1 /*! \file secOrd_op_identity.h
2 \brief Providing an identity function for vector valued finite element functions
3
4 Revision history
5 --------------------------------------------------
6
7 Revised by Christian Power Mai 2016
8 Originally written by Christian Power
9 (power22c@gmail.com) March 2016
10
11 Idea
12 --------------------------------------------------
13
14 This class provides a way to save the current grid in a vector valued finite
15 element function. With a different function you can save the nodal values into
16 a file with the dune grid format.
17
18 \author Christian Power
19 \date 23. Mai 2016
20 \copyright Copyright (c) 2016 Christian Power. All rights reserved.
21 */
22
23 #ifndef SECORD_OP_IDENTITY_H
24 #define SECORD_OP_IDENTITY_H
25
26 #include <memory>
27 #include "esfem_fwd.h"
28
29 namespace Esfem{
30 namespace SecOrd_op{
31 //! Interface for the identity function.
32 class Identity{
33 public:
34 //! Set up
35 Identity();
36 //! Required by pointer to implementation technique.
37 ~Identity();
38
39 void interpolate(Grid::Vec_FEfun&) const;
40 /*!< \brief The nodal values of the finite element functions
41 will be the nodal values itself.
42 */
43 private:
44 struct Data;
45 //! Pointer to implementation
46 std::unique_ptr<Data> d_ptr;
47 };
48 }
49 }
50
51 #endif // SECORD_OP_IDENTITY_H