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GlobalMatrixKey.h
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File GlobalMatrixKey.h
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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: Headers for GlobalMatrixKey
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NEKTAR_LIBS_MULTIREGIONS_GLOBALMATRIXKEY_H
37 #define NEKTAR_LIBS_MULTIREGIONS_GLOBALMATRIXKEY_H
38 
41 
42 namespace Nektar
43 {
44  namespace MultiRegions
45  {
46 
47  /// Describes a matrix with ordering defined by a local to global map.
49  {
50  public:
52  const AssemblyMapSharedPtr &locToGloMap
56 
57  /// Copy constructor with change in expansion type
58  GlobalMatrixKey(const GlobalMatrixKey &key,
59  const LibUtilities::ShapeType shapeType);
60  /// Copy constructor.
61  MULTI_REGIONS_EXPORT GlobalMatrixKey(const GlobalMatrixKey &key);
62 
63  /// Destructor
65 
66  /// Provides ordering of GlobalMatrixKey objects.
67  MULTI_REGIONS_EXPORT friend bool operator<(const GlobalMatrixKey &lhs,
68  const GlobalMatrixKey &rhs);
69 
70  /// Return the matrix type.
72  /// Return the expansion type associated with key
74  /// Returns true if a local to global map is defined.
76  /// Returns the number of constants defined for this matrix.
78  /// Returns the requested constant.
80  /// Returns all the constants.
82 
84 
85  MULTI_REGIONS_EXPORT const Array<OneD, const NekDouble> & GetVarCoeff(const StdRegions::VarCoeffType& coeff) const;
87 
88  protected:
89  /// Default constructor.
91 
92  /// Stores the matrix type based on the enum StdRegions::MatrixType.
94 
95  /// Stores the expansion/shape type that the matrix is to
96  /// be based on
98 
101 
102  /// Pointer to the local to global mapping.
104 
105  private:
106 
107  };
108 
109  /// Writes statistics about the matrix key to an output stream.
110  MULTI_REGIONS_EXPORT std::ostream& operator<<(std::ostream& os, const GlobalMatrixKey& rhs);
111 
112  /// A pointer to a GlobalMatrixKey.
113  typedef boost::shared_ptr<GlobalMatrixKey> GlobalMatrixKeySharedPtr;
114 
117  {
118  return m_matrixType;
119  }
120 
123  {
124  return m_shapeType;
125  }
126 
128  {
129  if( m_locToGloMap.get() == 0) //NullAssemblyMapSharedPtr)
130  {
131  return false;
132  }
133 
134  return true;
135  }
136 
138  {
139  return m_constFactors.size();
140  }
141 
142  /// @Todo error checking
144  {
145  StdRegions::ConstFactorMap::const_iterator found = m_constFactors.find(factor);
146  return (*found).second;
147  }
148 
149  inline const StdRegions::ConstFactorMap&
151  {
152  return m_constFactors;
153  }
154 
156  {
157  return m_varCoeffs.size();
158  }
159 
160  inline const Array<OneD, const NekDouble> & GlobalMatrixKey::GetVarCoeff(const StdRegions::VarCoeffType &coeff) const
161  {
162  StdRegions::VarCoeffMap::const_iterator found = m_varCoeffs.find(coeff);
163  return (*found).second;
164  }
165 
167  {
168  return m_varCoeffs;
169  }
170  }
171 }
172 
173 #endif