/usr/include/tulip/ConnectedTest.h is in libtulip-dev 3.1.2-2.3ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
Authors: David Auber, Patrick Mary, Morgan Mathiaut
from the LaBRI Visualization Team
Email : auber@tulip-software.org
Last modification : 13/03/2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
*/
#ifndef TULIP_CONNECTEDTEST_H
#define TULIP_CONNECTEDTEST_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <set>
#include "tulip/ObservableGraph.h"
namespace tlp {
class Graph;
/** \addtogroup graph_test */
/*@{*/
/// class for testing if the graph is connected
class TLP_SCOPE ConnectedTest : private GraphObserver {
public:
/**
* Returns true if the graph is connected (ie. it exists an undirected path
* between each pair of nodes) else false.
*/
static bool isConnected(Graph *graph);
/**
* If the graph is not connected, adds edges in order to make the graph
* connected. The new edges are added in addedEdges.
*/
static void makeConnected(Graph *graph, std::vector<edge>& addedEdges);
/**
* Returns the number of connected components in the graph;
*/
static unsigned int numberOfConnectedComponents(Graph *graph);
/**
* Compute the nodes for each connected component
*/
static void computeConnectedComponents(Graph *graph, std::vector< std::set<node> >& components);
private:
void connect(Graph *, std::vector<node>& toLink);
bool compute(Graph *);
void addEdge(Graph *,const edge);
void delEdge(Graph *,const edge);
void reverseEdge(Graph *,const edge);
void addNode(Graph *,const node);
void delNode(Graph *,const node);
void destroy(Graph *);
ConnectedTest();
static ConnectedTest * instance;
stdext::hash_map<unsigned long,bool> resultsBuffer;
};
}
/*@}*/
#endif
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