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 r743021 = x;
        double r743022 = y;
        double r743023 = r743022 * r743022;
        double r743024 = z;
        double r743025 = r743024 * r743024;
        double r743026 = r743023 - r743025;
        double r743027 = sqrt(r743026);
        double r743028 = r743021 * r743027;
        return r743028;
}