Cannot sample enough valid points. (more)

\[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)}\]
\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)}
double f(double g, double h, double a) {
        double r180685 = 1.0;
        double r180686 = 2.0;
        double r180687 = a;
        double r180688 = r180686 * r180687;
        double r180689 = r180685 / r180688;
        double r180690 = g;
        double r180691 = -r180690;
        double r180692 = r180690 * r180690;
        double r180693 = h;
        double r180694 = r180693 * r180693;
        double r180695 = r180692 - r180694;
        double r180696 = sqrt(r180695);
        double r180697 = r180691 + r180696;
        double r180698 = r180689 * r180697;
        double r180699 = cbrt(r180698);
        double r180700 = r180691 - r180696;
        double r180701 = r180689 * r180700;
        double r180702 = cbrt(r180701);
        double r180703 = r180699 + r180702;
        return r180703;
}