Re: lists and cell arrays ?

[David Bateman]

This is great news. As soon as the start coding it, tell me and I'll
test it for some user types...

Regards
David

According to John W. Eaton <address@hidden> (on 11/18/03):
> On 18-Nov-2003, David Bateman <address@hidden> wrote:
> 
> | > Soon (hopefully 2.1.52) you will also be able to write
> | > 
> | >   c = [c1, c2];
> | > 
> | > to concatentate two cell arrays.
> | 
> | This got my interest... Does this mean that concatenation will be made 
> | generic in 2.1.52, or only that cell arrays will be added to the existing
> | code?
> 
> The intent is to make concatenation using [] work for all types
> including user-defined types.
> 
> I plan to add horzcat- and vertcat-like routines to the octave_value
> classes but still use a more efficient approach for some subset of
> types to avoid unnecessary resizing when creating numeric matrices or
> perhaps cell and structure arrays as well.
> 
> Perhaps we can also do better for cases when all the objects in the
> concatentation list are the same type, but if not, you should still be
> able to get concatenation to work piecewise with horzcat and vertcat.
> 
> jwe

-- 
David Bateman                                address@hidden
Motorola CRM                                 +33 1 69 35 48 04 (Ph) 
Parc Les Algorithmes, Commune de St Aubin    +33 1 69 35 77 01 (Fax) 
91193 Gif-Sur-Yvette FRANCE

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