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 r695830 = x;
        double r695831 = y;
        double r695832 = r695831 * r695831;
        double r695833 = z;
        double r695834 = r695833 * r695833;
        double r695835 = r695832 - r695834;
        double r695836 = sqrt(r695835);
        double r695837 = r695830 * r695836;
        return r695837;
}