vec4 add, sub, mul and div binary operators use unary operators implementation

glm/detail/type_vec4.inl

@@ -722,51 +722,31 @@ namespace detail
 	template <typename T, precision P>
 	GLM_FUNC_QUALIFIER tvec4<T, P> operator/(tvec4<T, P> const & v, T scalar)
 	{
-		return tvec4<T, P>(
-			v.x / scalar,
-			v.y / scalar,
-			v.z / scalar,
-			v.w / scalar);
+		return tvec4<T, P>(v) /= scalar;
 	}
 
 	template <typename T, precision P>
 	GLM_FUNC_QUALIFIER tvec4<T, P> operator/(tvec4<T, P> const & v1, tvec1<T, P> const & v2)
 	{
-		return tvec4<T, P>(
-			v1.x / v2.x,
-			v1.y / v2.x,
-			v1.z / v2.x,
-			v1.w / v2.x);
+		return tvec4<T, P>(v1) /= v2;
 	}
 
 	template <typename T, precision P>
 	GLM_FUNC_QUALIFIER tvec4<T, P> operator/(T scalar, tvec4<T, P> const & v)
 	{
-		return tvec4<T, P>(
-			scalar / v.x,
-			scalar / v.y,
-			scalar / v.z,
-			scalar / v.w);
+		return tvec4<T, P>(scalar) /= v;
 	}
 
 	template <typename T, precision P>
 	GLM_FUNC_QUALIFIER tvec4<T, P> operator/(tvec1<T, P> const & v1, tvec4<T, P> const & v2)
 	{
-		return tvec4<T, P>(
-			v1.x / v2.x,
-			v1.x / v2.y,
-			v1.x / v2.z,
-			v1.x / v2.w);
+		return tvec4<T, P>(v1.x) /= v2;
 	}
 
 	template <typename T, precision P>
 	GLM_FUNC_QUALIFIER tvec4<T, P> operator/(tvec4<T, P> const & v1, tvec4<T, P> const & v2)
 	{
-		return tvec4<T, P>(
-			v1.x / v2.x,
-			v1.y / v2.y,
-			v1.z / v2.z,
-			v1.w / v2.w);
+		return tvec4<T, P>(v1) /= v2;
 	}
 
 	// -- Binary bit operators --