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 r786749 = x;
        double r786750 = y;
        double r786751 = r786750 * r786750;
        double r786752 = z;
        double r786753 = r786752 * r786752;
        double r786754 = r786751 - r786753;
        double r786755 = sqrt(r786754);
        double r786756 = r786749 * r786755;
        return r786756;
}