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 r947952 = x;
        double r947953 = cosh(r947952);
        double r947954 = asin(r947953);
        double r947955 = r947952 + r947954;
        return r947955;
}