| /* Copyright (C) 1991-2014 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <math.h> |
| |
| #ifndef __GNUC__ |
| #error This file uses GNU C extensions; you must compile with GCC. |
| #endif |
| |
| /* Return the square root of X. */ |
| double |
| __ieee754_sqrt (x) |
| double x; |
| { |
| register double result; |
| asm ("fsqrtd %1, %0" : "=f" (result) : "f" (x)); |
| return result; |
| } |
| strong_alias (__ieee754_sqrt, __sqrt_finite) |
