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/*
* Copyright 2008-2009 NVIDIA Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*! \file pseudo_peripheral.h
* \brief Pseduo peripheral vertex of a graph
*/
#pragma once
#include <cusp/detail/config.h>
namespace cusp
{
namespace graph
{
/*! \addtogroup algorithms Algorithms
* \ingroup algorithms
* \{
*/
/*! \p pseudo_peripheral_vertex : finds a pseduo-peripheral vertex
* a graph. The pseduo-peripheral vertex is the vertex which achieves
* the diameter of the graph, i.e. achieves the maximum separation distance.
*
* \param A symmetric matrix that represents a graph
* \param BFS level set of vertices starting from pseudo-peripheral vertex
*
* \tparam Matrix matrix
* \tparam Array array
*
* \see http://en.wikipedia.org/wiki/Distance_(graph_theory)
*/
template<typename MatrixType>
typename MatrixType::index_type pseudo_peripheral_vertex(const MatrixType& G);
template<typename MatrixType, typename ArrayType>
typename MatrixType::index_type pseudo_peripheral_vertex(const MatrixType& G, ArrayType& levels);
/*! \}
*/
} // end namespace graph
} // end namespace cusp
#include <cusp/graph/detail/pseudo_peripheral.inl>
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