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+## Copyright (C) 1997 Auburn University.  All rights reserved.
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by the
+## Free Software Foundation; either version 2, or (at your option) any
+## later version.
+##
+## Octave is distributed in the hope that it will be useful, but WITHOUT
+## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+## for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, write to the Free
+## Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {[@var{y}, @var{my}, @var{ny}] =} abcddims (@var{x})
+##
+## Used internally in @code{abcddim}.  If @var{x} is a zero-size matrix,
+## both dimensions are set to 0 in @var{y}.
+## @var{my} and @var{ny} are the row and column dimensions of the result.
+## @end deftypefn
+
+## Author: A. S. Hodel <a.s.hodel@eng.auburn.edu>
+## Created: February 1997
+
+function [y, my, ny] = abcddims (x)
+
+  y = x;
+  if(isempty(y))
+    y = [];
+  endif
+  [my,ny] = size(y);
+
+endfunction