Add ktx

ktx/other_include/glm/gtx/optimum_pow.inl

@@ -0,0 +1,23 @@
+/// @ref gtx_optimum_pow
+/// @file glm/gtx/optimum_pow.inl
+
+namespace glm
+{
+	template<typename genType>
+	GLM_FUNC_QUALIFIER genType pow2(genType const & x)
+	{
+		return x * x;
+	}
+
+	template<typename genType>
+	GLM_FUNC_QUALIFIER genType pow3(genType const & x)
+	{
+		return x * x * x;
+	}
+
+	template<typename genType>
+	GLM_FUNC_QUALIFIER genType pow4(genType const & x)
+	{
+		return (x * x) * (x * x);
+	}
+}//namespace glm