179 lines
18 KiB
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179 lines
18 KiB
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<div class="title">util.h File Reference</div> </div>
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<div class="textblock"><code>#include <algorithm></code><br />
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<code>#include <map></code><br />
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<code>#include <memory></code><br />
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<code>#include <set></code><br />
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<code>#include <string></code><br />
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<code>#include <unordered_map></code><br />
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<code>#include <vector></code><br />
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<code>#include "ortools/base/hash.h"</code><br />
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<code>#include "ortools/base/map_util.h"</code><br />
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<code>#include "<a class="el" href="connected__components_8h_source.html">ortools/graph/connected_components.h</a>"</code><br />
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<code>#include "<a class="el" href="graph_8h_source.html">ortools/graph/graph.h</a>"</code><br />
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<code>#include "<a class="el" href="iterators_8h_source.html">ortools/graph/iterators.h</a>"</code><br />
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Include dependency graph for util.h:</div>
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<p><a href="util_8h_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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Classes</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classutil_1_1UndirectedAdjacencyListsOfDirectedGraph.html">util::UndirectedAdjacencyListsOfDirectedGraph< Graph ></a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This can be used to view a directed graph (that supports reverse arcs) from <a class="el" href="graph_8h.html">graph.h</a> as un undirected graph: operator[](node) returns a pseudo-container that iterates over all nodes adjacent to "node" (from outgoing or incoming arcs). <a href="classutil_1_1UndirectedAdjacencyListsOfDirectedGraph.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classutil_1_1UndirectedAdjacencyListsOfDirectedGraph_1_1AdjacencyListIterator.html">util::UndirectedAdjacencyListsOfDirectedGraph< Graph >::AdjacencyListIterator</a></td></tr>
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Namespaces</h2></td></tr>
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<tr class="memdesc:namespaceutil"><td class="mdescLeft"> </td><td class="mdescRight">Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. <br /></td></tr>
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Functions</h2></td></tr>
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<tr class="memitem:ac4af76993c891ee4ad507783edec2a1c"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:ac4af76993c891ee4ad507783edec2a1c"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#ac4af76993c891ee4ad507783edec2a1c">util::GraphHasSelfArcs</a> (const Graph &graph)</td></tr>
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<tr class="memdesc:ac4af76993c891ee4ad507783edec2a1c"><td class="mdescLeft"> </td><td class="mdescRight">Here's a set of simple diagnosis tools. <a href="namespaceutil.html#ac4af76993c891ee4ad507783edec2a1c">More...</a><br /></td></tr>
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<tr class="separator:ac4af76993c891ee4ad507783edec2a1c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6b37593970a26f5c88b3d2ea9acea9d2"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:a6b37593970a26f5c88b3d2ea9acea9d2"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#a6b37593970a26f5c88b3d2ea9acea9d2">util::GraphHasDuplicateArcs</a> (const Graph &graph)</td></tr>
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<tr class="separator:a6b37593970a26f5c88b3d2ea9acea9d2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a784b483eeae1b49164a8a02fe9c0d3ba"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:a784b483eeae1b49164a8a02fe9c0d3ba"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#a784b483eeae1b49164a8a02fe9c0d3ba">util::GraphIsSymmetric</a> (const Graph &graph)</td></tr>
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<tr class="separator:a784b483eeae1b49164a8a02fe9c0d3ba"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a97311561fd1f01e9f35b2f7ce18b0af3"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:a97311561fd1f01e9f35b2f7ce18b0af3"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#a97311561fd1f01e9f35b2f7ce18b0af3">util::GraphIsWeaklyConnected</a> (const Graph &graph)</td></tr>
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<tr class="separator:a97311561fd1f01e9f35b2f7ce18b0af3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0ed748741b17dad9e6cc485728bb0043"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:a0ed748741b17dad9e6cc485728bb0043"><td class="memTemplItemLeft" align="right" valign="top">std::unique_ptr< Graph > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#a0ed748741b17dad9e6cc485728bb0043">util::CopyGraph</a> (const Graph &graph)</td></tr>
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<tr class="memdesc:a0ed748741b17dad9e6cc485728bb0043"><td class="mdescLeft"> </td><td class="mdescRight">Returns a fresh copy of a given graph. <a href="namespaceutil.html#a0ed748741b17dad9e6cc485728bb0043">More...</a><br /></td></tr>
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<tr class="separator:a0ed748741b17dad9e6cc485728bb0043"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:acfecdce43e9933bde2a94fd879f12f5f"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:acfecdce43e9933bde2a94fd879f12f5f"><td class="memTemplItemLeft" align="right" valign="top">std::unique_ptr< Graph > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#acfecdce43e9933bde2a94fd879f12f5f">util::RemapGraph</a> (const Graph &graph, const std::vector< int > &new_node_index)</td></tr>
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<tr class="memdesc:acfecdce43e9933bde2a94fd879f12f5f"><td class="mdescLeft"> </td><td class="mdescRight">Creates a remapped copy of graph "graph", where node i becomes node new_node_index[i]. <a href="namespaceutil.html#acfecdce43e9933bde2a94fd879f12f5f">More...</a><br /></td></tr>
