changes for nix

include/glm/gtx/float_normalize.inl

@@ -0,0 +1,13 @@
+/// @ref gtx_float_normalize
+
+#include <limits>
+
+namespace glm
+{
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<L, float, Q> floatNormalize(vec<L, T, Q> const& v)
+	{
+		return vec<L, float, Q>(v) / static_cast<float>(std::numeric_limits<T>::max());
+	}
+
+}//namespace glm