Mul Mul Pow x0 x0 x1 Mul cot atan x1 exp Mul Pow x0 Add x0 -0.785398163397448 -1 
Add Mul Mul cot atan x1 exp Mul Pow x0 Add x0 -0.785398163397448 -1 Mul x1 Mul Pow x0 Add x0 -1 Add x0 Mul x0 log x0 Mul Mul Pow x0 x0 x1 Mul cot atan x1 Mul exp Mul Pow x0 Add x0 -0.785398163397448 -1 Mul -1 Mul Pow x0 Add Add x0 -0.785398163397448 -1 Add Add x0 -0.785398163397448 Mul x0 log x0 