MPI_Aint_diff man page on DragonFly

MPI_Aint_diff man page on DragonFly

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MPI_Aint_diff(3)		      MPI		      MPI_Aint_diff(3)

NAME
       MPI_Aint_diff -	Returns the difference between addr1 and addr2

SYNOPSIS
       MPI_Aint MPI_Aint_diff(MPI_Aint addr1, MPI_Aint addr2)

INPUT PARAMETERS
       addr1  - minuend address (integer)
       addr2  - subtrahend address (integer)

RETURN VALUE
       Difference between addr1 and addr2

NOTES
       MPI_Aint_diff  produces	a new MPI_Aint value that is equivalent to the
       difference between addr1 and addr2 arguments,  where  addr1  and	 addr2
       represent addresses returned by calls to MPI_GET_ADDRESS. The resulting
       address is valid only at the process that generated  addr1  and	addr2,
       and  addr1 and addr2 must correspond to locations in the same object in
       the same process. The difference is calculated in a manner that results
       the signed difference from addr1 to addr2, as if the process that orig‐
       inally produced the addresses had called (char  *)  addr1  -  (char  *)
       addr2 on the addresses initially passed to MPI_GET_ADDRESS.

SEE ALSO
       MPI_Aint_add

				   11/9/2015		      MPI_Aint_diff(3)

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