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 r2865 = x;
        double r2866 = cosh(r2865);
        double r2867 = asin(r2866);
        double r2868 = r2865 + r2867;
        return r2868;
}