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 r1577105 = x;
        double r1577106 = cosh(r1577105);
        double r1577107 = asin(r1577106);
        double r1577108 = r1577105 + r1577107;
        return r1577108;
}