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authorJason Wright <jason@cvs.openbsd.org>2007-06-01 05:56:51 +0000
committerJason Wright <jason@cvs.openbsd.org>2007-06-01 05:56:51 +0000
commit345aee3bce68b6c6fd16ab5b361db8f748e7032e (patch)
tree6214251844650c71b4a1e6b57090d30f296ddad3 /lib
parentdb6f64fa9be9c7c6c3a3e14a0de6c33b59a27e6f (diff)
amd64 version of __signbit() (pedro sized quad floats... really just IEEE
extended padded to 16 bytes)
Diffstat (limited to 'lib')
-rw-r--r--lib/libm/arch/amd64/s_signbitl_e.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/libm/arch/amd64/s_signbitl_e.c b/lib/libm/arch/amd64/s_signbitl_e.c
new file mode 100644
index 00000000000..110377a2e0c
--- /dev/null
+++ b/lib/libm/arch/amd64/s_signbitl_e.c
@@ -0,0 +1,19 @@
+/* $OpenBSD: s_signbitl_e.c,v 1.1 2007/06/01 05:56:50 jason Exp $ */
+
+/*
+ * Written by Jason L. Wright (jason@thought.net) in 2007 and placed
+ * into the public domain.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+/* __signbitl for extended long double */
+
+int
+__signbitl(long double l)
+{
+ ieee_quad_shape_type e;
+ e.value = l;
+ return (e.parts.mswlo & 0x8000);
+}