.
[glibc/history.git] / sysdeps / sh / sh4 / fpu / fclrexcpt.c
blobe10042ff33c2a053187340784e04a640633e5097
1 /* Clear given exceptions in current floating-point environment.
2 Copyright (C) 1998, 2000 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <fenv.h>
22 #include <fpu_control.h>
24 int
25 feclearexcept (int excepts)
27 int cw;
29 /* Mask out unsupported bits/exceptions. */
30 excepts &= FE_ALL_EXCEPT;
32 /* Read the complete control word. */
33 _FPU_GETCW (cw);
35 /* Clear exception bits. */
36 cw &= ~excepts;
38 /* Put the new data in effect. */
39 _FPU_SETCW (cw);
41 return 0;