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 dif- ference 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 ad- dresses had called (char *) addr1 - (char *) addr2 on the addresses initially passed to MPI_GET_ADDRESS. SEE ALSO MPI_Aint_add 4/10/2026 MPI_Aint_diff(3)
NAME | SYNOPSIS | INPUT PARAMETERS | NOTES | SEE ALSO
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