// Copyright (C) 2006 Douglas Gregor <doug.gregor -at- gmail.com>.
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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/** @file datatype_fwd.hpp
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*
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* This header provides forward declarations for the contents of the
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* header @c datatype.hpp. It is expected to be used primarily by
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* user-defined C++ classes that need to specialize @c
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* is_mpi_datatype.
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*/
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#ifndef BOOST_MPI_DATATYPE_FWD_HPP
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#define BOOST_MPI_DATATYPE_FWD_HPP
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#include <boost/mpi/config.hpp>
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namespace boost { namespace mpi {
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template<typename T> struct is_mpi_builtin_datatype;
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template<typename T> struct is_mpi_integer_datatype;
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template<typename T> struct is_mpi_floating_point_datatype;
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template<typename T> struct is_mpi_logical_datatype;
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template<typename T> struct is_mpi_complex_datatype;
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template<typename T> struct is_mpi_byte_datatype;
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template<typename T> struct is_mpi_datatype;
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template<typename T> MPI_Datatype get_mpi_datatype(const T& x);
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template<typename T> MPI_Datatype get_mpi_datatype()
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{ return get_mpi_datatype(T());}
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/// a dummy data type giving MPI_PACKED as its MPI_Datatype
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struct packed {};
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} } // end namespace boost::mpi
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#endif // BOOST_MPI_MPI_DATATYPE_FWD_HPP
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