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fei_CSRMat.hpp
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00004 //             FEI: Finite Element Interface to Linear Solvers
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00041 */
00042 
00043 #ifndef _fei_CSRMat_hpp_
00044 #define _fei_CSRMat_hpp_
00045 
00046 
00047 #include "fei_macros.hpp"
00048 #include "fei_FillableMat.hpp"
00049 #include "fei_SparseRowGraph.hpp"
00050 #include "fei_CSVec.hpp"
00051 
00052 namespace fei {
00053 
00056 class CSRMat {
00057  public:
00058   CSRMat();
00059   CSRMat(const FillableMat& fmat);
00060   virtual ~CSRMat();
00061 
00062   SparseRowGraph& getGraph() {return srg_;}
00063   const SparseRowGraph& getGraph() const {return srg_;}
00064  
00065   std::vector<double>& getPackedCoefs() {return packedcoefs_;}
00066   const std::vector<double>& getPackedCoefs() const {return packedcoefs_;}
00067 
00068   unsigned getNumRows() const {return srg_.rowNumbers.size();}
00069 
00070   CSRMat& operator=(const FillableMat& src);
00071 
00072   CSRMat& operator+=(const CSRMat& src);
00073 
00074   bool operator==(const CSRMat& rhs) const;
00075 
00076   bool operator!=(const CSRMat& rhs) const;
00077 
00078  private:
00079   SparseRowGraph srg_;
00080   std::vector<double> packedcoefs_;
00081 };//class CSRMat
00082 
00084 void multiply_CSRMat_CSVec(const CSRMat& A, const CSVec& x, CSVec& y);
00085 
00087 void multiply_trans_CSRMat_CSVec(const CSRMat& A, const CSVec& x, CSVec& y);
00088 
00090 void multiply_CSRMat_CSRMat(const CSRMat& A, const CSRMat& B, CSRMat& C,
00091                             bool storeResultZeros=false);
00092 
00094 void multiply_trans_CSRMat_CSRMat(const CSRMat& A, const CSRMat& B, CSRMat& C,
00095                                   bool storeResultZeros=false);
00096 
00097 void add_CSRMat_to_FillableMat(const CSRMat& csrm, FillableMat& fm);
00098 
00099 }//namespace fei
00100 
00101 #endif
00102 
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