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// 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=%sp_k_sp(a,b)
// a.*.b with a and b sparse
[ija,va,mna]=spget(a)
[ijb,vb,mnb]=spget(b)
ia=ija(:,1);ja=ija(:,2)
ib=ijb(:,1);jb=ijb(:,2)
ij=[((ia-ones(ia))*mnb(1)).*.ones(ib)+ones(ia).*.ib,..
((ja-ones(ja))*mnb(2)).*.ones(jb)+ones(ia).*.jb]
r=sparse(ij,va.*.vb,mna.*mnb)
endfunction
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