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NodalTriEvenlySpaced.h
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3 // File NodalTriEvenlySpaced.h
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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 
42 #include <boost/shared_ptr.hpp>
46 
47 namespace Nektar
48 {
49  namespace LibUtilities
50  {
51  class NodalTriEvenlySpaced: public Points<NekDouble>
52  {
53  public:
55  {
56 
57  }
58 
60  {
61 
62  }
63 
64  LIB_UTILITIES_EXPORT static boost::shared_ptr<PointsBaseType>
65  Create(const PointsKey &key);
66 
67  const MatrixSharedPtrType GetI(const PointsKey &pkey)
68  {
69  ASSERTL0(pkey.GetPointsDim() == 2,
70  "NodalTriEvenlySpaced Points can only interp to other "
71  "2d point distributions");
73  PointsManager()[pkey]->GetPoints(x, y);
74  return GetI(x, y);
75  }
76 
80  {
81  int numpoints = x.num_elements();
82  unsigned int np = GetTotNumPoints();
83 
84  Array<OneD, NekDouble> interp(GetTotNumPoints()*numpoints);
85  CalculateInterpMatrix(x, y, interp);
86 
87  NekDouble* d = interp.data();
89  ::AllocateSharedPtr(numpoints, np, d);
90  }
91 
92  private:
93  boost::shared_ptr<NodalUtilTriangle> m_util;
94 
95  /// Deafult constructor should not be called except by Create matrix
97  {
98  }
99 
100  void CalculatePoints();
101  void CalculateWeights();
102  void CalculateDerivMatrix();
103  void NodalPointReorder2d();
107  Array<OneD, NekDouble> &interp);
108  }; // end of NodalTriEvenlySpaced
109  } // end of namespace
110 } // end of namespace
111 
112 #endif //NODALTRIEVENLYSPACED_H
static const PointsKey NullPointsKey(0, eNoPointsType)
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:198
General purpose memory allocation routines with the ability to allocate from thread specific memory p...
boost::shared_ptr< NodalUtilTriangle > m_util
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:250
#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:273
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.