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