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[glibc/history.git] / sysdeps / sh / sh4 / fpu / feholdexcpt.c
blob7aac5a0d39e71153d8e92ddcc51ac338401c8a68
1 /* Store current floating-point environment and clear exceptions.
2 Copyright (C) 1997, 1998, 1999, 2000, 2005 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
7 License as published by the Free Software Foundation; either
8 version 2.1 of the 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <fenv.h>
21 #include <fpu_control.h>
23 int
24 feholdexcept (fenv_t *envp)
26 unsigned long int temp;
28 /* Store the environment. */
29 _FPU_GETCW (temp);
30 envp->__fpscr = temp;
32 /* Now set all exceptions to non-stop. */
33 temp &= ~FE_ALL_EXCEPT;
34 _FPU_SETCW (temp);
36 return 1;
38 libm_hidden_def (feholdexcept)