int main(int argc, char *argv[])
{
int errs = 0;
- int rank, size, source, dest;
+ int rank, size, dest;
MPI_Comm comm;
MPI_Status status;
MPI_Request req;
MPI_Comm_rank(comm, &rank);
MPI_Comm_size(comm, &size);
- source = 0;
dest = size - 1;
for (cs = 0; cs < 4; cs++) {