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 r21929 = x;
        double r21930 = cosh(r21929);
        double r21931 = asin(r21930);
        double r21932 = r21929 + r21931;
        return r21932;
}