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 r606302 = x;
        double r606303 = y;
        double r606304 = r606303 * r606303;
        double r606305 = z;
        double r606306 = r606305 * r606305;
        double r606307 = r606304 - r606306;
        double r606308 = sqrt(r606307);
        double r606309 = r606302 * r606308;
        return r606309;
}