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 r756660 = x;
        double r756661 = y;
        double r756662 = r756661 * r756661;
        double r756663 = z;
        double r756664 = r756663 * r756663;
        double r756665 = r756662 - r756664;
        double r756666 = sqrt(r756665);
        double r756667 = r756660 * r756666;
        return r756667;
}