diff --git a/libm/src/s_significandf.c b/libm/src/s_significandf.c
new file mode 100644
index 0000000..b3e341d
--- /dev/null
+++ b/libm/src/s_significandf.c
@@ -0,0 +1,27 @@
+/* s_significandf.c -- float version of s_significand.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * 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.
+ * ====================================================
+ */
+
+#ifndef lint
+static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_significandf.c,v 1.7 2002/05/28 18:15:04 alfred Exp $";
+#endif
+
+#include "math.h"
+#include "math_private.h"
+
+float
+significandf(float x)
+{
+	return __ieee754_scalbf(x,(float) -ilogbf(x));
+}