R/utils_cran.R

In nflverse/nflreadr: Download 'nflverse' Data

#' CRAN setup code
#'
#' Some code to comply with CRAN policies, e.g.
#' limiting data.table CPU cores for examples/tests
#'
#' @export
#' @keywords internal
.for_cran <- function(){

  cores <- min(
    getOption("Ncpus", default = 2L),
    as.integer(Sys.getenv("OMP_THREAD_LIMIT",unset = "2")),
    floor(as.integer(Sys.getenv("_R_CHECK_EXAMPLE_TIMING_CPU_TO_ELAPSED_THRESHOLD_", unset = 2))),
    2L,
    na.rm = TRUE
  )

  data.table::setDTthreads(cores)
}