%% Copyright (C) 1996, 1997 John W. Eaton
%%
%% 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
%% 02110-1301, USA.

%% -*- texinfo -*-
%% @deftypefn {Function File} {} isvector (@var{a})
%% Return 1 if @var{a} is a vector.  Otherwise, return 0.
%% @seealso{size, rows, columns, length, isscalar, ismatrix}
%% @end deftypefn

%% Author: jwe
%% Adapted for the use with M*tlab by AS <alois.schloegl@gmail.com> Dec 2006

function retval = isvector (x)

  retval = 0;

  if (nargin == 1)
    sz = size (x);
    retval = (ndims (x) == 2 && (sz(1) == 1 || sz(2) == 1));
  else
    error;
 end

end
