Pow Add x0 sech Mul x1 Mul -0.785352763467717 pi x0 
Mul Pow Add x0 sech Mul x1 Mul -0.785352763467717 pi Add x0 -1 Add x0 Mul Add x0 sech Mul x1 Mul -0.785352763467717 pi log Add x0 sech Mul x1 Mul -0.785352763467717 pi 