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 r1270786 = x;
        double r1270787 = cosh(r1270786);
        double r1270788 = asin(r1270787);
        double r1270789 = r1270786 + r1270788;
        return r1270789;
}