dune-localfunctions  2.2.1
pyramidp2localinterpolation.hh
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1 // -*- tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 // vi: set et ts=2 sw=2 sts=2:
3 #ifndef DUNE_PYRAMID_P2_LOCALINTERPOLATION_HH
4 #define DUNE_PYRAMID_P2_LOCALINTERPOLATION_HH
5 
6 #include <vector>
7 
8 namespace Dune
9 {
10  template<class LB>
12  {
13  public:
14 
16  template<typename F, typename C>
17  void interpolate (const F& f, std::vector<C>& out) const
18  {
19  typename LB::Traits::RangeType y;
20 
21  out.resize(14);
22  typename LB::Traits::DomainType x;
23 
24  x[0] = 0.0; x[1] = 0.0; x[2] = 0.0;
25  f.evaluate(x,y); out[0] = y;
26 
27  x[0] = 1.0; x[1] = 0.0; x[2] = 0.0;
28  f.evaluate(x,y); out[1] = y;
29 
30  x[0] = 0.0; x[1] = 1.0; x[2] = 0.0;
31  f.evaluate(x,y); out[2] = y;
32 
33  x[0] = 1.0; x[1] = 1.0; x[2] = 0.0;
34  f.evaluate(x,y); out[3] = y;
35 
36  x[0] = 0.0; x[1] = 0.0; x[2] = 1.0;
37  f.evaluate(x,y); out[4] = y;
38 
39  x[0] = 0.0; x[1] = 0.5; x[2] = 0.0;
40  f.evaluate(x,y); out[5] = y;
41 
42  x[0] = 1.0; x[1] = 0.5; x[2] = 0.0;
43  f.evaluate(x,y); out[6] = y;
44 
45  x[0] = 0.5; x[1] = 0.0; x[2] = 0.0;
46  f.evaluate(x,y); out[7] = y;
47 
48  x[0] = 0.5; x[1] = 1.0; x[2] = 0.0;
49  f.evaluate(x,y); out[8] = y;
50 
51  x[0] = 0.0; x[1] = 0.0; x[2] = 0.5;
52  f.evaluate(x,y); out[9] = y;
53 
54  x[0] = 0.5; x[1] = 0.0; x[2] = 0.5;
55  f.evaluate(x,y); out[10] = y;
56 
57  x[0] = 0.0; x[1] = 0.5; x[2] = 0.5;
58  f.evaluate(x,y); out[11] = y;
59 
60  x[0] = 0.5; x[1] = 0.5; x[2] = 0.5;
61  f.evaluate(x,y); out[12] = y;
62 
63  x[0] = 0.5; x[1] = 0.5; x[2] = 0.0;
64  f.evaluate(x,y); out[13] = y;
65  }
66 
67  };
68 }
69 
70 #endif