Cannot sample enough valid points. (more)

\[x \cdot \sqrt{y \cdot y - z \cdot z}\]
x \cdot \sqrt{y \cdot y - z \cdot z}
double f(double x, double y, double z) {
        double r636583 = x;
        double r636584 = y;
        double r636585 = r636584 * r636584;
        double r636586 = z;
        double r636587 = r636586 * r636586;
        double r636588 = r636585 - r636587;
        double r636589 = sqrt(r636588);
        double r636590 = r636583 * r636589;
        return r636590;
}