boost/mpi/datatype_fwd.hpp

   1 // Copyright (C) 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 /** @file datatype_fwd.hpp
   8  *
   9  *  This header provides forward declarations for the contents of the
  10  *  header @c datatype.hpp. It is expected to be used primarily by
  11  *  user-defined C++ classes that need to specialize @c
  12  *  is_mpi_datatype.
  13  */
  14 #ifndef BOOST_MPI_DATATYPE_FWD_HPP
  15 #define BOOST_MPI_DATATYPE_FWD_HPP
  16
  17 #include <boost/mpi/config.hpp>
  18
  19 namespace boost { namespace mpi {
  20
  21 template<typename T> struct is_mpi_builtin_datatype;
  22 template<typename T> struct is_mpi_integer_datatype;
  23 template<typename T> struct is_mpi_floating_point_datatype;
  24 template<typename T> struct is_mpi_logical_datatype;
  25 template<typename T> struct is_mpi_complex_datatype;
  26 template<typename T> struct is_mpi_byte_datatype;
  27 template<typename T> struct is_mpi_datatype;
  28 template<typename T> MPI_Datatype get_mpi_datatype(const T& x = T());
  29
  30 /// a dummy data type giving MPI_PACKED as its MPI_Datatype
  31 struct packed {};
  32 } } // end namespace boost::mpi
  33
  34 #endif // BOOST_MPI_MPI_DATATYPE_FWD_HPP