95 	friend Vec4 operator+( Vec4::Arg left, Vec4::Arg right  )
97 		Vec4 copy( left );
101 	friend Vec4 operator-( Vec4::Arg left, Vec4::Arg right  )
103 		Vec4 copy( left );
107 	friend Vec4 operator*( Vec4::Arg left, Vec4::Arg right  )
109 		Vec4 copy( left );
135 	friend Vec4 Min( Vec4::Arg left, Vec4::Arg right )  in Min()  argument
138 			std::min( left.m_x, right.m_x ),   in Min()
139 			std::min( left.m_y, right.m_y ),   in Min()
140 			std::min( left.m_z, right.m_z ),   in Min()
141 			std::min( left.m_w, right.m_w )   in Min()
145 	friend Vec4 Max( Vec4::Arg left, Vec4::Arg right )  in Max()  argument
148 			std::max( left.m_x, right.m_x ),   in Max()
149 			std::max( left.m_y, right.m_y ),   in Max()
150 			std::max( left.m_z, right.m_z ),   in Max()
151 			std::max( left.m_w, right.m_w )   in Max()
165 	friend bool CompareAnyLessThan( Vec4::Arg left, Vec4::Arg right )   in CompareAnyLessThan()  argument
167 		return left.m_x < right.m_x  in CompareAnyLessThan()
168 			|| left.m_y < right.m_y  in CompareAnyLessThan()
169 			|| left.m_z < right.m_z  in CompareAnyLessThan()
170 			|| left.m_w < right.m_w;  in CompareAnyLessThan()