105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/* float.h for target with IEEE 32/64 bit and Intel 386 style 80 bit
|
|
floating point formats */
|
|
#ifndef _FLOAT_H_
|
|
#define _FLOAT_H_
|
|
/* Produced by enquire version 4.3, CWI, Amsterdam */
|
|
|
|
/* Radix of exponent representation */
|
|
#undef FLT_RADIX
|
|
#define FLT_RADIX 2
|
|
/* Number of base-FLT_RADIX digits in the significand of a float */
|
|
#undef FLT_MANT_DIG
|
|
#define FLT_MANT_DIG 24
|
|
/* Number of decimal digits of precision in a float */
|
|
#undef FLT_DIG
|
|
#define FLT_DIG 6
|
|
/* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown */
|
|
#undef FLT_ROUNDS
|
|
#define FLT_ROUNDS 1
|
|
/* Difference between 1.0 and the minimum float greater than 1.0 */
|
|
#undef FLT_EPSILON
|
|
#define FLT_EPSILON 1.19209290e-07F
|
|
/* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */
|
|
#undef FLT_MIN_EXP
|
|
#define FLT_MIN_EXP (-125)
|
|
/* Minimum normalised float */
|
|
#undef FLT_MIN
|
|
#define FLT_MIN 1.17549435e-38F
|
|
/* Minimum int x such that 10**x is a normalised float */
|
|
#undef FLT_MIN_10_EXP
|
|
#define FLT_MIN_10_EXP (-37)
|
|
/* Maximum int x such that FLT_RADIX**(x-1) is a representable float */
|
|
#undef FLT_MAX_EXP
|
|
#define FLT_MAX_EXP 128
|
|
/* Maximum float */
|
|
#undef FLT_MAX
|
|
#define FLT_MAX 3.40282347e+38F
|
|
/* Maximum int x such that 10**x is a representable float */
|
|
#undef FLT_MAX_10_EXP
|
|
#define FLT_MAX_10_EXP 38
|
|
|
|
/* Number of base-FLT_RADIX digits in the significand of a double */
|
|
#undef DBL_MANT_DIG
|
|
#define DBL_MANT_DIG 53
|
|
/* Number of decimal digits of precision in a double */
|
|
#undef DBL_DIG
|
|
#define DBL_DIG 15
|
|
/* Difference between 1.0 and the minimum double greater than 1.0 */
|
|
#undef DBL_EPSILON
|
|
#define DBL_EPSILON 2.2204460492503131e-16
|
|
/* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */
|
|
#undef DBL_MIN_EXP
|
|
#define DBL_MIN_EXP (-1021)
|
|
/* Minimum normalised double */
|
|
#undef DBL_MIN
|
|
#define DBL_MIN 2.2250738585072014e-308
|
|
/* Minimum int x such that 10**x is a normalised double */
|
|
#undef DBL_MIN_10_EXP
|
|
#define DBL_MIN_10_EXP (-307)
|
|
/* Maximum int x such that FLT_RADIX**(x-1) is a representable double */
|
|
#undef DBL_MAX_EXP
|
|
#define DBL_MAX_EXP 1024
|
|
/* Maximum double */
|
|
#undef DBL_MAX
|
|
#define DBL_MAX 1.7976931348623157e+308
|
|
/* Maximum int x such that 10**x is a representable double */
|
|
#undef DBL_MAX_10_EXP
|
|
#define DBL_MAX_10_EXP 308
|
|
|
|
/* Number of base-FLT_RADIX digits in the significand of a long double */
|
|
#undef LDBL_MANT_DIG
|
|
#define LDBL_MANT_DIG 64
|
|
/* Number of decimal digits of precision in a long double */
|
|
#undef LDBL_DIG
|
|
#define LDBL_DIG 18
|
|
/* Difference between 1.0 and the minimum long double greater than 1.0 */
|
|
#undef LDBL_EPSILON
|
|
#ifndef __LDBL_UNION__
|
|
#define __LDBL_UNION__
|
|
union __convert_long_double {
|
|
unsigned __convert_long_double_i[4];
|
|
long double __convert_long_double_d;
|
|
};
|
|
#endif
|
|
#define LDBL_EPSILON (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0x0, 0x80000000, 0x3fc0, 0x0}}).__convert_long_double_d)
|
|
/* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */
|
|
#undef LDBL_MIN_EXP
|
|
#define LDBL_MIN_EXP (-16381)
|
|
/* Minimum normalised long double */
|
|
#undef LDBL_MIN
|
|
#define LDBL_MIN (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0x0, 0x80000000, 0x1, 0x0}}).__convert_long_double_d)
|
|
/* Minimum int x such that 10**x is a normalised long double */
|
|
#undef LDBL_MIN_10_EXP
|
|
#define LDBL_MIN_10_EXP (-4931)
|
|
/* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */
|
|
#undef LDBL_MAX_EXP
|
|
#define LDBL_MAX_EXP 16384
|
|
/* Maximum long double */
|
|
#undef LDBL_MAX
|
|
#define LDBL_MAX (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0xffffffff, 0xffffffff, 0x107ffe, 0x0}}).__convert_long_double_d)
|
|
/* Maximum int x such that 10**x is a representable long double */
|
|
#undef LDBL_MAX_10_EXP
|
|
#define LDBL_MAX_10_EXP 4932
|
|
|
|
#endif /* _FLOAT_H___ */
|