438 lines
13 KiB
Plaintext
438 lines
13 KiB
Plaintext
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// limits standard header
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#ifndef _LIMITS_
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#define _LIMITS_
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#include <ymath.h>
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#include <cfloat>
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#include <climits>
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#include <cmath>
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#include <cwchar>
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#include <xstddef>
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#ifdef _MSC_VER
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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// ASSUMES:
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// wraparound 2's complement integer arithmetic w/o traps
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// all CHAR_BITs of each byte used by integers
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// IEC559 (IEEE 754) floating-point arithmetic
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// floating-point errors can trap
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// tinyness detected before floating-point rounding
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_STD_BEGIN
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// ENUM float_round_style
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typedef enum {
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round_indeterminate = -1, round_toward_zero = 0,
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round_to_nearest = 1, round_toward_infinity = 2,
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round_toward_neg_infinity = 3} float_round_style;
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// STRUCT _Num_base
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struct _CRTIMP2 _Num_base {
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_STCONS(bool, has_denorm, false);
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_STCONS(bool, has_denorm_loss, false);
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_STCONS(bool, has_infinity, false);
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_STCONS(bool, has_quiet_NaN, false);
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_STCONS(bool, has_signaling_NaN, false);
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_STCONS(bool, is_bounded, false);
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_STCONS(bool, is_exact, false);
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_STCONS(bool, is_iec559, false);
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_STCONS(bool, is_integer, false);
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_STCONS(bool, is_modulo, false);
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_STCONS(bool, is_signed, false);
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_STCONS(bool, is_specialized, false);
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_STCONS(bool, tinyness_before, false);
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_STCONS(bool, traps, false);
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_STCONS(float_round_style, round_style, round_toward_zero);
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_STCONS(int, digits, 0);
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_STCONS(int, digits10, 0);
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_STCONS(int, max_exponent, 0);
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_STCONS(int, max_exponent10, 0);
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_STCONS(int, min_exponent, 0);
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_STCONS(int, min_exponent10, 0);
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_STCONS(int, radix, 0);
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};
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// TEMPLATE CLASS numeric_limits
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template<class _Ty> class numeric_limits : public _Num_base {
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public:
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static _Ty (__cdecl min)() _THROW0()
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{return (_Ty(0)); }
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static _Ty (__cdecl max)() _THROW0()
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{return (_Ty(0)); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (_Ty(0)); }
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static _Ty __cdecl round_error() _THROW0()
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{return (_Ty(0)); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (_Ty(0)); }
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static _Ty __cdecl infinity() _THROW0()
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{return (_Ty(0)); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (_Ty(0)); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (_Ty(0)); }
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};
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// STRUCT _Num_int_base
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struct _CRTIMP2 _Num_int_base : public _Num_base {
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_STCONS(bool, is_bounded, true);
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_STCONS(bool, is_exact, true);
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_STCONS(bool, is_integer, true);
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_STCONS(bool, is_modulo, true);
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_STCONS(bool, is_specialized, true);
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_STCONS(int, radix, 2);
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};
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// STRUCT _Num_float_base
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struct _CRTIMP2 _Num_float_base : public _Num_base {
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_STCONS(bool, has_denorm, true);
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_STCONS(bool, has_denorm_loss, true);
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_STCONS(bool, has_infinity, true);
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_STCONS(bool, has_quiet_NaN, true);
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_STCONS(bool, has_signaling_NaN, true);
