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 r29864548 = x;
        double r29864549 = y;
        double r29864550 = r29864549 * r29864549;
        double r29864551 = z;
        double r29864552 = r29864551 * r29864551;
        double r29864553 = r29864550 - r29864552;
        double r29864554 = sqrt(r29864553);
        double r29864555 = r29864548 * r29864554;
        return r29864555;
}