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 r492926 = x;
        double r492927 = y;
        double r492928 = r492927 * r492927;
        double r492929 = z;
        double r492930 = r492929 * r492929;
        double r492931 = r492928 - r492930;
        double r492932 = sqrt(r492931);
        double r492933 = r492926 * r492932;
        return r492933;
}