blob: 8dfa387df5d5bfac16ad350582f2095236c60437 (
plain) (
blame)
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
|
#ifndef LONG_DOUBLE_DENORM_BIAS
# define LONG_DOUBLE_DENORM_BIAS (IEEE854_LONG_DOUBLE_BIAS - 1)
#endif
#define PRINT_FPHEX_LONG_DOUBLE \
do { \
/* The "strange" 80 bit format on ix86 and m68k has an explicit \
leading digit in the 64 bit mantissa. */ \
unsigned long long int num; \
\
assert (sizeof (long double) == 12); \
\
num = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32 \
| fpnum.ldbl.ieee.mantissa1); \
\
zero_mantissa = num == 0; \
\
if (sizeof (unsigned long int) > 6) \
numstr = _itoa_word (num, numbuf + sizeof numbuf, 16, \
info->spec == 'A'); \
else \
numstr = _itoa (num, numbuf + sizeof numbuf, 16, info->spec == 'A'); \
\
/* Fill with zeroes. */ \
while (numstr > numbuf + (sizeof numbuf - 64 / 4)) \
*--numstr = '0'; \
\
/* We use a full nibble for the leading digit. */ \
leading = *numstr++; \
\
/* We have 3 bits from the mantissa in the leading nibble. \
Therefore we are here using `IEEE854_LONG_DOUBLE_BIAS + 3'. */ \
exponent = fpnum.ldbl.ieee.exponent; \
\
if (exponent == 0) \
{ \
if (zero_mantissa) \
expnegative = 0; \
else \
{ \
/* This is a denormalized number. */ \
expnegative = 1; \
/* This is a hook for the m68k long double format, where the \
exponent bias is the same for normalized and denormalized \
numbers. */ \
exponent = LONG_DOUBLE_DENORM_BIAS + 3; \
} \
} \
else if (exponent >= IEEE854_LONG_DOUBLE_BIAS + 3) \
{ \
expnegative = 0; \
exponent -= IEEE854_LONG_DOUBLE_BIAS + 3; \
} \
else \
{ \
expnegative = 1; \
exponent = -(exponent - (IEEE854_LONG_DOUBLE_BIAS + 3)); \
} \
} while (0)
#include <sysdeps/generic/printf_fphex.c>
|
