161 lines
5.5 KiB
C
161 lines
5.5 KiB
C
/* float.h for target sh3e with optional IEEE 32 bit double format */
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#ifndef _FLOAT_H_
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#define _FLOAT_H_
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/* Produced by enquire version 4.3, CWI, Amsterdam */
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/* Radix of exponent representation */
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#undef FLT_RADIX
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#define FLT_RADIX 2
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/* Number of base-FLT_RADIX digits in the significand of a float */
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#undef FLT_MANT_DIG
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#define FLT_MANT_DIG 24
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/* Number of decimal digits of precision in a float */
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#undef FLT_DIG
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#define FLT_DIG 6
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/* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown */
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#undef FLT_ROUNDS
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#define FLT_ROUNDS 1
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/* Difference between 1.0 and the minimum float greater than 1.0 */
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#undef FLT_EPSILON
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#define FLT_EPSILON 1.19209290e-07F
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/* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */
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#undef FLT_MIN_EXP
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#define FLT_MIN_EXP (-125)
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/* Minimum normalised float */
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#undef FLT_MIN
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#define FLT_MIN 1.17549435e-38F
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/* Minimum int x such that 10**x is a normalised float */
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#undef FLT_MIN_10_EXP
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#define FLT_MIN_10_EXP (-37)
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/* Maximum int x such that FLT_RADIX**(x-1) is a representable float */
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#undef FLT_MAX_EXP
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#define FLT_MAX_EXP 128
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/* Maximum float */
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#undef FLT_MAX
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#define FLT_MAX 3.40282347e+38F
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/* Maximum int x such that 10**x is a representable float */
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#undef FLT_MAX_10_EXP
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#define FLT_MAX_10_EXP 38
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#if defined (__SH3E__) || defined (__SH4_SINGLE_ONLY__)
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/* Number of base-FLT_RADIX digits in the significand of a double */
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#undef DBL_MANT_DIG
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#define DBL_MANT_DIG 24
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/* Number of decimal digits of precision in a double */
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#undef DBL_DIG
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#define DBL_DIG 6
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/* Difference between 1.0 and the minimum double greater than 1.0 */
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#undef DBL_EPSILON
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#define DBL_EPSILON 1.19209290e-07F
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/* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */
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#undef DBL_MIN_EXP
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#define DBL_MIN_EXP (-125)
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/* Minimum normalised double */
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#undef DBL_MIN
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#define DBL_MIN 1.17549435e-38F
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/* Minimum int x such that 10**x is a normalised double */
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#undef DBL_MIN_10_EXP
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#define DBL_MIN_10_EXP (-37)
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/* Maximum int x such that FLT_RADIX**(x-1) is a representable double */
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#undef DBL_MAX_EXP
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#define DBL_MAX_EXP 128
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/* Maximum double */
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#undef DBL_MAX
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#define DBL_MAX 3.40282347e+38F
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/* Maximum int x such that 10**x is a representable double */
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#undef DBL_MAX_10_EXP
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#define DBL_MAX_10_EXP 38
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#else
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/* Number of base-FLT_RADIX digits in the significand of a double */
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#undef DBL_MANT_DIG
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#define DBL_MANT_DIG 53
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/* Number of decimal digits of precision in a double */
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#undef DBL_DIG
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#define DBL_DIG 15
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/* Difference between 1.0 and the minimum double greater than 1.0 */
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#undef DBL_EPSILON
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#define DBL_EPSILON 2.2204460492503131e-16
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/* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */
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#undef DBL_MIN_EXP
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#define DBL_MIN_EXP (-1021)
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/* Minimum normalised double */
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#undef DBL_MIN
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#define DBL_MIN 2.2250738585072014e-308
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/* Minimum int x such that 10**x is a normalised double */
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#undef DBL_MIN_10_EXP
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#define DBL_MIN_10_EXP (-307)
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/* Maximum int x such that FLT_RADIX**(x-1) is a representable double */
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#undef DBL_MAX_EXP
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#define DBL_MAX_EXP 1024
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/* Maximum double */
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#undef DBL_MAX
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#define DBL_MAX 1.7976931348623157e+308
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/* Maximum int x such that 10**x is a representable double */
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#undef DBL_MAX_10_EXP
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#define DBL_MAX_10_EXP 308
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#endif
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/* Because -m3e and -m4-single-only have 32-bit doubles, we append L
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to the doubles below, so that they're not truncated. */
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/* Number of base-FLT_RADIX digits in the significand of a long double */
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#undef LDBL_MANT_DIG
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#define LDBL_MANT_DIG 53
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/* Number of decimal digits of precision in a long double */
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#undef LDBL_DIG
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#define LDBL_DIG 15
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/* Difference between 1.0 and the minimum long double greater than 1.0 */
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#undef LDBL_EPSILON
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#define LDBL_EPSILON 2.2204460492503131e-16L
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/* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */
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#undef LDBL_MIN_EXP
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#define LDBL_MIN_EXP (-1021)
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/* Minimum normalised long double */
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#undef LDBL_MIN
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#define LDBL_MIN 2.2250738585072014e-308L
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/* Minimum int x such that 10**x is a normalised long double */
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#undef LDBL_MIN_10_EXP
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#define LDBL_MIN_10_EXP (-307)
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/* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */
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#undef LDBL_MAX_EXP
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#define LDBL_MAX_EXP 1024
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/* Maximum long double */
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#undef LDBL_MAX
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#define LDBL_MAX 1.7976931348623157e+308L
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/* Maximum int x such that 10**x is a representable long double */
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#undef LDBL_MAX_10_EXP
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#define LDBL_MAX_10_EXP 308
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#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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/* The floating-point expression evaluation method.
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-1 indeterminate
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0 evaluate all operations and constants just to the range and
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precision of the type
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1 evaluate operations and constants of type float and double
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to the range and precision of the double type, evaluate
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long double operations and constants to the range and
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precision of the long double type
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2 evaluate all operations and constants to the range and
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precision of the long double type
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*/
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# undef FLT_EVAL_METHOD
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# define FLT_EVAL_METHOD 0
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/* Number of decimal digits to enable rounding to the given number of
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decimal digits without loss of precision.
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if FLT_RADIX == 10^n: #mantissa * log10 (FLT_RADIX)
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else : ceil (1 + #mantissa * log10 (FLT_RADIX))
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where #mantissa is the number of bits in the mantissa of the widest
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supported floating-point type.
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*/
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# undef DECIMAL_DIG
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# define DECIMAL_DIG 17
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#endif /* C99 */
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#endif /* _FLOAT_H_ */
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