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 r626294 = x;
        double r626295 = y;
        double r626296 = r626295 * r626295;
        double r626297 = z;
        double r626298 = r626297 * r626297;
        double r626299 = r626296 - r626298;
        double r626300 = sqrt(r626299);
        double r626301 = r626294 * r626300;
        return r626301;
}