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 r1166857 = x;
        double r1166858 = cosh(r1166857);
        double r1166859 = asin(r1166858);
        double r1166860 = r1166857 + r1166859;
        return r1166860;
}