//Comm_rank
//Determines the rank of the calling process in the communicator.
func Comm_rank(comm Comm) (int, int) {
var rank C.int
err := C.MPI_Comm_rank(C.MPI_Comm(comm), &rank)
return int(rank), int(err)
}
// Rank returns the MPI_Rank
func Rank(comm Comm) (int, error) {
var r C.int
perr := C.MPI_Comm_rank(comm, &r)
if perr != 0 {
return -1, errors.New("Error calling MPI_Comm_rank")
}
return int(r), nil
}
func Comm_rank(comm MPI_Comm) int {
var rank int
C.MPI_Comm_rank(comm, (*C.int)(unsafe.Pointer(&rank)))
return rank
}
func Comm_rank(comm C.MPI_Comm) int {
n := C.int(-1)
C.MPI_Comm_rank(comm, &n)
return int(n)
}
func Rank() int {
var rank C.int
C.MPI_Comm_rank(COMM_WORLD, &rank)
return int(rank)
}