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 r23154316 = x;
        double r23154317 = y;
        double r23154318 = r23154317 * r23154317;
        double r23154319 = z;
        double r23154320 = r23154319 * r23154319;
        double r23154321 = r23154318 - r23154320;
        double r23154322 = sqrt(r23154321);
        double r23154323 = r23154316 * r23154322;
        return r23154323;
}