R/rightleftorder.R

In akonstor/mypackage:

#' rightleftorder
#' 
#' Reorder a vector \code{x}, starting at a given index \code{i} and proceeding
#' rightward then leftward.
#' 
#' @param x A vector
#' @param i An integer between 1 and \code{length(x)}.
#' @export
rightleftorder<-function(n,i){ c(i:n, (i-1:1))}