Y mul x1 mul pow add mul x1 add c add x2 add mul c x1 add mul c pow x2 c mul pow add mul c x2 abs x1 c add x2 x1 cos x1 c add c add x1 add pow x2 c add mul c x2 add mul c mul pow add mul c x2 abs x1 c add x2 x1 mul x1 mul pow add mul c x2 abs x1 c mul add x2 x1 sign x1