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author | Remko Tronçon <git@el-tramo.be> | 2010-02-11 12:14:00 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2010-02-11 12:14:00 (GMT) |
commit | 0efa7c32aaf21a29b42b5926cc116007056843be (patch) | |
tree | 882f663a5dd0e65694bf6077b71086dd77fd7ff8 /3rdParty/Boost/boost/numeric/conversion/converter_policies.hpp | |
parent | 1d20eabbc32274b491b4c2bedf73d19933d97bfd (diff) | |
download | swift-contrib-0efa7c32aaf21a29b42b5926cc116007056843be.zip swift-contrib-0efa7c32aaf21a29b42b5926cc116007056843be.tar.bz2 |
Moved some modules into separate git modules.
Diffstat (limited to '3rdParty/Boost/boost/numeric/conversion/converter_policies.hpp')
m--------- | 3rdParty/Boost | 0 | ||||
-rw-r--r-- | 3rdParty/Boost/boost/numeric/conversion/converter_policies.hpp | 186 |
2 files changed, 0 insertions, 186 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost new file mode 160000 +Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79 diff --git a/3rdParty/Boost/boost/numeric/conversion/converter_policies.hpp b/3rdParty/Boost/boost/numeric/conversion/converter_policies.hpp deleted file mode 100644 index b0d741b..0000000 --- a/3rdParty/Boost/boost/numeric/conversion/converter_policies.hpp +++ /dev/null @@ -1,186 +0,0 @@ -// (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 -// -#ifndef BOOST_NUMERIC_CONVERSION_CONVERTER_POLICIES_FLC_12NOV2002_HPP -#define BOOST_NUMERIC_CONVERSION_CONVERTER_POLICIES_FLC_12NOV2002_HPP - -#include <typeinfo> // for std::bad_cast - -#include <boost/config/no_tr1/cmath.hpp> // for std::floor and std::ceil - -#include <functional> - -#include "boost/type_traits/is_arithmetic.hpp" - -#include "boost/mpl/if.hpp" -#include "boost/mpl/integral_c.hpp" - -namespace boost { namespace numeric -{ - -template<class S> -struct Trunc -{ - typedef S source_type ; - - typedef typename mpl::if_< is_arithmetic<S>,S,S const&>::type argument_type ; - - static source_type nearbyint ( argument_type s ) - { -#if !defined(BOOST_NO_STDC_NAMESPACE) - using std::floor ; - using std::ceil ; -#endif - - return s < static_cast<S>(0) ? ceil(s) : floor(s) ; - } - - typedef mpl::integral_c< std::float_round_style, std::round_toward_zero> round_style ; -} ; - - - -template<class S> -struct Floor -{ - typedef S source_type ; - - typedef typename mpl::if_< is_arithmetic<S>,S,S const&>::type argument_type ; - - static source_type nearbyint ( argument_type s ) - { -#if !defined(BOOST_NO_STDC_NAMESPACE) - using std::floor ; -#endif - - return floor(s) ; - } - - typedef mpl::integral_c< std::float_round_style, std::round_toward_neg_infinity> round_style ; -} ; - -template<class S> -struct Ceil -{ - typedef S source_type ; - - typedef typename mpl::if_< is_arithmetic<S>,S,S const&>::type argument_type ; - - static source_type nearbyint ( argument_type s ) - { -#if !defined(BOOST_NO_STDC_NAMESPACE) - using std::ceil ; -#endif - - return ceil(s) ; - } - - typedef mpl::integral_c< std::float_round_style, std::round_toward_infinity> round_style ; -} ; - -template<class S> -struct RoundEven -{ - typedef S source_type ; - - typedef typename mpl::if_< is_arithmetic<S>,S,S const&>::type argument_type ; - - static source_type nearbyint ( argument_type s ) - { - // Algorithm contributed by Guillaume Melquiond - -#if !defined(BOOST_NO_STDC_NAMESPACE) - using std::floor ; - using std::ceil ; -#endif - - // only works inside the range not at the boundaries - S prev = floor(s); - S next = ceil(s); - - S rt = (s - prev) - (next - s); // remainder type - - S const zero(0.0); - S const two(2.0); - - if ( rt < zero ) - return prev; - else if ( rt > zero ) - return next; - else - { - bool is_prev_even = two * floor(prev / two) == prev ; - return ( is_prev_even ? prev : next ) ; - } - } - - typedef mpl::integral_c< std::float_round_style, std::round_to_nearest> round_style ; -} ; - - -enum range_check_result -{ - cInRange = 0 , - cNegOverflow = 1 , - cPosOverflow = 2 -} ; - -class bad_numeric_cast : public std::bad_cast -{ - public: - - virtual const char * what() const throw() - { return "bad numeric conversion: overflow"; } -}; - -class negative_overflow : public bad_numeric_cast -{ - public: - - virtual const char * what() const throw() - { return "bad numeric conversion: negative overflow"; } -}; -class positive_overflow : public bad_numeric_cast -{ - public: - - virtual const char * what() const throw() - { return "bad numeric conversion: positive overflow"; } -}; - -struct def_overflow_handler -{ - void operator() ( range_check_result r ) // throw(negative_overflow,positive_overflow) - { - if ( r == cNegOverflow ) - throw negative_overflow() ; - else if ( r == cPosOverflow ) - throw positive_overflow() ; - } -} ; - -struct silent_overflow_handler -{ - void operator() ( range_check_result ) {} // throw() -} ; - -template<class Traits> -struct raw_converter -{ - typedef typename Traits::result_type result_type ; - typedef typename Traits::argument_type argument_type ; - - static result_type low_level_convert ( argument_type s ) { return static_cast<result_type>(s) ; } -} ; - -struct UseInternalRangeChecker {} ; - -} } // namespace boost::numeric - -#endif |