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 r8098 = x;
        double r8099 = cosh(r8098);
        double r8100 = asin(r8099);
        double r8101 = r8098 + r8100;
        return r8101;
}