ceph/src/boost/libs/mpi/include/boost/mpi/detail/broadcast_sc.hpp

   1 // Copyright (C) 2005, 2006 Douglas Gregor <doug.gregor -at- gmail.com>.
   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 // Allows broadcast of skeletons via proxy.
   8
   9 // This header may only be included after both the broadcast.hpp and
  10 // and skeleton_and_content.hpp headers have been included.
  11 #ifndef BOOST_MPI_BROADCAST_SC_HPP
  12 #define BOOST_MPI_BROADCAST_SC_HPP
  13
  14 namespace boost { namespace mpi {
  15
  16 template<typename T>
  17 inline void
  18 broadcast(const communicator& comm, skeleton_proxy<T>& proxy, int root)
  19 {
  20   const skeleton_proxy<T>& const_proxy(proxy);
  21   broadcast(comm, const_proxy, root);
  22 }
  23
  24 template<typename T>
  25 void
  26 broadcast(const communicator& comm, const skeleton_proxy<T>& proxy, int root)
  27 {
  28   if (comm.rank() == root) {
  29     packed_skeleton_oarchive oa(comm);
  30     oa << proxy.object;
  31     broadcast(comm, oa, root);
  32   } else {
  33     packed_skeleton_iarchive ia(comm);
  34     broadcast(comm, ia, root);
  35     ia >> proxy.object;
  36   }
  37 }
  38
  39 } } // end namespace boost::mpi
  40
  41 #endif // BOOST_MPI_BROADCAST_SC_HPP