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 r505306 = x;
        double r505307 = y;
        double r505308 = r505307 * r505307;
        double r505309 = z;
        double r505310 = r505309 * r505309;
        double r505311 = r505308 - r505310;
        double r505312 = sqrt(r505311);
        double r505313 = r505306 * r505312;
        return r505313;
}