+vec_t VectorAccurateNormalize( const vec3_t in, vec3_t out );
+vec_t VectorFastNormalize( const vec3_t in, vec3_t out );
+#if MATHLIB_VECTOR_NORMALIZE_PRECISION_FIX
+#define VectorNormalize VectorAccurateNormalize
+#else
+#define VectorNormalize VectorFastNormalize
+#endif