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// limits standard header #ifndef _LIMITS_ #define _LIMITS_ #include <ymath.h> #include <cfloat> #include <climits> #include <cmath> #include <cwchar> #include <xstddef>
#ifdef _MSC_VER #pragma pack(push,8) #endif /* _MSC_VER */ // ASSUMES: // wraparound 2's complement integer arithmetic w/o traps // all CHAR_BITs of each byte used by integers // IEC559 (IEEE 754) floating-point arithmetic // floating-point errors can trap // tinyness detected before floating-point rounding _STD_BEGIN // ENUM float_round_style typedef enum { round_indeterminate = -1, round_toward_zero = 0, round_to_nearest = 1, round_toward_infinity = 2, round_toward_neg_infinity = 3} float_round_style; // STRUCT _Num_base struct _CRTIMP2 _Num_base { _STCONS(bool, has_denorm, false); _STCONS(bool, has_denorm_loss, false); _STCONS(bool, has_infinity, false); _STCONS(bool, has_quiet_NaN, false); _STCONS(bool, has_signaling_NaN, false); _STCONS(bool, is_bounded, false); _STCONS(bool, is_exact, false); _STCONS(bool, is_iec559, false); _STCONS(bool, is_integer, false); _STCONS(bool, is_modulo, false); _STCONS(bool, is_signed, false); _STCONS(bool, is_specialized, false); _STCONS(bool, tinyness_before, false); _STCONS(bool, traps, false); _STCONS(float_round_style, round_style, round_toward_zero); _STCONS(int, digits, 0); _STCONS(int, digits10, 0); _STCONS(int, max_exponent, 0); _STCONS(int, max_exponent10, 0); _STCONS(int, min_exponent, 0); _STCONS(int, min_exponent10, 0); _STCONS(int, radix, 0); }; // TEMPLATE CLASS numeric_limits template<class _Ty> class numeric_limits : public _Num_base { public: static _Ty (__cdecl min)() _THROW0() {return (_Ty(0)); } static _Ty (__cdecl max)() _THROW0() {return (_Ty(0)); } static _Ty __cdecl epsilon() _THROW0() {return (_Ty(0)); } static _Ty __cdecl round_error() _THROW0() {return (_Ty(0)); } static _Ty __cdecl denorm_min() _THROW0() {return (_Ty(0)); } static _Ty __cdecl infinity() _THROW0() {return (_Ty(0)); } static _Ty __cdecl quiet_NaN() _THROW0() {return (_Ty(0)); } static _Ty __cdecl signaling_NaN() _THROW0() {return (_Ty(0)); } }; // STRUCT _Num_int_base struct _CRTIMP2 _Num_int_base : public _Num_base { _STCONS(bool, is_bounded, true); _STCONS(bool, is_exact, true); _STCONS(bool, is_integer, true); _STCONS(bool, is_modulo, true); _STCONS(bool, is_specialized, true); _STCONS(int, radix, 2); }; // STRUCT _Num_float_base struct _CRTIMP2 _Num_float_base : public _Num_base { _STCONS(bool, has_denorm, true); _STCONS(bool, has_denorm_loss, true); _STCONS(bool, has_infinity, true); _STCONS(bool, has_quiet_NaN, true); _STCONS(bool, has_signaling_NaN, true); _STCONS(bool, is_bounded, true); _STCONS(bool, is_exact, false); _STCONS(bool, is_iec559, true); _STCONS(bool, is_integer, false); _STCONS(bool, is_modulo, false); _STCONS(bool, is_signed, true); _STCONS(bool, is_specialized, true); _STCONS(bool, tinyness_before, true); _STCONS(bool, traps, true); _STCONS(float_round_style, round_style, round_to_nearest); _STCONS(int, radix, FLT_RADIX); }; // CLASS numeric_limits<char> class _CRTIMP2 numeric_limits<char> : public _Num_int_base { public: typedef char _Ty; static _Ty (__cdecl min)() _THROW0() {return (CHAR_MIN); } static _Ty (__cdecl max)() _THROW0() {return (CHAR_MAX); } 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, CHAR_MIN < 0); _STCONS(int, digits, CHAR_BIT - (CHAR_MIN < 0 ? 1 : 0)); _STCONS(int, digits10, (CHAR_BIT - (CHAR_MIN < 0 ? 