\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}double f(double re, double im) {
double r864966 = im;
double r864967 = re;
double r864968 = atan2(r864966, r864967);
double r864969 = 10.0;
double r864970 = log(r864969);
double r864971 = r864968 / r864970;
return r864971;
}