mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 01:21:06 +00:00
0ac5ae2335
libm is now somewhat integrated with gcc's -ffinite-math-only option and lots of the wrapper functions have been optimized.
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
/* Square root of floating point number.
|
|
Copyright (C) 2002, 2011 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <math_private.h>
|
|
|
|
#undef __ieee754_sqrtf
|
|
float
|
|
__ieee754_sqrtf (float x)
|
|
{
|
|
float res;
|
|
|
|
asm ("sqrtss %1, %0" : "=x" (res) : "xm" (x));
|
|
|
|
return res;
|
|
}
|
|
strong_alias (__ieee754_sqrtf, __sqrtf_finite)
|