1 files changed, 29 insertions, 0 deletions
diff --git a/lib/msun/src/s_significand.c b/lib/msun/src/s_significand.c
new file mode 100644
index 0000000..356e300
--- /dev/null
+++ b/lib/msun/src/s_significand.c
@@ -0,0 +1,29 @@
+/* @(#)s_signif.c 5.1 93/09/24 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * significand(x) computes just
+ * 	scalb(x, (double) -ilogb(x)),
+ * for exercising the fraction-part(F) IEEE 754-1985 test vector.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+double
+significand(double x)
+{
+	return __ieee754_scalb(x,(double) -ilogb(x));
+}