46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
// Copyright (C) 2004-2006 The Trustees of Indiana University.
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See 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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// Authors: Douglas Gregor
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// Andrew Lumsdaine
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//
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// This file contains traits that describe
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//
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#ifndef BOOST_GRAPH_PARALLEL_CONTAINER_TRAITS_HPP
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#define BOOST_GRAPH_PARALLEL_CONTAINER_TRAITS_HPP
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#ifndef BOOST_GRAPH_USE_MPI
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#error "Parallel BGL files should not be included unless <boost/graph/use_mpi.hpp> has been included"
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#endif
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namespace boost { namespace graph { namespace parallel {
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template<typename T>
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struct process_group_type
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{
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typedef typename T::process_group_type type;
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};
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template<typename T>
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inline typename process_group_type<T>::type
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process_group(const T& x)
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{ return x.process_group(); }
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// Helper function that algorithms should use to get the process group
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// out of a container.
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template<typename Container>
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inline typename process_group_type<Container>::type
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process_group_adl(const Container& container)
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{
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return process_group(container);
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}
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} } } // end namespace boost::graph::parallel
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#endif // BOOST_GRAPH_PARALLEL_CONTAINER_TRAITS_HPP
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