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 r12486 = x;
        double r12487 = cosh(r12486);
        double r12488 = asin(r12487);
        double r12489 = r12486 + r12488;
        return r12489;
}