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 r719113 = x;
        double r719114 = y;
        double r719115 = r719114 * r719114;
        double r719116 = z;
        double r719117 = r719116 * r719116;
        double r719118 = r719115 - r719117;
        double r719119 = sqrt(r719118);
        double r719120 = r719113 * r719119;
        return r719120;
}