// 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,ind]=aplat(l,r)
    //flattens a list. If l is constant it puts it in a list
    //ind contains the list structure
    if type(l)<>15 then r=list(l);ind=-1;return;end
    n=size(l)
    [lhs,rhs]=argn(0)
    if rhs==1 then r=list(),nr=0,end
    ind=list()
    i=0
    nind=0
    for li=l
        i=i+1
        if type(li)==15 then
            [r,ind1]=aplat(li,r)
            ni=size(ind1)
            for j=1:ni,nind=nind+1;ind(nind)=[i,ind1(j)];end
            nr=size(r)
        else
            nr=nr+1
            r(nr)=li
            nind=nind+1
            ind(nind)=i
        end
    end
endfunction