diff options
Diffstat (limited to 'sysdeps/alpha/fpu/feholdexcpt.c')
| -rw-r--r-- | sysdeps/alpha/fpu/feholdexcpt.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/alpha/fpu/feholdexcpt.c b/sysdeps/alpha/fpu/feholdexcpt.c new file mode 100644 index 0000000000..30758b7c3a --- /dev/null +++ b/sysdeps/alpha/fpu/feholdexcpt.c @@ -0,0 +1,33 @@ +/* Store current floating-point environment and clear exceptions. + Copyright (C) 1997-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson <rth@tamu.edu>, 1997 + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <fenv_libc.h> + +int +feholdexcept (fenv_t *envp) +{ + /* Save the current state. */ + fegetenv(envp); + + /* Clear all exception status bits and exception enable bits. */ + __ieee_set_fp_control(*envp & SWCR_MAP_MASK); + + return 0; +} +libm_hidden_def (feholdexcept) |