mirror of https://github.com/CGAL/cgal
75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
#ifndef CGAL_KD_KERNEL_3_INTERFACE_H
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#define CGAL_KD_KERNEL_3_INTERFACE_H
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#include <CGAL/functor_tags.h>
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#include <CGAL/transforming_iterator.h>
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#include <CGAL/marcutils.h>
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#include <CGAL/tuple.h>
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namespace CGAL {
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template <class Base_> struct Kernel_3_interface : public Base_ {
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typedef Base_ Base;
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typedef Kernel_3_interface<Base> Kernel;
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typedef typename Base::template Type<Point_tag>::type Point_3;
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typedef typename Base::template Type<Vector_tag>::type Vector_3;
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typedef typename Base::template Type<Segment_tag>::type Segment_3;
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typedef cpp0x::tuple<Point_3,Point_3,Point_3> Triangle_3; // placeholder
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typedef cpp0x::tuple<Point_3,Point_3,Point_3,Point_3> Tetrahedron_3; // placeholder
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struct Compare_xyz_3 {
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typedef typename Base::template Functor<Compare_lexicographically_tag>::type CL;
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typedef typename CL::result_type result_type;
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CL cl;
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Compare_xyz_3(Kernel const&k):cl(k){}
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result_type operator()(Point_3 const&a, Point_3 const&b) {
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return cl(a,b);
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}
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};
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struct Compare_distance_3 {
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typedef typename Base::template Functor<Compare_distance_tag>::type CD;
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typedef typename CD::result_type result_type;
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CD cd;
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Compare_distance_3(Kernel const&k):cd(k){}
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result_type operator()(Point_3 const&a, Point_3 const&b, Point_3 const&c) {
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return cd(a,b,c);
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}
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result_type operator()(Point_3 const&a, Point_3 const&b, Point_3 const&c, Point_3 const&d) {
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return cd(a,b,c,d);
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}
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};
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struct Orientation_3 {
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typedef typename Base::template Functor<Orientation_of_points_tag>::type O;
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typedef typename O::result_type result_type;
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O o;
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Orientation_3(Kernel const&k):o(k){}
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result_type operator()(Point_3 const&a, Point_3 const&b, Point_3 const&c, Point_3 const&d) {
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//return o(a,b,c,d);
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Point_3 const* t[4]={&a,&b,&c,&d};
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return o(make_transforming_iterator<Dereference_functor>(t+0),make_transforming_iterator<Dereference_functor>(t+4));
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}
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};
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struct Side_of_oriented_sphere_3 {
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typedef typename Base::template Functor<Side_of_oriented_sphere_tag>::type SOS;
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typedef typename SOS::result_type result_type;
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SOS sos;
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Side_of_oriented_sphere_3(Kernel const&k):sos(k){}
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result_type operator()(Point_3 const&a, Point_3 const&b, Point_3 const&c, Point_3 const&d, Point_3 const&e) {
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//return sos(a,b,c,d);
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Point_3 const* t[5]={&a,&b,&c,&d,&e};
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return sos(make_transforming_iterator<Dereference_functor>(t+0),make_transforming_iterator<Dereference_functor>(t+5));
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}
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};
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// I don't have the Coplanar predicates (yet)
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Compare_xyz_3 compare_xyz_3_object()const{ return Compare_xyz_3(*this); }
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Compare_distance_3 compare_distance_3_object()const{ return Compare_distance_3(*this); }
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Orientation_3 orientation_3_object()const{ return Orientation_3(*this); }
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Side_of_oriented_sphere_3 side_of_oriented_sphere_3_object()const{ return Side_of_oriented_sphere_3(*this); }
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};
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}
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#endif
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