1 /* Clear given exceptions in current floating-point environment.
2 Copyright (C) 1998-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <fenv.h>
20 #include <fpu_control.h>
21
22 int
feclearexcept(int excepts)23 feclearexcept (int excepts)
24 {
25 fpu_control_t cw;
26
27 /* Mask out unsupported bits/exceptions. */
28 excepts &= FE_ALL_EXCEPT;
29
30 /* Read the complete control word. */
31 _FPU_GETCW (cw);
32
33 /* Clear exception bits. */
34 cw &= ~excepts;
35
36 /* Put the new data in effect. */
37 _FPU_SETCW (cw);
38
39 return 0;
40 }
41 libm_hidden_def (feclearexcept)
42