is used as a< / span > < / div >
< div class = "line" > < a id = "l01003" name = "l01003" > < / a > < span class = "lineno" > 1003< / span > < span class = "comment" > // hint.< / span > < / div >
< div class = "line" > < a id = "l01004" name = "l01004" > < / a > < span class = "lineno" > 1004< / span > < span class = "keywordflow" > if< / span > (var_index == < span class = "keyword" > nullptr< / span > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l01005" name = "l01005" > < / a > < span class = "lineno" > 1005< / span > hint-> add_vars(*var_index);< / div >
< div class = "line" > < a id = "l01006" name = "l01006" > < / a > < span class = "lineno" > 1006< / span > hint-> add_values(1);< / div >
< div class = "line" > < a id = "l01007" name = "l01007" > < / a > < span class = "lineno" > 1007< / span > }< / div >
< div class = "line" > < a id = "l01008" name = "l01008" > < / a > < span class = "lineno" > 1008< / span > }< / div >
< div class = "line" > < a id = "l01009" name = "l01009" > < / a > < span class = "lineno" > 1009< / span > < / div >
< div class = "line" > < a id = "l01010" name = "l01010" > < / a > < span class = "lineno" > 1010< / span > < span class = "comment" > // Configures a CP-SAT solver and solves the given (routing) model using it.< / span > < / div >
< div class = "line" > < a id = "l01011" name = "l01011" > < / a > < span class = "lineno" > 1011< / span > < span class = "comment" > // Returns the response of the search.< / span > < / div >
< div class = "line" > < a id = "l01012" name = "l01012" > < / a > < span class = "lineno" > 1012< / span > CpSolverResponse SolveRoutingModel(< / div >
< div class = "line" > < a id = "l01013" name = "l01013" > < / a > < span class = "lineno" > 1013< / span > < span class = "keyword" > const< / span > CpModelProto& cp_model, absl::Duration remaining_time,< / div >
< div class = "line" > < a id = "l01014" name = "l01014" > < / a > < span class = "lineno" > 1014< / span > < span class = "keyword" > const< / span > RoutingSearchParameters& search_parameters,< / div >
< div class = "line" > < a id = "l01015" name = "l01015" > < / a > < span class = "lineno" > 1015< / span > < span class = "keyword" > const< / span > std::function< < span class = "keywordtype" > void< / span > (< span class = "keyword" > const< / span > CpSolverResponse& < a class = "code hl_variable" href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > )> & observer) {< / div >
< div class = "line" > < a id = "l01016" name = "l01016" > < / a > < span class = "lineno" > 1016< / span > < span class = "comment" > // Copying to set remaining time.< / span > < / div >
< div class = "line" > < a id = "l01017" name = "l01017" > < / a > < span class = "lineno" > 1017< / span > SatParameters sat_parameters = search_parameters.sat_parameters();< / div >
< div class = "line" > < a id = "l01018" name = "l01018" > < / a > < span class = "lineno" > 1018< / span > < span class = "keywordflow" > if< / span > (!sat_parameters.has_max_time_in_seconds()) {< / div >
< div class = "line" > < a id = "l01019" name = "l01019" > < / a > < span class = "lineno" > 1019< / span > sat_parameters.set_max_time_in_seconds(< / div >
< div class = "line" > < a id = "l01020" name = "l01020" > < / a > < span class = "lineno" > 1020< / span > absl::ToDoubleSeconds(remaining_time));< / div >
< div class = "line" > < a id = "l01021" name = "l01021" > < / a > < span class = "lineno" > 1021< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01022" name = "l01022" > < / a > < span class = "lineno" > 1022< / span > sat_parameters.set_max_time_in_seconds(< / div >
< div class = "line" > < a id = "l01023" name = "l01023" > < / a > < span class = "lineno" > 1023< / span > < a class = "code hl_variable" href = "alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045" > std::min< / a > (absl::ToDoubleSeconds(remaining_time),< / div >
< div class = "line" > < a id = "l01024" name = "l01024" > < / a > < span class = "lineno" > 1024< / span > sat_parameters.max_time_in_seconds()));< / div >
< div class = "line" > < a id = "l01025" name = "l01025" > < / a > < span class = "lineno" > 1025< / span > }< / div >
< div class = "line" > < a id = "l01026" name = "l01026" > < / a > < span class = "lineno" > 1026< / span > Model < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ;< / div >
< div class = "line" > < a id = "l01027" name = "l01027" > < / a > < span class = "lineno" > 1027< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57" > NewSatParameters< / a > (sat_parameters));< / div >
< div class = "line" > < a id = "l01028" name = "l01028" > < / a > < span class = "lineno" > 1028< / span > < span class = "keywordflow" > if< / span > (observer != < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a id = "l01029" name = "l01029" > < / a > < span class = "lineno" > 1029< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Add(< a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0" > NewFeasibleSolutionObserver< / a > (observer));< / div >
