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 r9890 = x;
        double r9891 = cosh(r9890);
        double r9892 = asin(r9891);
        double r9893 = r9890 + r9892;
        return r9893;
}