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