< div class = "line" > < a id = "l01030" name = "l01030" > < / a > < span class = "lineno" > 1030< / span > }< / div >
< div class = "line" > < a id = "l01031" name = "l01031" > < / a > < span class = "lineno" > 1031< / span > < span class = "comment" > // TODO(user): Add an option to dump the CP-SAT model or check if the< / span > < / div >
< div class = "line" > < a id = "l01032" name = "l01032" > < / a > < span class = "lineno" > 1032< / span > < span class = "comment" > // cp_model_dump_file flag in cp_model_solver.cc is good enough.< / span > < / div >
< div class = "line" > < a id = "l01033" name = "l01033" > < / a > < span class = "lineno" > 1033< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_function" href = "namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1" > SolveCpModel< / a > (cp_model, & < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > );< / div >
< div class = "line" > < a id = "l01034" name = "l01034" > < / a > < span class = "lineno" > 1034< / span > }< / div >
< div class = "line" > < a id = "l01035" name = "l01035" > < / a > < span class = "lineno" > 1035< / span > < / div >
< div class = "line" > < a id = "l01036" name = "l01036" > < / a > < span class = "lineno" > 1036< / span > < span class = "comment" > // Check if all the nodes are present in arcs. Otherwise, CP-SAT solver may< / span > < / div >
< div class = "line" > < a id = "l01037" name = "l01037" > < / a > < span class = "lineno" > 1037< / span > < span class = "comment" > // fail.< / span > < / div >
< div class = "line" > < a id = "l01038" name = "l01038" > < / a > < span class = "lineno" > 1038< / span > < span class = "keywordtype" > bool< / span > IsFeasibleArcVarMap(< span class = "keyword" > const< / span > ArcVarMap& arc_vars, < span class = "keywordtype" > int< / span > max_node_index) {< / div >
< div class = "line" > < a id = "l01039" name = "l01039" > < / a > < span class = "lineno" > 1039< / span > Bitset64< > present_in_arcs(max_node_index + 1);< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l01040" name = "l01040" > < / a > < span class = "lineno" > 1040< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > [< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > , _] : arc_vars) {< / div >
< div class = "line" > < a id = "l01041" name = "l01041" > < / a > < span class = "lineno" > 1041< / span > present_in_arcs.Set(< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .head);< / div >
< div class = "line" > < a id = "l01042" name = "l01042" > < / a > < span class = "lineno" > 1042< / span > present_in_arcs.Set(< a class = "code hl_variable" href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > .tail);< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l01043" name = "l01043" > < / a > < span class = "lineno" > 1043< / span > }< / div >
< div class = "line" > < a id = "l01044" name = "l01044" > < / a > < span class = "lineno" > 1044< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < = max_node_index; i++) {< / div >
< div class = "line" > < a id = "l01045" name = "l01045" > < / a > < span class = "lineno" > 1045< / span > < span class = "keywordflow" > if< / span > (!present_in_arcs[i]) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01046" name = "l01046" > < / a > < span class = "lineno" > 1046< / span > }< / div >
< div class = "line" > < a id = "l01047" name = "l01047" > < / a > < span class = "lineno" > 1047< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l01048" name = "l01048" > < / a > < span class = "lineno" > 1048< / span > }< / div >
< div class = "line" > < a id = "l01049" name = "l01049" > < / a > < span class = "lineno" > 1049< / span > < / div >
< div class = "line" > < a id = "l01050" name = "l01050" > < / a > < span class = "lineno" > 1050< / span > } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a id = "l01051" name = "l01051" > < / a > < span class = "lineno" > 1051< / span > } < span class = "comment" > // namespace sat< / span > < / div >
< div class = "line" > < a id = "l01052" name = "l01052" > < / a > < span class = "lineno" > 1052< / span > < / div >
< div class = "line" > < a id = "l01053" name = "l01053" > < / a > < span class = "lineno" > 1053< / span > < span class = "comment" > // Solves a RoutingModel using the CP-SAT solver. Returns false if no solution< / span > < / div >
< div class = "line" > < a id = "l01054" name = "l01054" > < / a > < span class = "lineno" > 1054< / span > < span class = "comment" > // was found.< / span > < / div >
