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 r19481 = x;
        double r19482 = cosh(r19481);
        double r19483 = asin(r19482);
        double r19484 = r19481 + r19483;
        return r19484;
}