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 r527841 = x;
        double r527842 = cosh(r527841);
        double r527843 = asin(r527842);
        double r527844 = r527841 + r527843;
        return r527844;
}