williamr@2: /*
williamr@2:  * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.
williamr@2:  * Copyright (c) 1997
williamr@2:  * Silicon Graphics Computer Systems, Inc.
williamr@2:  *
williamr@2:  * Copyright (c) 1999 
williamr@2:  * Boris Fomitchev
williamr@2:  *
williamr@2:  * This material is provided "as is", with absolutely no warranty expressed
williamr@2:  * or implied. Any use is at your own risk.
williamr@2:  *
williamr@2:  * Permission to use or copy this software for any purpose is hereby granted 
williamr@2:  * without fee, provided the above notices are retained on all copies.
williamr@2:  * Permission to modify the code and to distribute modified code is granted,
williamr@2:  * provided the above notices are retained, and a notice that the code was
williamr@2:  * modified is included with the above copyright notice.
williamr@2:  *
williamr@2:  */
williamr@2: 
williamr@2: /* NOTE: This may be not portable code. Parts of numeric_limits<> are
williamr@2:  * inherently machine-dependent.  At present this file is suitable
williamr@2:  * for the MIPS, SPARC, Alpha and ia32 architectures.
williamr@2:  */
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_LIMITS_H
williamr@2: # define _STLP_INTERNAL_LIMITS_H
williamr@2: 
williamr@2: #ifndef _STLP_CLIMITS
williamr@2: # include <climits>
williamr@2: #endif
williamr@2: 
williamr@2: #ifndef _STLP_CFLOAT
williamr@2: # include <cfloat>
williamr@2: #endif
williamr@2: 
williamr@2: #if !defined (_STLP_NO_WCHAR_T) && !defined (_STLP_CWCHAR_H)
williamr@2: # include <stl/_cwchar.h>
williamr@2: #endif
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: 
williamr@2: enum float_round_style {
williamr@2:   round_indeterminate       = -1,
williamr@2:   round_toward_zero         =  0,
williamr@2:   round_to_nearest          =  1,
williamr@2:   round_toward_infinity     =  2,
williamr@2:   round_toward_neg_infinity =  3
williamr@2: };
williamr@2: 
williamr@2: enum float_denorm_style {
williamr@2:   denorm_indeterminate = -1,
williamr@2:   denorm_absent        =  0,
williamr@2:   denorm_present       =  1
williamr@2: };
williamr@2: 
williamr@2: // Base class for all specializations of numeric_limits.
williamr@2: 
williamr@2: template <class __number>
williamr@2: class _Numeric_limits_base {
williamr@2: public:
williamr@2: 
williamr@2:   static __number (_STLP_CALL min)() _STLP_NOTHROW { return __number(); }
williamr@2:   static __number (_STLP_CALL max)() _STLP_NOTHROW { return __number(); }
williamr@2: 
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   enum {
williamr@2: # else
williamr@2:   static const int 
williamr@2: # endif
williamr@2:   
williamr@2:   digits = 0,
williamr@2:   digits10 = 0,
williamr@2:   radix = 0,
williamr@2:   min_exponent = 0,
williamr@2:   min_exponent10 = 0,
williamr@2:   max_exponent = 0,
williamr@2:   max_exponent10 = 0
williamr@2: 
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   ,  
williamr@2:   has_denorm = denorm_absent,
williamr@2:   round_style = round_toward_zero,
williamr@2: # else
williamr@2:   ;
williamr@2:   static const float_denorm_style has_denorm =  denorm_absent;
williamr@2:   static const float_round_style round_style = round_toward_zero;
williamr@2:   static const bool 
williamr@2: # endif
williamr@2: 
williamr@2:     is_specialized = false,
williamr@2:     is_signed  = false,
williamr@2:     is_integer = false,
williamr@2:     is_exact = false,
williamr@2:     has_infinity = false,
williamr@2:     has_quiet_NaN = false,
williamr@2:     has_signaling_NaN = false,
williamr@2:     has_denorm_loss = false,
williamr@2:     is_iec559 = false,
williamr@2:     is_bounded = false,
williamr@2:     is_modulo = false,
williamr@2:     traps = false,
williamr@2:     tinyness_before = false
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   }
williamr@2: # endif
williamr@2:   ;
williamr@2:     
williamr@2:   static __number _STLP_CALL epsilon() _STLP_NOTHROW     { return __number(); }
williamr@2:   static __number _STLP_CALL round_error() _STLP_NOTHROW { return __number(); }
williamr@2: 
williamr@2:   static __number _STLP_CALL infinity() _STLP_NOTHROW      { return __number(); }
williamr@2:   static __number _STLP_CALL quiet_NaN() _STLP_NOTHROW     { return __number(); }
williamr@2:   static __number _STLP_CALL signaling_NaN() _STLP_NOTHROW { return __number(); }
williamr@2:   static __number _STLP_CALL denorm_min() _STLP_NOTHROW    { return __number(); }
williamr@2: 
williamr@2: 
williamr@2: };
williamr@2: 
williamr@2: // Base class for integers.
