Added boost header
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102
test/external/boost/graph/adjacency_iterator.hpp
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102
test/external/boost/graph/adjacency_iterator.hpp
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//=======================================================================
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// Copyright 2002 Indiana University.
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// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//=======================================================================
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#ifndef BOOST_ADJACENCY_ITERATOR_HPP
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#define BOOST_ADJACENCY_ITERATOR_HPP
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#include <boost/iterator/iterator_adaptor.hpp>
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#include <boost/graph/graph_traits.hpp>
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namespace boost
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{
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template <class Graph, class Vertex, class OutEdgeIter, class Difference>
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struct adjacency_iterator
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: iterator_adaptor<
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adjacency_iterator<Graph,Vertex,OutEdgeIter,Difference>
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, OutEdgeIter
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, Vertex
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, use_default
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, Vertex
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, Difference
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>
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{
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typedef iterator_adaptor<
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adjacency_iterator<Graph,Vertex,OutEdgeIter,Difference>
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, OutEdgeIter
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, Vertex
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, use_default
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, Vertex
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, Difference
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> super_t;
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inline adjacency_iterator() {}
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inline adjacency_iterator(OutEdgeIter const& i, const Graph* g) : super_t(i), m_g(g) { }
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inline Vertex
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dereference() const
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{ return target(*this->base(), *m_g); }
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const Graph* m_g;
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};
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template <class Graph,
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class Vertex = typename graph_traits<Graph>::vertex_descriptor,
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class OutEdgeIter=typename graph_traits<Graph>::out_edge_iterator>
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class adjacency_iterator_generator
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{
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typedef typename boost::detail::iterator_traits<OutEdgeIter>
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::difference_type difference_type;
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public:
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typedef adjacency_iterator<Graph,Vertex,OutEdgeIter,difference_type> type;
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};
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template <class Graph, class Vertex, class InEdgeIter, class Difference>
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struct inv_adjacency_iterator
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: iterator_adaptor<
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inv_adjacency_iterator<Graph,Vertex,InEdgeIter,Difference>
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, InEdgeIter
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, Vertex
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, use_default
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, Vertex
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, Difference
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>
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{
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typedef iterator_adaptor<
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inv_adjacency_iterator<Graph,Vertex,InEdgeIter,Difference>
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, InEdgeIter
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, Vertex
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, use_default
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, Vertex
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, Difference
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> super_t;
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inline inv_adjacency_iterator() { }
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inline inv_adjacency_iterator(InEdgeIter const& i, const Graph* g) : super_t(i), m_g(g) { }
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inline Vertex
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dereference() const
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{ return source(*this->base(), *m_g); }
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const Graph* m_g;
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};
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template <class Graph,
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class Vertex = typename graph_traits<Graph>::vertex_descriptor,
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class InEdgeIter = typename graph_traits<Graph>::in_edge_iterator>
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class inv_adjacency_iterator_generator {
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typedef typename boost::detail::iterator_traits<InEdgeIter>
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::difference_type difference_type;
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public:
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typedef inv_adjacency_iterator<Graph, Vertex, InEdgeIter, difference_type> type;
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};
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} // namespace boost
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#endif // BOOST_DETAIL_ADJACENCY_ITERATOR_HPP
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