Cannot sample enough valid points. (more)

\[\tan^{-1}_* \frac{im}{re}\]
\tan^{-1}_* \frac{im}{re}
double f(double re, double im) {
        double r821566 = im;
        double r821567 = re;
        double r821568 = atan2(r821566, r821567);
        return r821568;
}