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 r6573 = x;
        double r6574 = cosh(r6573);
        double r6575 = asin(r6574);
        double r6576 = r6573 + r6575;
        return r6576;
}