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 r31573383 = x;
        double r31573384 = y;
        double r31573385 = r31573384 * r31573384;
        double r31573386 = z;
        double r31573387 = r31573386 * r31573386;
        double r31573388 = r31573385 - r31573387;
        double r31573389 = sqrt(r31573388);
        double r31573390 = r31573383 * r31573389;
        return r31573390;
}