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 r730222 = x;
        double r730223 = y;
        double r730224 = r730223 * r730223;
        double r730225 = z;
        double r730226 = r730225 * r730225;
        double r730227 = r730224 - r730226;
        double r730228 = sqrt(r730227);
        double r730229 = r730222 * r730228;
        return r730229;
}