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 r29215633 = x;
        double r29215634 = y;
        double r29215635 = r29215634 * r29215634;
        double r29215636 = z;
        double r29215637 = r29215636 * r29215636;
        double r29215638 = r29215635 - r29215637;
        double r29215639 = sqrt(r29215638);
        double r29215640 = r29215633 * r29215639;
        return r29215640;
}