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 // $Source: /cvsroot/boost/boost/boost/mpl/numeric_cast.hpp,v $

    14 // $Date: 2005/06/26 17:14:04 $

    15 // $Revision: 1.9 $

    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    23 // these outdated compilers!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