< div class = "line" > < a id = "l01055" name = "l01055" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research.html#a082573f2b119f85031afcc6b9096b102" > 1055< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "namespaceoperations__research.html#a082573f2b119f85031afcc6b9096b102" > SolveModelWithSat< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_routing_model.html" > RoutingModel< / a > & < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > ,< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l01056" name = "l01056" > < / a > < span class = "lineno" > 1056< / span > < span class = "keyword" > const< / span > RoutingSearchParameters& search_parameters,< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l01057" name = "l01057" > < / a > < span class = "lineno" > 1057< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1_assignment.html" > Assignment< / a > * initial_solution,< / div >
< div class = "line" > < a id = "l01058" name = "l01058" > < / a > < span class = "lineno" > 1058< / span > < a class = "code hl_class" href = "classoperations__research_1_1_assignment.html" > Assignment< / a > * solution) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l01059" name = "l01059" > < / a > < span class = "lineno" > 1059< / span > sat::CpModelProto cp_model;< / div >
< div class = "line" > < a id = "l01060" name = "l01060" > < / a > < span class = "lineno" > 1060< / span > cp_model.mutable_objective()-> set_scaling_factor(< / div >
< div class = "line" > < a id = "l01061" name = "l01061" > < / a > < span class = "lineno" > 1061< / span > search_parameters.log_cost_scaling_factor());< / div >
< div class = "line" > < a id = "l01062" name = "l01062" > < / a > < span class = "lineno" > 1062< / span > cp_model.mutable_objective()-> set_offset(search_parameters.log_cost_offset());< / div >
< div class = "line" > < a id = "l01063" name = "l01063" > < / a > < span class = "lineno" > 1063< / span > < span class = "keywordflow" > if< / span > (search_parameters.use_generalized_cp_sat() == BOOL_TRUE) {< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l01064" name = "l01064" > < / a > < span class = "lineno" > 1064< / span > < span class = "keyword" > const< / span > sat::ArcVarMap arc_vars =< / div >
< div class = "line" > < a id = "l01065" name = "l01065" > < / a > < span class = "lineno" > 1065< / span > sat::PopulateGeneralizedRouteModelFromRoutingModel(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , & cp_model);< / div >
< div class = "line" > < a id = "l01066" name = "l01066" > < / a > < span class = "lineno" > 1066< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > max_node_index = < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .Nexts().size() + < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .vehicles();< / div >
< div class = "line" > < a id = "l01067" name = "l01067" > < / a > < span class = "lineno" > 1067< / span > < span class = "keywordflow" > if< / span > (!sat::IsFeasibleArcVarMap(arc_vars, max_node_index)) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01068" name = "l01068" > < / a > < span class = "lineno" > 1068< / span > sat::AddSolutionAsHintToGeneralizedModel(initial_solution, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars,< / div >
< div class = "line" > < a id = "l01069" name = "l01069" > < / a > < span class = "lineno" > 1069< / span > & cp_model);< / div >
< div class = "line" > < a id = "l01070" name = "l01070" > < / a > < span class = "lineno" > 1070< / span > < span class = "keywordflow" > return< / span > sat::ConvertGeneralizedResponseToSolution(< / div >
< div class = "line" > < a id = "l01071" name = "l01071" > < / a > < span class = "lineno" > 1071< / span > sat::SolveRoutingModel(cp_model, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .RemainingTime(),< / div >
< div class = "line" > < a id = "l01072" name = "l01072" > < / a > < span class = "lineno" > 1072< / span > search_parameters, < span class = "keyword" > nullptr< / span > ),< / div >
< div class = "line" > < a id = "l01073" name = "l01073" > < / a > < span class = "lineno" > 1073< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, solution);< / div >
< div class = "line" > < a id = "l01074" name = "l01074" > < / a > < span class = "lineno" > 1074< / span > }< / div >
< div class = "line" > < a id = "l01075" name = "l01075" > < / a > < span class = "lineno" > 1075< / span > < span class = "keywordflow" > if< / span > (!sat::RoutingModelCanBeSolvedBySat(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > )) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01076" name = "l01076" > < / a > < span class = "lineno" > 1076< / span > < span class = "keyword" > const< / span > sat::ArcVarMap arc_vars =< / div >
< div class = "line" > < a id = "l01077" name = "l01077" > < / a > < span class = "lineno" > 1077< / span > sat::PopulateModelFromRoutingModel(< a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , & cp_model);< / div >
