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fei_FillableMat.hpp
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00004 //             FEI: Finite Element Interface to Linear Solvers
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00042 
00043 
00044 #ifndef _fei_FillableMat_hpp_
00045 #define _fei_FillableMat_hpp_
00046 
00047 #include <fei_CSVec.hpp>
00048 #include <fei_Pool_alloc.hpp>
00049 #include <fei_EqnBuffer.hpp>
00050 #include <vector>
00051 #include <map>
00052 
00053 namespace fei {
00054 
00055 class FillableMat {
00056  public:
00057   FillableMat();
00058   FillableMat(EqnBuffer& eqnbuf);
00059   virtual ~FillableMat();
00060 
00061   FillableMat& operator=(const FillableMat& src);
00062 
00063   void setValues(double value);
00064 
00065   void createPosition(int row, int col);
00066 
00067   void sumInCoef(int row, int col, double coef);
00068   void putCoef(int row, int col, double coef);
00069 
00070   void sumInRow(int row, const int* cols, const double* coefs, unsigned len);
00071   void putRow(int row, const int* cols, const double* coefs, unsigned len);
00072 
00073   unsigned getNumRows() const;
00074 
00075   bool hasRow(int row) const;
00076 
00077   const CSVec* getRow(int row) const;
00078   CSVec* create_or_getRow(int row);
00079 
00080   typedef std::map<int, CSVec*, std::less<int>,
00081                 fei_Pool_alloc<std::pair<const int,CSVec*> > > feipoolmat;
00082 
00083   typedef feipoolmat::iterator iterator;
00084   typedef feipoolmat::const_iterator const_iterator;
00085 
00086   iterator begin() {return matdata_.begin();}
00087   iterator end() {return matdata_.end();}
00088 
00089   const_iterator begin() const {return matdata_.begin();}
00090   const_iterator end() const {return matdata_.end();}
00091 
00092   void clear();
00093 
00094   bool operator==(const FillableMat& rhs) const;
00095 
00096   bool operator!=(const FillableMat& rhs) const;
00097 
00098  private:
00099   feipoolmat matdata_;
00100   fei_Pool_alloc<CSVec> vecpool_;
00101 }; //class FillableMat
00102 
00104 void print(std::ostream& os, const FillableMat& mat);
00105 
00107 int count_nnz(const FillableMat& mat);
00108 
00110 void get_row_numbers(const FillableMat& mat, std::vector<int>& rows);
00111 
00112 }//namespace fei
00113 
00114 #endif
00115 
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