The current code in git hash eef7e55c "Cactus: use only group index based functions in Fortran wrappers" of cactus, while removing a potential race condition does not yet correctly set up cell centered arrays for Fortran since it makes all grid functions have shape cctk_lsh which is the shape of a vertex centered grid function (that is one element too large in each direction for a fully cell centered grid function). This should be corrected in a manner similar to the DECLARE_CCTK_ARGUMENTSX_FunctionName macros in C++.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2886/support-cell-centered-directions-when