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 r4978 = x;
        double r4979 = cosh(r4978);
        double r4980 = asin(r4979);
        double r4981 = r4978 + r4980;
        return r4981;
}