/* Copyright (C) 1991, 1992, 1997 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 <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__ieee754_sqrt (x)     double x;{  register double result;  asm ("fsqrtd %1, %0" : "=f" (result) : "f" (x));  return result;}