Cannot sample enough valid points. (more)

\[\tan^{-1}_* \frac{im}{re}\]
\tan^{-1}_* \frac{im}{re}
double f(double re, double im) {
        double r633121 = im;
        double r633122 = re;
        double r633123 = atan2(r633121, r633122);
        return r633123;
}