Excellent catch -- thanks for letting us know.  I've committed the fix and 
slated it over to the v1.8 branch for inclusion in 1.8.1.


On Apr 16, 2014, at 7:55 AM, Bastian Beischer <bastian.beisc...@rwth-aachen.de> 
wrote:

> Dear all,
> 
> In open-mpi version 1.8 the man page of MPI_Type_create_hindexed gives this 
> declaration of the function:
> 
> int MPI_Type_create_hindexed(int count, const int array_of_blocklengths[],
>     const int array_of_displacements[], MPI_Datatype oldtype,
>     MPI_Datatype *newtype)
> 
> However I think the array_of_displacements should be of type MPI_Aint?
> 
> This was relevant to me because I wanted to create a datatype with large 
> offsets > INT_MAX and I didn't know I could use MPI_Type_create_hindexed 
> until a colleague pointed me to the MPI standard which says that the 
> displacements are of type MPI_Aint.
> 
> Cheers
> Bastian
> 
> -- 
> Bastian Beischer
> RWTH Aachen University of Technology
> 
> @RWTH Aachen
> Office: 28 C 203
> Phone: +49-241-80-27205
> E-mail: beisc...@physik.rwth-aachen.de
> Address: I. Physikalisches Institut B, Sommerfeldstr. 14, D-52074 Aachen
> 
> @CERN
> Office: Bdg 32-4-B12
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> E-mail: bastian.beisc...@cern.ch
> Address: CERN, CH-1211 Geneve 23
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-- 
Jeff Squyres
jsquy...@cisco.com
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