-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathFLOAT.H
68 lines (59 loc) · 2.13 KB
/
FLOAT.H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
/* Characteristics of floating types */
#define DBL_RADIX 2 /* radix of exponent for a double */
#define DBL_ROUNDS 1 /* doubles round when converted to int */
#define FLT_RADIX 2 /* radix of float exponent */
#define FLT_ROUNDS 1 /* float also rounds to int */
#if z80
#define FLT_MANT_DIG 24 /* 24 bits in mantissa */
#define DBL_MANT_DIG 24 /* ditto for double */
#define DBL_MANT_DIG 24 /* ditto long double */
#define FLT_EPSILON -1.192093 /* smallest x, x+1.0 != 1.0 */
#define DBL_EPSILON -1.192093 /* smallest x, x+1.0 != 1.0 */
#define FLT_DIG 6 /* decimal significant digs */
#define DBL_DIG 6
#define FLT_MIN_EXP -62 /* min binary exponent */
#define DBL_MIN_EXP -62
#define FLT_MIN 1.084202e-19 /* smallest floating number */
#define DBL_MIN 1.084202e-19
#define FLT_MIN_10_EXP -18
#define DBL_MIN_10_EXP -18
#define FLT_MAX_EXP 64 /* max binary exponent */
#define DBL_MAX_EXP 64
#define FLT_MAX 1.84467e19 /* max floating number */
#define DBL_MAX 1.84467e19
#define FLT_MAX_10_EXP 19 /* max decimal exponent */
#define DBL_MAX_10_EXP 19
#endif z80
#if i8086 || m68k
/* The 8086 and 68000 use IEEE 32 and 64 bit floats */
#define FLT_RADIX 2
#define FLT_MANT_DIG 24
#define FLT_EPSILON 1.19209290e-07
#define FLT_DIG 6
#define FLT_MIN_EXP -125
#define FLT_MIN 1.17549435e-38
#define FLT_MIN_10_EXP -37
#define FLT_MAX_EXP 128
#define FLT_MAX 3.40282347e+38
#define FLT_MAX_10_EXP 38
#define DBL_MANT_DIG 53
#define DBL_EPSILON 2.2204460492503131e-16
#define DBL_DIG 15
#define DBL_MIN_EXP -1021
#define DBL_MIN 2.225073858507201e-308
#define DBL_MIN_10_EXP -307
#define DBL_MAX_EXP 1024
#define DBL_MAX 1.797693134862316e+308
#define DBL_MAX_10_EXP 308
#endif i8086 || m68k
/* long double equates to double */
#define LDBL_MANT_DIG DBL_MANT_DIG
#define LDBL_EPSILON DBL_EPSILON
#define LDBL_DIG DBL_DIG
#define LDBL_MIN_EXP DBL_MIN_EXP
#define LDBL_MIN DBL_MIN
#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
#define LDBL_MAX_EXP DBL_MAX_EXP
#define LDBL_MAX DBL_MAX
#define LDBL_MAX_10_EXP DBL_MAX_10_EXP