Add Mul Pow Add x0 Mul Add x0 x0 exp x0 x3 Add -0.0134765058305891 x4 log pi 
Mul Add -0.0134765058305891 x4 Mul Pow Add x0 Mul Add x0 x0 exp x0 Add x3 -1 Mul x3 Add 1 Add Mul exp x0 2 Mul Add x0 x0 exp x0 