| // 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 |