80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
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// Copyright (c) 2014
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// Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland),
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// INRIA Sophia-Antipolis (France),
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// Max-Planck-Institute Saarbruecken (Germany),
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// and Tel-Aviv University (Israel). 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/Number_types/include/CGAL/Exact_integer.h $
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// $Id: Exact_integer.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) : Laurent Rineau
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#include <CGAL/config.h>
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#include <CGAL/boost_mp.h>
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#if CGAL_USE_GMPXX
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# include <CGAL/gmpxx.h>
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#elif CGAL_USE_GMP
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# include <CGAL/Gmpz.h>
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#elif CGAL_USE_LEDA
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# include <CGAL/leda_integer.h>
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#elif CGAL_USE_CORE
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# include <CGAL/CORE_BigInt.h>
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#elif defined CGAL_USE_BOOST_MP
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#else
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# error CGAL is configured with none of GMP, LEDA, Boost.Multiprecision and CORE. <CGAL/Exact_integer.h> cannot be used.
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#endif
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namespace CGAL {
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/*!
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\ingroup nt_cgal
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`Exact_integer` is an exact integer number type.
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It is a typedef of another number type. Its exact definition depends on
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the availability the third-party libraries %GMP, %CORE, and %LEDA. %CGAL must
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be configured with at least one of those libraries.
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\cgalModels `EuclideanRing`
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\cgalModels `RealEmbeddable`
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*/
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#if DOXYGEN_RUNNING
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typedef unspecified_type Exact_integer;
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#else // not DOXYGEN_RUNNING
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#if CGAL_USE_GMPXX
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typedef mpz_class Exact_integer;
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#elif CGAL_USE_GMP
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# ifdef CGAL_USE_BOOST_MP
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typedef boost::multiprecision::mpz_int Exact_integer;
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# else
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typedef Gmpz Exact_integer;
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# endif
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#elif CGAL_USE_LEDA
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typedef leda_integer Exact_integer;
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#elif CGAL_USE_CORE
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typedef CORE::BigInt Exact_integer;
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#elif defined CGAL_USE_BOOST_MP
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typedef boost::multiprecision::cpp_int Exact_integer;
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#endif // CGAL_USE_CORE
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#endif // not DOXYGEN_RUNNING
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} /* end namespace CGAL */
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