williamr@2: 
williamr@2: # ifdef _STLP_LIMITED_DEFAULT_TEMPLATES
williamr@2: #  ifdef _STLP_LONG_LONG
williamr@2: #   define _STLP_LIMITS_MIN_TYPE _STLP_LONG_LONG
williamr@2: #   define _STLP_LIMITS_MAX_TYPE unsigned _STLP_LONG_LONG
williamr@2: #  else
williamr@2: #   define _STLP_LIMITS_MIN_TYPE long
williamr@2: #   define _STLP_LIMITS_MAX_TYPE unsigned long
williamr@2: #  endif
williamr@2: # else
williamr@2: #   define _STLP_LIMITS_MIN_TYPE _Int
williamr@2: #   define _STLP_LIMITS_MAX_TYPE _Int
williamr@2: # endif /* _STLP_LIMITED_DEFAULT_TEMPLATES */
williamr@2: 
williamr@2: template <class _Int,
williamr@2:           _STLP_LIMITS_MIN_TYPE __imin,
williamr@2:           _STLP_LIMITS_MAX_TYPE __imax,
williamr@2:           int __idigits, bool __ismod>
williamr@2: class _Integer_limits : public _Numeric_limits_base<_Int> 
williamr@2: {
williamr@2: public:
williamr@2: 
williamr@2:   static _Int (_STLP_CALL min) () _STLP_NOTHROW { return (_Int)__imin; }
williamr@2:   static _Int (_STLP_CALL max) () _STLP_NOTHROW { return (_Int)__imax; }
williamr@2: 
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   enum {
williamr@2: # else
williamr@2:   static const int 
williamr@2: # endif  
williamr@2:   digits = (__idigits < 0) ?
williamr@2:   ((int)((sizeof(_Int) * (CHAR_BIT))) - ((__imin == 0) ? 0 : 1))
williamr@2:   : (__idigits),
williamr@2:   digits10 = (digits * 301UL) / 1000,
williamr@2:   radix = 2
williamr@2: # if ! defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   ;
williamr@2:   static const bool
williamr@2: # else
williamr@2:   ,
williamr@2: # endif
williamr@2:   is_specialized = true,
williamr@2:   is_signed = (__imin != 0),
williamr@2:   is_integer = true,
williamr@2:   is_exact = true,
williamr@2:   is_bounded = true,
williamr@2:   is_modulo = __ismod
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   }
williamr@2: # endif
williamr@2:   ;
williamr@2: };
williamr@2: 
williamr@2: // Base class for floating-point numbers.
