Cannot sample enough valid points. (more)

\[0.0 \lt c_p \land 0.0 \lt c_n\]
\[\frac{{\left(\frac{1}{1 + e^{-s}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-s}}\right)}^{c_n}}{{\left(\frac{1}{1 + e^{-t}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-t}}\right)}^{c_n}}\]
\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 r192092 = 1.0;
        double r192093 = s;
        double r192094 = -r192093;
        double r192095 = exp(r192094);
        double r192096 = r192092 + r192095;
        double r192097 = r192092 / r192096;
        double r192098 = c_p;
        double r192099 = pow(r192097, r192098);
        double r192100 = r192092 - r192097;
        double r192101 = c_n;
        double r192102 = pow(r192100, r192101);
        double r192103 = r192099 * r192102;
        double r192104 = t;
        double r192105 = -r192104;
        double r192106 = exp(r192105);
        double r192107 = r192092 + r192106;
        double r192108 = r192092 / r192107;
        double r192109 = pow(r192108, r192098);
        double r192110 = r192092 - r192108;
        double r192111 = pow(r192110, r192101);
        double r192112 = r192109 * r192111;
        double r192113 = r192103 / r192112;
        return r192113;
}