61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
// Copyright (c) 2006-2007 Max-Planck-Institute Saarbruecken (Germany).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org)
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Algebraic_foundations/include/CGAL/Fraction_traits.h $
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// $Id: Fraction_traits.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Michael Hemmer <hemmer@mpi-inf.mpg.de>
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//
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// =============================================================================
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// TODO: The comments are all original EXACUS comments and aren't adapted. So
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// they may be wrong now.
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/*! \file NiX/Fraction_traits.h
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\brief Defines class NiX::Fraction_traits.
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Provides dependent types and function objects for all the functions
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beyond operators with specializations of the \c Fraction_traits<NT>
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class for each number type.
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*/
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#ifndef CGAL_FRACTION_TRAITS_H
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#define CGAL_FRACTION_TRAITS_H
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#include <CGAL/tags.h>
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namespace CGAL {
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/*! \ingroup NiX_Fraction_traits_spec
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* \brief Traits class for accessing numerator and denominator.\n
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* It is a model of the concept TypeTraits.
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*
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* This is the default version of NiX::Fraction_traits.
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* It typedefs NiX::Fraction_traits::Is_decomposable
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* as Tag_false and all functors to LiS::Null_type.
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*
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* \see module NiX_Fraction_traits
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* \see module NiX_Cofraction_traits
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*/
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template <class Type_ >
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class Fraction_traits {
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public:
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typedef Type_ Type;
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typedef Tag_false Is_fraction;
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typedef Null_tag Numerator_type;
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typedef Null_tag Denominator_type;
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typedef Null_functor Common_factor;
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typedef Null_functor Decompose;
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typedef Null_functor Compose;
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};
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} //namespace CGAL
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#endif // CGAL_FRACTION_TRAITS_H
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// EOF
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