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-rw-r--r--ports/sysdeps/arm/ftestexcept.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/ftestexcept.c b/ports/sysdeps/arm/ftestexcept.c
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+++ b/ports/sysdeps/arm/ftestexcept.c
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+/* Test exception in current environment.
+ Copyright (C) 1997, 1998, 2005, 2010 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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.h>
+#include <fpu_control.h>
+
+#include <unistd.h>
+#include <ldsodefs.h>
+#include <dl-procinfo.h>
+#include <sysdep.h>
+
+int
+fetestexcept (int excepts)
+{
+ if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ {
+ fexcept_t temp;
+
+ /* Get current exceptions. */
+ _FPU_GETCW(temp);
+
+ return temp & excepts & FE_ALL_EXCEPT;
+ }
+
+ /* Unsupported, return 0. */
+ return 0;
+}
+libm_hidden_def (fetestexcept)