Update.
[glibc.git] / soft-fp / sqrtsf2.c
blobdd83cb9e3e1a5a5f77b2278c95be540a46f7a1bd
1 /* Software floating-point emulation.
2 Return sqrt(a)
3 Copyright (C) 1997,1999 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Richard Henderson (rth@cygnus.com) and
6 Jakub Jelinek (jj@ultra.linux.cz).
8 The GNU C Library is free software; you can redistribute it and/or
9 modify it under the terms of the GNU Library General Public License as
10 published by the Free Software Foundation; either version 2 of the
11 License, or (at your option) any later version.
13 The GNU C Library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Library General Public License for more details.
18 You should have received a copy of the GNU Library General Public
19 License along with the GNU C Library; see the file COPYING.LIB. If
20 not, write to the Free Software Foundation, Inc.,
21 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 #include "soft-fp.h"
24 #include "single.h"
26 float __sqrtsf2(float a)
28 FP_DECL_EX;
29 FP_DECL_S(A); FP_DECL_S(R);
30 float r;
32 FP_INIT_ROUNDMODE;
33 FP_UNPACK_S(A, a);
34 FP_SQRT_S(R, A);
35 FP_PACK_S(r, R);
36 FP_HANDLE_EXCEPTIONS;
38 return r;