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 r34037856 = x;
        double r34037857 = y;
        double r34037858 = r34037857 * r34037857;
        double r34037859 = z;
        double r34037860 = r34037859 * r34037859;
        double r34037861 = r34037858 - r34037860;
        double r34037862 = sqrt(r34037861);
        double r34037863 = r34037856 * r34037862;
        return r34037863;
}