williamr@2: template <class __number,
williamr@2:          int __Digits, int __Digits10,
williamr@2:          int __MinExp, int __MaxExp,
williamr@2:          int __MinExp10, int __MaxExp10,
williamr@2:          bool __IsIEC559,
williamr@2:          float_round_style __RoundStyle>
williamr@2: class _Floating_limits : public _Numeric_limits_base<__number>
williamr@2: {
williamr@2: public:
williamr@2: 
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   enum {
williamr@2: # else
williamr@2:   static const int 
williamr@2: # endif  
williamr@2: 
williamr@2:   digits = __Digits,
williamr@2:   digits10 = __Digits10,
williamr@2: 
williamr@2:   radix = (  FLT_RADIX /* 2 */ ),
williamr@2:   min_exponent = __MinExp, 
williamr@2:   max_exponent = __MaxExp,
williamr@2:   min_exponent10 = __MinExp10,
williamr@2:   max_exponent10 = __MaxExp10
williamr@2: 
williamr@2: # if defined (_STLP_STATIC_CONST_INIT_BUG)
williamr@2:   ,  
williamr@2:   has_denorm = denorm_indeterminate,
williamr@2:   round_style = __RoundStyle,
williamr@2: # else
williamr@2:   ;
williamr@2:   static const float_denorm_style has_denorm = denorm_indeterminate;
williamr@2:   static const float_round_style round_style = __RoundStyle;
williamr@2:   static const bool 
williamr@2: # endif
williamr@2: 
williamr@2:   is_specialized = true,
williamr@2:   is_signed = true, 
williamr@2: 
williamr@2: #if (!defined(_CRAY) || !defined(_CRAYIEEE))
williamr@2:    has_infinity     =  true,
williamr@2:    has_quiet_NaN    =  true,
williamr@2:    has_signaling_NaN=  true,
williamr@2: #else
williamr@2:   has_infinity     =  false,
williamr@2:   has_quiet_NaN    =  false,
williamr@2:   has_signaling_NaN=  false,
williamr@2: #endif
williamr@2: 
williamr@2:   has_denorm_loss  =  false,
williamr@2:   is_iec559      =  __IsIEC559,
williamr@2:   is_bounded     =  true,
williamr@2:   traps          =  true,
williamr@2:   tinyness_before=  false
williamr@2: 
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   }
williamr@2: # endif
williamr@2:   ;
williamr@2: 
williamr@2: };
williamr@2: 
williamr@2: // Class numeric_limits
williamr@2: 
williamr@2: // The unspecialized class.
williamr@2: 
williamr@2: template<class _Tp> 
williamr@2: class numeric_limits : public _Numeric_limits_base<_Tp> {};
williamr@2: 
williamr@2: // Specializations for all built-in integral types.
williamr@2: 
williamr@2: #ifndef _STLP_NO_BOOL
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<bool>
williamr@2:   : public _Integer_limits<bool, false, true, 1, false>
williamr@2: {};
williamr@2: 
williamr@2: #endif /* _STLP_NO_BOOL */
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<char>
williamr@2:   : public _Integer_limits<char, CHAR_MIN, CHAR_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: # ifndef _STLP_NO_SIGNED_BUILTINS
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<signed char>
williamr@2:   : public _Integer_limits<signed char, SCHAR_MIN, SCHAR_MAX, -1, true>
williamr@2: {};
williamr@2: # endif
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<unsigned char>
williamr@2:   : public _Integer_limits<unsigned char, 0, UCHAR_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: #ifdef __SYMBIAN32__
williamr@2: #if !defined ( _STLP_NO_WCHAR_T )
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<wchar_t>
williamr@2:   : public _Integer_limits<wchar_t, WCHAR_MIN, WCHAR_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: #endif
williamr@2: #else
williamr@2: #if !(defined ( _STLP_NO_WCHAR_T ) || defined (_STLP_WCHAR_T_IS_USHORT))
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<wchar_t>
williamr@2:   : public _Integer_limits<wchar_t, WCHAR_MIN, WCHAR_MAX, -1, true>
williamr@2: {};
williamr@2: #endif
williamr@2: #endif
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<short>
williamr@2:   : public _Integer_limits<short, SHRT_MIN, SHRT_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<unsigned short>
williamr@2:   : public _Integer_limits<unsigned short, 0, USHRT_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: # if defined (__xlC__) && (__xlC__ == 0x500)
williamr@2: #  undef INT_MIN
williamr@2: #  define INT_MIN -2147483648
williamr@2: # endif
williamr@2: 
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<int>
williamr@2:   : public _Integer_limits<int, INT_MIN, INT_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<unsigned int>
williamr@2:   : public _Integer_limits<unsigned int, 0, UINT_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<long>
