williamr@2: williamr@2: #ifndef BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED williamr@2: #define BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED williamr@2: williamr@2: // Copyright Aleksey Gurtovoy 2003-2004 williamr@2: // williamr@2: // Distributed under the Boost Software License, Version 1.0. williamr@2: // (See accompanying file LICENSE_1_0.txt or copy at williamr@2: // http://www.boost.org/LICENSE_1_0.txt) williamr@2: // williamr@2: // See http://www.boost.org/libs/mpl for documentation. williamr@2: williamr@2: // $Source: /cvsroot/boost/boost/boost/mpl/aux_/numeric_cast_utils.hpp,v $ williamr@2: // $Date: 2004/11/28 01:39:23 $ williamr@2: // $Revision: 1.2 $ williamr@2: williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: williamr@2: namespace boost { namespace mpl { namespace aux { williamr@2: williamr@2: template< williamr@2: typename F williamr@2: , typename Tag1 williamr@2: , typename Tag2 williamr@2: > williamr@2: struct cast1st_impl williamr@2: { williamr@2: template< typename N1, typename N2 > struct apply williamr@2: #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) williamr@2: : apply_wrap2< williamr@2: F williamr@2: , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST,N1 >::type williamr@2: , N2 williamr@2: > williamr@2: { williamr@2: #else williamr@2: { williamr@2: typedef typename apply_wrap2< williamr@2: F williamr@2: , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST,N1 >::type williamr@2: , N2 williamr@2: >::type type; williamr@2: #endif williamr@2: }; williamr@2: }; williamr@2: williamr@2: template< williamr@2: typename F williamr@2: , typename Tag1 williamr@2: , typename Tag2 williamr@2: > williamr@2: struct cast2nd_impl williamr@2: { williamr@2: template< typename N1, typename N2 > struct apply williamr@2: #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) williamr@2: : apply_wrap2< williamr@2: F williamr@2: , N1 williamr@2: , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST,N2 >::type williamr@2: > williamr@2: { williamr@2: #else williamr@2: { williamr@2: typedef typename apply_wrap2< williamr@2: F williamr@2: , N1 williamr@2: , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST,N2 >::type williamr@2: >::type type; williamr@2: #endif williamr@2: }; williamr@2: }; williamr@2: williamr@2: }}} williamr@2: williamr@2: #endif // BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED