Cannot sample enough valid points. (more)

\[\tan^{-1}_* \frac{im}{re}\]
\tan^{-1}_* \frac{im}{re}
double f(double re, double im) {
        double r875070 = im;
        double r875071 = re;
        double r875072 = atan2(r875070, r875071);
        return r875072;
}