Add sysdeps/ieee754/soft-fp.
[glibc.git] / math / w_acosl_compat.c
blobd20c58b09380be00f46014e0cd0256258eaeb06d
1 /* Copyright (C) 2011-2017 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <fenv.h>
20 #include <math.h>
21 #include <math_private.h>
22 #include <math-svid-compat.h>
23 #include <libm-alias-ldouble.h>
26 #if LIBM_SVID_COMPAT
27 /* wrapper acosl */
28 long double
29 __acosl (long double x)
31 if (__builtin_expect (isgreater (fabsl (x), 1.0L), 0)
32 && _LIB_VERSION != _IEEE_)
34 /* acos(|x|>1) */
35 feraiseexcept (FE_INVALID);
36 return __kernel_standard_l (x, x, 201);
39 return __ieee754_acosl (x);
41 libm_alias_ldouble (__acos, acos)
42 #endif