Add Add sqrt x0 Mul x0 x0 Pow atan Mul 0.693147180559945 x3 x0 
Add Add Pow Mul 2 sqrt x0 -1 Add x0 x0 Mul Pow atan Mul 0.693147180559945 x3 Add x0 -1 Mul atan Mul 0.693147180559945 x3 log atan Mul 0.693147180559945 x3 