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 r16670 = x;
        double r16671 = cosh(r16670);
        double r16672 = asin(r16671);
        double r16673 = r16670 + r16672;
        return r16673;
}