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 r213892 = 1.0;
        double r213893 = atan2(1.0, 0.0);
        double r213894 = sqrt(r213893);
        double r213895 = r213892 / r213894;
        double r213896 = x;
        double r213897 = fabs(r213896);
        double r213898 = r213897 * r213897;
        double r213899 = exp(r213898);
        double r213900 = r213895 * r213899;
        double r213901 = r213892 / r213897;
        double r213902 = 2.0;
        double r213903 = r213892 / r213902;
        double r213904 = r213901 * r213901;
        double r213905 = r213904 * r213901;
        double r213906 = r213903 * r213905;
        double r213907 = r213901 + r213906;
        double r213908 = 3.0;
        double r213909 = 4.0;
        double r213910 = r213908 / r213909;
        double r213911 = r213905 * r213901;
        double r213912 = r213911 * r213901;
        double r213913 = r213910 * r213912;
        double r213914 = r213907 + r213913;
        double r213915 = 15.0;
        double r213916 = 8.0;
        double r213917 = r213915 / r213916;
        double r213918 = r213912 * r213901;
        double r213919 = r213918 * r213901;
        double r213920 = r213917 * r213919;
        double r213921 = r213914 + r213920;
        double r213922 = r213900 * r213921;
        return r213922;
}