/usr/include/tulip/TriconnectedTest.h is in libtulip-dev 4.4.0dfsg2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux 1 and Inria Bordeaux - Sud Ouest
*
* Tulip is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Tulip is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
*/
///@cond DOXYGEN_HIDDEN
#ifndef TULIP_TRICONNECTEDTEST_H
#define TULIP_TRICONNECTEDTEST_H
#include <tulip/tuliphash.h>
#include <tulip/Observable.h>
#include <tulip/Graph.h>
namespace tlp {
/**
* @ingroup Checks
* @brief Provides functions to test if a graph is Triconnected.
**/
class TLP_SCOPE TriconnectedTest : private Observable {
public:
/**
* Returns true if the graph is triconnected (i.e. a connected graph such that deleting any two nodes (and incident edges)
* results in a graph that is still connected), false otherwise.
*/
/**
* @brief Checks if the graph is triconnected.
* Creates a clone sugraph in which to operate, then iterates over the nodes, and deletes them.
* Once the node is deleted, checks if the graph is biconnected.
* If it is not, then the graph is not triconnected.
* If it is, adds back the node and its edges.
*
* @param graph The graph to check is triconnected.
* @return bool True if the graph is triconnected, false otherwise.
**/
static bool isTriconnected(Graph *graph);
private:
TriconnectedTest();
bool compute(tlp::Graph* graph);
// override Observable::treatEvent
void treatEvent(const Event&);
/**
* @brief Singleton instance of this class.
**/
static TriconnectedTest * instance;
/**
* @brief Stored results for graphs. When a graph is updated, its entry is removed from the hashmap.
**/
TLP_HASH_MAP<const Graph*, bool> resultsBuffer;
};
}
#endif
///@endcond
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