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 r783233 = x;
        double r783234 = y;
        double r783235 = r783234 * r783234;
        double r783236 = z;
        double r783237 = r783236 * r783236;
        double r783238 = r783235 - r783237;
        double r783239 = sqrt(r783238);
        double r783240 = r783233 * r783239;
        return r783240;
}