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 r16578 = x;
        double r16579 = cosh(r16578);
        double r16580 = asin(r16579);
        double r16581 = r16578 + r16580;
        return r16581;
}