Current File : //glibc-2.29/sysdeps/x86_64/fpu/e_sqrt.c
/* Square root of floating point number.
Copyright (C) 2002-2019 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>
#undef __ieee754_sqrt
double
__ieee754_sqrt (double x)
{
double res;
asm ("sqrtsd %1, %0" : "=x" (res) : "xm" (x));
return res;
}
strong_alias (__ieee754_sqrt, __sqrt_finite)
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