[Feat] (...): Add GLES Backend.

include/glm/gtx/scalar_relational.inl

@@ -0,0 +1,88 @@
+/// @ref gtx_scalar_relational
+
+namespace glm
+{
+	template<typename T>
+	GLM_FUNC_QUALIFIER bool lessThan
+	(
+		T const& x,
+		T const& y
+	)
+	{
+		return x < y;
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER bool lessThanEqual
+	(
+		T const& x,
+		T const& y
+	)
+	{
+		return x <= y;
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER bool greaterThan
+	(
+		T const& x,
+		T const& y
+	)
+	{
+		return x > y;
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER bool greaterThanEqual
+	(
+		T const& x,
+		T const& y
+	)
+	{
+		return x >= y;
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER bool equal
+	(
+		T const& x,
+		T const& y
+	)
+	{
+		return detail::compute_equal<T, std::numeric_limits<T>::is_iec559>::call(x, y);
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER bool notEqual
+	(
+		T const& x,
+		T const& y
+	)
+	{
+		return !detail::compute_equal<T, std::numeric_limits<T>::is_iec559>::call(x, y);
+	}
+
+	GLM_FUNC_QUALIFIER bool any
+	(
+		bool const& x
+	)
+	{
+		return x;
+	}
+
+	GLM_FUNC_QUALIFIER bool all
+	(
+		bool const& x
+	)
+	{
+		return x;
+	}
+
+	GLM_FUNC_QUALIFIER bool not_
+	(
+		bool const& x
+	)
+	{
+		return !x;
+	}
+}//namespace glm