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//
// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2010-2010 - DIGITEO - Vincent LEJEUNE
//
// 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-en.txt
//
//
function ret=cs(A,m1,m2)
[m,n]=size(A);
rettmp=zeros(m,n);
ret=zeros(m,n);
for i=1:m
id=pmodulo(i-m1-1,m)+1;
rettmp(i,:)=A(id,:);
end
for j=1:n
jd=pmodulo(j-m2-1,n)+1;
ret(:,j)=rettmp(:,jd);
end
endfunction
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