< div class = "line" > < a id = "l01078" name = "l01078" > < / a > < span class = "lineno" > 1078< / span > sat::AddSolutionAsHintToModel(initial_solution, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, & cp_model);< / div >
< div class = "line" > < a id = "l01079" name = "l01079" > < / a > < span class = "lineno" > 1079< / span > < span class = "keywordflow" > return< / span > sat::ConvertToSolution(< / div >
< div class = "line" > < a id = "l01080" name = "l01080" > < / a > < span class = "lineno" > 1080< / span > sat::SolveRoutingModel(cp_model, < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > .RemainingTime(), search_parameters,< / div >
< div class = "line" > < a id = "l01081" name = "l01081" > < / a > < span class = "lineno" > 1081< / span > < span class = "keyword" > nullptr< / span > ),< / div >
< div class = "line" > < a id = "l01082" name = "l01082" > < / a > < span class = "lineno" > 1082< / span > < a class = "code hl_variable" href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > , arc_vars, solution);< / div >
< div class = "line" > < a id = "l01083" name = "l01083" > < / a > < span class = "lineno" > 1083< / span > }< / div >
< div class = "line" > < a id = "l01084" name = "l01084" > < / a > < span class = "lineno" > 1084< / span > < / div >
< div class = "line" > < a id = "l01085" name = "l01085" > < / a > < span class = "lineno" > 1085< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< 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_a5c4f8c31d1c77116201f5c497e1e19f8" > < div class = "ttname" > < a href = "alldiff__cst_8cc.html#a5c4f8c31d1c77116201f5c497e1e19f8" > max_rank< / a > < / div > < div class = "ttdeci" > int max_rank< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "alldiff__cst_8cc_source.html#l00142" > alldiff_cst.cc:142< / 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" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< 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#l00895" > base/logging.h:895< / 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#l00890" > base/logging.h:890< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ae4db23f10f5d4aad6d735f5a74cd6f8c" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c" > CHECK_LE< / a > < / div > < div class = "ttdeci" > #define CHECK_LE(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_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#l00891" > base/logging.h:891< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_assignment_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_assignment.html" > operations_research::Assignment< / a > < / div > < div class = "ttdoc" > An Assignment is a variable -> domains mapping, used to report solutions to the user.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_8h_source.html#l05081" > constraint_solver.h:5081< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html" > operations_research::RoutingModel< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00210" > routing.h:210< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a204041e5264282d54dfd198011e776d3" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a204041e5264282d54dfd198011e776d3" > operations_research::RoutingModel::TransitCallback1< / a > < / div > < div class = "ttdeci" > RoutingTransitCallback1 TransitCallback1< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00241" > routing.h:241< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_routing_model_html_a5fa8aee5b0c67072dbbb03f1899ec60a" > < div class = "ttname" > < a href = "classoperations__research_1_1_routing_model.html#a5fa8aee5b0c67072dbbb03f1899ec60a" > operations_research::RoutingModel::TransitCallback2< / a > < / div > < div class = "ttdeci" > RoutingTransitCallback2 TransitCallback2< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing_8h_source.html#l00242" > routing.h:242< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_a9293e4d29cac928301645070dd307683" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#a9293e4d29cac928301645070dd307683" > b< / a > < / div > < div class = "ttdeci" > int64_t b< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00047" > constraint_solver/table.cc:47< / a > < / div > < / div >
< div class = "ttc" id = "aconstraint__solver_2table_8cc_html_acb18315d548212835cd8ed4287e6c0b6" > < div class = "ttname" > < a href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > < / div > < div class = "ttdeci" > int64_t a< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "constraint__solver_2table_8cc_source.html#l00046" > constraint_solver/table.cc:46< / a > < / div > < / div >
