Add log x0 Pow Mul Mul Mul -0.247466461547263 Add x0 pi x0 exp pi Add -4 x3 
Add Pow x0 -1 Mul Pow Mul Mul Mul -0.247466461547263 Add x0 pi x0 exp pi Add Add -4 x3 -1 Mul Add -4 x3 Mul exp pi Add Mul x0 -0.247466461547263 Mul -0.247466461547263 Add x0 pi 