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 r23672 = x;
        double r23673 = cosh(r23672);
        double r23674 = asin(r23673);
        double r23675 = r23672 + r23674;
        return r23675;
}