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 r518397 = x;
        double r518398 = y;
        double r518399 = r518398 * r518398;
        double r518400 = z;
        double r518401 = r518400 * r518400;
        double r518402 = r518399 - r518401;
        double r518403 = sqrt(r518402);
        double r518404 = r518397 * r518403;
        return r518404;
}