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<h2>C++ Reference</h2>
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<li><a href="../cpp_algorithms/annotated.html">Algorithms</a></li>
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<li><a href="../cpp_graph/annotated.html">Graph</a></li>
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<li><a href="../cpp_routing/annotated.html">Routing</a></li>
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<h1 style="color: #145A32;">C++ Reference: Routing</h1>
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<li class="navelem"><a class="el" href="namespaceoperations__research.html">operations_research</a></li><li class="navelem"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html">RoutingIndexManager</a></li> </ul>
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<a href="#pub-types">Public Types</a> |
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pub-static-attribs">Static Public Attributes</a> |
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<a href="classoperations__research_1_1RoutingIndexManager-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">RoutingIndexManager</div> </div>
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<div class="contents">
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Manager for any NodeIndex <-> variable index conversion. </p>
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<p>The routing solver uses variable indices internally and through its API. These variable indices are tricky to manage directly because one Node can correspond to a multitude of variables, depending on the number of times they appear in the model, and if they're used as start and/or end points. This class aims to simplify variable index usage, allowing users to use NodeIndex instead.</p>
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<p>Usage: </p><div class="fragment"><div class="line"><span class="keyword">auto</span> starts_ends = ...; </div>
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<div class="line"><a class="code" href="classoperations__research_1_1RoutingIndexManager.html#aa34d48cf57fc120d2a7307a4e7435dd3">RoutingIndexManager</a> manager(10, 4, starts_ends); <span class="comment">// 10 nodes, 4 vehicles.</span></div>
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<div class="line">RoutingModel model(manager);</div>
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</div><!-- fragment --><p>Then, use 'manager.NodeToIndex(node)' whenever model requires a variable index. </p>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00042">42</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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</div><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr class="memitem:aeb44c17e71161ec3a77d4a87e358c84b"><td class="memItemLeft" align="right" valign="top">typedef RoutingNodeIndex </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:aa34d48cf57fc120d2a7307a4e7435dd3"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aa34d48cf57fc120d2a7307a4e7435dd3">RoutingIndexManager</a> (int <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a90e3616a403cd3f26b9aae1ffe0ec76c">num_nodes</a>, int <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>, <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> depot)</td></tr>
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<tr class="memdesc:aa34d48cf57fc120d2a7307a4e7435dd3"><td class="mdescLeft"> </td><td class="mdescRight">Creates a NodeIndex to variable index mapping for a problem containing 'num_nodes', 'num_vehicles' and the given starts and ends for each vehicle. <a href="classoperations__research_1_1RoutingIndexManager.html#aa34d48cf57fc120d2a7307a4e7435dd3">More...</a><br /></td></tr>
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<tr class="memitem:ac1e7b72a0d7d744707cb161da806ee15"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#ac1e7b72a0d7d744707cb161da806ee15">RoutingIndexManager</a> (int <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a90e3616a403cd3f26b9aae1ffe0ec76c">num_nodes</a>, int <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>, const std::vector< <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> > &starts, const std::vector< <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> > &ends)</td></tr>
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<tr class="memitem:a817ac4c20b556e040d3bd8ffc1baf121"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a817ac4c20b556e040d3bd8ffc1baf121">RoutingIndexManager</a> (int <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a90e3616a403cd3f26b9aae1ffe0ec76c">num_nodes</a>, int <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a>, const std::vector< std::pair< <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a>, <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> > > &starts_ends)</td></tr>
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<tr class="memitem:a38922642aa2a1a2a39f8693d39a7a343"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a38922642aa2a1a2a39f8693d39a7a343">~RoutingIndexManager</a> ()</td></tr>
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<tr class="separator:a38922642aa2a1a2a39f8693d39a7a343"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a90e3616a403cd3f26b9aae1ffe0ec76c"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a90e3616a403cd3f26b9aae1ffe0ec76c">num_nodes</a> () const</td></tr>
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<tr class="memitem:ad422f8593b66956120c8a5b1959b2623"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#ad422f8593b66956120c8a5b1959b2623">num_vehicles</a> () const</td></tr>
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<tr class="memitem:ae7309bcc0f1a1e238ad7501f1b553ef2"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#ae7309bcc0f1a1e238ad7501f1b553ef2">num_indices</a> () const</td></tr>
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<tr class="memitem:afdff7b98df32a8859b0b69dc4c412803"><td class="memItemLeft" align="right" valign="top">int64 </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#afdff7b98df32a8859b0b69dc4c412803">GetStartIndex</a> (int vehicle) const</td></tr>
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<tr class="memitem:a43a3b21b32a5c173a34d9c3128554818"><td class="memItemLeft" align="right" valign="top">int64 </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a43a3b21b32a5c173a34d9c3128554818">GetEndIndex</a> (int vehicle) const</td></tr>
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<tr class="memitem:a97d573480c79074bf41c8344e54a7483"><td class="memItemLeft" align="right" valign="top">int64 </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a97d573480c79074bf41c8344e54a7483">NodeToIndex</a> (<a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> node) const</td></tr>
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<tr class="memitem:aa088a45823cc777ec2d5b056fb3017ff"><td class="memItemLeft" align="right" valign="top">std::vector< int64 > </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aa088a45823cc777ec2d5b056fb3017ff">NodesToIndices</a> (const std::vector< <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> > &nodes) const</td></tr>
