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 r767294 = x;
        double r767295 = y;
        double r767296 = r767295 * r767295;
        double r767297 = z;
        double r767298 = r767297 * r767297;
        double r767299 = r767296 - r767298;
        double r767300 = sqrt(r767299);
        double r767301 = r767294 * r767300;
        return r767301;
}