669 lines
130 KiB
HTML
669 lines
130 KiB
HTML
<!-- HTML header for doxygen 1.8.18-->
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.9.1"/>
|
|
<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
|
|
 <span id="projectnumber">8.2</span>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.9.1 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
|
<div id="nav-tree">
|
|
<div id="nav-tree-contents">
|
|
<div id="nav-sync" class="sync"></div>
|
|
</div>
|
|
</div>
|
|
<div id="splitbar" style="-moz-user-select:none;"
|
|
class="ui-resizable-handle">
|
|
</div>
|
|
</div>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(document).ready(function(){initNavTree('routing__sat_8cc_source.html',''); initResizable(); });
|
|
/* @license-end */
|
|
</script>
|
|
<div id="doc-content">
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">routing_sat.cc</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="routing__sat_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
|
|
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
|
|
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
|
|
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
|
|
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="routing_8h.html">ortools/constraint_solver/routing.h</a>"</span></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="cp__model_8h.html">ortools/sat/cp_model.h</a>"</span></div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1sat.html"> 18</a></span> <span class="keyword">namespace </span>sat {</div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// As of 07/2019, TSPs and VRPs with homogeneous fleets of vehicles are</span></div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// supported.</span></div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// TODO(user): Support any type of constraints.</span></div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// TODO(user): Make VRPs properly support optional nodes.</span></div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keywordtype">bool</span> RoutingModelCanBeSolvedBySat(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_routing_model.html">RoutingModel</a>& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) {</div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">return</span> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.GetVehicleClassesCount() == 1;</div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> }</div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// Adds an integer variable to a CpModelProto, returning its index in the proto.</span></div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keywordtype">int</span> AddVariable(CpModelProto* cp_model, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> lb, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> ub) {</div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = cp_model->variables_size();</div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  IntegerVariableProto* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = cp_model->add_variables();</div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->add_domain(lb);</div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>->add_domain(ub);</div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">return</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> }</div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// Returns the unique depot node used in the CP-SAT models (as of 01/2020).</span></div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> GetDepotFromModel(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_routing_model.html">RoutingModel</a>& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>) { <span class="keywordflow">return</span> <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Start(0); }</div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// Structure to keep track of arcs created.</span></div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">struct </span><a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a> {</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe"> 43</a></span>  <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>;</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653"> 44</a></span>  <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>;</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">friend</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#ae161405d349af5d521fa0fd25c3b6f83">operator==</a>(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>, <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>) {</div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>.tail == <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>.tail && <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>.head == <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>.head;</div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  }</div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">friend</span> <span class="keywordtype">bool</span> <a class="code" href="namespacegtl.html#abced5b6b572672e47e9e294a8ebf25e5">operator!=</a>(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>, <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>) { <span class="keywordflow">return</span> !(<a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a> == <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>); }</div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator<(<span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>, <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>) {</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>.tail == <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>.tail ? <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>.head < <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>.head : <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>.tail < <a class="code" href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a>.tail;</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">friend</span> std::ostream& <a class="code" href="namespaceoperations__research_1_1sat.html#a15ca399ada8a279dc92f693ede7e4004">operator<<</a>(std::ostream& strm, <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& arc) {</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> strm << <span class="stringliteral">"{"</span> << arc.tail << <span class="stringliteral">", "</span> << arc.head << <span class="stringliteral">"}"</span>;</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> H></div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">friend</span> H AbslHashValue(H h, <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a>& <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>) {</div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> H::combine(std::move(h), <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>.tail, <a class="code" href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a>.head);</div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> };</div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</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 name="l00063"></a><span class="lineno"> 63</span>  </div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// Adds all dimensions to a CpModelProto. Only adds path cumul constraints and</span></div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// cumul bounds.</span></div>
|
