The virtual value of MPI_BOTTOM is used for MPI_ADDRESS.
This virtual value is the same for Fortran and C.
Therefore the results of MPI_ADDRESS are identical
in Fortran and C.
The real value of MPI_BOTTOM can by different in FORTRAN and C
and can be different to that virtual value.
This proposal can be implemented in the way of proposal one
(page 9 lines 28-38) or in the way of proposal two
(page 9 lines 39-43) and therefore the implementation
can choose between more programming effort in the
impelemtation (proposal one) or less efficiency (proposal two).
Therefore this is a proposal, that allows different values
but that can also avoid the additional test&branch.
The implementator can choose.
Please add this into the discussion list of Chap. 9.4.6.
Rolf Rabenseifner (Computer Center )
Rechenzentrum Universitaet Stuttgart (University of Stuttgart)
Allmandring 30 Phone: ++49 711 6855530
D-70550 Stuttgart 80 FAX: ++49 711 6787626