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<a href="routing__index__manager_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &quot;<a class="code" href="routing__index__manager_8h.html">ortools/constraint_solver/routing_index_manager.h</a>&quot;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;cstdint&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &quot;absl/container/flat_hash_set.h&quot;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &quot;<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>&quot;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &quot;<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keyword">const</span> int64_t <a class="code hl_variable" href="classoperations__research_1_1_routing_index_manager.html#a614ebbd7235c20ebef65b127077aa268">RoutingIndexManager::kUnassigned</a> = -1;</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_routing_index_manager.html#aa34d48cf57fc120d2a7307a4e7435dd3"> 27</a></span><a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#aa34d48cf57fc120d2a7307a4e7435dd3">RoutingIndexManager::RoutingIndexManager</a>(<span class="keywordtype">int</span> num_nodes, <span class="keywordtype">int</span> num_vehicles,</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <a class="code hl_typedef" href="classoperations__research_1_1_routing_index_manager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> depot)</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> : <a class="code hl_class" href="classoperations__research_1_1_routing_index_manager.html">RoutingIndexManager</a>(num_nodes, num_vehicles,</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector&lt;<a class="code hl_namespace" href="namespacestd.html">std</a>::pair&lt;<a class="code hl_typedef" href="classoperations__research_1_1_routing_index_manager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a>, <a class="code hl_typedef" href="classoperations__research_1_1_routing_index_manager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a>&gt;&gt;(</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> num_vehicles, {depot, depot})) {}</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_routing_index_manager.html#ac1e7b72a0d7d744707cb161da806ee15"> 33</a></span><a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#aa34d48cf57fc120d2a7307a4e7435dd3">RoutingIndexManager::RoutingIndexManager</a>(<span class="keywordtype">int</span> num_nodes, <span class="keywordtype">int</span> num_vehicles,</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">const</span> std::vector&lt;NodeIndex&gt;&amp; starts,</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">const</span> std::vector&lt;NodeIndex&gt;&amp; ends) {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(starts.size(), <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>);</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(ends.size(), <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>);</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> std::vector&lt;std::pair&lt;NodeIndex, NodeIndex&gt;&gt; starts_ends(<a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>);</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> v = 0; v &lt; <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>; ++v) {</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> starts_ends[v] = {starts[v], ends[v]};</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> }</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> Initialize(<a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#a90e3616a403cd3f26b9aae1ffe0ec76c">num_nodes</a>, <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>, starts_ends);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>}</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_routing_index_manager.html#a817ac4c20b556e040d3bd8ffc1baf121"> 45</a></span><a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#aa34d48cf57fc120d2a7307a4e7435dd3">RoutingIndexManager::RoutingIndexManager</a>(</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordtype">int</span> num_nodes, <span class="keywordtype">int</span> num_vehicles,</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">const</span> std::vector&lt;std::pair&lt;NodeIndex, NodeIndex&gt;&gt;&amp; starts_ends) {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> Initialize(<a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#a90e3616a403cd3f26b9aae1ffe0ec76c">num_nodes</a>, <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>, starts_ends);</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>}</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="keywordtype">void</span> RoutingIndexManager::Initialize(</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">int</span> num_nodes, <span class="keywordtype">int</span> num_vehicles,</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">const</span> std::vector&lt;std::pair&lt;NodeIndex, NodeIndex&gt;&gt;&amp; starts_ends) {</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc">NodeIndex</a> kZeroNode(0);</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> num_nodes_ = <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#a90e3616a403cd3f26b9aae1ffe0ec76c">num_nodes</a>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> num_vehicles_ = <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(num_vehicles_, starts_ends.size());</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> absl::flat_hash_set&lt;NodeIndex&gt; starts;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> absl::flat_hash_set&lt;NodeIndex&gt; ends;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> absl::flat_hash_set&lt;NodeIndex&gt; unique_depots;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> std::pair&lt;NodeIndex, NodeIndex&gt;&amp; start_end : starts_ends) {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc">NodeIndex</a> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a> = start_end.first;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc">NodeIndex</a> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a> = start_end.second;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_define" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, 0);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_define" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>, 0);</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_define" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>, num_nodes_);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <a class="code hl_define" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>, num_nodes_);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> starts.insert(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> ends.insert(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>);</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> unique_depots.insert(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>);</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> unique_depots.insert(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>);</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> num_unique_depots_ = unique_depots.size();</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size = num_nodes_ + num_vehicles_ - num_unique_depots_;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> index_to_node_.resize(size + num_vehicles_);</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> node_to_index_.<a class="code hl_function" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(num_nodes_, <a class="code hl_variable" href="classoperations__research_1_1_routing_index_manager.html#a614ebbd7235c20ebef65b127077aa268">kUnassigned</a>);</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> vehicle_to_start_.resize(num_vehicles_);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> vehicle_to_end_.resize(num_vehicles_);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> int64_t <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = 0;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">for</span> (<a class="code hl_typedef" href="classoperations__research_1_1_routing_index_manager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> i = kZeroNode; i &lt; num_nodes_; ++i) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (starts.contains(i) || !ends.contains(i)) {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> index_to_node_[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] = i;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> node_to_index_[i] = <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> ++<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> }</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> absl::flat_hash_set&lt;NodeIndex&gt; seen_starts;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_vehicles_; ++i) {</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">const</span> <a class="code hl_typedef" href="classoperations__research_1_1_routing_index_manager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a> = starts_ends[i].first;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">if</span> (!seen_starts.contains(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>)) {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> seen_starts.insert(<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>);</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">const</span> int64_t start_index = node_to_index_[<a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>];</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> vehicle_to_start_[i] = start_index;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(<a class="code hl_variable" href="classoperations__research_1_1_routing_index_manager.html#a614ebbd7235c20ebef65b127077aa268">kUnassigned</a>, start_index);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> vehicle_to_start_[i] = <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> index_to_node_[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] = <a class="code hl_variable" href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a>;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> ++<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> }</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_vehicles_; ++i) {</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_typedef" href="classoperations__research_1_1_routing_index_manager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> <a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a> = starts_ends[i].second;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> index_to_node_[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>] = <a class="code hl_variable" href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a>;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> vehicle_to_end_[i] = <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_define" href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a>(size, <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> ++<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>;</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> }</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// Logging model information.</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) &lt;&lt; <span class="stringliteral">&quot;Number of nodes: &quot;</span> &lt;&lt; num_nodes_;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(1) &lt;&lt; <span class="stringliteral">&quot;Number of vehicles: &quot;</span> &lt;&lt; num_vehicles_;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">for</span> (int64_t <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = 0; <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> &lt; index_to_node_.size(); ++<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) &lt;&lt; <span class="stringliteral">&quot;Variable index &quot;</span> &lt;&lt; <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> &lt;&lt; <span class="stringliteral">&quot; -&gt; Node index &quot;</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> &lt;&lt; index_to_node_[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> }</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">for</span> (<a class="code hl_typedef" href="classoperations__research_1_1_routing_index_manager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> node = kZeroNode; node &lt; node_to_index_.