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keywordtype">void</span> AddDimensions(<span class="keyword">const</span> RoutingModel& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> ArcVarMap& arc_vars,</div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  CpModelProto* cp_model) {</div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> RoutingDimension* dimension : <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.GetDimensions()) {</div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Only a single vehicle class.</span></div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_routing_model.html#a5fa8aee5b0c67072dbbb03f1899ec60a">RoutingModel::TransitCallback2</a>& transit =</div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  dimension->transit_evaluator(0);</div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  std::vector<int> cumuls(dimension->cumuls().size(), -1);</div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> min_start = dimension->cumuls()[<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Start(0)]->Min();</div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> max_end = <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(dimension->cumuls()[<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.End(0)]->Max(),</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  dimension->vehicle_capacities()[0]);</div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < cumuls.size(); ++i) {</div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(i) || <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(i)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Reducing bounds supposing the triangular inequality.</span></div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> cumul_min =</div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">sat::kMinIntegerValue</a>.<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>(),</div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(dimension->cumuls()[i]->Min(),</div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3">CapAdd</a>(transit(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Start(0), i), min_start)));</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> cumul_max =</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="namespaceoperations__research_1_1sat.html#a1227e67513602591fb959e35c9de66e8">sat::kMaxIntegerValue</a>.<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>(),</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(dimension->cumuls()[i]->Max(),</div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">CapSub</a>(max_end, transit(i, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.End(0)))));</div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  cumuls[i] = AddVariable(cp_model, cumul_min, cumul_max);</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</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 name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = arc_var.first.tail;</div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> = arc_var.first.head;</div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> == <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> || <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) || <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// arc[tail][head] -> cumuls[head] >= cumuls[tail] + transit.</span></div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// This is a relaxation of the model as it does not consider slack max.</span></div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  ConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints();</div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_enforcement_literal(arc_var.second);</div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  LinearConstraintProto* arg = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear();</div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  arg->add_domain(transit(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>, <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>));</div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  arg->add_domain(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>);</div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  arg->add_vars(cumuls[<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>]);</div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  arg->add_coeffs(-1);</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  arg->add_vars(cumuls[<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>]);</div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  arg->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> std::vector<int> CreateRanks(<span class="keyword">const</span> RoutingModel& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">const</span> ArcVarMap& arc_vars,</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  CpModelProto* cp_model) {</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> depot = GetDepotFromModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Size() + <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.vehicles();</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> rank_size = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Size() - <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.vehicles();</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  std::vector<int> ranks(size, -1);</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(i) || <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(i)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  ranks[i] = AddVariable(cp_model, 0, rank_size);</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  ranks[depot] = AddVariable(cp_model, 0, 0);</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</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 name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = arc_var.first.tail;</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> = arc_var.first.head;</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> == <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> || <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> == depot) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// arc[tail][head] -> ranks[head] == ranks[tail] + 1.</span></div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  ConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints();</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_enforcement_literal(arc_var.second);</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  LinearConstraintProto* arg = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear();</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  arg->add_domain(1);</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  arg->add_domain(1);</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  arg->add_vars(ranks[<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>]);</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  arg->add_coeffs(-1);</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  arg->add_vars(ranks[<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>]);</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  arg->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> ranks;</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// Vehicle variables do not actually represent the index of the vehicle</span></div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// performing a node, but we ensure that the values of two vehicle variables</span></div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</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 name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// vehicle.