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#ifndef BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED
#define BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2000-2004
//
// Distributed under 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)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/bool.hpp>
#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>
#include <boost/mpl/aux_/config/msvc.hpp>
#include <boost/mpl/aux_/config/workaround.hpp>
namespace boost { namespace mpl {
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
namespace aux
{
template <class N>
struct is_even_base
{
enum { value = (N::value % 2) == 0 };
typedef bool_<value> type;
};
}
#endif
template<
typename BOOST_MPL_AUX_NA_PARAM(N)
>
struct is_even
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
: aux::is_even_base<N>::type
#else
: bool_<((N::value % 2) == 0)>
#endif
{
BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_even,(N))
};
BOOST_MPL_AUX_NA_SPEC(1, is_even)
}}
#endif // BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED
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