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 r387494 = x;
        double r387495 = y;
        double r387496 = r387495 * r387495;
        double r387497 = z;
        double r387498 = r387497 * r387497;
        double r387499 = r387496 - r387498;
        double r387500 = sqrt(r387499);
        double r387501 = r387494 * r387500;
        return r387501;
}