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 r519626 = x;
        double r519627 = cosh(r519626);
        double r519628 = asin(r519627);
        double r519629 = r519626 + r519628;
        return r519629;
}