## Copyright (C) 2012 Ben Abbott
##
## 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 3 of the License, 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, see
## <http://www.gnu.org/licenses/>.

## -*- texinfo -*-
## @deftypefn {Function File} {[@var{a}, @var{b}, @dots{}] =} broadcast (@var{x}, @var{y}, @dots{})
## Apply broadcasting to the inputs and return the broacast versions.
## @end deftypefn

## Author: Ben Abbott

function varargout = broadcast (varargin)

  if (nargin < 1)
    print_usage ();
  endif

  m = cellfun (@numel, varargin);
  [~, m] = max (m);
  b = ones (size (varargin{m(1)}));
  try
    query = warning ("query", "Octave:broadcast");
    unwind_protect
      warning ("off", query.identifier);
      varargout = cellfun (@(x) b .* x, varargin, "uniformoutput", false);
    unwind_protect_cleanup
      warning (query.state, query.identifier);
    end_unwind_protect
  catch
    error ("broadcast: input sizes are inconsistent.");
  end_try_catch

endfunction
