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 r557087 = x;
        double r557088 = y;
        double r557089 = r557088 * r557088;
        double r557090 = z;
        double r557091 = r557090 * r557090;
        double r557092 = r557089 - r557091;
        double r557093 = sqrt(r557092);
        double r557094 = r557087 * r557093;
        return r557094;
}