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 r464386 = x;
        double r464387 = y;
        double r464388 = r464387 * r464387;
        double r464389 = z;
        double r464390 = r464389 * r464389;
        double r464391 = r464388 - r464390;
        double r464392 = sqrt(r464391);
        double r464393 = r464386 * r464392;
        return r464393;
}