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 r5413 = x;
        double r5414 = cosh(r5413);
        double r5415 = asin(r5414);
        double r5416 = r5413 + r5415;
        return r5416;
}