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 r29872326 = x;
        double r29872327 = y;
        double r29872328 = r29872327 * r29872327;
        double r29872329 = z;
        double r29872330 = r29872329 * r29872329;
        double r29872331 = r29872328 - r29872330;
        double r29872332 = sqrt(r29872331);
        double r29872333 = r29872326 * r29872332;
        return r29872333;
}