williamr@2:   : public _Integer_limits<long, LONG_MIN, LONG_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<unsigned long>
williamr@2:   : public _Integer_limits<unsigned long, 0, ULONG_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: #ifdef _STLP_LONG_LONG
williamr@2: 
williamr@2: # if defined (_STLP_MSVC) || defined (__BORLANDC__)
williamr@2: 
williamr@2: #    define LONGLONG_MAX     0x7fffffffffffffffi64
williamr@2: #    define LONGLONG_MIN     (-LONGLONG_MAX-1i64)
williamr@2: #    define ULONGLONG_MAX    0xffffffffffffffffUi64
williamr@2: 
williamr@2: # else
williamr@2: 
williamr@2: #  ifndef   LONGLONG_MAX
williamr@2: #    define LONGLONG_MAX     0x7fffffffffffffffLL
williamr@2: #  endif
williamr@2: #  ifndef   LONGLONG_MIN
williamr@2: #    define LONGLONG_MIN     (-LONGLONG_MAX-1LL)
williamr@2: #  endif
williamr@2: #  ifndef   ULONGLONG_MAX
williamr@2: #    define ULONGLONG_MAX    0xffffffffffffffffULL
williamr@2: #  endif
williamr@2: 
williamr@2: # endif
williamr@2: 
williamr@2: #if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ <= 96)
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<_STLP_LONG_LONG>
williamr@2:   : public _Integer_limits<_STLP_LONG_LONG, LONGLONG_MIN, LONGLONG_MAX, -1, true>
williamr@2: {};
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<unsigned _STLP_LONG_LONG>
williamr@2:   : public _Integer_limits<unsigned _STLP_LONG_LONG, 0, ULONGLONG_MAX, -1, true>
williamr@2: {};
williamr@2: #else /* gcc 2.97 (after 2000-11-01), 2.98, 3.0 */
williamr@2: /*
williamr@2:  newest gcc has new mangling scheme, that has problem
williamr@2:  with generating name [instantiated] of template specialization like
williamr@2:  _Integer_limits<_STLP_LONG_LONG, LONGLONG_MIN, LONGLONG_MAX, -1, true>
williamr@2:                                   ~~~~~~~~~~~~  ~~~~~~~~~~~~
williamr@2:  Below is code that solve this problem.
williamr@2:    - ptr
williamr@2:  */
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<_STLP_LONG_LONG>
williamr@2:   : public _Numeric_limits_base<_STLP_LONG_LONG> 
williamr@2: {
williamr@2: public:
williamr@2: 
williamr@2:   static _STLP_LONG_LONG (_STLP_CALL min) () _STLP_NOTHROW { return LONGLONG_MIN; }
williamr@2:   static _STLP_LONG_LONG (_STLP_CALL max) () _STLP_NOTHROW { return LONGLONG_MAX; }
williamr@2: 
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   enum {
williamr@2: # else
williamr@2:   static const int 
williamr@2: # endif  
williamr@2:   digits = ((int)((sizeof(_STLP_LONG_LONG) * (CHAR_BIT))) - 1),
williamr@2:   digits10 = (digits * 301UL) / 1000,
williamr@2:   radix = 2
williamr@2: # if ! defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   ;
williamr@2:   static const bool
williamr@2: # else
williamr@2:   ,
williamr@2: # endif
williamr@2:   is_specialized = true,
williamr@2:   is_signed = true,
williamr@2:   is_integer = true,
williamr@2:   is_exact = true,
williamr@2:   is_bounded = true,
williamr@2:   is_modulo = true
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   }
williamr@2: # endif
williamr@2:   ;
williamr@2: };
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class   numeric_limits<unsigned _STLP_LONG_LONG>
williamr@2:   : public _Numeric_limits_base<unsigned _STLP_LONG_LONG> 
williamr@2: {
williamr@2: public:
williamr@2: 
williamr@2:   static unsigned _STLP_LONG_LONG (_STLP_CALL min) () _STLP_NOTHROW { return 0ULL; }
williamr@2:   static unsigned _STLP_LONG_LONG (_STLP_CALL max) () _STLP_NOTHROW { return ULONGLONG_MAX; }
williamr@2: 
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   enum {
williamr@2: # else
williamr@2:   static const int 
williamr@2: # endif  
williamr@2:   digits = ((int)((sizeof(unsigned _STLP_LONG_LONG) * (CHAR_BIT)))),
williamr@2:   digits10 = (digits * 301UL) / 1000,
williamr@2:   radix = 2
williamr@2: # if ! defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   ;
williamr@2:   static const bool
williamr@2: # else
williamr@2:   ,
williamr@2: # endif
williamr@2:   is_specialized = true,
williamr@2:   is_signed = false,
williamr@2:   is_integer = true,
williamr@2:   is_exact = true,
williamr@2:   is_bounded = true,
williamr@2:   is_modulo = true
williamr@2: # if defined ( _STLP_STATIC_CONST_INIT_BUG)
williamr@2:   }
williamr@2: # endif
williamr@2:   ;
williamr@2: };
williamr@2: 
williamr@2: # endif /* __GNUC__ > 2000-11-01 */
williamr@2: 
williamr@2: #endif /* _STLP_LONG_LONG */
williamr@2: 
williamr@2: // Specializations for all built-in floating-point types.