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<tr class="memitem:ada73580fd3d3c404db3c437da0410ced"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#ada73580fd3d3c404db3c437da0410ced">IndexToNode</a> (int64 index) const</td></tr>
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<tr class="memitem:a77ea1e8bec366bf225bad6732c7eec63"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a77ea1e8bec366bf225bad6732c7eec63">num_unique_depots</a> () const</td></tr>
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<tr class="memdesc:a77ea1e8bec366bf225bad6732c7eec63"><td class="mdescLeft"> </td><td class="mdescRight">complete. <a href="classoperations__research_1_1RoutingIndexManager.html#a77ea1e8bec366bf225bad6732c7eec63">More...</a><br /></td></tr>
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<tr class="memitem:a3bb0169ed51340380c189a23a9416ee1"><td class="memItemLeft" align="right" valign="top">std::vector< <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a3bb0169ed51340380c189a23a9416ee1">GetIndexToNodeMap</a> () const</td></tr>
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<tr class="memitem:a3cb9b3dcecc7e040d592bc2e606dccd4"><td class="memItemLeft" align="right" valign="top">gtl::ITIVector< <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a>, int64 > </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a3cb9b3dcecc7e040d592bc2e606dccd4">GetNodeToIndexMap</a> () const</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
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Static Public Attributes</h2></td></tr>
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<tr class="memitem:a33b6c2ef668063ee2d9f9c30071b1b7e"><td class="memItemLeft" align="right" valign="top">static const int64 </td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#a33b6c2ef668063ee2d9f9c30071b1b7e">kUnassigned</a></td></tr>
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<h2 class="groupheader">Member Typedef Documentation</h2>
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<a id="aeb44c17e71161ec3a77d4a87e358c84b"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#aeb44c17e71161ec3a77d4a87e358c84b">◆ </a></span>NodeIndex</h2>
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<td class="memname">typedef RoutingNodeIndex <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a></td>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00044">44</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="aa34d48cf57fc120d2a7307a4e7435dd3"></a>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>num_nodes</em>, </td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>num_vehicles</em>, </td>
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<td class="paramtype"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> </td>
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<td class="paramname"><em>depot</em> </td>
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<p>Creates a NodeIndex to variable index mapping for a problem containing 'num_nodes', 'num_vehicles' and the given starts and ends for each vehicle. </p>
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<p>If used, any start/end arrays have to have exactly 'num_vehicles' elements. </p>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramtype">const std::vector< <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> > & </td>
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<td class="paramname"><em>starts</em>, </td>
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<td class="paramtype">const std::vector< <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> > & </td>
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<td class="paramname"><em>ends</em> </td>
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<td class="memname"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html">RoutingIndexManager</a> </td>
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<td class="paramtype">const std::vector< std::pair< <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a>, <a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> > > & </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a38922642aa2a1a2a39f8693d39a7a343">◆ </a></span>~RoutingIndexManager()</h2>
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<td class="memname">~<a class="el" href="classoperations__research_1_1RoutingIndexManager.html">RoutingIndexManager</a> </td>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00058">58</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a43a3b21b32a5c173a34d9c3128554818">◆ </a></span>GetEndIndex()</h2>
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<td class="memname">int64 GetEndIndex </td>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00064">64</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3bb0169ed51340380c189a23a9416ee1">◆ </a></span>GetIndexToNodeMap()</h2>
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<td class="memname">std::vector<<a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a>> GetIndexToNodeMap </td>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00079">79</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3cb9b3dcecc7e040d592bc2e606dccd4">◆ </a></span>GetNodeToIndexMap()</h2>
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<td class="memname">gtl::ITIVector<<a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a>, int64> GetNodeToIndexMap </td>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00080">80</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afdff7b98df32a8859b0b69dc4c412803">◆ </a></span>GetStartIndex()</h2>
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<td class="memname">int64 GetStartIndex </td>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00063">63</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ada73580fd3d3c404db3c437da0410ced">◆ </a></span>IndexToNode()</h2>
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<td class="memname"><a class="el" href="classoperations__research_1_1RoutingIndexManager.html#aeb44c17e71161ec3a77d4a87e358c84b">NodeIndex</a> IndexToNode </td>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00071">71</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00065">65</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae7309bcc0f1a1e238ad7501f1b553ef2">◆ </a></span>num_indices()</h2>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00062">62</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00060">60</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<p>complete. </p>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00078">78</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00061">61</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a33b6c2ef668063ee2d9f9c30071b1b7e">◆ </a></span>kUnassigned</h2>
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<p class="definition">Definition at line <a class="el" href="routing__index__manager_8h_source.html#l00045">45</a> of file <a class="el" href="routing__index__manager_8h_source.html">routing_index_manager.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<div class="ttc" id="aclassoperations__research_1_1RoutingIndexManager_html_aa34d48cf57fc120d2a7307a4e7435dd3"><div class="ttname"><a href="classoperations__research_1_1RoutingIndexManager.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>
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