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 r4918 = x;
        double r4919 = cosh(r4918);
        double r4920 = asin(r4919);
        double r4921 = r4918 + r4920;
        return r4921;
}