ceph/src/boost/libs/graph_parallel/include/boost/graph/distributed/selector.hpp

   1 // Copyright (C) 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: Douglas Gregor
   8 //           Andrew Lumsdaine
   9 #ifndef BOOST_GRAPH_DISTRIBUTED_SELECTOR_HPP
  10 #define BOOST_GRAPH_DISTRIBUTED_SELECTOR_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/detail/is_distributed_selector.hpp>
  17
  18 namespace boost {
  19
  20   /* The default local selector for a distributedS selector. */
  21   struct defaultS {};
  22
  23   /**
  24    * Selector that specifies that the graph should be distributed
  25    * among different processes organized based on the given process
  26    * group.
  27    */
  28   template<typename ProcessGroup, typename LocalS = defaultS,
  29            typename DistributionS = defaultS>
  30   struct distributedS
  31   {
  32     typedef ProcessGroup process_group_type;
  33     typedef LocalS local_selector;
  34     typedef DistributionS distribution;
  35   };
  36
  37   namespace detail {
  38     template<typename ProcessGroup, typename LocalS, typename DistributionS>
  39     struct is_distributed_selector<distributedS<ProcessGroup, LocalS, DistributionS> >: mpl::true_ {};
  40   }
  41
  42 }
  43
  44 #endif // BOOST_GRAPH_DISTRIBUTED_SELECTOR_HPP