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 r467370 = x;
        double r467371 = y;
        double r467372 = r467371 * r467371;
        double r467373 = z;
        double r467374 = r467373 * r467373;
        double r467375 = r467372 - r467374;
        double r467376 = sqrt(r467375);
        double r467377 = r467370 * r467376;
        return r467377;
}