In general, though, MPI says that they are different typed. You should use MPI integer in fortran, just to be more correct/safe. 

Sent from my phone. No type good. 

On Feb 21, 2013, at 10:56 AM, "Pradeep Jha" <> wrote:

2013/2/21 Gus Correa <>
two types are the same size,
but I wonder if somehow the two type names are interchangeable
in OpenMPI (I would guess they're not),
although declared


No, I didnt had to change that. They both work fine for me.

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