[Octave-bug-tracker] [bug #52135] bar cannot plot two stacked bars

[Dan Sebald]

Follow-up Comment #14, bug #52135 (project octave):

The examples work, but it may have broken this case:


octave:4> h = bar ([1 2], [3 4])
error: bar: length of X and Y must be equal
error: called from
    __bar__ at line 123 column 5
    bar at line 118 column 16


Maybe this test:


  ngrp = rows (x);
  if (ngrp != rows (y))
    error ("%s: length of X and Y must be equal", func);
  endif
-verbatim_

needs to be on cols(y) rather than rows(y).  Also, there is a rows() here
after swapping x and y that should be double checked (should it be y = x.'?):


    if (isscalar (y) && ! isscalar (x))
      ## "y" is actually "width" argument
      y = x;
      x = [1:rows(y)]';
      idx = 2;


I'm out for a while, but the essence of the patch is good.

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