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PointExp.cpp
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File PointExp.cpp
4 //
5 // For more information, please see: http://www.nektar.info
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7 // The MIT License
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9 // Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10 // Department of Aeronautics, Imperial College London (UK), and Scientific
11 // Computing and Imaging Institute, University of Utah (USA).
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31 //
32 // Description: Definition of a Point expansion
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #include <LocalRegions/PointExp.h>
37 
38 namespace Nektar
39 {
40  namespace LocalRegions
41  {
42 
44  StdExpansion (1,0),
45  StdExpansion0D(),
46  StdRegions::StdPointExp(),
47  Expansion (geom),
48  Expansion0D (geom)
49  {
50  m_ncoeffs = 1;
51  }
52 
54  {
55  }
56 
57  void PointExp::v_GetCoords(Array<OneD,NekDouble> &coords_0,
58  Array<OneD, NekDouble> &coords_1,
59  Array<OneD, NekDouble> &coords_2)
60  {
61  ASSERTL1(coords_0.num_elements() > 0,
62  "Coords_0 is of insufficient size.");
63  ASSERTL1(GetCoordim() < 2 || coords_1.num_elements() > 0,
64  "Coords_1 is of insufficient size.");
65  ASSERTL1(GetCoordim() < 3 || coords_2.num_elements() > 0,
66  "Coords_2 is of insufficient size.");
67 
69  NekDouble tmp;
70  switch(GetCoordim())
71  {
72  case 1:
73  v->GetCoords(coords_0[0], tmp, tmp);
74  break;
75  case 2:
76  v->GetCoords(coords_0[0], coords_1[0], tmp);
77  break;
78  case 3:
79  v->GetCoords(coords_0[0], coords_1[0], coords_2[0]);
80  break;
81  }
82  }
83 
84  }
85 }