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 r30278618 = x;
        double r30278619 = y;
        double r30278620 = r30278619 * r30278619;
        double r30278621 = z;
        double r30278622 = r30278621 * r30278621;
        double r30278623 = r30278620 - r30278622;
        double r30278624 = sqrt(r30278623);
        double r30278625 = r30278618 * r30278624;
        return r30278625;
}