glibc/math/w_acoshl_compat.c

37 lines
1.2 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/>. */
#include <math.h>
#include <math_private.h>
#include <math-svid-compat.h>
#include <libm-alias-ldouble.h>
#if LIBM_SVID_COMPAT
/* wrapper acosl */
long double
__acoshl (long double x)
{
if (__builtin_expect (isless (x, 1.0L), 0) && _LIB_VERSION != _IEEE_)
/* acosh(x<1) */
return __kernel_standard_l (x, x, 229);
return __ieee754_acoshl (x);
}
libm_alias_ldouble (__acosh, acosh)
#endif