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Diffstat (limited to 'ports/sysdeps/alpha/fpu/ftestexcept.c')
-rw-r--r--ports/sysdeps/alpha/fpu/ftestexcept.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/fpu/ftestexcept.c b/ports/sysdeps/alpha/fpu/ftestexcept.c
new file mode 100644
index 0000000000..d1aec0193f
--- /dev/null
+++ b/ports/sysdeps/alpha/fpu/ftestexcept.c
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+/* Test exception in current environment.
+ Copyright (C) 1997, 2000 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
+fetestexcept (int excepts)
+{
+ unsigned long tmp;
+
+ /* Get current exceptions. */
+ tmp = __ieee_get_fp_control();
+
+ return tmp & excepts & SWCR_STATUS_MASK;
+}
+libm_hidden_def (fetestexcept)