R/cell.R

In matlab: 'MATLAB' Emulation Package

###
### $Id: cell.R 29 2022-05-30 23:02:22Z proebuck $
###
### Create cell array.
###


##-----------------------------------------------------------------------------
cell <- function(...) {
    nargs <- length(dots <- list(...))
    dims <- as.integer(if (nargs == 1 && is.size_t(dots[[1]])) {
                           dots[[1]]
                       } else {
                           unlist(dots)
                       })

    if (length(dims) == 1) {
        dims[2] <- dims[1]
    }

    if (!(length(dims) > 1)) {
        stop("dimensions must be of length greater than 1")
    } else if (!(all(dims > 0))) {
        stop("dimensions must be a positive quantity")
    }

    createCellArray <- function(dims) {
        L <- vector("list", prod(dims))
        dim(L) <- dims

        for (i in seq(along = L)) {
            L[[i]] <- numeric(0)
        }

        return(L)
    }

    createCellArray(dims)
}