glibc/sysdeps/ieee754/ldbl-96/strtold.c

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1999-07-14 00:54:57 +00:00
/* Copyright (C) 1999 Free Software Foundation, Inc.
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>
/* 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_IN_EXTENDED_LOCALE_MODEL
# define STRTOF __strtold_l
# else
# define STRTOF strtold
# endif
# define MPN2FLOAT __mpn_construct_long_double
# define FLOAT_HUGE_VAL HUGE_VALL
# 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 "strtod.c"