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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 | |
33 | process_group(reverse_graph<Graph, GraphRef> const& g) { | |
34 | return process_group(g.m_g); | |
35 | } | |
36 | } // namespace boost | |
37 | ||
38 | #endif |