BWAPI: SPAR/AIModule/BWTA/vendors/CGAL/CGAL/Cartesian/predicates_on_points

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00001 // Copyright (c) 2000  Utrecht University (The Netherlands),
00002 // ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
00003 // INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
00004 // (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
00005 // and Tel-Aviv University (Israel).  All rights reserved.
00006 //
00007 // This file is part of CGAL (www.cgal.org); you can redistribute it and/or
00008 // modify it under the terms of the GNU Lesser General Public License as
00009 // published by the Free Software Foundation; version 2.1 of the License.
00010 // See the file LICENSE.LGPL distributed with CGAL.
00011 //
00012 // Licensees holding a valid commercial license may use this file in
00013 // accordance with the commercial license agreement provided with the software.
00014 //
00015 // This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00016 // WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00017 //
00018 // $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.5-branch/Cartesian_kernel/include/CGAL/Cartesian/predicates_on_points_3.h $
00019 // $Id: predicates_on_points_3.h 28567 2006-02-16 14:30:13Z lsaboret $
00020 // 
00021 //
00022 // Author(s)     : Andreas Fabri, Herve Bronnimann
00023 
00024 #ifndef CGAL_CARTESIAN_PREDICATES_ON_POINTS_3_H
00025 #define CGAL_CARTESIAN_PREDICATES_ON_POINTS_3_H
00026 
00027 #include <CGAL/predicates/kernel_ftC3.h>
00028 
00029 CGAL_BEGIN_NAMESPACE
00030 
00031 template < class K >
00032 inline
00033 bool
00034 equal_xy(const PointC3<K> &p, const PointC3<K> &q)
00035 {
00036   return K().equal_xy_3_object()(p, q);
00037 }
00038 
00039 template < class K >
00040 inline
00041 bool
00042 equal_xyz(const PointC3<K> &p, const PointC3<K> &q)
00043 {
00044   return p.x() == q.x() && p.y() == q.y() && p.z() == q.z();
00045 }
00046 
00047 template < class K >
00048 inline
00049 Comparison_result
00050 compare_xy(const PointC3<K> &p, const PointC3<K> &q)
00051 {
00052   return K().compare_xy_3_object()(p, q);
00053 }
00054 
00055 template < class K >
00056 inline
00057 Comparison_result
00058 compare_lexicographically_xy(const PointC3<K> &p, const PointC3<K> &q)
00059 {
00060   return K().compare_xy_3_object()(p, q);
00061 }
00062 
00063 template < class K >
00064 inline
00065 bool
00066 lexicographically_xy_smaller_or_equal(const PointC3<K> &p, 
00067                                       const PointC3<K> &q)
00068 { 
00069   return compare_lexicographically_xy(p, q) != LARGER;
00070 }
00071 
00072 template < class K >
00073 inline
00074 bool
00075 lexicographically_xy_smaller(const PointC3<K> &p, 
00076                              const PointC3<K> &q)
00077 { 
00078   return K().less_xy_3_object()(p, q);
00079 }
00080 
00081 template < class K >
00082 inline
00083 bool
00084 strict_dominance(const PointC3<K> &p,
00085                  const PointC3<K> &q)
00086 {
00087   return strict_dominanceC3(p.x(), p.y(), p.z(),
00088                             q.x(), q.y(), q.z());
00089 }
00090 
00091 template < class K >
00092 inline
00093 bool
00094 dominance(const PointC3<K> &p,
00095           const PointC3<K> &q)
00096 {
00097   return dominanceC3(p.x(), p.y(), p.z(),
00098                      q.x(), q.y(), q.z());
00099 }
00100 
00101 CGAL_END_NAMESPACE
00102 
00103 #endif // CGAL_CARTESIAN_PREDICATES_ON_POINTS_3_H