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 r26914446 = x;
        double r26914447 = y;
        double r26914448 = r26914447 * r26914447;
        double r26914449 = z;
        double r26914450 = r26914449 * r26914449;
        double r26914451 = r26914448 - r26914450;
        double r26914452 = sqrt(r26914451);
        double r26914453 = r26914446 * r26914452;
        return r26914453;
}