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 r924933 = x;
        double r924934 = y;
        double r924935 = r924934 * r924934;
        double r924936 = z;
        double r924937 = r924936 * r924936;
        double r924938 = r924935 - r924937;
        double r924939 = sqrt(r924938);
        double r924940 = r924933 * r924939;
        return r924940;
}