Malcolm Ryan wrote:
> What is the procedure for creating a custom BranchingDesc? There don't
> appear to be any examples which do this.
The only requirement is to inherit from BranchingDesc. Then you put
everything in the object that you need for the commit operation.
> What is the role of the
> size() method?
It's used for keeping track of the overall allocated memory (in engine-
ctrl.hpp:70). As BranchingDescs are allocated on the heap (in
contrast to the space), their memory has to be counted extra.
> If my Branching::description() allocates a new
> BranchingDesc, when/where should it be deleted?
It's owned by whoever requests the description. Usually,
description() is called by a search engine, so the search engines own
and delete the BranchingDescs (e.g. reco-stack.hpp:82).
Cheers,
Guido
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