| 1 | // (c) Copyright Fernando Luis Cacciola Carballal 2000-2004 |
|---|
| 2 | // Use, modification, and distribution is subject to the Boost Software |
|---|
| 3 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
|---|
| 4 | // http://www.boost.org/LICENSE_1_0.txt) |
|---|
| 5 | |
|---|
| 6 | // See library home page at http://www.boost.org/libs/numeric/conversion |
|---|
| 7 | // |
|---|
| 8 | // Contact the author at: fernando_cacciola@hotmail.com |
|---|
| 9 | // |
|---|
| 10 | // |
|---|
| 11 | // Revision History |
|---|
| 12 | // |
|---|
| 13 | // 19 Nov 2001 Syntatic changes as suggested by Darin Adler (Fernando Cacciola) |
|---|
| 14 | // 08 Nov 2001 Fixes to accommodate MSVC (Fernando Cacciola) |
|---|
| 15 | // 04 Nov 2001 Fixes to accommodate gcc2.92 (Fernando Cacciola) |
|---|
| 16 | // 30 Oct 2001 Some fixes suggested by Daryle Walker (Fernando Cacciola) |
|---|
| 17 | // 25 Oct 2001 Initial boostification (Fernando Cacciola) |
|---|
| 18 | // 23 Jan 2004 Inital add to cvs (post review)s |
|---|
| 19 | // 22 Jun 2011 Added support for specializing cast policies via numeric_cast_traits (Brandon Kohn). |
|---|
| 20 | // |
|---|
| 21 | #ifndef BOOST_NUMERIC_CONVERSION_CAST_25OCT2001_HPP |
|---|
| 22 | #define BOOST_NUMERIC_CONVERSION_CAST_25OCT2001_HPP |
|---|
| 23 | |
|---|
| 24 | #include <boost/detail/workaround.hpp> |
|---|
| 25 | |
|---|
| 26 | #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582)) |
|---|
| 27 | |
|---|
| 28 | # include<boost/numeric/conversion/detail/old_numeric_cast.hpp> |
|---|
| 29 | |
|---|
| 30 | #else |
|---|
| 31 | |
|---|
| 32 | #include <boost/type.hpp> |
|---|
| 33 | #include <boost/numeric/conversion/converter.hpp> |
|---|
| 34 | #include <boost/numeric/conversion/numeric_cast_traits.hpp> |
|---|
| 35 | |
|---|
| 36 | namespace boost |
|---|
| 37 | { |
|---|
| 38 | template <typename Target, typename Source> |
|---|
| 39 | inline Target numeric_cast( Source arg ) |
|---|
| 40 | { |
|---|
| 41 | typedef numeric::conversion_traits<Target, Source> conv_traits; |
|---|
| 42 | typedef numeric::numeric_cast_traits<Target, Source> cast_traits; |
|---|
| 43 | typedef boost::numeric::converter |
|---|
| 44 | < |
|---|
| 45 | Target, |
|---|
| 46 | Source, |
|---|
| 47 | conv_traits, |
|---|
| 48 | typename cast_traits::overflow_policy, |
|---|
| 49 | typename cast_traits::rounding_policy, |
|---|
| 50 | boost::numeric::raw_converter< conv_traits >, |
|---|
| 51 | typename cast_traits::range_checking_policy |
|---|
| 52 | > converter; |
|---|
| 53 | return converter::convert(arg); |
|---|
| 54 | } |
|---|
| 55 | |
|---|
| 56 | using numeric::bad_numeric_cast; |
|---|
| 57 | } // namespace boost |
|---|
| 58 | |
|---|
| 59 | #endif |
|---|
| 60 | |
|---|
| 61 | #endif |
|---|
| 62 | |
|---|
