1 /* Copyright (C) 2011-2022 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <math.h>
19 #include <math_private.h>
20 #include <math-svid-compat.h>
21 #include <libm-alias-ldouble.h>
22 
23 
24 #if LIBM_SVID_COMPAT
25 /* wrapper acosl */
26 long double
__acoshl(long double x)27 __acoshl (long double x)
28 {
29   if (__builtin_expect (isless (x, 1.0L), 0) && _LIB_VERSION != _IEEE_)
30     /* acosh(x<1) */
31     return __kernel_standard_l (x, x, 229);
32 
33   return __ieee754_acoshl (x);
34 }
35 libm_alias_ldouble (__acosh, acosh)
36 #endif
37