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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/detail/limits.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/detail/limits.hpp')
| m--------- | 3rdParty/Boost | 0 | ||||
| -rw-r--r-- | 3rdParty/Boost/boost/detail/limits.hpp | 449 |
2 files changed, 0 insertions, 449 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost new file mode 160000 +Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79 diff --git a/3rdParty/Boost/boost/detail/limits.hpp b/3rdParty/Boost/boost/detail/limits.hpp deleted file mode 100644 index 6f018df..0000000 --- a/3rdParty/Boost/boost/detail/limits.hpp +++ /dev/null @@ -1,449 +0,0 @@ -// Copyright 2001 John Maddock -// Distributed under the Boost Software License, Version 1.0. (See accompany- -// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) - -/* - * Copyright (c) 1997 - * Silicon Graphics Computer Systems, Inc. - * - * Permission to use, copy, modify, distribute and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and - * that both that copyright notice and this permission notice appear - * in supporting documentation. Silicon Graphics makes no - * representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied warranty. - */ - -/* NOTE: This is not portable code. Parts of numeric_limits<> are - * inherently machine-dependent, and this file is written for the MIPS - * architecture and the SGI MIPSpro C++ compiler. Parts of it (in - * particular, some of the characteristics of floating-point types) - * are almost certainly incorrect for any other platform. - */ - -/* The above comment is almost certainly out of date. This file works - * on systems other than SGI MIPSpro C++ now. - */ - -/* - * Revision history: - * 21 Sep 2001: - * Only include <cwchar> if BOOST_NO_CWCHAR is defined. (Darin Adler) - * 10 Aug 2001: - * Added MIPS (big endian) to the big endian family. (Jens Maurer) - * 13 Apr 2001: - * Added powerpc to the big endian family. (Jeremy Siek) - * 5 Apr 2001: - * Added sparc (big endian) processor support (John Maddock). - * Initial sub: - * Modified by Jens Maurer for gcc 2.95 on x86. - */ - -#ifndef BOOST_SGI_CPP_LIMITS -#define BOOST_SGI_CPP_LIMITS - -#include <climits> -#include <cfloat> -#include <boost/config.hpp> -#include <boost/detail/endian.hpp> - -#ifndef BOOST_NO_CWCHAR -#include <cwchar> // for WCHAR_MIN and WCHAR_MAX -#endif - -namespace std { - -enum float_round_style { - round_indeterminate = -1, - round_toward_zero = 0, - round_to_nearest = 1, - round_toward_infinity = 2, - round_toward_neg_infinity = 3 -}; - -enum float_denorm_style { - denorm_indeterminate = -1, - denorm_absent = 0, - denorm_present = 1 -}; - -// The C++ standard (section 18.2.1) requires that some of the members of -// numeric_limits be static const data members that are given constant- -// initializers within the class declaration. On compilers where the -// BOOST_NO_INCLASS_MEMBER_INITIALIZATION macro is defined, it is impossible to write -// a standard-conforming numeric_limits class. -// -// There are two possible workarounds: either initialize the data -// members outside the class, or change them from data members to -// enums. Neither workaround is satisfactory: the former makes it -// impossible to use the data members in constant-expressions, and the -// latter means they have the wrong type and that it is impossible to -// take their addresses. We choose the former workaround. - -#ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION -# define BOOST_STL_DECLARE_LIMITS_MEMBER(__mem_type, __mem_name, __mem_value) \ - enum { __mem_name = __mem_value } -#else /* BOOST_NO_INCLASS_MEMBER_INITIALIZATION */ -# define BOOST_STL_DECLARE_LIMITS_MEMBER(__mem_type, __mem_name, __mem_value) \ - static const __mem_type __mem_name = __mem_value -#endif /* BOOST_NO_INCLASS_MEMBER_INITIALIZATION */ - -// Base class for all specializations of numeric_limits. -template <class __number> -class _Numeric_limits_base { -public: - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_specialized, false); - - static __number min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return __number(); } - static __number max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return __number(); } - - BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits, 0); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits10, 0); - - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_signed, false); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_integer, false); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_exact, false); - - BOOST_STL_DECLARE_LIMITS_MEMBER(int, radix, 0); - - static __number epsilon() throw() { return __number(); } - static __number round_error() throw() { return __number(); } - - BOOST_STL_DECLARE_LIMITS_MEMBER(int, min_exponent, 0); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, min_exponent10, 0); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, max_exponent, 0); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, max_exponent10, 0); - - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_infinity, false); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_quiet_NaN, false); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_signaling_NaN, false); - BOOST_STL_DECLARE_LIMITS_MEMBER(float_denorm_style, - has_denorm, - denorm_absent); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_denorm_loss, false); - - static __number infinity() throw() { return __number(); } - static __number quiet_NaN() throw() { return __number(); } - static __number signaling_NaN() throw() { return __number(); } - static __number denorm_min() throw() { return __number(); } - - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_iec559, false); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_bounded, false); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_modulo, false); - - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, traps, false); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, tinyness_before, false); - BOOST_STL_DECLARE_LIMITS_MEMBER(float_round_style, - round_style, - round_toward_zero); -}; - -// Base class for integers. - -template <class _Int, - _Int __imin, - _Int __imax, - int __idigits = -1> -class _Integer_limits : public _Numeric_limits_base<_Int> -{ -public: - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_specialized, true); - - static _Int min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return __imin; } - static _Int max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return __imax; } - - BOOST_STL_DECLARE_LIMITS_MEMBER(int, - digits, - (__idigits < 0) ? (int)(sizeof(_Int) * CHAR_BIT) - - (__imin == 0 ? 0 : 1) - : __idigits); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits10, (digits * 301) / 1000); - // log 2 = 0.301029995664... - - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_signed, __imin != 0); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_integer, true); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_exact, true); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, radix, 2); - - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_bounded, true); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_modulo, true); -}; - -#if defined(BOOST_BIG_ENDIAN) - - template<class Number, unsigned int Word> - struct float_helper{ - static Number get_word() throw() { - // sizeof(long double) == 16 - const unsigned int _S_word[4] = { Word, 0, 0, 0 }; - return *reinterpret_cast<const Number*>(&_S_word); - } -}; - -#else - - template<class Number, unsigned int Word> - struct float_helper{ - static Number get_word() throw() { - // sizeof(long double) == 12, but only 10 bytes significant - const unsigned int _S_word[4] = { 0, 0, 0, Word }; - return *reinterpret_cast<const Number*>( - reinterpret_cast<const char *>(&_S_word)+16- - (sizeof(Number) == 12 ? 