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 r21052 = x;
        double r21053 = cosh(r21052);
        double r21054 = asin(r21053);
        double r21055 = r21052 + r21054;
        return r21055;
}