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 r394944 = x;
        double r394945 = y;
        double r394946 = r394945 * r394945;
        double r394947 = z;
        double r394948 = r394947 * r394947;
        double r394949 = r394946 - r394948;
        double r394950 = sqrt(r394949);
        double r394951 = r394944 * r394950;
        return r394951;
}