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NodalPrismEvenlySpaced.h
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2 //
3 // File NodalPrismEvenlySpaced.h
4 //
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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: Header file of 3D Nodal Prism Evenly Spaced Points
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NODALPRISMEVENLYSPACED_H
37 #define NODALPRISMEVENLYSPACED_H
38 
43 #include <boost/shared_ptr.hpp>
44 
47 
48 namespace Nektar
49 {
50  namespace LibUtilities
51  {
52  class NodalPrismEvenlySpaced: public Points<NekDouble>
53  {
54  public:
56  {
57 
58  }
59 
61  {
62 
63  }
64 
65  LIB_UTILITIES_EXPORT static boost::shared_ptr<PointsBaseType>
66  Create(const PointsKey &key);
67 
68  const MatrixSharedPtrType GetI(const PointsKey &pkey)
69  {
70  ASSERTL0(pkey.GetPointsDim() == 3,
71  "NodalPrismEvenlySpaced Points can only interp to "
72  "other 3d point distributions");
73  Array<OneD, const NekDouble> x, y, z;
74  PointsManager()[pkey]->GetPoints(x, y, z);
75  return GetI(x, y, z);
76  }
77 
79  const Array<OneD, const NekDouble> &x,
80  const Array<OneD, const NekDouble> &y,
81  const Array<OneD, const NekDouble> &z)
82  {
83  int numpoints = x.num_elements();
84  unsigned int np = GetTotNumPoints();
85 
86  Array<OneD, NekDouble> interp(GetTotNumPoints()*numpoints);
87  CalculateInterpMatrix(x, y, z, interp);
88 
89  NekDouble* d = interp.data();
91  ::AllocateSharedPtr(numpoints, np, d);
92  }
93 
94  private:
95  /// Default constructor should not be called except by Create matrix
97  {
98  }
99 
100  void CalculatePoints();
101  void CalculateWeights();
102  void CalculateDerivMatrix();
103  void NodalPointReorder3d();
105  const Array<OneD, const NekDouble> &xi,
106  const Array<OneD, const NekDouble> &yi,
107  const Array<OneD, const NekDouble> &zi,
108  Array<OneD, NekDouble> &interp);
109  }; // end of NodalPrismEvenlySpaced
110  } // end of namespace
111 } // end of namespace
112 
113 #endif //NODALPRISMEVENLYSPACED_H