blob: 16344f546c60f2b71310905ae2060799208e1717 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* 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/>. */
#include <fenv.h>
#include <math.h>
#include <math_private.h>
#include <math-svid-compat.h>
#include <libm-alias-float.h>
#if LIBM_SVID_COMPAT
/* wrapper acosf */
float
__acosf (float x)
{
if (__builtin_expect (isgreater (fabsf (x), 1.0f), 0)
&& _LIB_VERSION != _IEEE_)
{
/* acos(|x|>1) */
feraiseexcept (FE_INVALID);
return __kernel_standard_f (x, x, 101);
}
return __ieee754_acosf (x);
}
libm_alias_float (__acos, acos)
#endif
|
