Let \( f:(-2,2)\rightarrow \mathbb{R} \) be defined by
where \([x]\) denotes the greatest integer function. If \(m\) and \(n\) respectively are the number of points in \((-2,2)\) at which \(y=| f(x)|\) is not continuous and not differentiable then \(m+n\) is equal to ____.
