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 r1664370 = x;
        double r1664371 = cosh(r1664370);
        double r1664372 = asin(r1664371);
        double r1664373 = r1664370 + r1664372;
        return r1664373;
}