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 r20937 = x;
        double r20938 = cosh(r20937);
        double r20939 = asin(r20938);
        double r20940 = r20937 + r20939;
        return r20940;
}