Nothing
### Distributed quick sort.
### S3 functions.
comm.sort <- function(x, decreasing = FALSE, na.last = NA,
comm = .pbd_env$SPMD.CT$comm, status = .pbd_env$SPMD.CT$status){
if(is.null(x)){
x <- vector("integer", length = 0)
### If other processors are "double", then spmd.allcheck.type() below
### will convert this as "double".
}
comm <- as.integer(comm)
status <- as.integer(status)
all.vector <- spmd.allreduce.integer(
as.integer(is.vector(x)),
integer(1), op = "sum",
comm = comm) == spmd.comm.size(comm)
if(all.vector){
x <- spmd.allcheck.type(x, comm = comm)
}
UseMethod("comm.sort", x)
} # End of comm.sort().
### S3 Methods.
comm.sort.default <- function(x, decreasing = FALSE, na.last = NA,
comm = .pbd_env$SPMD.CT$comm, status = .pbd_env$SPMD.CT$status){
comm.stop("x should be all in vector.", comm = comm)
} # End of comm.sort.default().
comm.sort.integer <- function(x, decreasing = FALSE, na.last = NA,
comm = .pbd_env$SPMD.CT$comm, status = .pbd_env$SPMD.CT$status){
if(is.null(x)){
y <- vector("integer", length = 0)
} else{
y <- x
}
if(is.na(na.last)){
y <- y[!is.na(y)]
}
ret <- .Call("api_R_isort", y, comm, status, decreasing, na.last,
PACKAGE = 'pbdMPI')
if(is.null(x)){
ret <- NULL
}
ret
} # End of comm.sort.integer().
comm.sort.double <- function(x, decreasing = FALSE, na.last = NA,
comm = .pbd_env$SPMD.CT$comm, status = .pbd_env$SPMD.CT$status){
if(is.null(x)){
y <- vector("numeric", length = 0)
} else{
y <- x
}
if(is.na(na.last)){
y <- y[!is.na(y)]
}
ret <- .Call("api_R_rsort", y, comm, status, decreasing, na.last,
PACKAGE = 'pbdMPI')
if(is.null(x)){
ret <- NULL
}
ret
} # End of comm.sort.double().
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