asech Mul x0 Pow asec Add exp x2 1.81844645923207 tanh x0 
Mul Add Pow asec Add exp x2 1.81844645923207 tanh x0 Mul x0 Mul Pow asec Add exp x2 1.81844645923207 Add tanh x0 -1 Mul Mul asec Add exp x2 1.81844645923207 log asec Add exp x2 1.81844645923207 Pow sech x0 2 Pow Mul Mul Mul x0 Pow asec Add exp x2 1.81844645923207 tanh x0 Mul x0 Pow asec Add exp x2 1.81844645923207 tanh x0 sqrt Add 1 Mul -1 Pow Mul Mul x0 Pow asec Add exp x2 1.81844645923207 tanh x0 Mul x0 Pow asec Add exp x2 1.81844645923207 tanh x0 -1 -1 