f68e255933
(mostly UB/LB related and doing questionable things). Otherwise a lot of changes: - cleaner code + more comments - stronger bound checker (DDT error messages if we exceed the buffer capacity) - differentiate the 3 internal types: loop, basic element and end_loop (using union) - more MACROS to solve the repetitive problems - more output in debug mode (and if requested by the user). - correct some mismaching between usage of true_extent and extent - improve the special cases (contiguous data, contiguous with gaps, no conversion ...) - in order to allow gdb to break in the pack/unpack function they became real function (defined in dt_pack.c and dt_unpack.c) if OMPI_ENABLE_DEBUG is defined. Otherwise they are just macros. - a new approach for the computation of the lower bound and upper bound. In same time the true_lb and true_ub has been modified to match the new algorithm. - handle specific cases in the datatype optimization. In some cases the datatype definition increase, but the complexity decrease. This commit was SVN r5729.
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...more to write here
should be a short file, referring to the real docs.