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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) ENPC - JPC
// Copyright (C) INRIA - Serge Steer , Francois Delebecque
//
// 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 [den,num,err]=arl2(y,den0,n,imp,all)
[lhs,rhs]=argn(0);
// test the system type 'c' 'd' or dt
if rhs <= 4 then all="one";end
if rhs <= 3 then imp=0;end
if all=="all" then
[den,num,err]=arl2_ius(y,den0,n,imp,all);
else
[den,num,err]=arl2_ius(y,den0,n,imp);
end;
if lhs<=1 then
den=syslin("d",num,den);
end
endfunction
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