| 1 | /* Private inline math functions for x86. |
| 2 | Copyright (C) 1995-2022 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 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. |
| 9 | |
| 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. |
| 14 | |
| 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 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef X86_MATH_PRIVATE_H |
| 20 | #define X86_MATH_PRIVATE_H 1 |
| 21 | |
| 22 | #include_next <math_private.h> |
| 23 | |
| 24 | __extern_always_inline long double |
| 25 | __NTH (__ieee754_atan2l (long double y, long double x)) |
| 26 | { |
| 27 | long double ret; |
| 28 | __asm__ __volatile__ ("fpatan" : "=t" (ret) : "0" (x), "u" (y) : "st(1)" ); |
| 29 | return ret; |
| 30 | } |
| 31 | |
| 32 | #endif |
| 33 | |