ceph/src/boost/boost/graph/distributed/reverse_graph.hpp

   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