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Diffstat (limited to 'ports/sysdeps/alpha/fpu/feholdexcpt.c')
-rw-r--r--ports/sysdeps/alpha/fpu/feholdexcpt.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/fpu/feholdexcpt.c b/ports/sysdeps/alpha/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..9242d9c310
--- /dev/null
+++ b/ports/sysdeps/alpha/fpu/feholdexcpt.c
@@ -0,0 +1,33 @@
+/* Store current floating-point environment and clear exceptions.
+ Copyright (C) 1997, 2000, 2005 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)