// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution.  The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt

function r=%r_n_r(l1,l2)
    //%r_n_r(l1,l2) <=> l1<>l2 for rational matrices
    //!

    r=l1("dt")<>l2("dt")
    if ~r then
        r=l1("num")<>l2("num")|(l1("den")<>l2("den")&l1("num")<>0)
    end
endfunction