Add x0 Pow Add x0 -0.642092615934331 log sech x0 
Add 1 Mul Pow Add x0 -0.642092615934331 Add log sech x0 -1 Add log sech x0 Mul Mul Add x0 -0.642092615934331 log Add x0 -0.642092615934331 Mul Mul tanh x0 Mul -1 sech x0 Pow sech x0 -1 