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 r6968 = x;
        double r6969 = cosh(r6968);
        double r6970 = asin(r6969);
        double r6971 = r6968 + r6970;
        return r6971;
}