</span></div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> std::vector<int> CreateVehicleVars(<span class="keyword">const</span> RoutingModel& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> ArcVarMap& arc_vars,</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  CpModelProto* cp_model) {</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> depot = GetDepotFromModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Size() + <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.vehicles();</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  std::vector<int> vehicles(size, -1);</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < size; ++i) {</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(i) || <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(i)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  vehicles[i] = AddVariable(cp_model, 0, size - 1);</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</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 name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = arc_var.first.tail;</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> = arc_var.first.head;</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> == <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> || <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> == depot) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> == depot) {</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// arc[depot][head] -> vehicles[head] == head.</span></div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  ConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints();</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_enforcement_literal(arc_var.second);</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  LinearConstraintProto* arg = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear();</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  arg->add_domain(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>);</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  arg->add_domain(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>);</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  arg->add_vars(vehicles[<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>]);</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  arg->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// arc[tail][head] -> vehicles[head] == vehicles[tail].</span></div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  ConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints();</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_enforcement_literal(arc_var.second);</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  LinearConstraintProto* arg = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear();</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  arg->add_domain(0);</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  arg->add_domain(0);</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  arg->add_vars(vehicles[<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>]);</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  arg->add_coeffs(-1);</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  arg->add_vars(vehicles[<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>]);</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  arg->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> vehicles;</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> }</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keywordtype">void</span> AddPickupDeliveryConstraints(<span class="keyword">const</span> RoutingModel& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">const</span> ArcVarMap& arc_vars,</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  CpModelProto* cp_model) {</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.GetPickupAndDeliveryPairs().empty()) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> std::vector<int> ranks = CreateRanks(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, arc_vars, cp_model);</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">const</span> std::vector<int> vehicles =</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  CreateVehicleVars(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, arc_vars, cp_model);</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& pairs : <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.GetPickupAndDeliveryPairs()) {</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> pickup = pairs.first[0];</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> delivery = pairs.second[0];</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  {</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// ranks[pickup] + 1 <= ranks[delivery].</span></div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  ConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints();</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  LinearConstraintProto* arg = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear();</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  arg->add_domain(1);</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  arg->add_domain(<a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>);</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  arg->add_vars(ranks[delivery]);</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  arg->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  arg->add_vars(ranks[pickup]);</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  arg->add_coeffs(-1);</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  {</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// vehicles[pickup] == vehicles[delivery]</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  ConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints();</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  LinearConstraintProto* arg = <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->mutable_linear();</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  arg->add_domain(0);</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  arg->add_domain(0);</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  arg->add_vars(vehicles[delivery]);</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  arg->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  arg->add_vars(vehicles[pickup]);</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  arg->add_coeffs(-1);</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> }</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment">// Converts a RoutingModel to CpModelProto for models with multiple vehicles.</span></div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</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 name="l00218"></a><span class="lineno"> 218</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 name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// node of the first vehicle in the RoutingModel.</span></div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// The map between CPModelProto arcs and their corresponding arc variable is</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// returned.</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> ArcVarMap PopulateMultiRouteModelFromRoutingModel(<span class="keyword">const</span> RoutingModel& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  CpModelProto* cp_model) {</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  ArcVarMap arc_vars;</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_nodes = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Nexts().size();</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> depot = GetDepotFromModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// Create "arc" variables and set their cost.