\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r248296 = im;
double r248297 = re;
double r248298 = atan2(r248296, r248297);
double r248299 = 10.0;
double r248300 = log(r248299);
double r248301 = r248298 / r248300;
return r248301;
}