Cannot sample enough valid points. (more)

\[e^{\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.re - \tan^{-1}_* \frac{x.im}{x.re} \cdot y.im} \cdot \sin \left(\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.im + \tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right)\]
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 \sin \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 r554914 = x_re;
        double r554915 = r554914 * r554914;
        double r554916 = x_im;
        double r554917 = r554916 * r554916;
        double r554918 = r554915 + r554917;
        double r554919 = sqrt(r554918);
        double r554920 = log(r554919);
        double r554921 = y_re;
        double r554922 = r554920 * r554921;
        double r554923 = atan2(r554916, r554914);
        double r554924 = y_im;
        double r554925 = r554923 * r554924;
        double r554926 = r554922 - r554925;
        double r554927 = exp(r554926);
        double r554928 = r554920 * r554924;
        double r554929 = r554923 * r554921;
        double r554930 = r554928 + r554929;
        double r554931 = sin(r554930);
        double r554932 = r554927 * r554931;
        return r554932;
}