\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r571240 = im;
double r571241 = re;
double r571242 = atan2(r571240, r571241);
double r571243 = 10.0;
double r571244 = log(r571243);
double r571245 = r571242 / r571244;
return r571245;
}