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 r459332 = x;
        double r459333 = y;
        double r459334 = r459333 * r459333;
        double r459335 = z;
        double r459336 = r459335 * r459335;
        double r459337 = r459334 - r459336;
        double r459338 = sqrt(r459337);
        double r459339 = r459332 * r459338;
        return r459339;
}