1 : 0)) * 301L / 1000); }; // CLASS numeric_limits<_Bool> class _CRTIMP2 numeric_limits<_Bool> : public _Num_int_base { public: typedef bool _Ty; static _Ty (__cdecl min)() _THROW0() {return (false); } static _Ty (__cdecl max)() _THROW0() {return (true); } 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, 1); _STCONS(int, digits10, 0); }; // CLASS numeric_limits<signed char> class _CRTIMP2 numeric_limits<signed char> : public _Num_int_base { public: typedef signed char _Ty; static _Ty (__cdecl min)() _THROW0() {return (SCHAR_MIN); } static _Ty (__cdecl max)() _THROW0() {return (SCHAR_MAX); } 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, true); _STCONS(int, digits, CHAR_BIT - 1); _STCONS(int, digits10, (CHAR_BIT - 1) * 301L / 1000); }; // CLASS numeric_limits<unsigned char> class _CRTIMP2 numeric_limits<unsigned char> : public _Num_int_base { public: typedef unsigned char _Ty; static _Ty (__cdecl min)() _THROW0() {return (0); } static _Ty (__cdecl max)() _THROW0() {return (UCHAR_MAX); } 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); _STCONS(int, digits10, (CHAR_BIT) * 301L / 1000); }; // CLASS numeric_limits<short> class _CRTIMP2 numeric_limits<short> : public _Num_int_base { public: typedef short _Ty; static _Ty (__cdecl min)() _THROW0() {return (SHRT_MIN); } static _Ty (__cdecl max)() _THROW0() {return (SHRT_MAX); } 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, true); _STCONS(int, digits, CHAR_BIT * sizeof (short) - 1); _STCONS(int, digits10, (CHAR_BIT * sizeof (short) - 1) * 301L / 1000); }; // CLASS numeric_limits<unsigned short> class _CRTIMP2 numeric_limits<unsigned short> : public _Num_int_base { public: typedef unsigned short _Ty; static _Ty (__cdecl min)() _THROW0() {return (0); } static _Ty (__cdecl max)() _THROW0() {return (USHRT_MAX); } 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 short)); _STCONS(int, digits10, (CHAR_BIT * sizeof (unsigned short)) * 301L / 1000); }; // CLASS numeric_limits<int> class _CRTIMP2 numeric_limits<int> : public _Num_int_base { public: typedef int _Ty; static _Ty (__cdecl min)() _THROW0() {return (INT_MIN); } static _Ty (__cdecl max)() _THROW0() {return (INT_MAX); } 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, true); _STCONS(int, digits, CHAR_BIT * sizeof (int) - 1); _STCONS(int, digits10, (CHAR_BIT * sizeof (int) - 1) * 301L / 1000); }; // CLASS numeric_limits<unsigned int> class _CRTIMP2 numeric_limits<unsigned int> : public _Num_int_base { public: typedef unsigned int _Ty; static _Ty (__cdecl min)() _THROW0() {return (0); } static _Ty (__cdecl max)() _THROW0() {return (UINT_MAX); } 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 int)); _STCONS(int, digits10, (CHAR_BIT * sizeof (unsigned int)) * 301L / 1000); }; // CLASS numeric_limits<long> class _CRTIMP2 numeric_limits<long> : public _Num_int_base { public: typedef long _Ty; static _Ty (__cdecl min)() _THROW0() {return (LONG_MIN); } static _Ty (__cdecl max)() _THROW0() {return (LONG_MAX); } 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, true); _STCONS(int, digits, CHAR_BIT * sizeof (long) - 1); _STCONS(int, digits10, (CHAR_BIT * sizeof (long) - 1) * 301L / 1000); }; // CLASS numeric_limits<unsigned long> class _CRTIMP2 numeric_limits<unsigned long> : public _Num_int_base { public: typedef unsigned long _Ty; static _Ty (__cdecl min)() _THROW0() {return (0); } static _Ty (__cdecl max)() _THROW0() {return (ULONG_MAX); } 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. */
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