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 r1019816 = x;
        double r1019817 = cosh(r1019816);
        double r1019818 = asin(r1019817);
        double r1019819 = r1019816 + r1019818;
        return r1019819;
}