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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA/ENPC
//
// 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 M2=%s_s_hm(M1,M2)

    // scalar -hypermatrix
    if and(size(M1)==[1 1]) then
        M2.entries=M1-M2.entries
    else
        dims1=size(M1)';
        dims2=matrix(M2.dims,-1,1)
        dims1(3:size(dims2,"*"))=1
        if and(dims1==dims2) then //should not occur
            M2.entries=matrix(M1,-1,1)-M2.entries
        else
            error(9)
        end
    end
endfunction