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
|
/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <math.h>
#ifndef __NO_LONG_DOUBLE_MATH
/* The actual implementation for all floating point sizes is in strtod.c.
These macros tell it to produce the `long double' version, `wcstold'. */
# define FLOAT long double
# define FLT LDBL
# ifdef USE_IN_EXTENDED_LOCALE_MODEL
# define STRTOF __wcstold_l
# else
# define STRTOF wcstold
# endif
# define MPN2FLOAT __mpn_construct_long_double
# define FLOAT_HUGE_VAL HUGE_VALL
# define USE_WIDE_CHAR 1
# define SET_MANTISSA(flt, mant) \
do { union ieee854_long_double u; \
u.d = (flt); \
if ((mant & 0x7fffffffffffffffULL) == 0) \
mant = 0x4000000000000000ULL; \
u.ieee.mantissa0 = (((mant) >> 32) & 0x7fffffff) | 0x80000000; \
u.ieee.mantissa1 = (mant) & 0xffffffff; \
(flt) = u.d; \
} while (0)
# include <stdlib/strtod.c>
#else
/* There is no `long double' type, use the `double' implementations. */
long double
__wcstold_internal (const wchar_t *nptr, wchar_t **endptr, int group)
{
return __wcstod_internal (nptr, endptr, group);
}
long double
wcstold (const wchar_t *nptr, wchar_t **endptr)
{
return __wcstod_internal (nptr, endptr, 0);
}
#endif
|
