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[glibc.git] / ports / sysdeps / aarch64 / fpu / fsetexcptflg.c
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1 /* Copyright (C) 1997-2013 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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 License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
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.
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 <http://www.gnu.org/licenses/>. */
19 #include <fenv.h>
20 #include <math.h>
21 #include <fpu_control.h>
23 int
24 fesetexceptflag (const fexcept_t *flagp, int excepts)
26 fpu_fpsr_t fpsr;
28 /* Get the current environment. */
29 _FPU_GETFPSR (fpsr);
31 /* Set the desired exception mask. */
32 fpsr &= ~(excepts & FE_ALL_EXCEPT);
33 fpsr |= (*flagp & excepts & FE_ALL_EXCEPT);
35 /* Save state back to the FPU. */
36 _FPU_SETFPSR (fpsr);
38 return 0;