Dune Core Modules (2.3.1)

entitykey.hh
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_DGFEnTITYKEY_HH
4#define DUNE_DGFEnTITYKEY_HH
5
6#include <iostream>
7#include <vector>
8
9#include <dune/grid/alugrid/3d/topology.hh>
10#include <dune/grid/io/file/dgfparser/dgfexception.hh>
11
12namespace Dune
13{
14
15 // DGFEntityKey
16 // ------------
17
18 template< class A >
19 struct DGFEntityKey
20 {
21 DGFEntityKey ( const std :: vector< A > &key, bool setOrigKey = true );
22 DGFEntityKey ( const std::vector< A > &key,
23 int N, int offset, bool setOrigKey = true );
24 DGFEntityKey ( const DGFEntityKey< A > &k );
25
26 DGFEntityKey< A > &operator= ( const DGFEntityKey< A > &k );
27
28 inline const A &operator[] ( int i ) const;
29 inline bool operator < ( const DGFEntityKey< A > &k ) const;
30
31 void orientation ( int base, std :: vector< std :: vector< double > > &vtx );
32 void print( std :: ostream &out = std :: cerr ) const;
33
34 inline bool origKeySet () const;
35 inline const A &origKey ( int i ) const;
36 inline int size () const;
37
38 private:
39 std :: vector< A > key_, origKey_;
40 bool origKeySet_;
41 };
42
43
44 template< class A >
45 inline const A &DGFEntityKey< A > :: operator[] ( int i ) const
46 {
47 return key_[ i ];
48 }
49
50
51 template< class A >
52 inline bool DGFEntityKey< A > :: operator< ( const DGFEntityKey< A > &k ) const
53 {
54 // assert(k.key_.size()==key_.size());
55 return key_ < k.key_;
56 }
57
58
59 template< class A >
60 inline bool DGFEntityKey< A > :: origKeySet () const
61 {
62 return origKeySet_;
63 }
64
65
66 template< class A >
67 inline const A &DGFEntityKey< A > :: origKey ( int i ) const
68 {
69 return origKey_[ i ];
70 }
71
72
73 template< class A >
74 inline int DGFEntityKey< A > :: size () const
75 {
76 return key_.size();
77 }
78
79
80
81 // ElementFaceUtil
82 // ---------------
83
84 struct ElementFaceUtil
85 {
86 inline static int nofFaces ( int dim, std::vector< unsigned int > &element );
87 inline static int faceSize ( int dim, bool simpl );
88
89 static DGFEntityKey< unsigned int >
90 generateFace ( int dim, const std::vector< unsigned int > &element, int f );
91
92 private:
93 template< int dim >
94 static DGFEntityKey< unsigned int >
95 generateCubeFace( const std::vector< unsigned int > &element, int f );
96
97 template< int dim >
98 static DGFEntityKey< unsigned int >
99 generateSimplexFace ( const std::vector< unsigned int > &element, int f );
100 };
101
102
103 inline int ElementFaceUtil::nofFaces ( int dim, std::vector< unsigned int > &element )
104 {
105 switch( dim )
106 {
107 case 1 :
108 return 2;
109 case 2 :
110 switch( element.size() )
111 {
112 case 3 :
113 return 3;
114 case 4 :
115 return 4;
116 default :
117 return -1;
118 }
119 case 3 :
120 switch( element.size() )
121 {
122 case 4 :
123 return 4;
124 case 8 :
125 return 6;
126 default :
127 return -1;
128 }
129 default :
130 return -1;
131 }
132 }
133
134
135 inline int ElementFaceUtil::faceSize( int dim, bool simpl )
136 {
137 switch( dim )
138 {
139 case 1 :
140 return 1;
141 case 2 :
142 return 2;
143 case 3 :
144 return (simpl ? 3 : 4);
145 default :
146 return -1;
147 }
148 }
149
150} //end namespace Dune
151
152// inlcude inline implementation
153#include "entitykey_inline.hh"
154#endif
Dune
Dune namespace.
Definition: alignment.hh:14
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