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GlobalMatrix.h
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File: GlobalMatrix.h
4 //
5 // For more information, please see: http://www.nektar.info
6 //
7 // The MIT License
8 //
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).
12 //
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31 //
32 // Description: GlobalMatrix header
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 #ifndef NEKTAR_LIB_MULTIREGIONS_GLOBALMATRIX_H
36 #define NEKTAR_LIB_MULTIREGIONS_GLOBALMATRIX_H
40 
41 namespace Nektar
42 {
43  namespace MultiRegions
44  {
45 
46  /// Represents a matrix of all degrees of freedom.
48  {
49  public:
51  typedef boost::shared_ptr<DNekSmvBsrMat> DNekSmvBsrMatSharedPtr;
52 
53  /// Construct a new matrix.
56  unsigned int rows,
57  unsigned int columns,
58  const COOMatType &cooMat,
59  const MatrixStorage& matStorage = eFULL);
60 
62 
63 
64  /// Perform a matrix-vector multiply.
68 
69  MULTI_REGIONS_EXPORT const unsigned long GetMulCallsCounter() const;
70  MULTI_REGIONS_EXPORT const unsigned int GetNumNonZeroEntries() const;
71 
72  private:
73  /// Pointer to a double-precision Nektar++ sparse matrix.
74  DNekSmvBsrMatSharedPtr m_smvbsrmatrix;
75 
76  unsigned int m_rows;
79 
80  unsigned long m_mulCallsCounter;
81 
82  bool m_copyOp;
83 
84  static std::string def;
85  static std::string lookupIds[];
86  };
87 
88  /// Shared pointer to a GlobalMatrix object.
89  typedef boost::shared_ptr<GlobalMatrix> GlobalMatrixSharedPtr;
90  /// Mapping from global matrix keys to global matrices.
91  typedef map<GlobalMatrixKey,GlobalMatrixSharedPtr> GlobalMatrixMap;
92  /// Shared pointer to a global matrix map.
93  typedef boost::shared_ptr<GlobalMatrixMap> GlobalMatrixMapShPtr;
94 
95  } //end of namespace
96 } //end of namespace
97 
98 #endif
std::map< CoordType, NekDouble > COOMatType
Array< OneD, NekDouble > m_tmpout
Definition: GlobalMatrix.h:78
const unsigned int GetNumNonZeroEntries() const
#define MULTI_REGIONS_EXPORT
static std::string lookupIds[]
Definition: GlobalMatrix.h:85
const unsigned long GetMulCallsCounter() const
boost::shared_ptr< GlobalMatrix > GlobalMatrixSharedPtr
Shared pointer to a GlobalMatrix object.
Definition: GlobalMatrix.h:89
boost::shared_ptr< SessionReader > SessionReaderSharedPtr
Definition: MeshPartition.h:51
map< GlobalMatrixKey, GlobalMatrixSharedPtr > GlobalMatrixMap
Mapping from global matrix keys to global matrices.
Definition: GlobalMatrix.h:91
void Multiply(const Array< OneD, const NekDouble > &in, Array< OneD, NekDouble > &out)
Perform a matrix-vector multiply.
GlobalMatrix(const LibUtilities::SessionReaderSharedPtr &pSession, unsigned int rows, unsigned int columns, const COOMatType &cooMat, const MatrixStorage &matStorage=eFULL)
Construct a new matrix.
Represents a matrix of all degrees of freedom.
Definition: GlobalMatrix.h:47
Array< OneD, NekDouble > m_tmpin
Definition: GlobalMatrix.h:77
boost::shared_ptr< GlobalMatrixMap > GlobalMatrixMapShPtr
Shared pointer to a global matrix map.
Definition: GlobalMatrix.h:93
boost::shared_ptr< DNekSmvBsrMat > DNekSmvBsrMatSharedPtr
Definition: GlobalMatrix.h:51
NekSparseMatrix< StorageSmvBsr< NekDouble > > DNekSmvBsrMat
Definition: GlobalMatrix.h:50
DNekSmvBsrMatSharedPtr m_smvbsrmatrix
Pointer to a double-precision Nektar++ sparse matrix.
Definition: GlobalMatrix.h:74