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 r34620121 = x;
        double r34620122 = y;
        double r34620123 = r34620122 * r34620122;
        double r34620124 = z;
        double r34620125 = r34620124 * r34620124;
        double r34620126 = r34620123 - r34620125;
        double r34620127 = sqrt(r34620126);
        double r34620128 = r34620121 * r34620127;
        return r34620128;
}