R/log_3.R

In Hung-Ching-Chang/biost2094_hw2: sort and log function for BIOST2094 HW2

#' Title
#'
#' @param x numeric number
#'
#' @return the log transformation of x
#' @export
#'
#' @examples
#' set.seed(2)
#' (y = lapply(runif(2,-10,10), log_3))
#' y[[1]]$invalid_input
log_3 = function(x){
  if(x > 0){
    log(x)
  }else{
    rlang::catch_cnd(rlang::abort(message = "negative input and NA introduced!",
                                  .subclass ="invalid_input",
                                  invalid_input = x))
  }
}