mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-11 07:40:05 +00:00
68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/* Copyright (C) 1999, 2006, 2007 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
#include <wchar.h>
|
|
#include <xlocale.h>
|
|
|
|
/* The actual implementation for all floating point sizes is in strtod.c.
|
|
These macros tell it to produce the `long double' version, `strtold'. */
|
|
|
|
#define FLOAT long double
|
|
#define FLT LDBL
|
|
#ifdef USE_WIDE_CHAR
|
|
extern long double ____new_wcstold_l (const wchar_t *, wchar_t **, __locale_t);
|
|
# define STRTOF __new_wcstold_l
|
|
# define __STRTOF ____new_wcstold_l
|
|
# define ____STRTOF_INTERNAL ____wcstold_l_internal
|
|
#else
|
|
extern long double ____new_strtold_l (const char *, char **, __locale_t);
|
|
# define STRTOF __new_strtold_l
|
|
# define __STRTOF ____new_strtold_l
|
|
# define ____STRTOF_INTERNAL ____strtold_l_internal
|
|
#endif
|
|
extern __typeof (__STRTOF) STRTOF;
|
|
libc_hidden_proto (__STRTOF)
|
|
libc_hidden_proto (STRTOF)
|
|
#define MPN2FLOAT __mpn_construct_long_double
|
|
#define FLOAT_HUGE_VAL HUGE_VALL
|
|
# define SET_MANTISSA(flt, mant) \
|
|
do { union ibm_extended_long_double u; \
|
|
u.d = (flt); \
|
|
if ((mant & 0xfffffffffffffULL) == 0) \
|
|
mant = 0x8000000000000ULL; \
|
|
u.ieee.mantissa0 = ((mant) >> 32) & 0xfffff; \
|
|
u.ieee.mantissa1 = (mant) & 0xffffffff; \
|
|
(flt) = u.d; \
|
|
} while (0)
|
|
|
|
#include <strtod_l.c>
|
|
|
|
#ifdef __LONG_DOUBLE_MATH_OPTIONAL
|
|
# include <math_ldbl_opt.h>
|
|
# ifdef USE_WIDE_CHAR
|
|
weak_alias (____new_wcstold_l, ___new_wcstold_l);
|
|
long_double_symbol (libc, ___new_wcstold_l, wcstold_l);
|
|
long_double_symbol (libc, ____new_wcstold_l, __wcstold_l);
|
|
# else
|
|
weak_alias (____new_strtold_l, ___new_strtold_l);
|
|
long_double_symbol (libc, ___new_strtold_l, strtold_l);
|
|
long_double_symbol (libc, ____new_strtold_l, __strtold_l);
|
|
# endif
|
|
#endif
|