/users/wolffm/guskov/Source/SparseMatrix.hh

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#ifndef SPARSEMATRIX_DEF
#define SPARSEMATRIX_DEF

//#include "Common.hh"

#include <map>
#include <vector>
#include <assert.h>


typedef std::map<unsigned int, double> Line;
typedef std::vector<Line*>             Matrix;


//class SparseMatrix;


class SparseMatrix
{
  private:
    
    unsigned int N;

    Matrix matrix;

  public:

    friend void mult( const SparseMatrix &A, const double *v, double *w );

    SparseMatrix() : N(0) {}

    SparseMatrix(const unsigned int n);
    
    ~SparseMatrix();

    unsigned int getSize() const
    { return N; }
  
    double& operator() (const unsigned int i, const unsigned int j);

};

void mult( const SparseMatrix &A, const double *v, double *w );




#endif

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