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 r20216 = x;
        double r20217 = cosh(r20216);
        double r20218 = asin(r20217);
        double r20219 = r20216 + r20218;
        return r20219;
}