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 r16827 = x;
        double r16828 = cosh(r16827);
        double r16829 = asin(r16828);
        double r16830 = r16827 + r16829;
        return r16830;
}