diff --git a/ap/build/uClibc/libm/s_finitef.c b/ap/build/uClibc/libm/s_finitef.c
new file mode 100644
index 0000000..b427ea6
--- /dev/null
+++ b/ap/build/uClibc/libm/s_finitef.c
@@ -0,0 +1,33 @@
+/* s_finitef.c -- float version of s_finite.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.
+ * ====================================================
+ */
+
+/*
+ * finitef(x) returns 1 is x is finite, else 0;
+ * no branching!
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+int __finitef(float x)
+{
+	u_int32_t ix;
+
+	GET_FLOAT_WORD(ix, x);
+	/* Finite numbers have at least one zero bit in exponent. */
+	/* All other numbers will result in 0xffffffff after OR: */
+	return (ix | 0x807fffff) != 0xffffffff;
+}
+libm_hidden_def(__finitef)