// 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=%p_x_r(p,r)
    // r=%p_x_r(p,r)  <=> r=p.*r   polynomial.* rational
    //author Serge Steer, INRIA
    //!

    r.num=p.*r.num
    sz=size(r.num)
    if size(sz,"*")<=2 then
        r=simp(r)
    else
        [num,den]=simp(r.num.entries,r.den.entries)
        r.num=matrix(num,sz)
        r.den=matrix(den,sz)
    end
endfunction