\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r293857 = im;
double r293858 = re;
double r293859 = atan2(r293857, r293858);
double r293860 = 10.0;
double r293861 = log(r293860);
double r293862 = r293859 / r293861;
return r293862;
}