Chris@16: // Copyright (C) 2004-2006 The Trustees of Indiana University.
Chris@16: 
Chris@16: // Use, modification and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  Authors: Douglas Gregor
Chris@16: //           Andrew Lumsdaine
Chris@16: 
Chris@16: //
Chris@16: // This file contains traits that describe 
Chris@16: //
Chris@16: #ifndef BOOST_GRAPH_PARALLEL_CONTAINER_TRAITS_HPP
Chris@16: #define BOOST_GRAPH_PARALLEL_CONTAINER_TRAITS_HPP
Chris@16: 
Chris@16: #ifndef BOOST_GRAPH_USE_MPI
Chris@16: #error "Parallel BGL files should not be included unless <boost/graph/use_mpi.hpp> has been included"
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost { namespace graph { namespace parallel {
Chris@16: 
Chris@16: template<typename T>
Chris@16: struct process_group_type
Chris@16: {
Chris@16:   typedef typename T::process_group_type type;
Chris@16: };
Chris@16: 
Chris@16: template<typename T>
Chris@16: inline typename process_group_type<T>::type
Chris@16: process_group(const T& x)
Chris@16: { return x.process_group(); }
Chris@16: 
Chris@16: // Helper function that algorithms should use to get the process group
Chris@16: // out of a container.
Chris@16: template<typename Container>
Chris@16: inline typename process_group_type<Container>::type
Chris@16: process_group_adl(const Container& container)
Chris@16: {
Chris@16:   return process_group(container);
Chris@16: }
Chris@16: 
Chris@16: 
Chris@16: } } } // end namespace boost::graph::parallel 
Chris@16: 
Chris@16: #endif // BOOST_GRAPH_PARALLEL_CONTAINER_TRAITS_HPP