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// Copyright (c) 2009-2014 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/Kernel_d/include/CGAL/Filtered_kernel_d.h $
// $Id: include/CGAL/Filtered_kernel_d.h b26b07a1242 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Samuel Hornus, Olivier Devillers
#ifndef CGAL_FILTERED_KERNEL_D_H
#define CGAL_FILTERED_KERNEL_D_H
#include <CGAL/Filtered_predicate.h>
#include <CGAL/Number_types/internal/Exact_type_selector.h>
#include <CGAL/Kernel_d/Cartesian_converter_d.h>
#include <CGAL/Cartesian_d.h>
namespace CGAL {
template<typename Kernel> // a dD kernel we want to filter
struct Filtered_kernel_d : public Cartesian_d<typename Kernel::FT>
{
typedef typename Kernel::LA LA;
typedef typename Kernel::RT RT; // Ring type
typedef typename Kernel::FT FT; // Field type
typedef Cartesian_d<FT> Base;
typedef Filtered_kernel_d<Kernel> Self;
// an exact number type
typedef typename internal::Exact_type_selector<RT>::Type Exact_nt;
// the corresponding exact kernel
//typedef Linear_algebraCd< Exact_nt, boost::pool_allocator<Exact_nt> > Exact_linalg;
typedef Linear_algebraCd< Exact_nt > Exact_linalg;
typedef Cartesian_d<Exact_nt, Exact_linalg> Exact_kernel;
// the kernel used for filtered predicates
typedef Interval_nt<false> IA;
//typedef Linear_algebraCd<IA, boost::pool_allocator<IA> > Interval_linalg;
typedef Linear_algebraCd<IA> Interval_linalg;
typedef Cartesian_d<IA, Interval_linalg > Approximate_kernel;
// the converter
typedef Cartesian_converter_d<Base, Exact_kernel> C2E;
typedef Cartesian_converter_d<Base, Approximate_kernel> C2F;
// we change the predicates.
#define CGAL_Kernel_pred(P, Pf) \
typedef Filtered_predicate<typename Exact_kernel::P, typename Approximate_kernel::P, C2E, C2F> P; \
P Pf() const { return P(); }
// we don't touch the constructions.
#define CGAL_Kernel_cons(Y,Z)
#include <CGAL/Kernel_d/interface_macros_d.h>
};
} //namespace CGAL
#endif // CGAL_FILTERED_KERNEL_D_H
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