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 r607237 = x;
        double r607238 = y;
        double r607239 = r607238 * r607238;
        double r607240 = z;
        double r607241 = r607240 * r607240;
        double r607242 = r607239 - r607241;
        double r607243 = sqrt(r607242);
        double r607244 = r607237 * r607243;
        return r607244;
}