[Bioperl-l] Bio::Species, Bio::Taxonomy::Node overhaul

Hilmar Lapp hlapp at gmx.net
Mon Aug 7 08:52:38 EDT 2006


On Aug 7, 2006, at 4:38 AM, Sendu Bala wrote:

> So there will be a behaviour change - now get_lca really does only get
> the lowest common ancestor of input nodes, which necessarily can't be
> any of the input nodes themselves.
>
> I'd call the old behaviour a bug that has now been fixed. (Though the
> code had a comment to the effect that it was a quite deliberate choice
> on the part of the author.)

I inclined to call the new behavior a bug. Why would the lca between  
node A and node B not be defined, or be an ancestor node of A instead  
of A itself? Likewise, why would the lca between a node A and its  
child node B not be A but instead an ancestor node of A?

Or am I missing something?

	-hilmar
-- 
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: Hilmar Lapp  -:-  Durham, NC  -:-  hlapp at gmx dot net :
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