Cannot sample enough valid points. (more)

\[e^{\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.re - \tan^{-1}_* \frac{x.im}{x.re} \cdot y.im} \cdot \cos \left(\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.im + \tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right)\]
e^{\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.re - \tan^{-1}_* \frac{x.im}{x.re} \cdot y.im} \cdot \cos \left(\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.im + \tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right)
double f(double x_re, double x_im, double y_re, double y_im) {
        double r892211 = x_re;
        double r892212 = r892211 * r892211;
        double r892213 = x_im;
        double r892214 = r892213 * r892213;
        double r892215 = r892212 + r892214;
        double r892216 = sqrt(r892215);
        double r892217 = log(r892216);
        double r892218 = y_re;
        double r892219 = r892217 * r892218;
        double r892220 = atan2(r892213, r892211);
        double r892221 = y_im;
        double r892222 = r892220 * r892221;
        double r892223 = r892219 - r892222;
        double r892224 = exp(r892223);
        double r892225 = r892217 * r892221;
        double r892226 = r892220 * r892218;
        double r892227 = r892225 + r892226;
        double r892228 = cos(r892227);
        double r892229 = r892224 * r892228;
        return r892229;
}