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23// these outdated compilers!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
30namespace boost { namespace mpl {
31
32// no default implementation; the definition is needed to make MSVC happy
33
34template< 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