Index: uspace/lib/posix/math.h
===================================================================
--- uspace/lib/posix/math.h	(revision 14aa03aefa0b16c9ab45004d2aae1856af366cb4)
+++ uspace/lib/posix/math.h	(revision b9a46fc8f6bdb0f4677773cfe10a64cbaa371c49)
@@ -36,5 +36,12 @@
 #define POSIX_MATH_H_
 
-/* Empty. Just to satisfy preprocessor. */
+/* Normalization Functions */
+extern double posix_ldexp(double x, int exp);
+extern double posix_frexp(double num, int *exp);
+
+#ifndef LIBPOSIX_INTERNAL
+	#define ldexp posix_ldexp
+	#define frexp posix_frexp
+#endif
 
 #endif /* POSIX_MATH_H_ */