\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r918398 = im;
double r918399 = re;
double r918400 = atan2(r918398, r918399);
double r918401 = 10.0;
double r918402 = log(r918401);
double r918403 = r918400 / r918402;
return r918403;
}