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[glibc/nacl-glibc.git] / sysdeps / sparc / sparc32 / e_sqrt.c
blob0be4b6c0ccab693a4bfa22d90aaa3c08babb0719
1 /* Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <errno.h>
20 #include <math.h>
22 #ifndef __GNUC__
23 #error This file uses GNU C extensions; you must compile with GCC.
24 #endif
26 /* Return the square root of X. */
27 double
28 __ieee754_sqrt (x)
29 double x;
31 register double result;
32 asm ("fsqrtd %1, %0" : "=f" (result) : "f" (x));
33 return result;