mirror of https://github.com/CGAL/cgal
89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
// Copyright (c) 1998-2005 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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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); 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; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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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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// $Source$
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// $Revision$ $Date$
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// $Name$
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//
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// Author(s) : Sylvain Pion
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#ifndef CGAL_INTERVAL_NT_FWD_H
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#define CGAL_INTERVAL_NT_FWD_H
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// Forward declarations of functions based on Interval_nt, required by
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// two-stage name lookup.
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#include <CGAL/Uncertain.h>
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CGAL_BEGIN_NAMESPACE
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template <bool> class Interval_nt;
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template <bool Protected>
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double to_double (const Interval_nt<Protected> &);
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template <bool Protected>
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std::pair<double, double> to_interval (const Interval_nt<Protected> &);
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template <bool Protected>
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bool is_valid (const Interval_nt<Protected> &);
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template <bool Protected>
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bool is_finite (const Interval_nt<Protected> &);
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template <bool Protected>
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Interval_nt<Protected> sqrt (const Interval_nt<Protected> &);
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template <bool Protected>
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Interval_nt<Protected>
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min (const Interval_nt<Protected> &, const Interval_nt<Protected> &);
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template <bool Protected>
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Interval_nt<Protected>
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max (const Interval_nt<Protected> &, const Interval_nt<Protected> &);
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template <bool Protected>
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Interval_nt<Protected> square (const Interval_nt<Protected> &);
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template <bool Protected>
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Interval_nt<Protected> abs (const Interval_nt<Protected> &);
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template <bool Protected>
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Uncertain<Sign> sign (const Interval_nt<Protected> &);
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template <bool Protected>
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Uncertain<Comparison_result>
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compare (const Interval_nt<Protected> &, const Interval_nt<Protected> &);
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template <bool Protected>
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Uncertain<bool> is_zero (const Interval_nt<Protected> & d);
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template <bool Protected>
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Uncertain<bool> is_one (const Interval_nt<Protected> & d);
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template <bool Protected>
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Uncertain<bool>
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is_positive (const Interval_nt<Protected> & d);
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template <bool Protected>
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Uncertain<bool>
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is_negative (const Interval_nt<Protected> & d);
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CGAL_END_NAMESPACE
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#endif // CGAL_INTERVAL_NT_FWD_H
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