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 r9645 = x;
        double r9646 = cosh(r9645);
        double r9647 = asin(r9646);
        double r9648 = r9645 + r9647;
        return r9648;
}