<a class="code hl_function" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>(); ++node) {</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) &lt;&lt; <span class="stringliteral">&quot;Node index &quot;</span> &lt;&lt; node &lt;&lt; <span class="stringliteral">&quot; -&gt; Variable index &quot;</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> &lt;&lt; node_to_index_[node];</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span>}</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_routing_index_manager.html#a90a89eedda2575e6c9f1aea2294a1024"> 124</a></span>std::vector&lt;int64_t&gt; <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#a90a89eedda2575e6c9f1aea2294a1024">RoutingIndexManager::NodesToIndices</a>(</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">const</span> std::vector&lt;NodeIndex&gt;&amp; <a class="code hl_variable" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> std::vector&lt;int64_t&gt; indices;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> indices.reserve(<a class="code hl_variable" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>.size());</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code hl_typedef" href="classoperations__research_1_1_routing_index_manager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> node : <a class="code hl_variable" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>) {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">const</span> int64_t <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#ac668c6a556f23e8f2ab92616c7594e4b">NodeToIndex</a>(node);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(<a class="code hl_variable" href="classoperations__research_1_1_routing_index_manager.html#a614ebbd7235c20ebef65b127077aa268">kUnassigned</a>, <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> indices.push_back(<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">return</span> indices;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span>}</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_routing_index_manager.html#a098d24118899f41fc548355cf71f45e2"> 136</a></span>std::vector&lt;RoutingIndexManager::NodeIndex&gt; <a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#a098d24118899f41fc548355cf71f45e2">RoutingIndexManager::IndicesToNodes</a>(</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">const</span> std::vector&lt;int64_t&gt;&amp; indices)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> std::vector&lt;NodeIndex&gt; <a class="code hl_variable" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>;</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <a class="code hl_variable" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>.reserve(indices.size());</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> : indices) {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <a class="code hl_variable" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>.push_back(<a class="code hl_function" href="classoperations__research_1_1_routing_index_manager.html#aaa5a86f47526bbf08a77756d5b542d48">IndexToNode</a>(<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>));</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> }</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a>;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span>}</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span>} <span class="comment">// namespace operations_research</span></div>
<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00703">base/logging.h:703</a></div></div>
<div class="ttc" id="abase_2logging_8h_html_a7cc25402ecd7591b4c39934dd656b1f9"><div class="ttname"><a href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a></div><div class="ttdeci">#define CHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00707">base/logging.h:707</a></div></div>
<div class="ttc" id="abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb"><div class="ttname"><a href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a></div><div class="ttdeci">#define CHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00704">base/logging.h:704</a></div></div>
<div class="ttc" id="abase_2logging_8h_html_ae4db23f10f5d4aad6d735f5a74cd6f8c"><div class="ttname"><a href="base_2logging_8h.html#ae4db23f10f5d4aad6d735f5a74cd6f8c">CHECK_LE</a></div><div class="ttdeci">#define CHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00705">base/logging.h:705</a></div></div>
<div class="ttc" id="abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00984">base/logging.h:984</a></div></div>
<div class="ttc" id="aclassabsl_1_1_strong_vector_html_a4e3670a285a3642eaa07f66766cffa72"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">absl::StrongVector::resize</a></div><div class="ttdeci">void resize(size_type new_size)</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00150">strong_vector.h:150</a></div></div>
