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 r2961 = x;
        double r2962 = cosh(r2961);
        double r2963 = asin(r2962);
        double r2964 = r2961 + r2963;
        return r2964;
}