10 : sizeof(Number))); - } -}; - -#endif - -// Base class for floating-point numbers. -template <class __number, - int __Digits, int __Digits10, - int __MinExp, int __MaxExp, - int __MinExp10, int __MaxExp10, - unsigned int __InfinityWord, - unsigned int __QNaNWord, unsigned int __SNaNWord, - bool __IsIEC559, - float_round_style __RoundStyle> -class _Floating_limits : public _Numeric_limits_base<__number> -{ -public: - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_specialized, true); - - BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits, __Digits); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits10, __Digits10); - - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_signed, true); - - BOOST_STL_DECLARE_LIMITS_MEMBER(int, radix, 2); - - BOOST_STL_DECLARE_LIMITS_MEMBER(int, min_exponent, __MinExp); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, max_exponent, __MaxExp); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, min_exponent10, __MinExp10); - BOOST_STL_DECLARE_LIMITS_MEMBER(int, max_exponent10, __MaxExp10); - - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_infinity, true); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_quiet_NaN, true); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_signaling_NaN, true); - BOOST_STL_DECLARE_LIMITS_MEMBER(float_denorm_style, - has_denorm, - denorm_indeterminate); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_denorm_loss, false); - - - static __number infinity() throw() { - return float_helper<__number, __InfinityWord>::get_word(); - } - static __number quiet_NaN() throw() { - return float_helper<__number,__QNaNWord>::get_word(); - } - static __number signaling_NaN() throw() { - return float_helper<__number,__SNaNWord>::get_word(); - } - - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_iec559, __IsIEC559); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_bounded, true); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, traps, false /* was: true */ ); - BOOST_STL_DECLARE_LIMITS_MEMBER(bool, tinyness_before, false); - - BOOST_STL_DECLARE_LIMITS_MEMBER(float_round_style, round_style, __RoundStyle); -}; - -// Class numeric_limits - -// The unspecialized class. - -template<class T> -class numeric_limits : public _Numeric_limits_base<T> {}; - -// Specializations for all built-in integral types. - -template<> -class numeric_limits<bool> - : public _Integer_limits<bool, false, true, 0> -{}; - -template<> -class numeric_limits<char> - : public _Integer_limits<char, CHAR_MIN, CHAR_MAX> -{}; - -template<> -class numeric_limits<signed char> - : public _Integer_limits<signed char, SCHAR_MIN, SCHAR_MAX> -{}; - -template<> -class numeric_limits<unsigned char> - : public _Integer_limits<unsigned char, 0, UCHAR_MAX> -{}; - -#ifndef BOOST_NO_INTRINSIC_WCHAR_T -template<> -class numeric_limits<wchar_t> -#if !defined(WCHAR_MAX) || !defined(WCHAR_MIN) -#if defined(_WIN32) || defined(__CYGWIN__) - : public _Integer_limits<wchar_t, 0, USHRT_MAX> -#elif defined(__hppa) -// wchar_t has "unsigned int" as the underlying type - : public _Integer_limits<wchar_t, 0, UINT_MAX> -#else -// assume that wchar_t has "int" as the underlying type - : public _Integer_limits<wchar_t, INT_MIN, INT_MAX> -#endif -#else -// we have WCHAR_MIN and WCHAR_MAX defined, so use it - : public _Integer_limits<wchar_t, WCHAR_MIN, WCHAR_MAX> -#endif -{}; -#endif - -template<> -class numeric_limits<short> - : public _Integer_limits<short, SHRT_MIN, SHRT_MAX> -{}; - -template<> -class numeric_limits<unsigned short> - : public _Integer_limits<unsigned short, 0, USHRT_MAX> -{}; - -template<> -class numeric_limits<int> - : public _Integer_limits<int, INT_MIN, INT_MAX> -{}; - -template<> -class numeric_limits<unsigned int> - : public _Integer_limits<unsigned int, 0, UINT_MAX> -{}; - -template<> -class numeric_limits<long> - : public _Integer_limits<long, LONG_MIN, LONG_MAX> -{}; - -template<> -class numeric_limits<unsigned long> - : public _Integer_limits<unsigned long, 0, ULONG_MAX> -{}; - -#ifdef __GNUC__ - -// Some compilers have long long, but don't define the -// LONGLONG_MIN and LONGLONG_MAX