// Copyright (c) 2005 // Utrecht University (The Netherlands), // ETH Zurich (Switzerland), // INRIA Sophia-Antipolis (France), // Max-Planck-Institute Saarbruecken (Germany), // and Tel-Aviv University (Israel). 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; either version 3 of the License, // or (at your option) any later version. // // 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. // // $URL$ // $Id$ // SPDX-License-Identifier: LGPL-3.0+ // // // Author(s) : Sylvain Pion #ifndef CGAL_SAME_UNCERTAINTY_H #define CGAL_SAME_UNCERTAINTY_H #include namespace CGAL { template < typename T1, typename T2 > struct Same_uncertainty { typedef T1 type; }; template < typename T > class Uncertain; template < typename T > struct Sgn; template < typename T1, typename T2 > struct Same_uncertainty < T1, Uncertain > { typedef Uncertain type; }; // Short cut to extract uncertainty from a number type directly. template < typename T1, typename NT > struct Same_uncertainty_nt : Same_uncertainty ::result_type > {}; } //namespace CGAL #endif // CGAL_SAME_UNCERTAINTY_H