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 r649545 = x;
        double r649546 = cosh(r649545);
        double r649547 = asin(r649546);
        double r649548 = r649545 + r649547;
        return r649548;
}