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 r786266 = x;
        double r786267 = cosh(r786266);
        double r786268 = asin(r786267);
        double r786269 = r786266 + r786268;
        return r786269;
}