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// Copyright (c) 2003
// 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)
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/Kernel_23/include/CGAL/Exact_predicates_exact_constructions_kernel.h $
// $Id: include/CGAL/Exact_predicates_exact_constructions_kernel.h b26b07a1242 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Menelaos Karavelas, Sylvain Pion
#ifndef CGAL_EXACT_PREDICATES_EXACT_CONSTRUCTIONS_KERNEL_H
#define CGAL_EXACT_PREDICATES_EXACT_CONSTRUCTIONS_KERNEL_H
#include <CGAL/Simple_cartesian.h>
#include <CGAL/Filtered_kernel.h>
#include <CGAL/Lazy_exact_nt.h>
#include <CGAL/Triangulation_structural_filtering_traits.h>
#include <CGAL/Number_types/internal/Exact_type_selector.h>
#ifndef CGAL_DONT_USE_LAZY_KERNEL
# include <CGAL/Lazy_kernel.h>
#endif
namespace CGAL {
constexpr bool epeck_use_static_filter =
#ifdef CGAL_NO_STATIC_FILTERS
false;
#else
true;
#endif
// Epeck_ft is either Gmpq, or leda_rational, or Quotient<MP_float>
using Epeck_ft = internal::Exact_field_selector<double>::Type;
// The following are redefined kernels instead of simple typedefs in order to shorten
// template name length (for error messages, mangling...).
#ifdef CGAL_DONT_USE_LAZY_KERNEL
// Equivalent to Filtered_kernel<Simple_cartesian<Lazy_exact_nt<Epeck_ft> > >
class Epeck
: public Filtered_kernel_adaptor<
Type_equality_wrapper< Simple_cartesian<Lazy_exact_nt<Epeck_ft> >::Base<Epeck>::Type, Epeck >,
epeck_use_static_filter >
{}; // end class Epeck
#else // no CGAL_DONT_USE_LAZY_KERNEL
namespace internal {
template <typename FT>
using Epeck_sc = Simple_cartesian<FT>;
using Epeck_interval = Simple_cartesian<Interval_nt_advanced>;
template <typename FT>
using Epeck_converter = Cartesian_converter<Epeck_sc<FT>, Epeck_interval>;
template <typename FT, typename Kernel>
using Epeck_lazy_base = Lazy_kernel_base<Epeck_sc<FT>, Epeck_interval, Epeck_converter<FT>, Kernel>;
template <typename FT, typename Kernel>
using Epeck_lazy_base_with_type_equality = Type_equality_wrapper<Epeck_lazy_base<FT, Kernel>, Kernel>;
} // namespace internal
// Equivalent to Lazy_kernel<Simple_cartesian<Epeck_ft> >
class Epeck : public internal::Epeck_lazy_base_with_type_equality<Epeck_ft, Epeck> {};
#endif // no CGAL_DONT_USE_LAZY_KERNEL
using Exact_predicates_exact_constructions_kernel = Epeck;
template <>
struct Triangulation_structural_filtering_traits<Epeck> {
using Use_structural_filtering_tag = Tag_true;
};
} //namespace CGAL
#endif // CGAL_EXACT_PREDICATES_EXACT_CONSTRUCTIONS_KERNEL_H
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