mirror of https://github.com/CGAL/cgal
77 lines
2.0 KiB
C++
77 lines
2.0 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/line_constructions_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_LINE_CONSTRUCTIONS_2_H
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#define CGAL_CARTESIAN_LINE_CONSTRUCTIONS_2_H
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#include <CGAL/Cartesian/Point_2.h>
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#include <CGAL/Cartesian/Line_2.h>
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CGAL_BEGIN_NAMESPACE
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template < class R >
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inline
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LineC2<R CGAL_CTAG>
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line_from_points( PointC2<R CGAL_CTAG> const& p,
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PointC2<R CGAL_CTAG> const& q)
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{
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typename R::FT a,b,c;
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line_from_pointsC2(p.x(),p.y(),q.x(),q.y(),a,b,c);
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return LineC2<R CGAL_CTAG>(a,b,c);
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}
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template < class R >
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inline
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LineC2<R CGAL_CTAG>
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line_from_point_direction( PointC2<R CGAL_CTAG> const& p,
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DirectionC2<R CGAL_CTAG> const& d)
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{
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typename R::FT a,b,c;
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line_from_point_directionC2(p.x(),p.y(),d.dx(),d.dy(),a,b,c);
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return LineC2<R CGAL_CTAG>(a,b,c);
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}
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template < class R >
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inline
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LineC2<R CGAL_CTAG>
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bisector( PointC2<R CGAL_CTAG> const& p,
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PointC2<R CGAL_CTAG> const& q)
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{
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typename R::FT a,b,c;
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bisector_of_pointsC2(p.x(),p.y(),q.x(),q.y(),a,b,c);
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return LineC2<R CGAL_CTAG>(a,b,c);
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}
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template < class R >
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inline
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LineC2<R CGAL_CTAG>
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perpendicular_through_point( LineC2<R CGAL_CTAG> const& l,
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PointC2<R CGAL_CTAG> const& p)
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{
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typename R::FT a,b,c;
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perpendicular_through_pointC2(l.a(),l.b(),p.x(),p.y(),a,b,c);
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return LineC2<R CGAL_CTAG>(a,b,c);
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_CARTESIAN_LINE_CONSTRUCTIONS_2_H
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