<div class="ttc" id="aclassabsl_1_1_strong_vector_html_a60304b65bf89363bcc3165d3cde67f86"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">absl::StrongVector::size</a></div><div class="ttdeci">size_type size() const</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00147">strong_vector.h:147</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html">operations_research::RoutingIndexManager</a></div><div class="ttdoc">Manager for any NodeIndex &lt;-&gt; variable index conversion.</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8h_source.html#l00049">routing_index_manager.h:49</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html_a098d24118899f41fc548355cf71f45e2"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html#a098d24118899f41fc548355cf71f45e2">operations_research::RoutingIndexManager::IndicesToNodes</a></div><div class="ttdeci">std::vector&lt; NodeIndex &gt; IndicesToNodes(const std::vector&lt; int64_t &gt; &amp;indices) const</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8cc_source.html#l00136">routing_index_manager.cc:136</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html_a614ebbd7235c20ebef65b127077aa268"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html#a614ebbd7235c20ebef65b127077aa268">operations_research::RoutingIndexManager::kUnassigned</a></div><div class="ttdeci">static const int64_t kUnassigned</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8h_source.html#l00052">routing_index_manager.h:52</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html_a90a89eedda2575e6c9f1aea2294a1024"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html#a90a89eedda2575e6c9f1aea2294a1024">operations_research::RoutingIndexManager::NodesToIndices</a></div><div class="ttdeci">std::vector&lt; int64_t &gt; NodesToIndices(const std::vector&lt; NodeIndex &gt; &amp;nodes) const</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8cc_source.html#l00124">routing_index_manager.cc:124</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html_a90e3616a403cd3f26b9aae1ffe0ec76c"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html#a90e3616a403cd3f26b9aae1ffe0ec76c">operations_research::RoutingIndexManager::num_nodes</a></div><div class="ttdeci">int num_nodes() const</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8h_source.html#l00068">routing_index_manager.h:68</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html_aa34d48cf57fc120d2a7307a4e7435dd3"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html#aa34d48cf57fc120d2a7307a4e7435dd3">operations_research::RoutingIndexManager::RoutingIndexManager</a></div><div class="ttdeci">RoutingIndexManager(int num_nodes, int num_vehicles, NodeIndex depot)</div><div class="ttdoc">Creates a NodeIndex to variable index mapping for a problem containing 'num_nodes',...</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8cc_source.html#l00027">routing_index_manager.cc:27</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html_aaa5a86f47526bbf08a77756d5b542d48"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html#aaa5a86f47526bbf08a77756d5b542d48">operations_research::RoutingIndexManager::IndexToNode</a></div><div class="ttdeci">NodeIndex IndexToNode(int64_t index) const</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8h_source.html#l00092">routing_index_manager.h:92</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html_ac668c6a556f23e8f2ab92616c7594e4b"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html#ac668c6a556f23e8f2ab92616c7594e4b">operations_research::RoutingIndexManager::NodeToIndex</a></div><div class="ttdeci">int64_t NodeToIndex(NodeIndex node) const</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8h_source.html#l00082">routing_index_manager.h:82</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html_ad422f8593b66956120c8a5b1959b2623"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html#ad422f8593b66956120c8a5b1959b2623">operations_research::RoutingIndexManager::num_vehicles</a></div><div class="ttdeci">int num_vehicles() const</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8h_source.html#l00070">routing_index_manager.h:70</a></div></div>
<div class="ttc" id="aclassoperations__research_1_1_routing_index_manager_html_aeb44c17e71161ec3a77d4a87e358c84b"><div class="ttname"><a href="classoperations__research_1_1_routing_index_manager.html#aeb44c17e71161ec3a77d4a87e358c84b">operations_research::RoutingIndexManager::NodeIndex</a></div><div class="ttdeci">RoutingNodeIndex NodeIndex</div><div class="ttdef"><b>Definition:</b> <a href="routing__index__manager_8h_source.html#l00051">routing_index_manager.h:51</a></div></div>
<div class="ttc" id="alocal__search_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="local__search_8cc_source.html#l02750">local_search.cc:2750</a></div></div>
<div class="ttc" id="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
<div class="ttc" id="anamespaceoperations__research_html_a7ae31ba4c3b4899478e53ca13df35dfc"><div class="ttname"><a href="namespaceoperations__research.html#a7ae31ba4c3b4899478e53ca13df35dfc">operations_research::NodeIndex</a></div><div class="ttdeci">int32_t NodeIndex</div><div class="ttdef"><b>Definition:</b> <a href="ebert__graph_8h_source.html#l00201">ebert_graph.h:193</a></div></div>
<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
<div class="ttc" id="arouting__index__manager_8h_html"><div class="ttname"><a href="routing__index__manager_8h.html">routing_index_manager.h</a></div></div>
<div class="ttc" id="arouting__search_8cc_html_a6b7983ccd32c86cbbc3d4d9cda4cac17"><div class="ttname"><a href="routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17">nodes</a></div><div class="ttdeci">int nodes</div><div class="ttdef"><b>Definition:</b> <a href="routing__search_8cc_source.html#l03997">routing_search.cc:3997</a></div></div>
<div class="ttc" id="asparse__submatrix_8cc_html_a4d53eac2ef2732c28fa9fb663e0c19a7"><div class="ttname"><a href="sparse__submatrix_8cc.html#a4d53eac2ef2732c28fa9fb663e0c19a7">end</a></div><div class="ttdeci">std::optional&lt; int64_t &gt; end</div><div class="ttdef"><b>Definition:</b> <a href="sparse__submatrix_8cc_source.html#l00036">sparse_submatrix.cc:36</a></div></div>
<div class="ttc" id="asparse__submatrix_8cc_html_a9b7656b922ea4ec96097d7380c0e61fe"><div class="ttname"><a href="sparse__submatrix_8cc.html#a9b7656b922ea4ec96097d7380c0e61fe">start</a></div><div class="ttdeci">int64_t start</div><div class="ttdef"><b>Definition:</b> <a href="sparse__submatrix_8cc_source.html#l00035">sparse_submatrix.cc:35</a></div></div>
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