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/*
* $Revision: 2523 $
*
* last checkin:
* $Author: gutwenger $
* $Date: 2012-07-02 20:59:27 +0200 (Mon, 02 Jul 2012) $
***************************************************************/
/** \file
* \brief Declaration of class ShortestPathWithBFM which computes
* shortest paths via Bellman-Ford-Moore.
*
* \author Gunnar W. Klau
*
* \par License:
* This file is part of the Open Graph Drawing Framework (OGDF).
*
* \par
* Copyright (C)<br>
* See README.txt in the root directory of the OGDF installation for details.
*
* \par
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* Version 2 or 3 as published by the Free Software Foundation;
* see the file LICENSE.txt included in the packaging of this file
* for details.
*
* \par
* This program 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.
*
* \par
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* \see http://www.gnu.org/copyleft/gpl.html
***************************************************************/
#ifdef _MSC_VER
#pragma once
#endif
#ifndef OGDF_SHORTEST_PATH_BFM_H
#define OGDF_SHORTEST_PATH_BFM_H
#include <ogdf/module/ShortestPathModule.h>
namespace ogdf {
class OGDF_EXPORT ShortestPathWithBFM : public ShortestPathModule
{
public:
ShortestPathWithBFM() { }
// computes shortest paths
// Precond.:
//
// returns false iff the graph contains a negative cycle
bool call(
const Graph &G, // directed graph
const node s, // source node
const EdgeArray<int> &length, // length of an edge
NodeArray<int> &d, // contains shortest path distances after call
NodeArray<edge> &pi
);
};
} // end namespace ogdf
#endif
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