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 r35072149 = x;
        double r35072150 = y;
        double r35072151 = r35072150 * r35072150;
        double r35072152 = z;
        double r35072153 = r35072152 * r35072152;
        double r35072154 = r35072151 - r35072153;
        double r35072155 = sqrt(r35072154);
        double r35072156 = r35072149 * r35072155;
        return r35072156;
}