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From: Grégoire Dooms (dooms_at_[hidden])
Date: 2006-04-25 10:09:12


boost-users-request_at_[hidden] wrote:
> Date: Tue, 25 Apr 2006 08:54:12 +0200
> From: Sebastian Weber <sebastian.weber_at_[hidden]>
> Subject: [Boost-users] BGL: filtered graph question
>
> Hello everybody!
>
> I use the filtered_graph framework to restrict a BFS visit to a small
> region on my graph. BUT, I provide the starting vertex to the BFS
> routine by a vertice_descriptor of the underlying/unfiltered graph. Of
> course, this vertice descriptor matches the predicate. My code compiles
> fine, but I started to ask myself if this actually behaves correct?
>
> As I could not find a hint within the docs, does someone know?
>
>
A quick look at the code tells that it is perfectly fine.
The type of vertex_descriptor is the same as for the underlying graph
and the vertex iterator is simply a filter_iterator using the provided
predicate.

Best,

--
Grégoire Dooms

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