dune-localfunctions  2.3.0
prismp1localinterpolation.hh
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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_PRISM_P1_LOCALINTERPOLATION_HH
4 #define DUNE_PRISM_P1_LOCALINTERPOLATION_HH
5 
6 #include <vector>
7 
8 namespace Dune
9 {
10  template<class LB>
12  {
13  public:
15  {
16  x[0][0] = 0.0; x[0][1] = 0.0; x[0][2] = 0.0;
17  x[1][0] = 1.0; x[1][1] = 0.0; x[1][2] = 0.0;
18  x[2][0] = 0.0; x[2][1] = 1.0; x[2][2] = 0.0;
19  x[3][0] = 0.0; x[3][1] = 0.0; x[3][2] = 1.0;
20  x[4][0] = 1.0; x[4][1] = 0.0; x[4][2] = 1.0;
21  x[5][0] = 0.0; x[5][1] = 1.0; x[5][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(6);
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  f.evaluate(x[5],y); out[5] = y;
37  }
38 
39  private:
40  typename LB::Traits::DomainType x[6];
41  };
42 }
43 
44 #endif
void interpolate(const F &f, std::vector< C > &out) const
Local interpolation of a function.
Definition: prismp1localinterpolation.hh:26
Definition: prismp1localinterpolation.hh:11
PrismP1LocalInterpolation()
Definition: prismp1localinterpolation.hh:14