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 r627179 = x;
        double r627180 = y;
        double r627181 = r627180 * r627180;
        double r627182 = z;
        double r627183 = r627182 * r627182;
        double r627184 = r627181 - r627183;
        double r627185 = sqrt(r627184);
        double r627186 = r627179 * r627185;
        return r627186;
}