\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r260359 = im;
double r260360 = re;
double r260361 = atan2(r260359, r260360);
double r260362 = 10.0;
double r260363 = log(r260362);
double r260364 = r260361 / r260363;
return r260364;
}