Mul -1.15782128234958 asec atan Add -1 exp x0 
Mul -1.15782128234958 Mul Mul exp x0 Pow Add 1 Mul Add -1 exp x0 Add -1 exp x0 -1 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul atan Add -1 exp x0 atan Add -1 exp x0 -1 atan Add -1 exp x0 atan Add -1 exp x0 -1 