[Octave-bug-tracker] [bug #52437] Second output of ismember is wrong for complex input

[Luis Mendo]

Follow-up Comment #3, bug #52437 (project octave):

Thanks.

Note that the linked version before the reimplementation gives an error on
logical inputs. Matlab and Octave's reimplemented version work with logical
inputs.

So in addition to regression, something like this could be added at the
beginning of ismember:


if islogical(a), a = uint8(a); end
if islogical(s), s = uint8(s); end


Also, Matlab's and Octave's reimplemented ismember are happy to compare inputs
of different numeric type, as long as one of them is double in Matlab, or in
any case in Octave. Replacing the following line in ismember (version before
the reimplementation)


if (! isa (a, class (s)))


by 


if (! isa (a, class (s))) && ...
  ! (isa (a, 'double') || isa (s, 'double'))


seems enough.

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