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_LOCALFUNCTIONS_BREZZIDOUGLASMARINI2_CUBE2D_LOCALCOEFFICIENTS_HH
4 #define DUNE_LOCALFUNCTIONS_BREZZIDOUGLASMARINI2_CUBE2D_LOCALCOEFFICIENTS_HH
5 
6 #include <cstddef>
7 #include <vector>
8 
9 #include "../../common/localkey.hh"
10 
11 namespace Dune
12 {
13 
14   /**
15    * \brief Layout map for Brezzi-Douglas-Marini-2 elements on quadrilaterals
16    *
17    * \ingroup LocalLayoutImplementation
18    * \nosubgrouping
19    * \implements Dune::LocalCoefficientsVirtualImp
20    */
21   class BDM2Cube2DLocalCoefficients
22   {
23 
24   public:
25     //! \brief Standard constructor
BDM2Cube2DLocalCoefficients()26     BDM2Cube2DLocalCoefficients() : li(14)
27     {
28       for (std::size_t i = 0; i < 4; ++i)
29       {
30         li[3 * i] = LocalKey(i,1,0);
31         li[3 * i + 1] = LocalKey(i,1,1);
32         li[3 * i + 2] = LocalKey(i,1,2);
33       }
34       li[12] = LocalKey(0,0,0);
35       li[13] = LocalKey(0,0,1);
36     }
37 
38     //! \brief number of coefficients
size() const39     std::size_t size() const
40     {
41       return 14;
42     }
43 
44     //! \brief get i'th index
localKey(std::size_t i) const45     const LocalKey& localKey(std::size_t i) const
46     {
47       return li[i];
48     }
49 
50   private:
51     std::vector<LocalKey> li;
52   };
53 } // end namespace Dune
54 #endif // DUNE_LOCALFUNCTIONS_BREZZIDOUGLASMARINI2_CUBE2D_LOCALCOEFFICIENTS_HH
55