williamr@2: 
williamr@2: union _F_rep
williamr@2: {
williamr@2:   unsigned short rep[2];
williamr@2:   float val;
williamr@2: };
williamr@2: union _D_rep
williamr@2: {
williamr@2:   unsigned short rep[4];
williamr@2:   double val;
williamr@2: };
williamr@2: 
williamr@2: # ifndef _STLP_NO_LONG_DOUBLE
williamr@2: union _L_rep
williamr@2: {
williamr@2:   unsigned short rep[8];
williamr@2:   long double val;
williamr@2: };
williamr@2: # endif
williamr@2: 
williamr@2: template <class __dummy>
williamr@2: class _LimG 
williamr@2: {
williamr@2: public:  
williamr@2:   static const _F_rep _F_inf;
williamr@2:   static const _F_rep _F_qNaN;
williamr@2:   static const _F_rep _F_sNaN;
williamr@2:   static const _D_rep _D_inf;
williamr@2:   static const _D_rep _D_qNaN;
williamr@2:   static const _D_rep _D_sNaN;
williamr@2:   
williamr@2: # ifndef _STLP_NO_LONG_DOUBLE
williamr@2:   static const _L_rep _L_inf;
williamr@2:   static const _L_rep _L_qNaN;
williamr@2:   static const _L_rep _L_sNaN;
williamr@2: # endif
williamr@2: };
williamr@2: 
williamr@2: # if defined (_STLP_USE_TEMPLATE_EXPORT) 
williamr@2: _STLP_EXPORT_TEMPLATE_CLASS _LimG<bool>;
williamr@2: # endif
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL class   numeric_limits<float>
williamr@2:   : public _Floating_limits<float, 
williamr@2:                             FLT_MANT_DIG,   // Binary digits of precision
williamr@2:                             FLT_DIG,        // Decimal digits of precision
williamr@2:                             FLT_MIN_EXP,    // Minimum exponent
williamr@2:                             FLT_MAX_EXP,    // Maximum exponent
williamr@2:                             FLT_MIN_10_EXP, // Minimum base 10 exponent
williamr@2:                             FLT_MAX_10_EXP, // Maximum base 10 exponent
williamr@2:                             true,           // conforms to iec559
williamr@2:                             round_to_nearest>
williamr@2: {
williamr@2: public:
williamr@2:   static float (_STLP_CALL min) () _STLP_NOTHROW { return FLT_MIN; }
williamr@2:   static float _STLP_CALL denorm_min() _STLP_NOTHROW { return FLT_MIN; }
williamr@2:   static float (_STLP_CALL max) () _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return FLT_MAX; }
williamr@2:   static float _STLP_CALL epsilon() _STLP_NOTHROW { return FLT_EPSILON; }
williamr@2:   static float _STLP_CALL round_error() _STLP_NOTHROW { return 0.5f; } // Units: ulps.
