62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
|
// (c) Copyright Fernando Luis Cacciola Carballal 2000-2004
|
||
|
|
// Use, modification, and distribution is subject to 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 library home page at http://www.boost.org/libs/numeric/conversion
|
||
|
|
//
|
||
|
|
// Contact the author at: fernando_cacciola@hotmail.com
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Revision History
|
||
|
|
//
|
||
|
|
// 19 Nov 2001 Syntatic changes as suggested by Darin Adler (Fernando Cacciola)
|
||
|
|
// 08 Nov 2001 Fixes to accommodate MSVC (Fernando Cacciola)
|
||
|
|
// 04 Nov 2001 Fixes to accommodate gcc2.92 (Fernando Cacciola)
|
||
|
|
// 30 Oct 2001 Some fixes suggested by Daryle Walker (Fernando Cacciola)
|
||
|
|
// 25 Oct 2001 Initial boostification (Fernando Cacciola)
|
||
|
|
// 23 Jan 2004 Inital add to cvs (post review)s
|
||
|
|
// 22 Jun 2011 Added support for specializing cast policies via numeric_cast_traits (Brandon Kohn).
|
||
|
|
//
|
||
|
|
#ifndef BOOST_NUMERIC_CONVERSION_CAST_25OCT2001_HPP
|
||
|
|
#define BOOST_NUMERIC_CONVERSION_CAST_25OCT2001_HPP
|
||
|
|
|
||
|
|
#include <boost/detail/workaround.hpp>
|
||
|
|
|
||
|
|
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582))
|
||
|
|
|
||
|
|
# include<boost/numeric/conversion/detail/old_numeric_cast.hpp>
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#include <boost/type.hpp>
|
||
|
|
#include <boost/numeric/conversion/converter.hpp>
|
||
|
|
#include <boost/numeric/conversion/numeric_cast_traits.hpp>
|
||
|
|
|
||
|
|
namespace boost
|
||
|
|
{
|
||
|
|
template <typename Target, typename Source>
|
||
|
|
inline Target numeric_cast( Source arg )
|
||
|
|
{
|
||
|
|
typedef numeric::conversion_traits<Target, Source> conv_traits;
|
||
|
|
typedef numeric::numeric_cast_traits<Target, Source> cast_traits;
|
||
|
|
typedef boost::numeric::converter
|
||
|
|
<
|
||
|
|
Target,
|
||
|
|
Source,
|
||
|
|
conv_traits,
|
||
|
|
typename cast_traits::overflow_policy,
|
||
|
|
typename cast_traits::rounding_policy,
|
||
|
|
boost::numeric::raw_converter< conv_traits >,
|
||
|
|
typename cast_traits::range_checking_policy
|
||
|
|
> converter;
|
||
|
|
return converter::convert(arg);
|
||
|
|
}
|
||
|
|
|
||
|
|
using numeric::bad_numeric_cast;
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|