[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/math/s_significandf.c b/ap/libc/glibc/glibc-2.22/math/s_significandf.c
new file mode 100644
index 0000000..876e539
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/math/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.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: s_significandf.c,v 1.3 1995/05/10 20:48:13 jtc Exp $";
+#endif
+
+#include <math.h>
+#include <math_private.h>
+
+float __significandf(float x)
+{
+	return __ieee754_scalbf(x,(float) -__ilogbf(x));
+}
+weak_alias (__significandf, significandf)