</span></div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = 0; <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> < num_nodes; ++<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) {</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> tail_index = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) ? depot : <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>;</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  std::unique_ptr<IntVarIterator> iter(</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.NextVar(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>)->MakeDomainIterator(<span class="keyword">false</span>));</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> : InitAndGetValues(iter.get())) {</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// Vehicle start and end nodes are represented as a single node in the</span></div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// CP-SAT model. We choose the start index of the first vehicle to</span></div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// represent both. We can also skip any head representing a vehicle start</span></div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="comment">// as the CP solver will reject those.</span></div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> head_index = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>) ? depot : <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>;</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (head_index == tail_index) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4">cost</a> = <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> != <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> ? <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.GetHomogeneousCost(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>, <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  : <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.UnperformedPenalty(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>);</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4">cost</a> == <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">const</span> <a class="code" href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">Arc</a> arc = {tail_index, head_index};</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a>(arc_vars, arc)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = AddVariable(cp_model, 0, 1);</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <a class="code" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&arc_vars, arc, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  cp_model->mutable_objective()->add_vars(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  cp_model->mutable_objective()->add_coeffs(<a class="code" href="routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4">cost</a>);</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// The following flow constraints seem to be necessary with the Route</span></div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// constraint, greatly improving performance due to stronger LP relaxation</span></div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// (supposedly).</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// TODO(user): Remove these constraints when the Route constraint handles</span></div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">// LP relaxations properly.</span></div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  {</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  LinearConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints()->mutable_linear();</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_domain(0);</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_domain(0);</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> node = 0; node < num_nodes; ++node) {</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(node) || <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(node)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">int</span>* <span class="keyword">const</span> depot_node_var = <a class="code" href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">gtl::FindOrNull</a>(arc_vars, {depot, node});</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">if</span> (depot_node_var == <span class="keyword">nullptr</span>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_vars(*depot_node_var);</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordtype">int</span>* <span class="keyword">const</span> node_depot_var = <a class="code" href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">gtl::FindOrNull</a>(arc_vars, {node, depot});</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (node_depot_var == <span class="keyword">nullptr</span>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_vars(*node_depot_var);</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_coeffs(-1);</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  {</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  LinearConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints()->mutable_linear();</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_domain(0);</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="comment">// Taking the min since as of 04/2020 fleet is homogeneous.</span></div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_domain(</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">std::min</a>(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.vehicles(), <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.GetMaximumNumberOfActiveVehicles()));</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> node = 0; node < num_nodes; ++node) {</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(node) || <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(node)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">int</span>* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">gtl::FindOrNull</a>(arc_vars, {depot, node});</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> == <span class="keyword">nullptr</span>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_vars(*<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  </div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = 0; <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> < num_nodes; ++<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) {</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) || <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  LinearConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints()->mutable_linear();</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_domain(1);</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_domain(1);</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  std::unique_ptr<IntVarIterator> iter(</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.NextVar(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>)->MakeDomainIterator(<span class="keyword">false</span>));</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">bool</span> depot_added = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> : InitAndGetValues(iter.get())) {</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> == <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)) {</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span> (depot_added) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> = depot;</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  depot_added = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordtype">int</span>* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">gtl::FindOrNull</a>(arc_vars, {<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>, <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>});</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> == <span class="keyword">nullptr</span>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_vars(*<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  </div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> = 0; <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> < num_nodes; ++<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>) {</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>) || <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  