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 r12327 = x;
        double r12328 = cosh(r12327);
        double r12329 = asin(r12328);
        double r12330 = r12327 + r12329;
        return r12330;
}