Cannot sample enough valid points. (more)

\[\tan^{-1}_* \frac{im}{re}\]
\tan^{-1}_* \frac{im}{re}
double f(double re, double im) {
        double r820947 = im;
        double r820948 = re;
        double r820949 = atan2(r820947, r820948);
        return r820949;
}