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 r8857 = x;
        double r8858 = cosh(r8857);
        double r8859 = asin(r8858);
        double r8860 = r8857 + r8859;
        return r8860;
}