mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-17 18:40:14 +00:00
5be4316ea2
1999-03-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * stdlib/strtod.c (round_and_return): Fix rounding of denormals. (DENORM_EXP): New define. Use it as the exponent for a denormal. * stdlib/strtold.c: Moved to ... * sysdeps/generic/strtold.c: ... here. * sysdeps/m68k/strtold.c: New file. 1999-03-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * stdio-common/printf_fphex.c (__printf_fphex): Print no decimal point if the precision is zero, even if the mantissa is non-zero.
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
#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, `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"
|
|
#else
|
|
# include <stdlib.h>
|
|
/* There is no `long double' type, use the `double' implementations. */
|
|
long double
|
|
__strtold_internal (const char *nptr, char **endptr, int group)
|
|
{
|
|
return __strtod_internal (nptr, endptr, group);
|
|
}
|
|
|
|
long double
|
|
strtold (const char *nptr, char **endptr)
|
|
{
|
|
return __strtod_internal (nptr, endptr, 0);
|
|
}
|
|
#endif
|