Mul x0 sech Add Add -0.247466461547263 x0 acos x0 
Add sech Add Add -0.247466461547263 x0 acos x0 Mul x0 Mul Mul tanh Add Add -0.247466461547263 x0 acos x0 Mul -1 sech Add Add -0.247466461547263 x0 acos x0 Add 1 Mul -1 Pow sqrt Add 1 Mul -1 Mul x0 x0 -1 