| 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 | |