1 /* float.h for target with IEEE 32, 64 and 128 bit SPARC floating point formats
2 (on sparc-linux long double is 64 bit, while on sparc64-linux 128 bit) */
5 /* Produced by enquire version 4.3, CWI, Amsterdam */
7 /* Radix of exponent representation */
10 /* Number of base-FLT_RADIX digits in the significand of a float */
12 #define FLT_MANT_DIG 24
13 /* Number of decimal digits of precision in a float */
16 /* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown */
19 /* Difference between 1.0 and the minimum float greater than 1.0 */
21 #define FLT_EPSILON 1.19209290e-07F
22 /* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */
24 #define FLT_MIN_EXP (-125)
25 /* Minimum normalised float */
27 #define FLT_MIN 1.17549435e-38F
28 /* Minimum int x such that 10**x is a normalised float */
30 #define FLT_MIN_10_EXP (-37)
31 /* Maximum int x such that FLT_RADIX**(x-1) is a representable float */
33 #define FLT_MAX_EXP 128
36 #define FLT_MAX 3.40282347e+38F
37 /* Maximum int x such that 10**x is a representable float */
39 #define FLT_MAX_10_EXP 38
41 /* Number of base-FLT_RADIX digits in the significand of a double */
43 #define DBL_MANT_DIG 53
44 /* Number of decimal digits of precision in a double */
47 /* Difference between 1.0 and the minimum double greater than 1.0 */
49 #define DBL_EPSILON 2.2204460492503131e-16
50 /* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */
52 #define DBL_MIN_EXP (-1021)
53 /* Minimum normalised double */
55 #define DBL_MIN 2.2250738585072014e-308
56 /* Minimum int x such that 10**x is a normalised double */
58 #define DBL_MIN_10_EXP (-307)
59 /* Maximum int x such that FLT_RADIX**(x-1) is a representable double */
61 #define DBL_MAX_EXP 1024
64 #define DBL_MAX 1.7976931348623157e+308
65 /* Maximum int x such that 10**x is a representable double */
67 #define DBL_MAX_10_EXP 308
69 #if defined(__sparcv9) || defined(__arch64__) || defined(__LONG_DOUBLE_128__)
71 /* Number of base-FLT_RADIX digits in the significand of a long double */
73 #define LDBL_MANT_DIG 113
74 /* Number of decimal digits of precision in a long double */
77 /* Difference between 1.0 and the minimum long double greater than 1.0 */
79 #define LDBL_EPSILON 1.925929944387235853055977942584927319E-34L
80 /* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */
82 #define LDBL_MIN_EXP (-16381)
83 /* Minimum normalised long double */
85 #define LDBL_MIN 3.362103143112093506262677817321752603E-4932L
86 /* Minimum int x such that 10**x is a normalised long double */
87 #undef LDBL_MIN_10_EXP
88 #define LDBL_MIN_10_EXP (-4931)
89 /* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */
91 #define LDBL_MAX_EXP 16384
92 /* Maximum long double */
94 #define LDBL_MAX 1.189731495357231765085759326628007016E+4932L
95 /* Maximum int x such that 10**x is a representable long double */
96 #undef LDBL_MAX_10_EXP
97 #define LDBL_MAX_10_EXP 4932
102 #define LDBL_MANT_DIG DBL_MANT_DIG
104 #define LDBL_DIG DBL_DIG
106 #define LDBL_EPSILON DBL_EPSILON
108 #define LDBL_MIN_EXP DBL_MIN_EXP
110 #define LDBL_MIN DBL_MIN
111 #undef LDBL_MIN_10_EXP
112 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP
114 #define LDBL_MAX_EXP DBL_MAX_EXP
116 #define LDBL_MAX DBL_MAX
117 #undef LDBL_MAX_10_EXP
118 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP
122 #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
123 /* The floating-point expression evaluation method.
125 0 evaluate all operations and constants just to the range and
126 precision of the type
127 1 evaluate operations and constants of type float and double
128 to the range and precision of the double type, evaluate
129 long double operations and constants to the range and
130 precision of the long double type
131 2 evaluate all operations and constants to the range and
132 precision of the long double type
134 # undef FLT_EVAL_METHOD
135 # define FLT_EVAL_METHOD 0
137 /* Number of decimal digits to enable rounding to the given number of
138 decimal digits without loss of precision.
139 if FLT_RADIX == 10^n: #mantissa * log10 (FLT_RADIX)
140 else : ceil (1 + #mantissa * log10 (FLT_RADIX))
141 where #mantissa is the number of bits in the mantissa of the widest
142 supported floating-point type.
145 # if LDBL_MANT_DIG == 53
146 # define DECIMAL_DIG 17
148 # define DECIMAL_DIG 36
153 #endif /* _FLOAT_H_ */