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_STCONS(bool, is_bounded, true);
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_STCONS(bool, is_exact, false);
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_STCONS(bool, is_iec559, true);
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_STCONS(bool, is_integer, false);
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_STCONS(bool, is_modulo, false);
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_STCONS(bool, is_signed, true);
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_STCONS(bool, is_specialized, true);
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_STCONS(bool, tinyness_before, true);
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_STCONS(bool, traps, true);
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_STCONS(float_round_style, round_style, round_to_nearest);
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_STCONS(int, radix, FLT_RADIX);
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};
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// CLASS numeric_limits<char>
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class _CRTIMP2 numeric_limits<char> : public _Num_int_base {
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public:
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typedef char _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (CHAR_MIN); }
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static _Ty (__cdecl max)() _THROW0()
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{return (CHAR_MAX); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (0); }
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static _Ty __cdecl round_error() _THROW0()
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{return (0); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (0); }
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static _Ty __cdecl infinity() _THROW0()
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{return (0); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (0); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (0); }
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_STCONS(bool, is_signed, CHAR_MIN < 0);
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_STCONS(int, digits, CHAR_BIT - (CHAR_MIN < 0 ? 1 : 0));
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_STCONS(int, digits10, (CHAR_BIT - (CHAR_MIN < 0 ? 1 : 0))
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* 301L / 1000);
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};
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// CLASS numeric_limits<_Bool>
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class _CRTIMP2 numeric_limits<_Bool> : public _Num_int_base {
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public:
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typedef bool _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (false); }
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static _Ty (__cdecl max)() _THROW0()
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{return (true); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (0); }
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static _Ty __cdecl round_error() _THROW0()
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{return (0); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (0); }
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static _Ty __cdecl infinity() _THROW0()
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{return (0); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (0); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (0); }
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_STCONS(bool, is_signed, false);
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_STCONS(int, digits, 1);
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_STCONS(int, digits10, 0);
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};
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// CLASS numeric_limits<signed char>
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class _CRTIMP2 numeric_limits<signed char> : public _Num_int_base {
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public:
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typedef signed char _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (SCHAR_MIN); }
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static _Ty (__cdecl max)() _THROW0()
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{return (SCHAR_MAX); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (0); }
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static _Ty __cdecl round_error() _THROW0()
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{return (0); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (0); }
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static _Ty __cdecl infinity() _THROW0()
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{return (0); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (0); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (0); }
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_STCONS(bool, is_signed, true);
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_STCONS(int, digits, CHAR_BIT - 1);
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_STCONS(int, digits10, (CHAR_BIT - 1) * 301L / 1000);
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};
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// CLASS numeric_limits<unsigned char>
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class _CRTIMP2 numeric_limits<unsigned char> : public _Num_int_base {
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public:
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typedef unsigned char _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (0); }
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static _Ty (__cdecl max)() _THROW0()
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{return (UCHAR_MAX); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (0); }
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static _Ty __cdecl round_error() _THROW0()
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{return (0); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (0); }
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static _Ty __cdecl infinity() _THROW0()
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{return (0); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (0); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (0); }
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_STCONS(bool, is_signed, false);
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_STCONS(int, digits, CHAR_BIT);
