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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
// Copyright (C) DIGITEO - 2011 - Allan CORNET
//
// 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 [a, ka] = setdiff(a, b)
// returns a values which are not in b
rhs = argn(2);
if rhs <> 2 then
error(msprintf(gettext("%s: Wrong number of input argument(s): %d expected.\n"), "setdiff", 2));
end
if b == [] then //b is empty reurn a!
ka = 1:size(a,"*");
return
end
[a,ka] = unique(a);
na = size(a,"*");
b = unique(b(:));
if type(a) == 10 then
[x,k] = gsort([a(:); b], "g", "i");
else
[x,k] = gsort([a(:); b], "g", "d");
end
if type(a) == 1 then x=x($:-1:1);k=k($:-1:1);,end
d = find(x(2:$)==x(1:$-1)); //index of common entries in sorted table
if d <> [] then
k([d;d+1]) = [];
end
keep = find(k <= na);
a = a(k(keep));
ka = ka(k(keep));
endfunction
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