[MPICH] MPI-IO, vector dataype

[Rajeev Thakur]

> Given (just the relevant code snippets)
>     nprocs = 2, FILESIZE = 256,  INTS_PER_BLK = 4,
>     bufsize(FILESIZE/nprocs), nints(bufsize/sizeof(int)),
> 
>    filetype.Create_vector(nints/INTS_PER_BLK, INTS_PER_BLK,
>                           INTS_PER_BLK * nprocs);
> 
>    which works out to  Create_vector(4, 8, 16)  (intrinsic 
> type MPI_INT)

Should be (8, 4, 8)
 
>    f.Set_view(INTS_PER_BLK*sizeof(int)*myrank, MPI_INT,
>                     filetype, "native", MPI_INFO_NULL);
> 
>    which works out to Set_view(32 or 0 bytes, ...)

Should be (16 or 0 bytes, ...)

Rajeev