Pow tanh Mul -0.250000000000000 x0 Add sqrt pi Mul Add Pow 2 x0 x0 exp x0 
Mul Pow tanh Mul -0.250000000000000 x0 Add Add sqrt pi Mul Add Pow 2 x0 x0 exp x0 -1 Add Mul Add sqrt pi Mul Add Pow 2 x0 x0 exp x0 Mul Pow sech Mul -0.250000000000000 x0 2 -0.250000000000000 Mul Mul tanh Mul -0.250000000000000 x0 log tanh Mul -0.250000000000000 x0 Add Mul exp x0 Add Mul Pow 2 Add x0 -1 2.69314718055995 1 Mul Add Pow 2 x0 x0 exp x0 