Add Add Mul pi x0 sech Pow Add x2 Pow x3 x0 x2 x0 
Add Add pi Mul Mul tanh Pow Add x2 Pow x3 x0 x2 Mul -1 sech Pow Add x2 Pow x3 x0 x2 Mul Pow Add x2 Pow x3 x0 Add x2 -1 Mul x2 Mul Pow x3 Add x0 -1 Mul x3 log x3 1 