mirror of https://github.com/CGAL/cgal
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
// ======================================================================
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//
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// Copyright (c) 2000 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// ----------------------------------------------------------------------
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//
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// release :
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// release_date :
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//
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// file : include/CGAL/Cartesian/redefine_names_2.h
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// revision : $Revision$
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// revision_date : $Date$
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// author(s) : Herve Bronnimann
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// coordinator : INRIA Sophia-Antipolis (Mariette.Yvinec@sophia.inria.fr)
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//
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// ======================================================================
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#ifndef CGAL_CARTESIAN_REDEFINE_NAMES_2_H
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#define CGAL_CARTESIAN_REDEFINE_NAMES_2_H
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#ifndef CGAL_CFG_NO_ADVANCED_KERNEL
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// The following defines allow to keep a uniform presentation in
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// Point_2.h for both advanced and non-advanced kernels. This is a
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// temporary situation. When the non-advanced kernel disappears, all
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// classes ...C2 should be renamed ..._2 and this will be it for this
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// file. Meanwhile, this hack allows to have both versions at once.
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// In Lutz' and Michael's design, PointC2<R> becomes
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// Point_2<R,Cartesian_tag>, hence the following defines.
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#define PointC2 Point_2
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#define VectorC2 Vector_2
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#define DirectionC2 Direction_2
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#define LineC2 Line_2
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#define RayC2 Ray_2
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#define SegmentC2 Segment_2
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#define TriangleC2 Triangle_2
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#define CircleC2 Circle_2
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#define Iso_rectangleC2 Iso_rectangle_2
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#define Aff_transformationC2 Aff_transformation_2
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#define Data_accessorC2 Data_accessor_2
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// There is one more problem in unifying the two designs
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// We must also take care of the declarations in .C files
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// Specifically, in Lutz' and Michael's design, functions are defined as
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// PointC2<R,Cartesian_tag>::function() {}
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// and in Stefan's design, their definition looks like
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// PointC2<R>::function() {}
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// We unify this with PointC2<R CGAL_CTAG >::function
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#define CGAL_CTAG , Cartesian_tag
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// This is the mark of a partial specialization. Used by all kernel classes.
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#define CGAL_ADVANCED_KERNEL_PARTIAL_SPEC <R_,Cartesian_tag>
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#else
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#define CGAL_CTAG
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#define CGAL_ADVANCED_KERNEL_PARTIAL_SPEC
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// Note that it was not possible to keep the opposite (changing the
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// Point_2 into PointC2 for Stefan's design) because it would also
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// change "typename R::Point_2" into "typename R::PointC2" inside the
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// classes definition. A successful hack would then have to analyze
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// which Point_2 is intended, hence too complicated.
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#endif
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#endif // CGAL_CARTESIAN_REDEFINE_NAMES_2_H
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