atan Add atan Add x0 -0.200000000000000 x2 
Mul Pow Add 1 Mul Add x0 -0.200000000000000 Add x0 -0.200000000000000 -1 Pow Add 1 Mul Add atan Add x0 -0.200000000000000 x2 Add atan Add x0 -0.200000000000000 x2 -1 