Cannot sample enough valid points. (more)

\[\tan^{-1}_* \frac{im}{re}\]
\tan^{-1}_* \frac{im}{re}
double f(double re, double im) {
        double r778316 = im;
        double r778317 = re;
        double r778318 = atan2(r778316, r778317);
        return r778318;
}