1 /* Enable floating-point exceptions.
2 Copyright (C) 2000-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
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, see
18 <http://www.gnu.org/licenses/>. */
20 #include <fenv_libc.h>
21 #include <fpu_control.h>
24 feenableexcept (int excepts
)
26 fexcept_t temp
, old_exc
, new_flags
;
29 old_exc
= (temp
& FPC_EXCEPTION_MASK
) >> FPC_EXCEPTION_MASK_SHIFT
;
30 new_flags
= (temp
| ((excepts
& FE_ALL_EXCEPT
) << FPC_EXCEPTION_MASK_SHIFT
));
31 _FPU_SETCW (new_flags
);