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 r358018 = x;
        double r358019 = cosh(r358018);
        double r358020 = asin(r358019);
        double r358021 = r358018 + r358020;
        return r358021;
}