1 2 #ifndef BOOST_MPL_NUMERIC_CAST_HPP_INCLUDED 3 #define BOOST_MPL_NUMERIC_CAST_HPP_INCLUDED 4 5 // Copyright Aleksey Gurtovoy 2003-2004 6 // 7 // Distributed under the Boost Software License, Version 1.0. 8 // (See accompanying file LICENSE_1_0.txt or copy at 9 // http://www.boost.org/LICENSE_1_0.txt) 10 // 11 // See http://www.boost.org/libs/mpl for documentation. 12 13 // $Id$ 14 // $Date$ 15 // $Revision$ 16 17 #include <boost/mpl/aux_/config/msvc.hpp> 18 #include <boost/mpl/aux_/config/workaround.hpp> 19 20 // agurt 21/sep/04: portability macro for the sake of MSVC 6.x-7.0; 21 // resolves conflicts with 'boost::numeric_cast' function template. 22 // use it in your own code _only_ if you care about compatibility with 23 // these outdated compilers! 24 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x570) ) 25 # define BOOST_MPL_AUX_NUMERIC_CAST numeric_cast_ 26 #else 27 # define BOOST_MPL_AUX_NUMERIC_CAST numeric_cast 28 #endif 29 30 namespace boost { namespace mpl { 31 32 // no default implementation; the definition is needed to make MSVC happy 33 34 template< typename SourceTag, typename TargetTag > struct BOOST_MPL_AUX_NUMERIC_CAST 35 { 36 template< typename N > struct apply; 37 }; 38 39 }} 40 41 #endif // BOOST_MPL_NUMERIC_CAST_HPP_INCLUDED 42