Cannot sample enough valid points. (more)

\[0 \lt c_p \land 0 \lt c_n\]
\[\frac{{\left(\frac{1}{1 + e^{-s}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-s}}\right)}^{c_n}}{{\left(\frac{1}{1 + e^{-t}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-t}}\right)}^{c_n}}\]
\frac{{\left(\frac{1}{1 + e^{-s}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-s}}\right)}^{c_n}}{{\left(\frac{1}{1 + e^{-t}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-t}}\right)}^{c_n}}
double f(double c_p, double c_n, double t, double s) {
        double r3576354 = 1.0;
        double r3576355 = s;
        double r3576356 = -r3576355;
        double r3576357 = exp(r3576356);
        double r3576358 = r3576354 + r3576357;
        double r3576359 = r3576354 / r3576358;
        double r3576360 = c_p;
        double r3576361 = pow(r3576359, r3576360);
        double r3576362 = r3576354 - r3576359;
        double r3576363 = c_n;
        double r3576364 = pow(r3576362, r3576363);
        double r3576365 = r3576361 * r3576364;
        double r3576366 = t;
        double r3576367 = -r3576366;
        double r3576368 = exp(r3576367);
        double r3576369 = r3576354 + r3576368;
        double r3576370 = r3576354 / r3576369;
        double r3576371 = pow(r3576370, r3576360);
        double r3576372 = r3576354 - r3576370;
        double r3576373 = pow(r3576372, r3576363);
        double r3576374 = r3576371 * r3576373;
        double r3576375 = r3576365 / r3576374;
        return r3576375;
}