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 r7990 = x;
        double r7991 = cosh(r7990);
        double r7992 = asin(r7991);
        double r7993 = r7990 + r7992;
        return r7993;
}