## helper.R
##
## Copyright (C)  2021  Alexander Eckert
##
## This file is part of parallelDist.
##
## parallelDist 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.
##
## parallelDist 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 parallelDist. If not, see <http://www.gnu.org/licenses/>.

isCran <- function() {
  !identical(Sys.getenv("NOT_CRAN"), "true")
}

suppressNaNWarnings <- function(expr) {
  tryCatch(
    expr = expr,
    # suppress NA errors
    warning = function(w){
      if (w$message != "NaNs produced") {
        warning(w)
      }
  })
}