48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
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// Copyright (c) 2006-2008 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/Number_types/include/CGAL/Sqrt_extension/Eigen_NumTraits.h $
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// $Id: Eigen_NumTraits.h 8bb22d5 2020-03-26T14:23:37+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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#ifndef CGAL_SQRT_EXTENSION_EIGEN_NUMTRAITS_H
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#define CGAL_SQRT_EXTENSION_EIGEN_NUMTRAITS_H
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namespace Eigen {
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template<class> struct NumTraits;
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template <class NT,class ROOT, class ACDE_TAG, class FP_TAG>
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struct NumTraits<CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG> >
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{
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enum {
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IsInteger = 0,
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IsSigned = 1,
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IsComplex = 0,
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RequireInitialization = 1,
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ReadCost = 2*NumTraits<NT>::ReadCost+NumTraits<ROOT>::ReadCost,
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AddCost = 2*NumTraits<NT>::AddCost+NumTraits<ROOT>::ReadCost,
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MulCost = 5*NumTraits<NT>::MulCost+2*NumTraits<NT>::AddCost
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};
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typedef CGAL::Sqrt_extension<NT, ROOT, ACDE_TAG, FP_TAG> Real;
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typedef Real NonInteger;
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typedef Real Nested;
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typedef Real Literal;
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static inline Real epsilon() { return NumTraits<NT>::epsilon(); }
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static inline int digits10() { return NumTraits<NT>::digits10(); }
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static inline Real dummy_precision() { return NumTraits<NT>::dummy_precision(); }
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static inline Real highest() { return NumTraits<NT>::highest(); }
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static inline Real lowest() { return NumTraits<NT>::lowest(); }
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static inline Real infinity() { return NumTraits<NT>::infinity(); }
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static inline Real quiet_NaN() { return NumTraits<NT>::quiet_NaN(); }
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};
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}
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#endif
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