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 r627010 = x;
        double r627011 = y;
        double r627012 = r627011 * r627011;
        double r627013 = z;
        double r627014 = r627013 * r627013;
        double r627015 = r627012 - r627014;
        double r627016 = sqrt(r627015);
        double r627017 = r627010 * r627016;
        return r627017;
}