glibc/sysdeps/aarch64/fpu/e_sqrtf.c

29 lines
1.0 KiB
C

/* Single-precision floating point square root.
Copyright (C) 2015-2016 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_private.h>
float
__ieee754_sqrtf (float s)
{
float res;
asm ("fsqrt %s0, %s1" : "=w" (res) : "w" (s));
return res;
}
strong_alias (__ieee754_sqrtf, __sqrtf_finite)