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SparseMatrixFwd.hpp
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File: SparseMatrixFwd.hpp
4 //
5 // For more information, please see: http://www.nektar.info
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7 // The MIT License
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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: common typedefs and forward declarations for sparse matrices
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NEKTAR_LIB_UTILITIES_LINEAR_ALGEBRA_SPARSE_MATRIX_FWD_HPP
37 #define NEKTAR_LIB_UTILITIES_LINEAR_ALGEBRA_SPARSE_MATRIX_FWD_HPP
38 
39 #include <map>
40 #include <vector>
41 #include <utility>
42 #include <fstream>
43 #include <boost/shared_ptr.hpp>
44 
46 #include <LibUtilities/BasicUtils/SharedArray.hpp> ///< \todo: forward declare
47 
48 
49 namespace Nektar
50 {
51  typedef unsigned int IndexType;
52 
53  typedef Array<OneD, IndexType> IndexVector;
54 
55  // Elemental COO: each entry is a nonzero number
56  typedef std::pair<IndexType, IndexType> CoordType;
58  typedef std::map<CoordType, NekDouble> COOMatType;
59  typedef COOMatType::const_iterator COOMatTypeConstIt;
60  typedef boost::shared_ptr<COOMatType> COOMatTypeSharedPtr;
61  typedef Array<OneD, COOMatType> COOMatVector;
62 
63  // Block COO (BCO): each entry is a dense submatrix (of same size)
64  typedef Array<OneD, NekDouble> BCOEntryType;
65  typedef std::map<CoordType, BCOEntryType > BCOMatType;
66  typedef BCOMatType::const_iterator BCOMatTypeConstIt;
67  typedef boost::shared_ptr<BCOMatType> BCOMatTypeSharedPtr;
68  typedef Array<OneD, BCOMatType> BCOMatVector;
69 
70 
71  template<typename DataType> class StorageSmvBsr;
72 
73  template<typename SparseStorageType> class NekSparseMatrix;
74  template<typename SparseStorageType> class NekSparseDiagBlkMatrix;
75 
76 
77 
78 }
79 
80 #endif //NEKTAR_LIB_UTILITIES_LINEAR_ALGEBRA_SPARSE_MATRIX_FWD_HPP