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 r424168 = x;
        double r424169 = y;
        double r424170 = r424169 * r424169;
        double r424171 = z;
        double r424172 = r424171 * r424171;
        double r424173 = r424170 - r424172;
        double r424174 = sqrt(r424173);
        double r424175 = r424168 * r424174;
        return r424175;
}