Retro68/gcc/libquadmath/strtod/strtoflt128.c
Wolfgang Thaller 6fbf4226da gcc-9.1
2019-06-20 20:10:10 +02:00

54 lines
1.8 KiB
C

/* Copyright (C) 1999, 2004 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* The actual implementation for all floating point sizes is in strtod.c.
These macros tell it to produce the `__float128' version, `strtold'. */
#define FLOAT __float128
#define FLT FLT128
#ifdef USE_WIDE_CHAR
# define STRTOF wcstoflt128
# define __STRTOF __wcstoflt128
#else
# define STRTOF strtoflt128
# define __STRTOF __strtoflt128
#endif
#define MPN2FLOAT mpn_construct_float128
#define FLOAT_HUGE_VAL HUGE_VALQ
#define SET_MANTISSA(flt, mant) \
do { ieee854_float128 u; \
u.value = (flt); \
u.ieee_nan.mantissa0 = 0; \
u.ieee_nan.mantissa1 = 0; \
u.ieee_nan.mantissa2 = (mant) >> 32; \
u.ieee_nan.mantissa3 = (mant); \
u.ieee_nan.quiet_nan = 1; \
(flt) = u.value; \
} while (0)
static inline __attribute__((__always_inline__))
__float128 ____strtoflt128_internal (const char *, char **, int);
#include "strtod_l.c"
__float128
strtoflt128 (const char *nptr, char **endptr)
{
return ____STRTOF_INTERNAL (nptr, endptr, 0);
}