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 r457579 = x;
        double r457580 = y;
        double r457581 = r457580 * r457580;
        double r457582 = z;
        double r457583 = r457582 * r457582;
        double r457584 = r457581 - r457583;
        double r457585 = sqrt(r457584);
        double r457586 = r457579 * r457585;
        return r457586;
}