#ifndef BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED

#define BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED

// Copyright Aleksey Gurtovoy 2003-2004

//

// 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.

// $Source: /cvsroot/boost/boost/boost/mpl/aux_/numeric_cast_utils.hpp,v $

// $Date: 2004/11/28 01:39:23 $

// $Revision: 1.2 $

#include <boost/mpl/numeric_cast.hpp>

#include <boost/mpl/apply_wrap.hpp>

#include <boost/mpl/aux_/config/forwarding.hpp>

namespace boost { namespace mpl { namespace aux {

template<

      typename F

    , typename Tag1

    , typename Tag2

    >

struct cast1st_impl

{

    template< typename N1, typename N2 > struct apply

#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)

        : apply_wrap2< 

              F

            , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag1,Tag2>,N1 >::type

            , N2

            >

    {

#else

    {

    typedef typename apply_wrap2< 

              F

            , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag1,Tag2>,N1 >::type

            , N2

            >::type type;

#endif

    };

};

template<

      typename F

    , typename Tag1

    , typename Tag2

    >

struct cast2nd_impl

{

    template< typename N1, typename N2 > struct apply

#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)

        : apply_wrap2< 

              F

            , N1

            , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag2,Tag1>,N2 >::type

            >

    {

#else

    {

        typedef typename apply_wrap2< 

              F

            , N1

            , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag2,Tag1>,N2 >::type

            >::type type;

#endif

    };

};

}}}

#endif // BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED