mirror of https://github.com/CGAL/cgal
75 lines
1.9 KiB
C++
75 lines
1.9 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 K >
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inline
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LineC2<K>
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line_from_points(const PointC2<K> &p,
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const PointC2<K> &q)
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{
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typename K::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<K>(a, b, c);
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}
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template < class K >
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inline
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LineC2<K>
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line_from_point_direction(const PointC2<K> &p,
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const DirectionC2<K> &d)
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{
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typename K::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<K>(a, b, c);
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}
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template < class K >
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inline
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LineC2<K>
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bisector(const PointC2<K> &p,
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const PointC2<K> &q)
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{
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return K().construct_bisector_2_object()(p, q);
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}
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template < class K >
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inline
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LineC2<K>
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perpendicular_through_point(const LineC2<K> &l,
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const PointC2<K> &p)
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{
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typename K::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<K>(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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