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 r41160050 = x;
        double r41160051 = y;
        double r41160052 = r41160051 * r41160051;
        double r41160053 = z;
        double r41160054 = r41160053 * r41160053;
        double r41160055 = r41160052 - r41160054;
        double r41160056 = sqrt(r41160055);
        double r41160057 = r41160050 * r41160056;
        return r41160057;
}