\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r648514 = im;
double r648515 = re;
double r648516 = atan2(r648514, r648515);
double r648517 = 10.0;
double r648518 = log(r648517);
double r648519 = r648516 / r648518;
return r648519;
}