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- /*
- * float.h
- * see sec 2.2.4.2 and 4.1.3 of ansi draft
- *
- * this implementation strives to meet these values, but actually
- * does'nt quite make it, so we lie (the file was produced by gcc
- * compiled config.c on a Sun).
- * i need help here!
- * ++jrb
- */
- #ifndef _FLOAT_H
- #define _FLOAT_H
-
- #ifndef _COMPILER_H
- #include <compiler.h>
- #endif
-
- #ifdef __TURBOC__
- #include <tcfloat.h>
- #else
-
- #ifdef __SOZOBON__
-
- /* 4/19/92 sb
- These constants correspond to version 2.0 of David Brooks' floating point
- library, which Sozobon 1.33i uses. */
-
- /* Radix of exponent representation */
- #define FLT_RADIX 2
- /* Number of base-FLT_RADIX digits in the mantissa of a float */
- #define FLT_MANT_DIG 24
- /* Number of decimal digits of precision in a float */
- #define FLT_DIG 7
- /* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown */
- #define FLT_ROUNDS 1
- /* Minimum float x such that 1.0+x != 1.0 */
- #define FLT_EPSILON ((float)1.192092891e-07)
- /* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */
- #define FLT_MIN_EXP (-63)
- /* Minimum normalised float */
- #define FLT_MIN ((float)5.421010547e-20)
- /* Minimum int x such that 10**x is a normalised float */
- #define FLT_MIN_10_EXP (-19)
- /* Maximum int x such that FLT_RADIX**(x-1) is a representable float */
- #define FLT_MAX_EXP 64
- /* Maximum float */
- #define FLT_MAX ((float)9.2233715e18)
- /* Maximum int x such that 10**x is a representable float */
- #define FLT_MAX_10_EXP 18
-
- /* double is identical to float */
- #define DBL_MANT_DIG FLT_MANT_DIG
- #define DBL_DIG FLT_DIG
- #define DBL_ROUNDS FLT_ROUNDS
- #define DBL_EPSILON ((double)FLT_EPSILON)
- #define DBL_MIN_EXP FLT_MIN_EXP
- #define DBL_MIN ((double)FLT_MIN)
- #define DBL_MIN_10_EXP FLT_MIN_10_EXP
- #define DBL_MAX_EXP FLT_MAX_EXP
- #define DBL_MAX ((double)FLT_MAX)
- #define DBL_MAX_10_EXP FLT_MAX_10_EXP
-
- /* so is long double */
- #define LDBL_MANT_DIG FLT_MANT_DIG
- #define LDBL_DIG FLT_DIG
- #define LDBL_ROUNDS FLT_ROUNDS
- #define LDBL_EPSILON ((long double)FLT_EPSILON)
- #define LDBL_MIN_EXP FLT_MIN_EXP
- #define LDBL_MIN ((long double)FLT_MIN)
- #define LDBL_MIN_10_EXP FLT_MIN_10_EXP
- #define LDBL_MAX_EXP FLT_MAX_EXP
- #define LDBL_MAX ((long double)FLT_MAX)
- #define LDBL_MAX_10_EXP FLT_MAX_10_EXP
-
- #else /* __SOZOBON__ */
-
- /* float.h */
- /* Produced by config version 4.2, CWI, Amsterdam */
-
- /* Radix of exponent representation */
- #define FLT_RADIX 2
- /* Number of base-FLT_RADIX digits in the mantissa of a float */
- #define FLT_MANT_DIG 24
- /* Number of decimal digits of precision in a float */
- #define FLT_DIG 6
- /* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown */
- #define FLT_ROUNDS 1
- /* Minimum float x such that 1.0+x != 1.0 */
- #define FLT_EPSILON 5.96046519e-08F
- /* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */
- #define FLT_MIN_EXP (-125)
- /* Minimum normalised float */
- #define FLT_MIN 1.17549435e-38F
- /* Minimum int x such that 10**x is a normalised float */
- #define FLT_MIN_10_EXP (-37)
- /* Maximum int x such that FLT_RADIX**(x-1) is a representable float */
- #define FLT_MAX_EXP 128
- /* Maximum float */
- #define FLT_MAX 3.40282347e+38F
- /* Maximum int x such that 10**x is a representable float */
- #define FLT_MAX_10_EXP 38
-
- /* Number of base-FLT_RADIX digits in the mantissa of a double */
- #define DBL_MANT_DIG 53
- /* Number of decimal digits of precision in a double */
- #define DBL_DIG 15
- /* Minimum double x such that 1.0+x != 1.0 */
- #define DBL_EPSILON 1.1107651257113995e-16
- /* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */
- #define DBL_MIN_EXP (-1021)
- /* Minimum normalised double */
- #define DBL_MIN 2.2250738585072014e-308
- /* Minimum int x such that 10**x is a normalised double */
- #define DBL_MIN_10_EXP (-307)
- /* Maximum int x such that FLT_RADIX**(x-1) is a representable double */
- #define DBL_MAX_EXP 1024
- /* Maximum double */
- /*#define DBL_MAX 1.7976931348623157e+308*/
- #define DBL_MAX 1.7976931348623158e+308
- /* Maximum int x such that 10**x is a representable double */
- #define DBL_MAX_10_EXP 308
-
- /* Number of base-FLT_RADIX digits in the mantissa of a long double */
- #define LDBL_MANT_DIG 53
- /* Number of decimal digits of precision in a long double */
- #define LDBL_DIG 15
- /* Minimum long double x such that 1.0+x != 1.0 */
- #define LDBL_EPSILON 1.1107651257113995e-16L
- /* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */
- #define LDBL_MIN_EXP (-1021)
- /* Minimum normalised long double */
- #define LDBL_MIN 2.2250738585072014e-308L
- /* Minimum int x such that 10**x is a normalised long double */
- #define LDBL_MIN_10_EXP (-307)
- /* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */
- #define LDBL_MAX_EXP 1024
- /* Maximum long double */
- /*#define LDBL_MAX 1.7976931348623157e+308L*/
- #define LDBL_MAX 1.7976931348623158e+308
- /* Maximum int x such that 10**x is a representable long double */
- #define LDBL_MAX_10_EXP 308
-
- #endif /* __SOZOBON__ */
-
- #endif /* __TURBOC__ */
-
- #endif /* _FLOAT_H */
-