LinearConstraintProto* <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a> = cp_model->add_constraints()->mutable_linear();</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_domain(1);</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_domain(1);</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = 0; <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> < num_nodes; ++<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) {</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> == <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) && <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> != depot) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordtype">int</span>* <span class="keyword">const</span> <a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> = <a class="code" href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">gtl::FindOrNull</a>(arc_vars, {<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>, <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>});</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">if</span> (<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a> == <span class="keyword">nullptr</span>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_vars(*<a class="code" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>);</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <a class="code" href="demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695">ct</a>->add_coeffs(1);</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  </div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  AddPickupDeliveryConstraints(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, arc_vars, cp_model);</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  AddDimensions(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, arc_vars, cp_model);</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  </div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// Create Routes constraint, ensuring circuits from and to the depot.</span></div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</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 name="l00335"></a><span class="lineno"> 335</span>  <span class="comment">// TODO(user): Make Routes constraints support optional nodes.</span></div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  RoutesConstraintProto* routes_ct =</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  cp_model->add_constraints()->mutable_routes();</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</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 name="l00339"></a><span class="lineno"> 339</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = arc_var.first.tail;</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> = arc_var.first.head;</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  routes_ct->add_tails(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> == 0 ? depot : <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> == depot ? 0 : <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>);</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  routes_ct->add_heads(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> == 0 ? depot : <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> == depot ? 0 : <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>);</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  routes_ct->add_literals(arc_var.second);</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  }</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  </div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="comment">// Add demands and capacities to improve the LP relaxation and cuts. These are</span></div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="comment">// based on the first "unary" dimension in the model if it exists.</span></div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="comment">// TODO(user): We might want to try to get demand lower bounds from</span></div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">// non-unary dimensions if no unary exist.</span></div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keyword">const</span> RoutingDimension* master_dimension = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> RoutingDimension* dimension : <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.GetDimensions()) {</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="comment">// Only a single vehicle class is supported.</span></div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">if</span> (dimension->GetUnaryTransitEvaluator(0) != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  master_dimension = dimension;</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">if</span> (master_dimension != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_routing_model.html#a204041e5264282d54dfd198011e776d3">RoutingModel::TransitCallback1</a>& transit =</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  master_dimension->GetUnaryTransitEvaluator(0);</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> node = 0; node < num_nodes; ++node) {</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">// Tricky: demand is added for all nodes in the sat model; this means</span></div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">// start/end nodes other than the one used for the depot must be ignored.</span></div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">if</span> (!<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(node) && (!<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(node) || node == depot)) {</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  routes_ct->add_demands(transit(node));</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  }</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <a class="code" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(routes_ct->demands_size(), num_nodes + 1 - <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.vehicles());</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  routes_ct->set_capacity(master_dimension->vehicle_capacities()[0]);</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  }</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> arc_vars;</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> }</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment">// Converts a RoutingModel with a single vehicle to a CpModelProto.</span></div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment">// The mapping between CPModelProto arcs and their corresponding arc variables</span></div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="comment">// is returned.</span></div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> ArcVarMap PopulateSingleRouteModelFromRoutingModel(<span class="keyword">const</span> RoutingModel& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  CpModelProto* cp_model) {</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  ArcVarMap arc_vars;</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_nodes = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Nexts().size();</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  CircuitConstraintProto* circuit =</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  cp_model->add_constraints()->mutable_circuit();</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = 0; <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> < num_nodes; ++<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) {</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  std::unique_ptr<IntVarIterator> iter(</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.NextVar(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>)->MakeDomainIterator(<span class="keyword">false</span>));</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> : InitAndGetValues(iter.get())) {</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// Vehicle start and end nodes are represented as a single node in the</span></div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// CP-SAT model. We choose the start index to represent both. We can also</span></div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">// skip any head representing a vehicle start as the CP solver will reject</span></div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="comment">// those.