R/conditionalCode.R

In GRANBase: Creating Continuously Integrated Package Repositories from Manifests

if (!require(parallel)) {
  mclapply2 <- function(X,
                       FUN,
                       ...,
                       mc.preschedule = TRUE,
                       mc.set.seed = TRUE,
                       mc.silent = FALSE,
                       mc.cores = getOption("mc.cores", 3L),
                       mc.cleanup = TRUE,
                       mc.allow.recursive = TRUE)
    lapply(X, FUN, ...)

  mcmapply2 <- function(FUN,
                       ...,
                       MoreArgs = NULL,
                       SIMPLIFY = TRUE,
                       USE.NAMES = TRUE,
                       mc.preschedule = TRUE,
                       mc.set.seed = TRUE,
                       mc.silent = FALSE,
                       mc.cores = getOption("mc.cores", 3L),
                       mc.cleanup = TRUE) {
    mapply(FUN, ..., MoreArgs = MoreArgs, SIMPLIFY = SIMPLIFY,
           USE.NAMES = USE.NAMES)
  }
} else {
  mclapply2 <- mclapply
  mcmapply2 <- mcmapply
}