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_STCONS(int, digits10, (CHAR_BIT) * 301L / 1000);
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};
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// CLASS numeric_limits<short>
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class _CRTIMP2 numeric_limits<short> : public _Num_int_base {
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public:
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typedef short _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (SHRT_MIN); }
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static _Ty (__cdecl max)() _THROW0()
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{return (SHRT_MAX); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (0); }
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static _Ty __cdecl round_error() _THROW0()
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{return (0); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (0); }
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static _Ty __cdecl infinity() _THROW0()
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{return (0); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (0); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (0); }
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_STCONS(bool, is_signed, true);
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_STCONS(int, digits, CHAR_BIT * sizeof (short) - 1);
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_STCONS(int, digits10, (CHAR_BIT * sizeof (short) - 1)
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* 301L / 1000);
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};
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// CLASS numeric_limits<unsigned short>
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class _CRTIMP2 numeric_limits<unsigned short> : public _Num_int_base {
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public:
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typedef unsigned short _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (0); }
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static _Ty (__cdecl max)() _THROW0()
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{return (USHRT_MAX); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (0); }
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static _Ty __cdecl round_error() _THROW0()
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{return (0); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (0); }
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static _Ty __cdecl infinity() _THROW0()
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{return (0); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (0); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (0); }
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_STCONS(bool, is_signed, false);
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_STCONS(int, digits, CHAR_BIT * sizeof (unsigned short));
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_STCONS(int, digits10, (CHAR_BIT * sizeof (unsigned short))
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* 301L / 1000);
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};
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// CLASS numeric_limits<int>
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class _CRTIMP2 numeric_limits<int> : public _Num_int_base {
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public:
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typedef int _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (INT_MIN); }
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static _Ty (__cdecl max)() _THROW0()
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{return (INT_MAX); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (0); }
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static _Ty __cdecl round_error() _THROW0()
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{return (0); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (0); }
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static _Ty __cdecl infinity() _THROW0()
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{return (0); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (0); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (0); }
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_STCONS(bool, is_signed, true);
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_STCONS(int, digits, CHAR_BIT * sizeof (int) - 1);
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_STCONS(int, digits10, (CHAR_BIT * sizeof (int) - 1)
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* 301L / 1000);
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};
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// CLASS numeric_limits<unsigned int>
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class _CRTIMP2 numeric_limits<unsigned int> : public _Num_int_base {
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public:
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typedef unsigned int _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (0); }
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static _Ty (__cdecl max)() _THROW0()
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{return (UINT_MAX); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (0); }
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static _Ty __cdecl round_error() _THROW0()
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{return (0); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (0); }
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static _Ty __cdecl infinity() _THROW0()
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{return (0); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (0); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (0); }
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_STCONS(bool, is_signed, false);
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_STCONS(int, digits, CHAR_BIT * sizeof (unsigned int));
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_STCONS(int, digits10, (CHAR_BIT * sizeof (unsigned int))
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* 301L / 1000);
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};
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// CLASS numeric_limits<long>
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class _CRTIMP2 numeric_limits<long> : public _Num_int_base {
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public:
