Add pi Pow x4 Add x7 Pow atan Mul x7 -0.0366435703258656 x0 
Mul Pow x4 Add Add x7 Pow atan Mul x7 -0.0366435703258656 x0 -1 Mul Mul x4 log x4 Mul Pow atan Mul x7 -0.0366435703258656 Add x0 -1 Mul atan Mul x7 -0.0366435703258656 log atan Mul x7 -0.0366435703258656 