</span></div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)) <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Start(0);</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">const</span> <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> <a class="code" href="routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4">cost</a> = <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> != <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> ? <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.GetHomogeneousCost(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>, <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>)</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  : <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.UnperformedPenalty(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>);</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4">cost</a> == <a class="code" href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = AddVariable(cp_model, 0, 1);</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  circuit->add_literals(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  circuit->add_tails(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>);</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  circuit->add_heads(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>);</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  cp_model->mutable_objective()->add_vars(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  cp_model->mutable_objective()->add_coeffs(<a class="code" href="routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4">cost</a>);</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <a class="code" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a>(&arc_vars, {<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>, <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>}, <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  AddPickupDeliveryConstraints(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, arc_vars, cp_model);</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  AddDimensions(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, arc_vars, cp_model);</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">return</span> arc_vars;</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> }</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  </div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment">// Converts a RoutingModel to a CpModelProto.</span></div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="comment">// The mapping between CPModelProto arcs and their corresponding arc variables</span></div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment">// is returned.</span></div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> ArcVarMap PopulateModelFromRoutingModel(<span class="keyword">const</span> RoutingModel& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  CpModelProto* cp_model) {</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.vehicles() == 1) {</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> PopulateSingleRouteModelFromRoutingModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, cp_model);</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> PopulateMultiRouteModelFromRoutingModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, cp_model);</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> }</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  </div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="comment">// Converts a CpSolverResponse to an Assignment containing next variables.</span></div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="keywordtype">bool</span> ConvertToSolution(<span class="keyword">const</span> CpSolverResponse& <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>,</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keyword">const</span> RoutingModel& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, <span class="keyword">const</span> ArcVarMap& arc_vars,</div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  Assignment* solution) {</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status() != <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">CpSolverStatus::OPTIMAL</a> &&</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.status() != <a class="code" href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">CpSolverStatus::FEASIBLE</a>)</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> depot = GetDepotFromModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordtype">int</span> vehicle = 0;</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</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 name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">if</span> (<a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>.solution(arc_var.second) != 0) {</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = arc_var.first.tail;</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> = arc_var.first.head;</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> == depot) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">if</span> (<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> != depot) {</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  solution->Add(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.NextVar(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>))->SetValue(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>);</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  solution->Add(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.NextVar(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Start(vehicle)))->SetValue(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>);</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  ++vehicle;</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  }</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">// Close open routes.</span></div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v < <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.vehicles(); ++v) {</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordtype">int</span> current = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Start(v);</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">while</span> (solution->Contains(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.NextVar(current))) {</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  current = solution->Value(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.NextVar(current));</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  }</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  solution->Add(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.NextVar(current))->SetValue(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.End(v));</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  }</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> }</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  </div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="keywordtype">void</span> AddSolutionAsHintToModel(<span class="keyword">const</span> Assignment* solution,</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keyword">const</span> RoutingModel& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keyword">const</span> ArcVarMap& arc_vars,</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  