< div class = "ttc" id = "aconstraint__solver_8h_html" > < div class = "ttname" > < a href = "constraint__solver_8h.html" > constraint_solver.h< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "acp__model__solver_8cc_html_abcd33b18ce6d5a90a4ba5c37cfa58829" > < div class = "ttname" > < a href = "cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829" > response< / a > < / div > < div class = "ttdeci" > SharedResponseManager * response< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__solver_8cc_source.html#l02052" > cp_model_solver.cc:2052< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "acp__model__solver_8h_html" > < div class = "ttname" > < a href = "cp__model__solver_8h.html" > cp_model_solver.h< / a > < / div > < / div >
< div class = "ttc" id = "ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > < / div > < div class = "ttdeci" > const Constraint * ct< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00043" > demon_profiler.cc:43< / a > < / div > < / div >
< div class = "ttc" id = "ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < / div > < div class = "ttdeci" > int64_t value< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00044" > demon_profiler.cc:44< / a > < / div > < / div >
< div class = "ttc" id = "aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465" > < div class = "ttname" > < a href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < / div > < div class = "ttdeci" > IntVar * var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "expr__array_8cc_source.html#l01874" > expr_array.cc:1874< / a > < / div > < / div >
< div class = "ttc" id = "agscip__solver_8cc_html_a1ba5ca0f61f2fa13bd23bf0f89004f35" > < div class = "ttname" > < a href = "gscip__solver_8cc.html#a1ba5ca0f61f2fa13bd23bf0f89004f35" > upper_bound< / a > < / div > < div class = "ttdeci" > double upper_bound< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "gscip__solver_8cc_source.html#l00137" > gscip_solver.cc:137< / a > < / div > < / div >
< div class = "ttc" id = "agscip__solver_8cc_html_a1e2f9a2352c1d9a6cada9544898fceec" > < div class = "ttname" > < a href = "gscip__solver_8cc.html#a1e2f9a2352c1d9a6cada9544898fceec" > lower_bound< / a > < / div > < div class = "ttdeci" > double lower_bound< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "gscip__solver_8cc_source.html#l00136" > gscip_solver.cc:136< / a > < / div > < / div >
< div class = "ttc" id = "agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf" > < div class = "ttname" > < a href = "gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf" > model< / a > < / div > < div class = "ttdeci" > GRBmodel * model< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "gurobi__interface_8cc_source.html#l00274" > gurobi_interface.cc:274< / a > < / div > < / div >
< div class = "ttc" id = "ainteger_8h_html" > < div class = "ttname" > < a href = "integer_8h.html" > integer.h< / a > < / div > < / div >
< div class = "ttc" id = "aintegral__types_8h_html" > < div class = "ttname" > < a href = "integral__types_8h.html" > integral_types.h< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "alocal__search_8cc_html_a30b5726116ac85ea64777e5d6e333894" > < div class = "ttname" > < a href = "local__search_8cc.html#a30b5726116ac85ea64777e5d6e333894" > arc< / a > < / div > < div class = "ttdeci" > int arc< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02751" > local_search.cc:2751< / a > < / div > < / div >
< div class = "ttc" id = "alocal__search_8cc_html_a6838828409e38d5296e8379d61758293" > < div class = "ttname" > < a href = "local__search_8cc.html#a6838828409e38d5296e8379d61758293" > head_index< / a > < / div > < div class = "ttdeci" > int head_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02747" > local_search.cc:2747< / a > < / div > < / div >
< div class = "ttc" id = "alocal__search_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0" > < div class = "ttname" > < a href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > < / div > < div class = "ttdeci" > int index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02750" > local_search.cc:2750< / a > < / div > < / div >
< div class = "ttc" id = "alocal__search_8cc_html_aaf2e0a8c3adf4282a64dedbfc3ad9dbc" > < div class = "ttname" > < a href = "local__search_8cc.html#aaf2e0a8c3adf4282a64dedbfc3ad9dbc" > tail_index< / a > < / div > < div class = "ttdeci" > int tail_index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02746" > local_search.cc:2746< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "amap__util_8h_html" > < div class = "ttname" > < a href = "map__util_8h.html" > map_util.h< / a > < / div > < / div >
< div class = "ttc" id = "anamespacegtl_html_a5c0d4dea208db4deaa285c06b78d8181" > < div class = "ttname" > < a href = "namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181" > gtl::InsertOrDie< / a > < / div > < div class = "ttdeci" > void InsertOrDie(Collection *const collection, const typename Collection::value_type & value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "map__util_8h_source.html#l00154" > map_util.h:154< / a > < / div > < / div >
