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From: Max Weinberg (maximilian.weinberg_at_[hidden])
Date: 2007-07-18 07:40:34

There are some missing features with gvov. When I last looked at it, which is
already quite a while ago: There was no push_back, which would enable fast
sequential construction of sparse matrices. If the outer vector was sparse, it
was ignored, so the outer dimension is handled like a full vector (a similar
bug is present for the other sparse matrix types). Transpose did not work for
I apologize if any of that is not true anymore. In general, gvov can easily be
the fastest of the sparse matrix types, if access is done primarily along one