Dune Core Modules (2.4.1)

intersectioniterator.hh
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1// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2// vi: set et ts=4 sw=2 sts=2:
3#ifndef DUNE_ALBERTA_INTERSECTIONITERATOR_HH
4#define DUNE_ALBERTA_INTERSECTIONITERATOR_HH
5
6#include <dune/grid/common/intersectioniterator.hh>
7
8#include <dune/grid/albertagrid/intersection.hh>
9
15#if HAVE_ALBERTA
16
17namespace Dune
18{
19
20 // AlbertaGridLeafIntersectionIterator
21 // -----------------------------------
22
23 template< class GridImp >
24 class AlbertaGridLeafIntersectionIterator
25 {
26 typedef AlbertaGridLeafIntersectionIterator< GridImp > This;
27
28 public:
30
31 static const int dimension = Intersection::dimension;
32
33 struct Begin {};
34 struct End {};
35
36 private:
37 typedef AlbertaGridLeafIntersection< GridImp > IntersectionImp;
38
39 public:
40 AlbertaGridLeafIntersectionIterator ()
41 {}
42
43 template< class EntityImp >
44 AlbertaGridLeafIntersectionIterator ( const EntityImp &entity, Begin )
45 : intersection_( IntersectionImp( entity, 0 ) )
46 {}
47
48 template< class EntityImp >
49 AlbertaGridLeafIntersectionIterator ( const EntityImp &entity, End )
50 : intersection_( IntersectionImp( entity, dimension+1 ) )
51 {}
52
53 AlbertaGridLeafIntersectionIterator ( const This &other )
54 : intersection_( other.intersectionImp() )
55 {}
56
57 This &operator= ( const This &other )
58 {
59 intersectionImp() = other.intersectionImp();
60 return *this;
61 }
62
63 const Intersection &dereference () const
64 {
65 return intersection_;
66 }
67
68 bool equals ( const This &other ) const
69 {
70 return (intersectionImp() == other.intersectionImp());
71 }
72
73 void increment ()
74 {
75 intersectionImp().next();
76 }
77
78 private:
79 const IntersectionImp &intersectionImp () const
80 {
81 return GridImp::getRealImplementation( intersection_ );
82 }
83
84 IntersectionImp &intersectionImp ()
85 {
86 return GridImp::getRealImplementation( intersection_ );
87 }
88
89 Intersection intersection_;
90 };
91
92}
93
94#endif // #if HAVE_ALBERTA
95
96#endif // #ifndef DUNE_ALBERTA_INTERSECTIONITERATOR_HH
Intersection of a mesh entities of codimension 0 ("elements") with a "neighboring" element or with th...
Definition: intersection.hh:161
Dune namespace.
Definition: alignment.hh:10
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