< div class = "ttc" id = "anamespacegtl_html_a9f74dcd1ec00022462cbf110edaafc6d" > < div class = "ttname" > < a href = "namespacegtl.html#a9f74dcd1ec00022462cbf110edaafc6d" > gtl::FindOrNull< / a > < / div > < div class = "ttdeci" > const Collection::value_type::second_type * FindOrNull(const Collection & collection, const typename Collection::value_type::first_type & key)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "map__util_8h_source.html#l00060" > map_util.h:60< / a > < / div > < / div >
< div class = "ttc" id = "anamespacegtl_html_aae28e97bd1fa93cb0032642550da7455" > < div class = "ttname" > < a href = "namespacegtl.html#aae28e97bd1fa93cb0032642550da7455" > gtl::ContainsKey< / a > < / div > < div class = "ttdeci" > bool ContainsKey(const Collection & collection, const Key & key)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "map__util_8h_source.html#l00200" > map_util.h:200< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1math__opt_html_ab178aaedd4038bc74e549075b3b09a92" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1math__opt.html#ab178aaedd4038bc74e549075b3b09a92" > operations_research::math_opt::operator!=< / a > < / div > < div class = "ttdeci" > bool operator!=(const LinearConstraint & lhs, const LinearConstraint & rhs)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "math__opt_2cpp_2linear__constraint_8h_source.html#l00115" > math_opt/cpp/linear_constraint.h:115< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a0a9777d760241f28010442a2c01f45e0" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0" > operations_research::sat::NewFeasibleSolutionObserver< / a > < / div > < div class = "ttdeci" > std::function< void(Model *)> NewFeasibleSolutionObserver(const std::function< void(const CpSolverResponse & response)> & observer)< / div > < div class = "ttdoc" > Creates a solution observer with the model with model.Add(NewFeasibleSolutionObserver([](response){....< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__solver_8cc_source.html#l00774" > cp_model_solver.cc:774< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a1227e67513602591fb959e35c9de66e8" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8" > operations_research::sat::kMaxIntegerValue< / a > < / div > < div class = "ttdeci" > constexpr IntegerValue kMaxIntegerValue(std::numeric_limits< IntegerValue::ValueType > ::max() - 1)< / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a15ca399ada8a279dc92f693ede7e4004" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a15ca399ada8a279dc92f693ede7e4004" > operations_research::sat::operator< < < / a > < / div > < div class = "ttdeci" > std::ostream & operator< < (std::ostream & os, const BoolVar & var)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model_8cc_source.html#l00089" > cp_model.cc:89< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a1684fe34484d78336d3cdac55ec6de57" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57" > operations_research::sat::NewSatParameters< / a > < / div > < div class = "ttdeci" > std::function< SatParameters(Model *)> NewSatParameters(const std::string & params)< / div > < div class = "ttdoc" > Creates parameters for the solver, which you can add to the model with.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__solver_8cc_source.html#l00783" > cp_model_solver.cc:783< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_a5316808a2d5007c3b489e844801385e5" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#a5316808a2d5007c3b489e844801385e5" > operations_research::sat::kMinIntegerValue< / a > < / div > < div class = "ttdeci" > constexpr IntegerValue kMinIntegerValue(-kMaxIntegerValue.value())< / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_aa9299de04255b99318446500127d79e1" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1" > operations_research::sat::SolveCpModel< / a > < / div > < div class = "ttdeci" > CpSolverResponse SolveCpModel(const CpModelProto & model_proto, Model *model)< / div > < div class = "ttdoc" > Solves the given CpModelProto.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__solver_8cc_source.html#l03055" > cp_model_solver.cc:3055< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_adf5729c9f2cd9c6c4897cd486978291a" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#adf5729c9f2cd9c6c4897cd486978291a" > operations_research::sat::AbslHashValue< / a > < / div > < div class = "ttdeci" > H AbslHashValue(H h, const LiteralWithCoeff & term)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pb__constraint_8h_source.html#l00064" > pb_constraint.h:64< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< 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_a082573f2b119f85031afcc6b9096b102" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a082573f2b119f85031afcc6b9096b102" > operations_research::SolveModelWithSat< / a > < / div > < div class = "ttdeci" > bool SolveModelWithSat(const RoutingModel & model, const RoutingSearchParameters & search_parameters, const Assignment *initial_solution, Assignment *solution)< / div > < div class = "ttdoc" > Attempts to solve the model using the cp-sat solver.