glibc/math/w_exp10_compat.c
Wilco Dijkstra 08ddd26814 math: remove exp10 wrappers
Remove the error handling wrapper from exp10.  This is very similar to
the changes done to exp and exp2, except that we also need to handle
pow10 and pow10l.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2024-01-12 16:02:12 +00:00

74 lines
2.1 KiB
C

/* Copyright (C) 2011-2024 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
<https://www.gnu.org/licenses/>. */
/*
* wrapper exp10(x)
*/
#include <math.h>
#include <math_private.h>
#include <math-svid-compat.h>
#include <libm-alias-double.h>
#ifndef NO_COMPAT_NEEDED
# define NO_COMPAT_NEEDED 0
#endif
#if LIBM_SVID_COMPAT && (SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_39) \
|| defined NO_LONG_DOUBLE \
|| defined LONG_DOUBLE_COMPAT)
double
__exp10_compat (double x)
{
double z = __ieee754_exp10 (x);
if (__builtin_expect (!isfinite (z) || z == 0, 0)
&& isfinite (x) && _LIB_VERSION != _IEEE_)
/* exp10 overflow (46) if x > 0, underflow (47) if x < 0. */
return __kernel_standard (x, x, 46 + !!signbit (x));
return z;
}
# if NO_COMPAT_NEEDED
# ifdef SHARED
libm_alias_double (__exp10_compat, exp10)
# endif
#else
# if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_39)
compat_symbol (libm, __exp10_compat, exp10, GLIBC_2_1);
# endif
# ifdef NO_LONG_DOUBLE
weak_alias (__exp10_compat, exp10l)
# endif
# ifdef LONG_DOUBLE_COMPAT
LONG_DOUBLE_COMPAT_CHOOSE_libm_exp10l (
compat_symbol (libm, __exp10_compat, exp10l, FIRST_VERSION_libm_exp10l), );
# endif
# endif
# if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)
strong_alias (__exp10_compat, __pow10)
compat_symbol (libm, __pow10, pow10, GLIBC_2_1);
# endif
# ifdef NO_LONG_DOUBLE
# if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)
strong_alias (exp10l, __pow10l)
compat_symbol (libm, __pow10l, pow10l, GLIBC_2_1);
# endif
# endif
#endif