Nektar++
NodalTriEvenlySpaced.h
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2 //
3 // File NodalTriEvenlySpaced.h
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11 // Computing and Imaging Institute, University of Utah (USA).
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30 //
31 // Description: Header file of 2D Nodal Triangle Evenly Spaced Points
32 //
33 ///////////////////////////////////////////////////////////////////////////////
34 
35 #ifndef NODALTRIEVENLYSPACED_H
36 #define NODALTRIEVENLYSPACED_H
37 
38 #include <memory>
39 
46 
47 namespace Nektar
48 {
49 namespace LibUtilities
50 {
51 class NodalTriEvenlySpaced : public Points<NekDouble>
52 {
53 public:
55  {
56  }
57 
59  {
60  }
61 
62  LIB_UTILITIES_EXPORT static std::shared_ptr<PointsBaseType> Create(
63  const PointsKey &key);
64 
65  const MatrixSharedPtrType GetI(const PointsKey &pkey)
66  {
67  ASSERTL0(pkey.GetPointsDim() == 2,
68  "NodalTriEvenlySpaced Points can only interp to other "
69  "2d point distributions");
71  PointsManager()[pkey]->GetPoints(x, y);
72  return GetI(x, y);
73  }
74 
77  {
78  size_t numpoints = x.size();
79  unsigned int np = GetTotNumPoints();
80 
81  Array<OneD, NekDouble> interp(GetTotNumPoints() * numpoints);
82  CalculateInterpMatrix(x, y, interp);
83 
84  NekDouble *d = interp.data();
85  return MemoryManager<NekMatrix<NekDouble>>::AllocateSharedPtr(numpoints,
86  np, d);
87  }
88 
89 private:
90  static bool initPointsManager[];
91 
92  std::shared_ptr<NodalUtilTriangle> m_util;
93 
94  /// Deafult constructor should not be called except by Create matrix
96  {
97  }
98 
99  void CalculatePoints();
100  void CalculateWeights();
101  void CalculateDerivMatrix();
102  void NodalPointReorder2d();
105  Array<OneD, NekDouble> &interp);
106 }; // end of NodalTriEvenlySpaced
107 } // namespace LibUtilities
108 } // namespace Nektar
109 
110 #endif // NODALTRIEVENLYSPACED_H
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:215
#define LIB_UTILITIES_EXPORT
std::shared_ptr< NodalUtilTriangle > m_util
NodalTriEvenlySpaced()
Deafult constructor should not be called except by Create matrix.
const MatrixSharedPtrType GetI(const PointsKey &pkey)
const MatrixSharedPtrType GetI(const Array< OneD, const NekDouble > &x, const Array< OneD, const NekDouble > &y)
static std::shared_ptr< PointsBaseType > Create(const PointsKey &key)
void CalculateInterpMatrix(const Array< OneD, const NekDouble > &xi, const Array< OneD, const NekDouble > &yi, Array< OneD, NekDouble > &interp)
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