51 lines
1.6 KiB
C
51 lines
1.6 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); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 3 of the License,
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// or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0+
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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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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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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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};
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}
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#endif
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