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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(BOOST_MSVC, < 1300) || 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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