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 r710302 = x;
        double r710303 = y;
        double r710304 = r710303 * r710303;
        double r710305 = z;
        double r710306 = r710305 * r710305;
        double r710307 = r710304 - r710306;
        double r710308 = sqrt(r710307);
        double r710309 = r710302 * r710308;
        return r710309;
}