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<tr class="separator:acfecdce43e9933bde2a94fd879f12f5f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad1df170a504d335462a1104a942e6069"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:ad1df170a504d335462a1104a942e6069"><td class="memTemplItemLeft" align="right" valign="top">std::unique_ptr< Graph > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#ad1df170a504d335462a1104a942e6069">util::GetSubgraphOfNodes</a> (const Graph &graph, const std::vector< int > &nodes)</td></tr>
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<tr class="memdesc:ad1df170a504d335462a1104a942e6069"><td class="mdescLeft"> </td><td class="mdescRight">Gets the induced subgraph of "graph" restricted to the nodes in "nodes": the resulting graph will have exactly nodes.size() nodes, and its node #0 will be the former graph's node #nodes[0], etc. <a href="namespaceutil.html#ad1df170a504d335462a1104a942e6069">More...</a><br /></td></tr>
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<tr class="separator:ad1df170a504d335462a1104a942e6069"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab34783e729bb5fc99042893f6bfcbb2f"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:ab34783e729bb5fc99042893f6bfcbb2f"><td class="memTemplItemLeft" align="right" valign="top">std::vector< int > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#ab34783e729bb5fc99042893f6bfcbb2f">util::GetWeaklyConnectedComponents</a> (const Graph &graph)</td></tr>
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<tr class="memdesc:ab34783e729bb5fc99042893f6bfcbb2f"><td class="mdescLeft"> </td><td class="mdescRight">Computes the weakly connected components of a directed graph that provides the OutgoingOrOppositeIncomingArcs() API, and returns them as a mapping from node to component index. <a href="namespaceutil.html#ab34783e729bb5fc99042893f6bfcbb2f">More...</a><br /></td></tr>
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<tr class="separator:ab34783e729bb5fc99042893f6bfcbb2f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa9fb4c9a176acaf72053b11727436e9e"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceutil.html#aa9fb4c9a176acaf72053b11727436e9e">util::IsSubsetOf0N</a> (const std::vector< int > &v, int n)</td></tr>
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<tr class="memdesc:aa9fb4c9a176acaf72053b11727436e9e"><td class="mdescLeft"> </td><td class="mdescRight">Returns true iff the given vector is a subset of [0..n-1], i.e. <a href="namespaceutil.html#aa9fb4c9a176acaf72053b11727436e9e">More...</a><br /></td></tr>
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<tr class="separator:aa9fb4c9a176acaf72053b11727436e9e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad7986b01cf61a31c09a27b4a97db6a83"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceutil.html#ad7986b01cf61a31c09a27b4a97db6a83">util::IsValidPermutation</a> (const std::vector< int > &v)</td></tr>
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<tr class="memdesc:ad7986b01cf61a31c09a27b4a97db6a83"><td class="mdescLeft"> </td><td class="mdescRight">Returns true iff the given vector is a permutation of [0..size()-1]. <a href="namespaceutil.html#ad7986b01cf61a31c09a27b4a97db6a83">More...</a><br /></td></tr>
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<tr class="separator:ad7986b01cf61a31c09a27b4a97db6a83"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8a06031908a024a50dbdddc394a22490"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:a8a06031908a024a50dbdddc394a22490"><td class="memTemplItemLeft" align="right" valign="top">std::unique_ptr< Graph > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#a8a06031908a024a50dbdddc394a22490">util::RemoveSelfArcsAndDuplicateArcs</a> (const Graph &graph)</td></tr>
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<tr class="memdesc:a8a06031908a024a50dbdddc394a22490"><td class="mdescLeft"> </td><td class="mdescRight">Returns a copy of "graph", without self-arcs and duplicate arcs. <a href="namespaceutil.html#a8a06031908a024a50dbdddc394a22490">More...</a><br /></td></tr>
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<tr class="separator:a8a06031908a024a50dbdddc394a22490"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a06fa201576c927d92657e090fa86bfdb"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:a06fa201576c927d92657e090fa86bfdb"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#a06fa201576c927d92657e090fa86bfdb">util::RemoveCyclesFromPath</a> (const Graph &graph, std::vector< int > *arc_path)</td></tr>
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<tr class="memdesc:a06fa201576c927d92657e090fa86bfdb"><td class="mdescLeft"> </td><td class="mdescRight">Given an arc path, changes it to a sub-path with the same source and destination but without any cycle. <a href="namespaceutil.html#a06fa201576c927d92657e090fa86bfdb">More...</a><br /></td></tr>
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<tr class="separator:a06fa201576c927d92657e090fa86bfdb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:adbb18bcb2f9d64cbbaeb57c328f57e7b"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:adbb18bcb2f9d64cbbaeb57c328f57e7b"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#adbb18bcb2f9d64cbbaeb57c328f57e7b">util::PathHasCycle</a> (const Graph &graph, const std::vector< int > &arc_path)</td></tr>
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<tr class="memdesc:adbb18bcb2f9d64cbbaeb57c328f57e7b"><td class="mdescLeft"> </td><td class="mdescRight">Returns true iff the given path contains a cycle. <a href="namespaceutil.html#adbb18bcb2f9d64cbbaeb57c328f57e7b">More...</a><br /></td></tr>
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<tr class="separator:adbb18bcb2f9d64cbbaeb57c328f57e7b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae469c559688b92f36bae2788c2e6063e"><td class="memTemplParams" colspan="2">template<class Graph > </td></tr>
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<tr class="memitem:ae469c559688b92f36bae2788c2e6063e"><td class="memTemplItemLeft" align="right" valign="top">std::vector< int > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutil.html#ae469c559688b92f36bae2788c2e6063e">util::ComputeOnePossibleReverseArcMapping</a> (const Graph &graph, bool die_if_not_symmetric)</td></tr>
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<tr class="memdesc:ae469c559688b92f36bae2788c2e6063e"><td class="mdescLeft"> </td><td class="mdescRight">Returns a vector representing a mapping from arcs to arcs such that each arc is mapped to another arc with its (tail, head) flipped, if such an arc exists (otherwise it is mapped to -1). <a href="namespaceutil.html#ae469c559688b92f36bae2788c2e6063e">More...</a><br /></td></tr>
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