Cannot sample enough valid points. (more)

\[\tan^{-1}_* \frac{im}{re}\]
\tan^{-1}_* \frac{im}{re}
double f(double re, double im) {
        double r490507 = im;
        double r490508 = re;
        double r490509 = atan2(r490507, r490508);
        return r490509;
}