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__sat_8cc_source.html#l01055" > routing_sat.cc:1055< / 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_a4a43d435871f16c321861fa5de32df82" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a4a43d435871f16c321861fa5de32df82" > operations_research::CapSub< / a > < / div > < div class = "ttdeci" > int64_t CapSub(int64_t x, int64_t y)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "saturated__arithmetic_8h_source.html#l00158" > saturated_arithmetic.h:158< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_a7deeae530369e107f9d91c1a189f451f" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a7deeae530369e107f9d91c1a189f451f" > operations_research::Arc< / a > < / div > < div class = "ttdeci" > std::pair< int64_t, int64_t > Arc< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "search_8cc_source.html#l03434" > search.cc:3434< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_ae161405d349af5d521fa0fd25c3b6f83" > < div class = "ttname" > < a href = "namespaceoperations__research.html#ae161405d349af5d521fa0fd25c3b6f83" > operations_research::operator==< / a > < / div > < div class = "ttdeci" > LinearRange operator==(const LinearExpr & lhs, const LinearExpr & rhs)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__expr_8cc_source.html#l00180" > linear_expr.cc:180< / a > < / div > < / div >
< div class = "ttc" id = "arouting_8h_html" > < div class = "ttname" > < a href = "routing_8h.html" > routing.h< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "arouting__filters_8cc_html_a4f1e8002734902ae1c65ccc3fc30c98e" > < div class = "ttname" > < a href = "routing__filters_8cc.html#a4f1e8002734902ae1c65ccc3fc30c98e" > bound< / a > < / div > < div class = "ttdeci" > int64_t bound< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__filters_8cc_source.html#l00968" > routing_filters.cc:968< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< 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__sat_8cc_html_a20358970b1abaf992eb85e071e454653" > < div class = "ttname" > < a href = "routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653" > head< / a > < / div > < div class = "ttdeci" > int head< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__sat_8cc_source.html#l00095" > routing_sat.cc:95< / a > < / div > < / div >
< div class = "ttc" id = "arouting__sat_8cc_html_aff39d864a6594bc5f4a5e365282e00fe" > < div class = "ttname" > < a href = "routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe" > tail< / a > < / div > < div class = "ttdeci" > int tail< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__sat_8cc_source.html#l00094" > routing_sat.cc:94< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "arouting__search_8cc_html_a1a01a2753d74fedd87264d8bd34a12df" > < div class = "ttname" > < a href = "routing__search_8cc.html#a1a01a2753d74fedd87264d8bd34a12df" > vehicle_class< / a > < / div > < div class = "ttdeci" > int vehicle_class< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__search_8cc_source.html#l03819" > routing_search.cc:3819< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "arouting__types_8h_html" > < div class = "ttname" > < a href = "routing__types_8h.html" > routing_types.h< / a > < / div > < / div >
< div class = "ttc" id = "asat_2model_8h_html" > < div class = "ttname" > < a href = "sat_2model_8h.html" > model.h< / a > < / div > < / div >
< div class = "ttc" id = "asaturated__arithmetic_8h_html" > < div class = "ttname" > < a href = "saturated__arithmetic_8h.html" > saturated_arithmetic.h< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "avariable__and__expressions_8cc_html_a2091cd7d80fdd31762020bce86138587" > < div class = "ttname" > < a href = "variable__and__expressions_8cc.html#a2091cd7d80fdd31762020bce86138587" > coeff< / a > < / div > < div class = "ttdeci" > const double coeff< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__and__expressions_8cc_source.html#l00105" > variable_and_expressions.cc:105< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< / 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_afbb39f66221aac28bbdefd1dca2b2b0.html" > constraint_solver< / a > < / li > < li class = "navelem" > < a class = "el" href = "routing__sat_8cc.html" > routing_sat.cc< / a > < / li >
< li class = "footer" > Generated by
< a href = "http://www.doxygen.org/index.html" >
2022-01-17 21:42:14 +01:00
< img class = "footer" src = "doxygen.png" alt = "doxygen" / > < / a > 1.9.3 < / li >
2020-09-02 09:42:51 +02:00
< / ul >
< / div >
< / body >
< / html >