macros in limits.h. This -// assumes that long long is 64 bits. -#if !defined(LONGLONG_MAX) && !defined(ULONGLONG_MAX) - -# define ULONGLONG_MAX 0xffffffffffffffffLLU -# define LONGLONG_MAX 0x7fffffffffffffffLL - -#endif - -#if !defined(LONGLONG_MIN) -# define LONGLONG_MIN (-LONGLONG_MAX - 1) -#endif - - -#if !defined(ULONGLONG_MIN) -# define ULONGLONG_MIN 0 -#endif - -#endif /* __GNUC__ */ - -// Specializations for all built-in floating-point type. - -template<> class numeric_limits<float> - : public _Floating_limits<float, - FLT_MANT_DIG, // Binary digits of precision - FLT_DIG, // Decimal digits of precision - FLT_MIN_EXP, // Minimum exponent - FLT_MAX_EXP, // Maximum exponent - FLT_MIN_10_EXP, // Minimum base 10 exponent - FLT_MAX_10_EXP, // Maximum base 10 exponent -#if defined(BOOST_BIG_ENDIAN) - 0x7f80 << (sizeof(int)*CHAR_BIT-16), // Last word of +infinity - 0x7f81 << (sizeof(int)*CHAR_BIT-16), // Last word of quiet NaN - 0x7fc1 << (sizeof(int)*CHAR_BIT-16), // Last word of signaling NaN -#else - 0x7f800000u, // Last word of +infinity - 0x7f810000u, // Last word of quiet NaN - 0x7fc10000u, // Last word of signaling NaN -#endif - true, // conforms to iec559 - round_to_nearest> -{ -public: - static float min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return FLT_MIN; } - static float denorm_min() throw() { return FLT_MIN; } - static float max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return FLT_MAX; } - static float epsilon() throw() { return FLT_EPSILON; } - static float round_error() throw() { return 0.5f; } // Units: ulps. -}; - -template<> class numeric_limits<double> - : public _Floating_limits<double, - DBL_MANT_DIG, // Binary digits of precision - DBL_DIG, // Decimal digits of precision - DBL_MIN_EXP, // Minimum exponent - DBL_MAX_EXP, // Maximum exponent - DBL_MIN_10_EXP, // Minimum base 10 exponent - DBL_MAX_10_EXP, // Maximum base 10 exponent -#if defined(BOOST_BIG_ENDIAN) - 0x7ff0 << (sizeof(int)*CHAR_BIT-16), // Last word of +infinity - 0x7ff1 << (sizeof(int)*CHAR_BIT-16), // Last word of quiet NaN - 0x7ff9 << (sizeof(int)*CHAR_BIT-16), // Last word of signaling NaN -#else - 0x7ff00000u, // Last word of +infinity - 0x7ff10000u, // Last word of quiet NaN - 0x7ff90000u, // Last word of signaling NaN -#endif - true, // conforms to iec559 - round_to_nearest> -{ -public: - static double min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return DBL_MIN; } - static double denorm_min() throw() { return DBL_MIN; } - static double max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return DBL_MAX; } - static double epsilon() throw() { return DBL_EPSILON; } - static double round_error() throw() { return 0.5; } // Units: ulps. -}; - -template<> class numeric_limits<long double> - : public _Floating_limits<long double, - LDBL_MANT_DIG, // Binary digits of precision - LDBL_DIG, // Decimal digits of precision - LDBL_MIN_EXP, // Minimum exponent - LDBL_MAX_EXP, // Maximum exponent - LDBL_MIN_10_EXP,// Minimum base 10 exponent - LDBL_MAX_10_EXP,// Maximum base 10 exponent -#if defined(BOOST_BIG_ENDIAN) - 0x7ff0 << (sizeof(int)*CHAR_BIT-16), // Last word of +infinity - 0x7ff1 << (sizeof(int)*CHAR_BIT-16), // Last word of quiet NaN - 0x7ff9 << (sizeof(int)*CHAR_BIT-16), // Last word of signaling NaN -#else - 0x7fff8000u, // Last word of +infinity - 0x7fffc000u, // Last word of quiet NaN - 0x7fff9000u, // Last word of signaling NaN -#endif - false, // Doesn't conform to iec559 - round_to_nearest> -{ -public: - static long double min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return LDBL_MIN; } - static long double denorm_min() throw() { return LDBL_MIN; } - static long double max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return LDBL_MAX; } - static long double epsilon() throw() { return LDBL_EPSILON; } - static long double round_error() throw() { return 4; } // Units: ulps. -}; - -} // namespace std - -#endif /* BOOST_SGI_CPP_LIMITS */ - -// Local Variables: -// mode:C++ -// End: - - - |