739 return Return_t(lhs(0, 0) * rhs(0, 0) + lhs(0, 1) * rhs(1, 0) + lhs(0, 2) * rhs(2, 0) + lhs(0, 3) * rhs(3, 0),
740 lhs(0, 0) * rhs(0, 1) + lhs(0, 1) * rhs(1, 1) + lhs(0, 2) * rhs(2, 1) + lhs(0, 3) * rhs(3, 1),
741 lhs(0, 0) * rhs(0, 2) + lhs(0, 1) * rhs(1, 2) + lhs(0, 2) * rhs(2, 2) + lhs(0, 3) * rhs(3, 2),
742 lhs(0, 0) * rhs(0, 3) + lhs(0, 1) * rhs(1, 3) + lhs(0, 2) * rhs(2, 3) + lhs(0, 3) * rhs(3, 3),
743 lhs(1, 0) * rhs(0, 0) + lhs(1, 1) * rhs(1, 0) + lhs(1, 2) * rhs(2, 0) + lhs(1, 3) * rhs(3, 0),
744 lhs(1, 0) * rhs(0, 1) + lhs(1, 1) * rhs(1, 1) + lhs(1, 2) * rhs(2, 1) + lhs(1, 3) * rhs(3, 1),
745 lhs(1, 0) * rhs(0, 2) + lhs(1, 1) * rhs(1, 2) + lhs(1, 2) * rhs(2, 2) + lhs(1, 3) * rhs(3, 2),
746 lhs(1, 0) * rhs(0, 3) + lhs(1, 1) * rhs(1, 3) + lhs(1, 2) * rhs(2, 3) + lhs(1, 3) * rhs(3, 3),
747 lhs(2, 0) * rhs(0, 0) + lhs(2, 1) * rhs(1, 0) + lhs(2, 2) * rhs(2, 0) + lhs(2, 3) * rhs(3, 0),
748 lhs(2, 0) * rhs(0, 1) + lhs(2, 1) * rhs(1, 1) + lhs(2, 2) * rhs(2, 1) + lhs(2, 3) * rhs(3, 1),
749 lhs(2, 0) * rhs(0, 2) + lhs(2, 1) * rhs(1, 2) + lhs(2, 2) * rhs(2, 2) + lhs(2, 3) * rhs(3, 2),
750 lhs(2, 0) * rhs(0, 3) + lhs(2, 1) * rhs(1, 3) + lhs(2, 2) * rhs(2, 3) + lhs(2, 3) * rhs(3, 3),
751 lhs(3, 0) * rhs(0, 0) + lhs(3, 1) * rhs(1, 0) + lhs(3, 2) * rhs(2, 0) + lhs(3, 3) * rhs(3, 0),
752 lhs(3, 0) * rhs(0, 1) + lhs(3, 1) * rhs(1, 1) + lhs(3, 2) * rhs(2, 1) + lhs(3, 3) * rhs(3, 1),
753 lhs(3, 0) * rhs(0, 2) + lhs(3, 1) * rhs(1, 2) + lhs(3, 2) * rhs(2, 2) + lhs(3, 3) * rhs(3, 2),
754 lhs(3, 0) * rhs(0, 3) + lhs(3, 1) * rhs(1, 3) + lhs(3, 2) * rhs(2, 3) + lhs(3, 3) * rhs(3, 3));
TinyMatrix< Type_t, 4, 4 > Return_t