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 r12469 = x;
        double r12470 = cosh(r12469);
        double r12471 = asin(r12470);
        double r12472 = r12469 + r12471;
        return r12472;
}