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 r917483 = x;
        double r917484 = y;
        double r917485 = r917484 * r917484;
        double r917486 = z;
        double r917487 = r917486 * r917486;
        double r917488 = r917485 - r917487;
        double r917489 = sqrt(r917488);
        double r917490 = r917483 * r917489;
        return r917490;
}