williamr@2:   static  float _STLP_CALL infinity() { return _LimG<bool>::_F_inf.val; }
williamr@2:   static  float _STLP_CALL quiet_NaN() { return _LimG<bool>::_F_qNaN.val; }
williamr@2:   static  float _STLP_CALL signaling_NaN() { return _LimG<bool>::_F_sNaN.val; }
williamr@2: };
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL class   numeric_limits<double>
williamr@2:   : public _Floating_limits<double, 
williamr@2:                             DBL_MANT_DIG,   // Binary digits of precision
williamr@2:                             DBL_DIG,        // Decimal digits of precision
williamr@2:                             DBL_MIN_EXP,    // Minimum exponent
williamr@2:                             DBL_MAX_EXP,    // Maximum exponent
williamr@2:                             DBL_MIN_10_EXP, // Minimum base 10 exponent
williamr@2:                             DBL_MAX_10_EXP, // Maximum base 10 exponent
williamr@2:                             true,           // conforms to iec559
williamr@2:                             round_to_nearest>
williamr@2: {
williamr@2: public:
williamr@2:   static double (_STLP_CALL min)() _STLP_NOTHROW { return DBL_MIN; }
williamr@2:   static double _STLP_CALL denorm_min() _STLP_NOTHROW { return DBL_MIN; }
williamr@2:   static double (_STLP_CALL max)() _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return DBL_MAX; }
williamr@2:   static double _STLP_CALL epsilon() _STLP_NOTHROW { return DBL_EPSILON; }
williamr@2:   static double _STLP_CALL round_error() _STLP_NOTHROW { return 0.5; } // Units: ulps.
williamr@2:   static  double _STLP_CALL infinity() { return _LimG<bool>::_D_inf.val; }
williamr@2:   static  double _STLP_CALL quiet_NaN(){ return _LimG<bool>::_D_qNaN.val; }
williamr@2:   static  double _STLP_CALL signaling_NaN() { return _LimG<bool>::_D_sNaN.val; }
williamr@2: };
williamr@2: 
williamr@2: # ifndef _STLP_NO_LONG_DOUBLE
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL 
williamr@2: class   numeric_limits<long double>
williamr@2:   : public _Floating_limits<long double, 
williamr@2:                             LDBL_MANT_DIG,  // Binary digits of precision
williamr@2:                             LDBL_DIG,       // Decimal digits of precision
williamr@2:                             LDBL_MIN_EXP,   // Minimum exponent
williamr@2:                             LDBL_MAX_EXP,   // Maximum exponent
williamr@2:                             LDBL_MIN_10_EXP,// Minimum base 10 exponent
williamr@2:                             LDBL_MAX_10_EXP,// Maximum base 10 exponent
williamr@2:                             false,          // Doesn't conform to iec559
williamr@2:                             round_to_nearest>
williamr@2: {
williamr@2: public:
williamr@2:   static long double (_STLP_CALL min) () _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return LDBL_MIN; }
williamr@2:   static long double _STLP_CALL denorm_min() _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return LDBL_MIN; }
williamr@2:   static long double (_STLP_CALL max) () _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return LDBL_MAX; }
williamr@2:   static long double _STLP_CALL epsilon() _STLP_NOTHROW { return LDBL_EPSILON; }
williamr@2:   static long double _STLP_CALL round_error() _STLP_NOTHROW { return 4; } // Units: ulps.
williamr@2:   static long double _STLP_CALL infinity() { return _LimG<bool>::_L_inf.val; } 
williamr@2:   static long double _STLP_CALL quiet_NaN() { return _LimG<bool>::_L_qNaN.val; }
williamr@2:   static long double _STLP_CALL signaling_NaN() { return _LimG<bool>::_L_sNaN.val; }
williamr@2: };
williamr@2: 
williamr@2: # endif
williamr@2: 
williamr@2: // We write special values (Inf and NaN) as bit patterns and 
williamr@2: // cast the the appropriate floating-point types. 
williamr@2: _STLP_END_NAMESPACE
williamr@2: 
williamr@2: # if !defined (_STLP_LINK_TIME_INSTANTIATION)
williamr@2: #  include <stl/_limits.c>
williamr@2: # endif
williamr@2: 
williamr@2: #endif
williamr@2: 
williamr@2: // Local Variables:
williamr@2: // mode:C++
williamr@2: // End: