/usr/include/CGAL/Kernel/Same_uncertainty.h is in libcgal-dev 4.2-5ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | // 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.
//
// $URL$
// $Id$
//
//
// Author(s) : Sylvain Pion
#ifndef CGAL_SAME_UNCERTAINTY_H
#define CGAL_SAME_UNCERTAINTY_H
#include <CGAL/config.h>
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<T2> >
{
typedef Uncertain<T1> type;
};
// Short cut to extract uncertainty from a number type directly.
template < typename T1, typename NT >
struct Same_uncertainty_nt
: Same_uncertainty <T1, typename Sgn<NT>::result_type > {};
} //namespace CGAL
#endif // CGAL_SAME_UNCERTAINTY_H
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