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// Copyright (C) 2006 Douglas Gregor <doug.gregor -at- gmail.com>.
// 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)
/** @file datatype_fwd.hpp
*
* This header provides forward declarations for the contents of the
* header @c datatype.hpp. It is expected to be used primarily by
* user-defined C++ classes that need to specialize @c
* is_mpi_datatype.
*/
#ifndef BOOST_MPI_DATATYPE_FWD_HPP
#define BOOST_MPI_DATATYPE_FWD_HPP
#include <boost/mpi/config.hpp>
namespace boost { namespace mpi {
template<typename T> struct is_mpi_builtin_datatype;
template<typename T> struct is_mpi_integer_datatype;
template<typename T> struct is_mpi_floating_point_datatype;
template<typename T> struct is_mpi_logical_datatype;
template<typename T> struct is_mpi_complex_datatype;
template<typename T> struct is_mpi_byte_datatype;
template<typename T> struct is_mpi_datatype;
template<typename T> MPI_Datatype get_mpi_datatype(const T& x);
template<typename T> MPI_Datatype get_mpi_datatype()
{ return get_mpi_datatype(T());}
/// a dummy data type giving MPI_PACKED as its MPI_Datatype
struct packed {};
} } // end namespace boost::mpi
#endif // BOOST_MPI_MPI_DATATYPE_FWD_HPP
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