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 (at) 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
