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 r370909 = x;
        double r370910 = y;
        double r370911 = r370910 * r370910;
        double r370912 = z;
        double r370913 = r370912 * r370912;
        double r370914 = r370911 - r370913;
        double r370915 = sqrt(r370914);
        double r370916 = r370909 * r370915;
        return r370916;
}