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 r834331 = x;
        double r834332 = y;
        double r834333 = r834332 * r834332;
        double r834334 = z;
        double r834335 = r834334 * r834334;
        double r834336 = r834333 - r834335;
        double r834337 = sqrt(r834336);
        double r834338 = r834331 * r834337;
        return r834338;
}