// 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]=%l_o_l(l1,l2)
    //l1==l2
    //!

    n1=length(l1)


    r=n1==length(l2)
    if r&n1>0 then
        r=%f(ones(1,n1))
        sel=%f(ones(1,n1))
        k1=definedfields(l1)
        k2=definedfields(l2)
        for i=intersect(k1,k2),
            a=getfield(i, l1);
            b=getfield(i, l2);
            if exists("a") == 0 | exists("b") == 0 then //case list(1,,2)
                r(i) = %f;
            else
                if and(getfield(i,l1)==getfield(i,l2)) then r(i)= %t,end
            end
        end
        s1=1:n1;s1(k1)=[];
        s2=1:n1;s2(k2)=[];
        k1=intersect(s1,s2)
        if k1<>[] then r(intersect(s1,s2))=%t,end
    end
endfunction