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 r2645 = x;
        double r2646 = cosh(r2645);
        double r2647 = asin(r2646);
        double r2648 = r2645 + r2647;
        return r2648;
}