1 /*! \file io_l2h1Calculator.h
2 \brief \f$L^2\f$- and \f$H^1\f$-norm
3
4 Revision history
5 --------------------------------------------------
6
7 Revised by Christian Power April 2016
8 Originally written by Christian Power
9 (power22c@gmail.com) Januar 2016
10
11 Idea
12 --------------------------------------------------
13
14 Build a wrapper class for the dune implementation.
15
16 \author Christian Power
17 \date 27. April 2016
18 \copyright Copyright (c) 2016 Christian Power. All rights reserved.
19 */
20
21 #ifndef IO_L2H1CALCULATOR_H
22 #define IO_L2H1CALCULATOR_H
23
24 #include <memory>
25 #include "esfem_fwd.h"
26
27 namespace Esfem{
28 //! Input output routines
29 namespace Io{
30 //! Wrapper class for dune \f$L^2\f$- and \f$H^1\f$-norms
31 class L2H1_calculator{
32 public:
33 // explicit L2H1_calculator(const Grid::Grid_and_time&,
34 // const Grid::Scal_FEfun& exact_solution,
35 // const Grid::Scal_FEfun& numerical_solution);
36 //! Get grid.
37 /*! \post Grid_and_time outlives this object. */
38 explicit L2H1_calculator(const Grid::Grid_and_time&);
39 //! Required by pointer to implementation technique.
40 ~L2H1_calculator();
41
42 //! \f$L^2\f$-distance of two finite element functions
43 double l2_err(const Grid::Scal_FEfun&, const Grid::Scal_FEfun&) const;
44 //! \copybrief l2_err()
45 double l2_err(const Grid::Vec_FEfun&, const Grid::Vec_FEfun&) const;
46 //! \f$H^1\f$-distance of two finite element functions
47 double h1_err(const Grid::Scal_FEfun&, const Grid::Scal_FEfun&) const;
48 //! \copybrief h1_err()
49 double h1_err(const Grid::Vec_FEfun&, const Grid::Vec_FEfun&) const;
50 private:
51 struct Data;
52 //! Pointer to data member
53 std::unique_ptr<Data> d_ptr;
54 };
55 }
56 }
57
58 #endif // IO_L2H1CALCULATOR_H