dune-localfunctions  2.2.1
pyramidp1localinterpolation.hh
Go to the documentation of this file.
1 // -*- tab-width: 4; indent-tabs-mode: nil -*-
2 #ifndef DUNE_PYRAMID_P1_LOCALINTERPOLATION_HH
3 #define DUNE_PYRAMID_P1_LOCALINTERPOLATION_HH
4 
5 #include <vector>
6 
7 
8 namespace Dune
9 {
10  template<class LB>
12 
13  {
14  public:
16  {
17  x[0][0] = 0.0; x[0][1] = 0.0; x[0][2] = 0.0;
18  x[1][0] = 1.0; x[1][1] = 0.0; x[1][2] = 0.0;
19  x[2][0] = 0.0; x[2][1] = 1.0; x[2][2] = 0.0;
20  x[3][0] = 1.0; x[3][1] = 1.0; x[3][2] = 0.0;
21  x[4][0] = 0.0; x[4][1] = 0.0; x[4][2] = 1.0;
22  }
23 
25  template<typename F, typename C>
26  void interpolate (const F& f, std::vector<C>& out) const
27  {
28  typename LB::Traits::RangeType y;
29 
30  out.resize(5);
31  f.evaluate(x[0],y); out[0] = y;
32  f.evaluate(x[1],y); out[1] = y;
33  f.evaluate(x[2],y); out[2] = y;
34  f.evaluate(x[3],y); out[3] = y;
35  f.evaluate(x[4],y); out[4] = y;
36  }
37  private:
38  typename LB::Traits::DomainType x[5];
39  };
40 }
41 
42 #endif