Nothing
# #' flipud and fliplr
# #' @export
# flipud <- function(x, ...) UseMethod("flipud", x)
#' flipud and fliplr
#' @param x matrix or array
#'
#' @export
flipud <- function(x) {
I = ncol(x):1
ndim <- length(dim(x))
if (ndim == 2) {
x[, I]
} else if (ndim == 3) {
x[,I,drop = FALSE]
}
}
#' @export
#' @rdname flipud
fliplr <- function(x) {
I = nrow(x):1
ndim <- length(dim(x))
if (ndim == 2) {
x[I, ]
} else if (ndim == 3) {
x[I,,drop = FALSE]
}
# x
}
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