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 r168165 = 1.0;
        double r168166 = atan2(1.0, 0.0);
        double r168167 = sqrt(r168166);
        double r168168 = r168165 / r168167;
        double r168169 = x;
        double r168170 = fabs(r168169);
        double r168171 = r168170 * r168170;
        double r168172 = exp(r168171);
        double r168173 = r168168 * r168172;
        double r168174 = r168165 / r168170;
        double r168175 = 2.0;
        double r168176 = r168165 / r168175;
        double r168177 = r168174 * r168174;
        double r168178 = r168177 * r168174;
        double r168179 = r168176 * r168178;
        double r168180 = r168174 + r168179;
        double r168181 = 3.0;
        double r168182 = 4.0;
        double r168183 = r168181 / r168182;
        double r168184 = r168178 * r168174;
        double r168185 = r168184 * r168174;
        double r168186 = r168183 * r168185;
        double r168187 = r168180 + r168186;
        double r168188 = 15.0;
        double r168189 = 8.0;
        double r168190 = r168188 / r168189;
        double r168191 = r168185 * r168174;
        double r168192 = r168191 * r168174;
        double r168193 = r168190 * r168192;
        double r168194 = r168187 + r168193;
        double r168195 = r168173 * r168194;
        return r168195;
}