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 r3680 = x;
        double r3681 = cosh(r3680);
        double r3682 = asin(r3681);
        double r3683 = r3680 + r3682;
        return r3683;
}