mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/* Copyright (C) 1991, 1992 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
#include <ansidecl.h>
|
|
#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
|
|
DEFUN(sqrt, (x), double x)
|
|
{
|
|
register double result;
|
|
asm("fsqrtd %1, %0" : "=f" (result) : "f" (x));
|
|
return result;
|
|
}
|