Cannot sample enough valid points. (more)

\[\tan^{-1}_* \frac{im}{re}\]
\tan^{-1}_* \frac{im}{re}
double f(double re, double im) {
        double r558892 = im;
        double r558893 = re;
        double r558894 = atan2(r558892, r558893);
        return r558894;
}