mirror of https://github.com/CGAL/cgal
80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
// Copyright (c) 1997 Tel-Aviv University (Israel).
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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 may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL 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) : Oren Nechushtan <theoren@math.tau.ac.il>
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#ifndef CGAL_TD_TRAITS_H
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#include <CGAL/Td_traits.h>
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#endif
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CGAL_BEGIN_NAMESPACE
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template <class Traits,class X_curve_plus>
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const typename Td_traits<Traits,X_curve_plus>::Point&
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Td_traits<Traits,X_curve_plus>::get_point_at_left_top_infinity(){
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/*
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static typename Td_traits<Traits,X_curve_plus>::Point
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Td_traits<Traits,X_curve_plus>::POINT_AT_LEFT_TOP_INFINITY;
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return Td_traits<Traits,X_curve_plus>::POINT_AT_LEFT_TOP_INFINITY;
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*/
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// static Point POINT_AT_LEFT_TOP_INFINITY;
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if (!POINT_AT_LEFT_TOP_INFINITY)
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POINT_AT_LEFT_TOP_INFINITY = new Point();
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return *POINT_AT_LEFT_TOP_INFINITY;
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}
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template <class Traits,class X_curve_plus>
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const typename Td_traits<Traits,X_curve_plus>::Point&
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Td_traits<Traits,X_curve_plus>::get_point_at_right_bottom_infinity(){
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/*
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static typename Td_traits<Traits,X_curve_plus>::Point
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Td_traits<Traits,X_curve_plus>::POINT_AT_RIGHT_BOTTOM_INFINITY;
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return Td_traits<Traits,X_curve_plus>::POINT_AT_RIGHT_BOTTOM_INFINITY;
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*/
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// static Point POINT_AT_RIGHT_BOTTOM_INFINITY;
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if (!POINT_AT_RIGHT_BOTTOM_INFINITY)
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POINT_AT_RIGHT_BOTTOM_INFINITY = new Point();
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return *POINT_AT_RIGHT_BOTTOM_INFINITY;
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}
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template <class Traits,class X_curve_plus>
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const typename Td_traits<Traits,X_curve_plus>::X_curve&
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Td_traits<Traits,X_curve_plus>::get_curve_at_infinity(){
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/*
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static typename typename Traits::X_curveTraits::X_curve
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Td_traits<Traits,X_curve_plus>::CURVE_AT_INFINITY;
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return Td_traits<Traits,X_curve_plus>::CURVE_AT_INFINITY;
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*/
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// static X_curve CURVE_AT_INFINITY;
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if (!CURVE_AT_INFINITY)
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CURVE_AT_INFINITY = new X_curve();
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return *CURVE_AT_INFINITY;
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}
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template <class Traits,class X_curve_plus>
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typename Td_traits<Traits,X_curve_plus>::Point *
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Td_traits<Traits,X_curve_plus>::POINT_AT_LEFT_TOP_INFINITY = 0;
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template <class Traits,class X_curve_plus>
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typename Td_traits<Traits,X_curve_plus>::Point *
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Td_traits<Traits,X_curve_plus>::POINT_AT_RIGHT_BOTTOM_INFINITY = 0;
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template <class Traits,class X_curve_plus>
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typename Td_traits<Traits,X_curve_plus>::X_curve *
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Td_traits<Traits,X_curve_plus>::CURVE_AT_INFINITY = 0;
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CGAL_END_NAMESPACE
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