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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)



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(3)



                                   2/22/2022                  MPI_Aint_diff(3)

mpi 4.0.1 - Generated Sun Mar 27 18:41:15 CDT 2022
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