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 r691458 = x;
        double r691459 = y;
        double r691460 = r691459 * r691459;
        double r691461 = z;
        double r691462 = r691461 * r691461;
        double r691463 = r691460 - r691462;
        double r691464 = sqrt(r691463);
        double r691465 = r691458 * r691464;
        return r691465;
}