R/check.integer.R

In Fgmutils: Forest Growth Model Utilities

## Copyright (C) 2016  Clayton Vieira Fraga Filho
##
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 2
## of the License, or (at your option) any later version.
##  
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
## 
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

##' @title Ckeck Integer
##' @description checks if a variable is integer
##' @param x any variable
##' @return TRUE if "x" is integer, FALSE if "x" not is interger
##' @examples
##' x = 5
##' check.integer(x)
##' @export
check.integer <- function(x) {
  if (is.numeric(x)) {
    return(x == round(x))
  }
  return(FALSE)
}