mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-03 10:21:05 +00:00
31 lines
1.0 KiB
C
31 lines
1.0 KiB
C
/* Double-precision floating point square root.
|
|
Copyright (C) 1997-2014 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 <math.h>
|
|
#include <math_private.h>
|
|
|
|
#undef __ieee754_sqrt
|
|
double
|
|
__ieee754_sqrt (double x)
|
|
{
|
|
double z;
|
|
__asm __volatile ("fsqrt %0,%1" : "=f" (z) : "f" (x));
|
|
return z;
|
|
}
|
|
strong_alias (__ieee754_sqrt, __sqrt_finite)
|