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authorMike Frysinger <vapier@gentoo.org>2006-02-14 04:45:42 +0000
committerMike Frysinger <vapier@gentoo.org>2006-02-14 04:45:42 +0000
commite02dbd7cd75489dd1adc25aedc1a3b1e9a1b6b57 (patch)
treebcd963b66cfbbd4f3aedfc892a20431e3ae9a5fc /test/math/test-fpucw.c
parent492ed006b47a69f0d4930f18eec50d605dfff6c9 (diff)
grab from glibc
Diffstat (limited to 'test/math/test-fpucw.c')
-rw-r--r--test/math/test-fpucw.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/test/math/test-fpucw.c b/test/math/test-fpucw.c
new file mode 100644
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--- /dev/null
+++ b/test/math/test-fpucw.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 2000.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <fpu_control.h>
+#include <stdio.h>
+
+int
+main (void)
+{
+#ifdef _FPU_GETCW
+/* Some architectures don't have _FPU_GETCW (e.g. Linux/Alpha). */
+ fpu_control_t cw;
+
+ _FPU_GETCW (cw);
+
+ cw &= ~_FPU_RESERVED;
+
+ if (cw != (_FPU_DEFAULT & ~_FPU_RESERVED))
+ printf ("control word is 0x%lx but should be 0x%lx.\n",
+ (long int) cw, (long int) (_FPU_DEFAULT & ~_FPU_RESERVED));
+
+ return cw != (_FPU_DEFAULT & ~_FPU_RESERVED);
+
+#else
+ return 0;
+#endif
+}