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 r231390 = 1.0;
        double r231391 = atan2(1.0, 0.0);
        double r231392 = sqrt(r231391);
        double r231393 = r231390 / r231392;
        double r231394 = x;
        double r231395 = fabs(r231394);
        double r231396 = r231395 * r231395;
        double r231397 = exp(r231396);
        double r231398 = r231393 * r231397;
        double r231399 = r231390 / r231395;
        double r231400 = 2.0;
        double r231401 = r231390 / r231400;
        double r231402 = r231399 * r231399;
        double r231403 = r231402 * r231399;
        double r231404 = r231401 * r231403;
        double r231405 = r231399 + r231404;
        double r231406 = 3.0;
        double r231407 = 4.0;
        double r231408 = r231406 / r231407;
        double r231409 = r231403 * r231399;
        double r231410 = r231409 * r231399;
        double r231411 = r231408 * r231410;
        double r231412 = r231405 + r231411;
        double r231413 = 15.0;
        double r231414 = 8.0;
        double r231415 = r231413 / r231414;
        double r231416 = r231410 * r231399;
        double r231417 = r231416 * r231399;
        double r231418 = r231415 * r231417;
        double r231419 = r231412 + r231418;
        double r231420 = r231398 * r231419;
        return r231420;
}