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 r2959 = x;
        double r2960 = cosh(r2959);
        double r2961 = asin(r2960);
        double r2962 = r2959 + r2961;
        return r2962;
}