\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r1697854 = im;
double r1697855 = re;
double r1697856 = atan2(r1697854, r1697855);
double r1697857 = 10.0;
double r1697858 = log(r1697857);
double r1697859 = r1697856 / r1697858;
return r1697859;
}