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 r459392 = x;
        double r459393 = y;
        double r459394 = r459393 * r459393;
        double r459395 = z;
        double r459396 = r459395 * r459395;
        double r459397 = r459394 - r459396;
        double r459398 = sqrt(r459397);
        double r459399 = r459392 * r459398;
        return r459399;
}