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// (C) Copyright 2005 Matthias Troyer
// 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)
// Authors: Matthias Troyer
#ifndef BOOST_MPI_DETAIL_IGNORE_OPRIMITIVE_HPP
#define BOOST_MPI_DETAIL_IGNORE_OPRIMITIVE_HPP
#include <boost/config.hpp>
#include <boost/mpi/datatype.hpp>
#include <boost/serialization/array.hpp>
namespace boost { namespace mpi { namespace detail {
/// @brief a minimal output archive, which ignores any save
///
/// This class implements a minimal output archive, probably an output archive
/// archetype, doing nothing at any save. It's use, besides acting as an
/// archetype is as a base class to implement special archives that ignore
/// saving of most types
class ignore_oprimitive
{
public:
/// a trivial default constructor
ignore_oprimitive()
{}
/// don't do anything when saving binary data
void save_binary(const void *, std::size_t )
{
}
/// don't do anything when saving arrays
template<class T>
void save_array(serialization::array_wrapper<T> const&, unsigned int )
{
}
typedef is_mpi_datatype<mpl::_1> use_array_optimization;
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
friend class archive::save_access;
protected:
#else
public:
#endif
/// don't do anything when saving primitive types
template<class T>
void save(const T &)
{
}
};
} } } // end namespace boost::mpi::detail
#endif // BOOST_MPI_DETAIL_IGNORE_OPRIMITIVE_HPP
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