CPPLapack Code

//=============================================================================
//! Real Double-precision General Sparse Matrix Class
class dgsmatrix
{
private:
  //// objects ////
  long M; //!< matrix row size (NOT accessible)
  long N; //!< matrix column size (NOT accessible)
  long CAP; //!< the length of data arrays (NOT accessible)
  long VOL; //!< the number of non-zero components (NOT accessible)
  double* Array; //!< 1D array to store non-zero matrix data (NOT accessible)
  long* Indx; //!< 1D array to store the i-index of non-zero matrix components (NOT accessible)
  long* Jndx; //!< 1D array to store the j-index of non-zero matrix components (NOT accessible)
  std::vector< std::pair<long,long> >* Rows; //!< array of vector to store the entry information of component for each row
  std::vector< std::pair<long,long> >* Cols; //!< array of vector to store the entry information of component for each column
  
public:
  //// const references ////
  long const& m; //!< matrix row size (readable)
  long const& n; //!< matrix column size (readable)
  long const& cap; //!<  the length of data arrays (readable)
  long const& vol; //!< the number of non-zero components (readable)
  double* const& array; //!< 1D array to store matrix data (readable)
  long* const& indx; //!< 1D array to store the i-index of non-zero matrix components (readable)
  long* const& jndx; //!< 1D array to store the j-index of non-zero matrix components (readable)
  std::vector< std::pair<long,long> >* const& rows; //!< array of vector to store the entry information of component for each row (readable)
  std::vector< std::pair<long,long> >* const& cols; //!< array of vector to store the entry information of component for each column (readable)
  
  //// constructor ////
  inline dgsmatrix();
  inline dgsmatrix(const dgsmatrix&);
  inline dgsmatrix(const _dgsmatrix&);
  inline dgsmatrix(const long&, const long&, const long=0);
  inline dgsmatrix(const char*);
  inline ~dgsmatrix(); //destructor
  
  //// cast ////
  inline _zgsmatrix to_zgsmatrix() const;
  inline _dgematrix to_dgematrix() const;
  
  //// io ////
  inline double operator()(const long&, const long&) const;
  inline double& operator()(const long&, const long&);
  inline dgsmatrix& put(const long&, const long&, const double&);
  inline dgsmatrix& fput(const long&, const long&, const double&);
  inline dgsmatrix& del(const long, const long); //<-- NOT (const long&)
  inline dgsmatrix& fdel(const long); //<-- NOT (const long&)
  inline friend std::ostream& operator<<(std::ostream&, const dgsmatrix&);
  inline void write(const char *) const;
  inline void read(const char *);

  //// misc ////
  inline void clear();
  inline dgsmatrix& zero();
  inline void chsign();
  inline void copy(const dgsmatrix&);
  inline void shallow_copy(const _dgsmatrix&);
  inline void resize(const long&, const long&, const long=0);
  inline void stretch(const long&, const long&);
  inline void expand(const long&);
  inline bool isListed(const long&, const long&);
  inline long number(const long&, const long&);
  //inline void unique();
  inline void checkup();
  inline _drovector row(const long&) const;
  inline _dcovector col(const long&) const;
  inline friend void swap(dgsmatrix&, dgsmatrix&);
  inline friend _dgsmatrix _(dgsmatrix&);
  
  //// calc ////
  inline friend _dgsmatrix t(const dgsmatrix&);
  inline friend void idamax(long&, long&, const dgsmatrix&);
  inline friend double damax(const dgsmatrix&);
  
  //// unary ////
  inline friend const dgsmatrix& operator+(const dgsmatrix&);
  inline friend _dgsmatrix operator-(const dgsmatrix&);
  
  //// operators with dgsmatrix ////
  inline dgsmatrix& operator=(const dgsmatrix&);
  inline dgsmatrix& operator+=(const dgsmatrix&);
  inline dgsmatrix& operator-=(const dgsmatrix&);
  inline dgsmatrix& operator*=(const dgsmatrix&);
  
