Cannot sample enough valid points. (more)

\[x + \sin^{-1} \left(\cosh x\right)\]
x + \sin^{-1} \left(\cosh x\right)
double f(double x) {
        double r20228 = x;
        double r20229 = cosh(r20228);
        double r20230 = asin(r20229);
        double r20231 = r20228 + r20230;
        return r20231;
}