atanh Add Add x7 Add x0 Mul Mul x0 4 x1 sec Add -2.31243834127275 pi 
Mul Add 1 Mul x1 4 Pow Add 1 Mul -1 Mul Add Add x7 Add x0 Mul Mul x0 4 x1 sec Add -2.31243834127275 pi Add Add x7 Add x0 Mul Mul x0 4 x1 sec Add -2.31243834127275 pi -1 