1 // Copyright (C) 2005-2006 The Trustees of Indiana University. 2 3 // Use, modification and distribution is subject to the Boost Software 4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 5 // http://www.boost.org/LICENSE_1_0.txt) 6 7 // Authors: Nick Edmonds 8 // Andrew Lumsdaine 9 #ifndef BOOST_GRAPH_DISTRIBUTED_REVERSE_GRAPH_HPP 10 #define BOOST_GRAPH_DISTRIBUTED_REVERSE_GRAPH_HPP 11 12 #ifndef BOOST_GRAPH_USE_MPI 13 #error "Parallel BGL files should not be included unless <boost/graph/use_mpi.hpp> has been included" 14 #endif 15 16 #include <boost/graph/reverse_graph.hpp> 17 #include <boost/graph/parallel/container_traits.hpp> 18 19 namespace boost { 20 namespace graph { 21 namespace parallel { 22 /// Retrieve the process group from a reverse graph 23 template<typename Graph, typename GraphRef> 24 struct process_group_type<reverse_graph<Graph, GraphRef> > 25 : process_group_type<Graph> { }; 26 } 27 28 } 29 30 /// Retrieve the process group from a reverse graph 31 template<typename Graph, typename GraphRef> 32 inline typename graph::parallel::process_group_type<Graph>::type process_group(reverse_graph<Graph,GraphRef> const & g)33 process_group(reverse_graph<Graph, GraphRef> const& g) { 34 return process_group(g.m_g); 35 } 36 } // namespace boost 37 38 #endif 39