Re: Class related regressions in GNU Octave 4.0

[Julien Bect]

Le 12/04/2015 15:31, Oliver Heimlich a écrit :
> What is the desired behaviour?
> 1) A user-defined class must override all methods together to get a 
> consistent behaviour: size, isvector, isscalar, and isequal. Any 
> builtin functions will assume that the object's size is always [1 1].
> 2) A user-defined class must override size only. The builtin functions 
> will respect the overriden size method and produce a consistent 
> behaviour for the user (like they did in version 3.8.2).

I expect that, if I define size(x) for my objects, then isvector and 
isscalar should behave properly.

This is what Matlab does for isscalar, as reported in bug report #43925 
(I haven't checked isvector, but I would bet that it behaves similarly).