\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r563583 = im;
double r563584 = re;
double r563585 = atan2(r563583, r563584);
double r563586 = 10.0;
double r563587 = log(r563586);
double r563588 = r563585 / r563587;
return r563588;
}