CpModelProto* cp_model) {</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">if</span> (solution == <span class="keyword">nullptr</span>) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  PartialVariableAssignment* <span class="keyword">const</span> hint = cp_model->mutable_solution_hint();</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  hint->Clear();</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> depot = GetDepotFromModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> num_nodes = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Nexts().size();</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> = 0; <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a> < num_nodes; ++<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) {</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> tail_index = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsStart(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>) ? depot : <a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>;</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a> = solution->Value(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.NextVar(<a class="code" href="routing__sat_8cc.html#aff39d864a6594bc5f4a5e365282e00fe">tail</a>));</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> head_index = <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.IsEnd(<a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>) ? depot : <a class="code" href="routing__sat_8cc.html#a20358970b1abaf992eb85e071e454653">head</a>;</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> (tail_index == depot && head_index == depot) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keyword">const</span> <span class="keywordtype">int</span>* <span class="keyword">const</span> var_index =</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <a class="code" href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">gtl::FindOrNull</a>(arc_vars, {tail_index, head_index});</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="comment">// Arcs with a cost of kint64max are not added to the model (considered as</span></div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="comment">// infeasible). In some rare cases CP solutions might contain such arcs in</span></div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="comment">// which case they are skipped here and a partial solution is used as a</span></div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="comment">// hint.</span></div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">if</span> (var_index == <span class="keyword">nullptr</span>) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  hint->add_vars(*var_index);</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  hint->add_values(1);</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  }</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> }</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  </div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="comment">// Configures a CP-SAT solver and solves the given (routing) model using it.</span></div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="comment">// Returns the response of the search.</span></div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> CpSolverResponse SolveRoutingModel(</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keyword">const</span> CpModelProto& cp_model, absl::Duration remaining_time,</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keyword">const</span> std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> CpSolverResponse& <a class="code" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>)>& observer) {</div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="comment">// TODO(user): Add CP-SAT parameters to routing parameters.</span></div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  SatParameters <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>;</div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.set_linearization_level(2);</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.set_max_time_in_seconds(absl::ToDoubleSeconds(remaining_time));</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>.set_num_search_workers(1);</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  Model <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>;</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a1684fe34484d78336d3cdac55ec6de57">NewSatParameters</a>(<a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>));</div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">if</span> (observer != <span class="keyword">nullptr</span>) {</div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.Add(<a class="code" href="namespaceoperations__research_1_1sat.html#a0a9777d760241f28010442a2c01f45e0">NewFeasibleSolutionObserver</a>(observer));</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  }</div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</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 name="l00496"></a><span class="lineno"> 496</span>  <span class="comment">// cp_model_dump_file flag in cp_model_solver.cc is good enough.</span></div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research_1_1sat.html#aa9299de04255b99318446500127d79e1">SolveCpModel</a>(cp_model, &<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> }</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  </div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> } <span class="comment">// namespace sat</span></div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  </div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="comment">// Solves a RoutingModel using the CP-SAT solver. Returns false if no solution</span></div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="comment">// was found.</span></div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a082573f2b119f85031afcc6b9096b102"> 505</a></span> <span class="keywordtype">bool</span> <a class="code" href="namespaceoperations__research.html#a082573f2b119f85031afcc6b9096b102">SolveModelWithSat</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_routing_model.html">RoutingModel</a>& <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keyword">const</span> RoutingSearchParameters& search_parameters,</div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_assignment.html">Assignment</a>* initial_solution,</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <a class="code" href="classoperations__research_1_1_assignment.html">Assignment</a>* solution) {</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">if</span> (!sat::RoutingModelCanBeSolvedBySat(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  sat::CpModelProto cp_model;</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  cp_model.mutable_objective()->set_scaling_factor(</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  search_parameters.log_cost_scaling_factor());</div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  cp_model.mutable_objective()->set_offset(search_parameters.log_cost_offset());</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keyword">const</span> sat::ArcVarMap arc_vars =</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  sat::PopulateModelFromRoutingModel(<a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, &cp_model);</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  sat::AddSolutionAsHintToModel(initial_solution, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>, arc_vars, &cp_model);</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">return</span> sat::ConvertToSolution(</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  sat::SolveRoutingModel(cp_model, <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>.RemainingTime(), <span class="keyword">nullptr</span>), <a class="code" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>,</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  arc_vars, solution);</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> }</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  </div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> } <span class="comment">// namespace operations_research</span></div>
