Cannot sample enough valid points. (more)

\[\left(\frac{1}{\sqrt{\pi}} \cdot e^{\left|x\right| \cdot \left|x\right|}\right) \cdot \left(\left(\left(\frac{1}{\left|x\right|} + \frac{1}{2} \cdot \left(\left(\frac{1}{\left|x\right|} \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right)\right) + \frac{3}{4} \cdot \left(\left(\left(\left(\frac{1}{\left|x\right|} \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right)\right) + \frac{15}{8} \cdot \left(\left(\left(\left(\left(\left(\frac{1}{\left|x\right|} \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right)\right)\]
\left(\frac{1}{\sqrt{\pi}} \cdot e^{\left|x\right| \cdot \left|x\right|}\right) \cdot \left(\left(\left(\frac{1}{\left|x\right|} + \frac{1}{2} \cdot \left(\left(\frac{1}{\left|x\right|} \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right)\right) + \frac{3}{4} \cdot \left(\left(\left(\left(\frac{1}{\left|x\right|} \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right)\right) + \frac{15}{8} \cdot \left(\left(\left(\left(\left(\left(\frac{1}{\left|x\right|} \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right) \cdot \frac{1}{\left|x\right|}\right)\right)
double f(double x) {
        double r612 = 1.0;
        double r613 = atan2(1.0, 0.0);
        double r614 = sqrt(r613);
        double r615 = r612 / r614;
        double r616 = x;
        double r617 = fabs(r616);
        double r618 = r617 * r617;
        double r619 = exp(r618);
        double r620 = r615 * r619;
        double r621 = r612 / r617;
        double r622 = 2.0;
        double r623 = r612 / r622;
        double r624 = r621 * r621;
        double r625 = r624 * r621;
        double r626 = r623 * r625;
        double r627 = r621 + r626;
        double r628 = 3.0;
        double r629 = 4.0;
        double r630 = r628 / r629;
        double r631 = r625 * r621;
        double r632 = r631 * r621;
        double r633 = r630 * r632;
        double r634 = r627 + r633;
        double r635 = 15.0;
        double r636 = 8.0;
        double r637 = r635 / r636;
        double r638 = r632 * r621;
        double r639 = r638 * r621;
        double r640 = r637 * r639;
        double r641 = r634 + r640;
        double r642 = r620 * r641;
        return r642;
}