Nektar++
NodalTriElec.h
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2 //
3 // File NodalTriElec.h
4 //
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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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30 //
31 // Description: Header file of 2D Nodal Triangle Fekete Points
32 //
33 ///////////////////////////////////////////////////////////////////////////////
34 
35 #ifndef NODALTRIELEC_H
36 #define NODALTRIELEC_H
37 
38 #include <memory>
39 
46 
47 namespace Nektar
48 {
49 namespace LibUtilities
50 {
51 
52 class NodalTriElec : public Points<NekDouble>
53 {
54 public:
55  virtual ~NodalTriElec()
56  {
57  }
58 
59  LIB_UTILITIES_EXPORT static std::shared_ptr<PointsBaseType> Create(
60  const PointsKey &key);
61 
62  const MatrixSharedPtrType GetI(const PointsKey &pkey)
63  {
64  ASSERTL0(pkey.GetPointsDim() == 2,
65  "NodalTriElec Points can only interpolate to other 2d "
66  "point distributions");
68  PointsManager()[pkey]->GetPoints(x, y);
69  return GetI(x, y);
70  }
71 
74  {
75  size_t numpoints = x.size();
76  Array<OneD, NekDouble> interp(GetTotNumPoints() * numpoints);
77  CalculateInterpMatrix(x, y, interp);
78 
79  unsigned int np = GetTotNumPoints();
80  NekDouble *d = interp.data();
81  return MemoryManager<NekMatrix<NekDouble>>::AllocateSharedPtr(numpoints,
82  np, d);
83  }
84 
86  {
87  }
88 
89 private:
90  static bool initPointsManager[];
91 
92  std::shared_ptr<NodalUtilTriangle> m_util;
93 
95  {
96  }
97 
98  void CalculatePoints();
99  void CalculateWeights();
100  void CalculateDerivMatrix();
101  void NodalPointReorder2d();
102 
104  const Array<OneD, const NekDouble> &yia,
105  Array<OneD, NekDouble> &interp);
106 };
107 } // namespace LibUtilities
108 } // namespace Nektar
109 
110 #endif // NODALTRIELEC_H
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:215
#define LIB_UTILITIES_EXPORT
static std::shared_ptr< PointsBaseType > Create(const PointsKey &key)
const MatrixSharedPtrType GetI(const PointsKey &pkey)
Definition: NodalTriElec.h:62
const MatrixSharedPtrType GetI(const Array< OneD, const NekDouble > &x, const Array< OneD, const NekDouble > &y)
Definition: NodalTriElec.h:72
std::shared_ptr< NodalUtilTriangle > m_util
Definition: NodalTriElec.h:92
void CalculateInterpMatrix(const Array< OneD, const NekDouble > &xia, const Array< OneD, const NekDouble > &yia, Array< OneD, NekDouble > &interp)
NodalTriElec(const PointsKey &key)
Definition: NodalTriElec.h:85
Stores a set of points of datatype DataT, defined by a PointKey.
Definition: Points.h:254
std::shared_ptr< NekMatrix< DataType > > MatrixSharedPtrType
Definition: Points.h:257
unsigned int GetTotNumPoints() const
Definition: Points.h:281
Defines a specification for a set of points.
Definition: Points.h:59
unsigned int GetPointsDim() const
Definition: Points.h:147
General purpose memory allocation routines with the ability to allocate from thread specific memory p...
PointsManagerT & PointsManager(void)
static const PointsKey NullPointsKey(0, eNoPointsType)
The above copyright notice and this permission notice shall be included.
Definition: CoupledSolver.h:1
double NekDouble