glibc/math/w_exp10_compat.c
Paul Eggert 581c785bf3 Update copyright dates with scripts/update-copyrights
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2022-01-01 11:40:24 -08:00

52 lines
1.6 KiB
C

/* Copyright (C) 2011-2022 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>
#if LIBM_SVID_COMPAT
double
__exp10 (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;
}
libm_alias_double (__exp10, exp10)
# if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)
strong_alias (__exp10, __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