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1 | /* Copyright (C) 2011-2023 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-float.h> | |
22 | ||
23 | ||
24 | #if LIBM_SVID_COMPAT | |
25 | /* wrapper acoshf */ | |
26 | float | |
27 | __acoshf (float x) | |
28 | { | |
29 | if (__builtin_expect (isless (x, 1.0f), 0) && _LIB_VERSION != _IEEE_) | |
30 | /* acosh(x<1) */ | |
31 | return __kernel_standard_f (x, x, 129); | |
32 | ||
33 | return __ieee754_acoshf (x); | |
34 | } | |
35 | libm_alias_float (__acosh, acosh) | |
36 | #endif |