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 | #define NO_MATH_REDIRECT |
19 | #define dsqrtl __hide_dsqrtl |
20 | #define f32xsqrtf64 __hide_f32xsqrtf64 |
21 | #include <math.h> |
22 | #undef dsqrtl |
23 | #undef f32xsqrtf64 |
24 | #include <math_private.h> |
25 | #include <math-svid-compat.h> |
26 | #include <math-narrow-alias.h> |
27 | #include <libm-alias-double.h> |
28 | |
29 | |
30 | #if LIBM_SVID_COMPAT |
31 | /* wrapper sqrt */ |
32 | double |
33 | __sqrt (double x) |
34 | { |
35 | if (__builtin_expect (isless (x, 0.0), 0) && _LIB_VERSION != _IEEE_) |
36 | return __kernel_standard (x, x, 26); /* sqrt(negative) */ |
37 | |
38 | return __ieee754_sqrt (x); |
39 | } |
40 | libm_alias_double (__sqrt, sqrt) |
41 | libm_alias_double_narrow (__sqrt, sqrt) |
42 | #endif |
43 | |