| |
| #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. |
| |
| // $Id$ |
| // $Date$ |
| // $Revision$ |
| |
| #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 |