\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r917681 = im;
double r917682 = re;
double r917683 = atan2(r917681, r917682);
double r917684 = 10.0;
double r917685 = log(r917684);
double r917686 = r917683 / r917685;
return r917686;
}