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NodalTriEvenlySpaced.h
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2 //
3 // File NodalTriEvenlySpaced.h
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9 // Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
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11 // Computing and Imaging Institute, University of Utah (USA).
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31 //
32 // Description: Header file of 2D Nodal Triangle Evenly Spaced Points
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NODALTRIEVENLYSPACED_H
37 #define NODALTRIEVENLYSPACED_H
38 
41 #include <boost/shared_ptr.hpp>
45 
46 namespace Nektar
47 {
48  namespace LibUtilities
49  {
50  class NodalTriEvenlySpaced: public Points<NekDouble>
51  {
52  public:
54  {
55 
56  }
57 
59  {
60 
61  }
62 
63  LIB_UTILITIES_EXPORT static boost::shared_ptr<PointsBaseType>
64  Create(const PointsKey &key);
65 
66  const MatrixSharedPtrType GetI(const PointsKey &pkey)
67  {
68  ASSERTL0(pkey.GetPointsDim() == 2,
69  "NodalTriEvenlySpaced Points can only interp to other "
70  "2d point distributions");
72  PointsManager()[pkey]->GetPoints(x, y);
73  return GetI(x, y);
74  }
75 
79  {
80  int numpoints = x.num_elements();
81  unsigned int np = GetTotNumPoints();
82 
83  Array<OneD, NekDouble> interp(GetTotNumPoints()*numpoints);
84  CalculateInterpMatrix(x, y, interp);
85 
86  NekDouble* d = interp.data();
88  ::AllocateSharedPtr(numpoints, np, d);
89  }
90 
91  private:
92  /// Deafult constructor should not be called except by Create matrix
94  {
95  }
96 
97  void CalculatePoints();
98  void CalculateWeights();
99  void CalculateDerivMatrix();
100  void NodalPointReorder2d();
104  Array<OneD, NekDouble> &interp);
105  }; // end of NodalTriEvenlySpaced
106  } // end of namespace
107 } // end of namespace
108 
109 #endif //NODALTRIEVENLYSPACED_H
static const PointsKey NullPointsKey(0, eNoPointsType)
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:161
General purpose memory allocation routines with the ability to allocate from thread specific memory p...
NodalTriEvenlySpaced()
Deafult constructor should not be called except by Create matrix.
void CalculateInterpMatrix(const Array< OneD, const NekDouble > &xi, const Array< OneD, const NekDouble > &yi, Array< OneD, NekDouble > &interp)
boost::shared_ptr< NekMatrix< DataType > > MatrixSharedPtrType
Definition: Points.h:228
#define LIB_UTILITIES_EXPORT
unsigned int GetPointsDim() const
Definition: Points.h:149
PointsManagerT & PointsManager(void)
Defines a specification for a set of points.
Definition: Points.h:58
double NekDouble
const MatrixSharedPtrType GetI(const Array< OneD, const NekDouble > &x, const Array< OneD, const NekDouble > &y)
unsigned int GetTotNumPoints() const
Definition: Points.h:251
const MatrixSharedPtrType GetI(const PointsKey &pkey)
static boost::shared_ptr< PointsBaseType > Create(const PointsKey &key)
Stores a set of points of datatype DataT, defined by a PointKey.