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 r1438 = x;
        double r1439 = cosh(r1438);
        double r1440 = asin(r1439);
        double r1441 = r1438 + r1440;
        return r1441;
}