[bug #45088] [octave forge] (image) rangefilt requires domain and image to have equal number of dimensions

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Follow-up Comment #27, bug #45088 (group octave):

It looks to me that we need to make changes to both CC file and M file(s). 
With attached (file rangefilt_20260310.diff) the 

test from comment #9 seems to work for me:


octave:1> pkg load image
octave:2> R = [1:5] .* ones(5,1);
octave:3> G = R+1;
octave:4> B = R*2;
octave:5> I = cat(3, R, G, B);
octave:6> J = rangefilt(I)
J =

ans(:,:,1) =

   1   2   2   2   1
   1   2   2   2   1
   1   2   2   2   1
   1   2   2   2   1
   1   2   2   2   1

ans(:,:,2) =

   1   2   2   2   1
   1   2   2   2   1
   1   2   2   2   1
   1   2   2   2   1
   1   2   2   2   1

ans(:,:,3) =

   2   4   4   4   2
   2   4   4   4   2
   2   4   4   4   2
   2   4   4   4   2
   2   4   4   4   2



if other tests pass I can change other filtering functions in the same
manner.


Dmitri.
-- 


(file #58326)

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