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typedef long _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (LONG_MIN); }
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static _Ty (__cdecl max)() _THROW0()
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{return (LONG_MAX); }
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static _Ty __cdecl epsilon() _THROW0()
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{return (0); }
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static _Ty __cdecl round_error() _THROW0()
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{return (0); }
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static _Ty __cdecl denorm_min() _THROW0()
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{return (0); }
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static _Ty __cdecl infinity() _THROW0()
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{return (0); }
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static _Ty __cdecl quiet_NaN() _THROW0()
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{return (0); }
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static _Ty __cdecl signaling_NaN() _THROW0()
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{return (0); }
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_STCONS(bool, is_signed, true);
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_STCONS(int, digits, CHAR_BIT * sizeof (long) - 1);
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_STCONS(int, digits10, (CHAR_BIT * sizeof (long) - 1)
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* 301L / 1000);
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};
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// CLASS numeric_limits<unsigned long>
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class _CRTIMP2 numeric_limits<unsigned long> : public _Num_int_base {
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public:
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typedef unsigned long _Ty;
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static _Ty (__cdecl min)() _THROW0()
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{return (0); }
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static _Ty (__cdecl max)() _THROW0()
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{return (ULONG_MAX); }
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static _Ty __cdecl epsilon() _THROW0()
|
||
|
|
{return (0); }
|
||
|
|
static _Ty __cdecl round_error() _THROW0()
|
||
|
|
{return (0); }
|
||
|
|
static _Ty __cdecl denorm_min() _THROW0()
|
||
|
|
{return (0); }
|
||
|
|
static _Ty __cdecl infinity() _THROW0()
|
||
|
|
{return (0); }
|
||
|
|
static _Ty __cdecl quiet_NaN() _THROW0()
|
||
|
|
{return (0); }
|
||
|
|
static _Ty __cdecl signaling_NaN() _THROW0()
|
||
|
|
{return (0); }
|
||
|
|
_STCONS(bool, is_signed, false);
|
||
|
|
_STCONS(int, digits, CHAR_BIT * sizeof (unsigned long));
|
||
|
|
_STCONS(int, digits10, (CHAR_BIT * sizeof (unsigned long))
|
||
|
|
* 301L / 1000);
|
||
|
|
};
|
||
|
|
// CLASS numeric_limits<float>
|
||
|
|
class _CRTIMP2 numeric_limits<float> : public _Num_float_base {
|
||
|
|
public:
|
||
|
|
typedef float _Ty;
|
||
|
|
static _Ty (__cdecl min)() _THROW0()
|
||
|
|
{return (FLT_MIN); }
|
||
|
|
static _Ty (__cdecl max)() _THROW0()
|
||
|
|
{return (FLT_MAX); }
|
||
|
|
static _Ty __cdecl epsilon() _THROW0()
|
||
|
|
{return (FLT_EPSILON); }
|
||
|
|
static _Ty __cdecl round_error() _THROW0()
|
||
|
|
{return (0.5); }
|
||
|
|
static _Ty __cdecl denorm_min() _THROW0()
|
||
|
|
{return (_FDenorm._F); }
|
||
|
|
static _Ty __cdecl infinity() _THROW0()
|
||
|
|
{return (_FInf._F); }
|
||
|
|
static _Ty __cdecl quiet_NaN() _THROW0()
|
||
|
|
{return (_FNan._F); }
|
||
|
|
static _Ty __cdecl signaling_NaN() _THROW0()
|
||
|
|
{return (_FSnan._F); }
|
||
|
|
_STCONS(int, digits, FLT_MANT_DIG);
|
||
|
|
_STCONS(int, digits10, FLT_DIG);
|
||
|
|
_STCONS(int, max_exponent, FLT_MAX_EXP);
|
||
|
|
_STCONS(int, max_exponent10, FLT_MAX_10_EXP);
|
||
|
|
_STCONS(int, min_exponent, FLT_MIN_EXP);
|
||
|
|
_STCONS(int, min_exponent10, FLT_MIN_10_EXP);
|
||
|
|
};
|
||
|
|
// CLASS numeric_limits<double>
|
||
|
|
class _CRTIMP2 numeric_limits<double> : public _Num_float_base {
|
||
|
|
public:
|
||
|
|
typedef double _Ty;
|
||
|
|
static _Ty (__cdecl min)() _THROW0()
|
||
|
|
{return (DBL_MIN); }
|
||
|
|
static _Ty (__cdecl max)() _THROW0()
|
||
|
|
{return (DBL_MAX); }
|
||
|
|
static _Ty __cdecl epsilon() _THROW0()
|
||
|
|
{return (DBL_EPSILON); }
|
||
|
|
static _Ty __cdecl round_error() _THROW0()
|
||
|
|
{return (0.5); }
|
||
|
|
static _Ty __cdecl denorm_min() _THROW0()
|
||
|
|
{return (_Denorm._D); }
|
||
|
|
static _Ty __cdecl infinity() _THROW0()
|
||
|
|
{return (_Inf._D); }
|
||
|
|
static _Ty __cdecl quiet_NaN() _THROW0()
|
||
|
|
{return (_Nan._D); }
|
||
|
|
static _Ty __cdecl signaling_NaN() _THROW0()
|
||
|
|
{return (_Snan._D); }
|
||
|
|
_STCONS(int, digits, DBL_MANT_DIG);
|
||
|
|
_STCONS(int, digits10, DBL_DIG);
|
||
|
|
_STCONS(int, max_exponent, DBL_MAX_EXP);
|
||
|
|
_STCONS(int, max_exponent10, DBL_MAX_10_EXP);
|
||
|
|
_STCONS(int, min_exponent, DBL_MIN_EXP);
|
||
|
|
_STCONS(int, min_exponent10, DBL_MIN_10_EXP);
|
||
|
|
};
|
||
|
|
// CLASS numeric_limits<long double>
|
||
|
|
class _CRTIMP2 numeric_limits<long double> : public _Num_float_base {
|
||
|
|
public:
|
||
|
|
typedef long double _Ty;
|
||
|
|
static _Ty (__cdecl min)() _THROW0()
|
||
|
|
{return (LDBL_MIN); }
|
||
|
|
static _Ty (__cdecl max)() _THROW0()
|
||
|
|
{return (LDBL_MAX); }
|
||
|
|
static _Ty __cdecl epsilon() _THROW0()
|
||
|
|
{return (LDBL_EPSILON); }
|
||
|
|
static _Ty __cdecl round_error() _THROW0()
|
||
|
|
{return (0.5); }
|
||
|
|
static _Ty __cdecl denorm_min() _THROW0()
|
||
|
|
{return (_LDenorm._L); }
|
||
|
|
static _Ty __cdecl infinity() _THROW0()
|
||
|
|
{return (_LInf._L); }
|
||
|
|
static _Ty __cdecl quiet_NaN() _THROW0()
|
||
|
|
{return (_LNan._L); }
|
||
|
|
static _Ty __cdecl signaling_NaN() _THROW0()
|
||
|
|
{return (_LSnan._L); }
|
||
|
|
_STCONS(int, digits, LDBL_MANT_DIG);
|
||
|
|
_STCONS(int, digits10, LDBL_DIG);
|
||
|
|
_STCONS(int, max_exponent, LDBL_MAX_EXP);
|
||
|
|
_STCONS(int, max_exponent10, LDBL_MAX_10_EXP);
|
||
|
|
_STCONS(int, min_exponent, LDBL_MIN_EXP);
|
||
|
|
_STCONS(int, min_exponent10, LDBL_MIN_10_EXP);
|
||
|
|
};
|
||
|
|
_STD_END
|
||
|
|
#ifdef _MSC_VER
|
||
|
|
#pragma pack(pop)
|
||
|
|
#endif /* _MSC_VER */
|
||
|
|
|
||
|
|
#endif /* _LIMITS_ */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
|
||
|
|
* Consult your license regarding permissions and restrictions.
|
||
|
|
*/
|