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 r3026 = x;
        double r3027 = cosh(r3026);
        double r3028 = asin(r3027);
        double r3029 = r3026 + r3028;
        return r3029;
}