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MPI_Aint_diff(3) MPI MPI_Aint_diff(3)

MPI_Aint_diff - Returns the difference between addr1 and addr2

MPI_Aint MPI_Aint_diff(MPI_Aint addr1, MPI_Aint addr2)

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

Difference between addr1 and addr2

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 originally produced the addresses had called
(char *) addr1 - (char *) addr2
on the addresses initially passed to MPI_GET_ADDRESS.

MPI_Aint_add
 
11/10/2017

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