cgal/Nef_2/include/CGAL/Nef_polynomial_fwd.h

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// Copyright (c) 1999,2003,2004,2005 Max-Planck-Institute Saarbruecken (Germany).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Andreas Fabri, Stefan Schirra, Sylvain Pion
#ifndef CGAL_NEF_POLYNOMIAL_FWD_H
#define CGAL_NEF_POLYNOMIAL_FWD_H
// Forward declarations of functions over Polynomial and Nef_polynomial
CGAL_BEGIN_NAMESPACE
namespace Nef {
template <typename> class Polynomial;
template <typename ET> double to_double(const Polynomial<ET> &);
//template <typename ET>
//std::pair<double,double> to_interval(const Polynomial<ET> &);
template <typename ET>
Sign sign(const Polynomial<ET> &);
template <typename ET>
Polynomial<ET> abs(const Polynomial<ET> &);
template <typename ET>
Polynomial<ET> gcd(const Polynomial<ET> &, const Polynomial<ET> &);
}
// Nef_polynomial
template <typename> class Nef_polynomial;
CGAL_END_NAMESPACE
#endif // CGAL_NEF_POLYNOMIAL_FWD_H