|
|
<div class="ttc" id="aalldiff__cst_8cc_html_a021e695f54a13bd809c34b2f4ca87c37"><div class="ttname"><a href="alldiff__cst_8cc.html#a021e695f54a13bd809c34b2f4ca87c37">min</a></div><div class="ttdeci">int64 min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00138">alldiff_cst.cc:138</a></div></div>
|
|
<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</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_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#l00885">base/logging.h:885</a></div></div>
|
|
<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#l05038">constraint_solver.h:5038</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#l00213">routing.h:213</a></div></div>
|
|
<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#l00242">routing.h:242</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#l00243">routing.h:243</a></div></div>
|
|
<div class="ttc" id="aconstraint__solver_2table_8cc_html_a344010e26426d6a13411648d988bc9b6"><div class="ttname"><a href="constraint__solver_2table_8cc.html#a344010e26426d6a13411648d988bc9b6">b</a></div><div class="ttdeci">int64 b</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00043">constraint_solver/table.cc:43</a></div></div>
|
|
<div class="ttc" id="aconstraint__solver_2table_8cc_html_af730895c6c6ef6e03caaf6251192dfd2"><div class="ttname"><a href="constraint__solver_2table_8cc.html#af730895c6c6ef6e03caaf6251192dfd2">a</a></div><div class="ttdeci">int64 a</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_2table_8cc_source.html#l00042">constraint_solver/table.cc:42</a></div></div>
|
|
<div class="ttc" id="acp__model_8h_html"><div class="ttname"><a href="cp__model_8h.html">cp_model.h</a></div><div class="ttdoc">This file implements a wrapper around the CP-SAT model proto.</div></div>
|
|
<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00108">cp_model_fz_solver.cc:108</a></div></div>
|
|
<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#l02118">cp_model_solver.cc:2118</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#l00042">demon_profiler.cc:42</a></div></div>
|
|
<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
|
|
<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01858">expr_array.cc:1858</a></div></div>
|
|
<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#l00272">gurobi_interface.cc:272</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_a74ea76ea27f48fb1b6e148e1577b3719"><div class="ttname"><a href="integral__types_8h.html#a74ea76ea27f48fb1b6e148e1577b3719">kint64max</a></div><div class="ttdeci">static const int64 kint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00053">integral_types.h:53</a></div></div>
|
|
<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</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#l00135">map_util.h:135</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#l00170">map_util.h:170</a></div></div>
|
|
<div class="ttc" id="anamespacegtl_html_ab9e05694d7776f2eef357feca8b9d647"><div class="ttname"><a href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">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#l00041">map_util.h:41</a></div></div>
|
|
<div class="ttc" id="anamespacegtl_html_abced5b6b572672e47e9e294a8ebf25e5"><div class="ttname"><a href="namespacegtl.html#abced5b6b572672e47e9e294a8ebf25e5">gtl::operator!=</a></div><div class="ttdeci">bool operator!=(const STLCountingAllocator< T, A > &a, const STLCountingAllocator< T, A > &b)</div><div class="ttdef"><b>Definition:</b> <a href="stl__util_8h_source.html#l00985">stl_util.h:985</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#l00913">cp_model_solver.cc:913</a></div></div>
|
|
<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>
|
|
<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#l00065">cp_model.cc:65</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#l00922">cp_model_solver.cc:922</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a355a62f25cfadeccfb164ab9fb867c81"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a355a62f25cfadeccfb164ab9fb867c81">operations_research::sat::kMinIntegerValue</a></div><div class="ttdeci">constexpr IntegerValue kMinIntegerValue(-kMaxIntegerValue)</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#l02887">cp_model_solver.cc:2887</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a03f919221217f95d21a593a7120165e1">operations_research::sat::FEASIBLE</a></div><div class="ttdeci">@ FEASIBLE</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00237">cp_model.pb.h:237</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#aedc4ddb96acc28481c09828d2e016815a2579881e7c83261bc21bafb5a5c92cad">operations_research::sat::OPTIMAL</a></div><div class="ttdeci">@ OPTIMAL</div><div class="ttdef"><b>Definition:</b> <a href="cp__model_8pb_8h_source.html#l00239">cp_model.pb.h:239</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
|
|
<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#l00505">routing_sat.cc:505</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_html_a228fe84d99348c2b62bb4f70a6371d9b"><div class="ttname"><a href="namespaceoperations__research.html#a228fe84d99348c2b62bb4f70a6371d9b">operations_research::CapSub</a></div><div class="ttdeci">int64 CapSub(int64 x, int64 y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00154">saturated_arithmetic.h:154</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_html_a6894cc7d30a41a5e750f40a7f4751c01"><div class="ttname"><a href="namespaceoperations__research.html#a6894cc7d30a41a5e750f40a7f4751c01">operations_research::Arc</a></div><div class="ttdeci">std::pair< int64, int64 > Arc</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03361">search.cc:3361</a></div></div>
|
|
<div class="ttc" id="anamespaceoperations__research_html_a99264812cf177270e521f226a5c012c3"><div class="ttname"><a href="namespaceoperations__research.html#a99264812cf177270e521f226a5c012c3">operations_research::CapAdd</a></div><div class="ttdeci">int64 CapAdd(int64 x, int64 y)</div><div class="ttdef"><b>Definition:</b> <a href="saturated__arithmetic_8h_source.html#l00124">saturated_arithmetic.h:124</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="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00508">pack.cc:508</a></div></div>
|
|
<div class="ttc" id="arouting_8h_html"><div class="ttname"><a href="routing_8h.html">routing.h</a></div></div>
|
|
<div class="ttc" id="arouting__flow_8cc_html_a26a8cbbc7bcf4117c2bf65104b4a54b4"><div class="ttname"><a href="routing__flow_8cc.html#a26a8cbbc7bcf4117c2bf65104b4a54b4">cost</a></div><div class="ttdeci">int64 cost</div><div class="ttdef"><b>Definition:</b> <a href="routing__flow_8cc_source.html#l00130">routing_flow.cc:130</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#l00044">routing_sat.cc:44</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#l00043">routing_sat.cc:43</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
|
|
<!-- HTML footer for doxygen 1.8.18-->
|
|
<!-- start footer part -->
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_a7cc1eeded8f693d0da6c729bc88c45a.html">ortools</a></li><li class="navelem"><a class="el" href="dir_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">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.9.1 </li>
|
|
</ul>
|
|
</div>
|
|
</body>
|
|
</html>
|