  //// operators with _dgsmatrix ////
  inline dgsmatrix& operator=(const _dgsmatrix&);
  inline dgsmatrix& operator+=(const _dgsmatrix&);
  inline dgsmatrix& operator-=(const _dgsmatrix&);
  inline dgsmatrix& operator*=(const _dgsmatrix&);

  //// operators with double ////
  inline dgsmatrix& operator*=(const double&);
  inline dgsmatrix& operator/=(const double&);

  //// + ////
  inline friend _dgematrix operator+(const  dgsmatrix&, const  dgematrix&);
  inline friend _dgematrix operator+(const  dgsmatrix&, const _dgematrix&);
  inline friend _dgematrix operator+(const  dgematrix&, const  dgsmatrix&);
  inline friend _dgematrix operator+(const _dgematrix&, const  dgsmatrix&);
  
  inline friend _dgematrix operator+(const  dgsmatrix&, const  dgbmatrix&);
  inline friend _dgematrix operator+(const  dgsmatrix&, const _dgbmatrix&);
  inline friend _dgematrix operator+(const  dgbmatrix&, const  dgsmatrix&);
  inline friend _dgematrix operator+(const _dgbmatrix&, const  dgsmatrix&);
  
  inline friend _dgematrix operator+(const  dgsmatrix&, const  dsymatrix&);
  inline friend _dgematrix operator+(const  dgsmatrix&, const _dsymatrix&);
  inline friend _dgematrix operator+(const  dsymatrix&, const  dgsmatrix&);
  inline friend _dgematrix operator+(const _dsymatrix&, const  dgsmatrix&);
  
  inline friend _dgsmatrix operator+(const  dgsmatrix&, const  dgsmatrix&);
  inline friend _dgsmatrix operator+(const  dgsmatrix&, const _dgsmatrix&);
  inline friend _dgsmatrix operator+(const _dgsmatrix&, const  dgsmatrix&);
  
  //// - ////
  inline friend _dgematrix operator-(const  dgsmatrix&, const  dgematrix&);
  inline friend _dgematrix operator-(const  dgsmatrix&, const _dgematrix&);
  inline friend _dgematrix operator-(const  dgematrix&, const  dgsmatrix&);
  inline friend _dgematrix operator-(const _dgematrix&, const  dgsmatrix&);
  
  inline friend _dgematrix operator-(const  dgsmatrix&, const  dgbmatrix&);
  inline friend _dgematrix operator-(const  dgsmatrix&, const _dgbmatrix&);
  inline friend _dgematrix operator-(const  dgbmatrix&, const  dgsmatrix&);
  inline friend _dgematrix operator-(const _dgbmatrix&, const  dgsmatrix&);
  
  inline friend _dgematrix operator-(const  dgsmatrix&, const  dsymatrix&);
  inline friend _dgematrix operator-(const  dgsmatrix&, const _dsymatrix&);
  inline friend _dgematrix operator-(const  dsymatrix&, const  dgsmatrix&);
  inline friend _dgematrix operator-(const _dsymatrix&, const  dgsmatrix&);
  
  inline friend _dgsmatrix operator-(const  dgsmatrix&, const  dgsmatrix&);
  inline friend _dgsmatrix operator-(const  dgsmatrix&, const _dgsmatrix&);
  inline friend _dgsmatrix operator-(const _dgsmatrix&, const  dgsmatrix&);
  
  //// * ////
  inline friend _dgematrix operator*(const  dgsmatrix&, const  dgematrix&);
  inline friend _dgematrix operator*(const  dgsmatrix&, const _dgematrix&);  
  inline friend _dgematrix operator*(const  dgematrix&, const  dgsmatrix&);
  inline friend _dgematrix operator*(const _dgematrix&, const  dgsmatrix&);
  
  inline friend _dgematrix operator*(const  dgsmatrix&, const  dgbmatrix&);
  inline friend _dgematrix operator*(const  dgsmatrix&, const _dgbmatrix&);  
  inline friend _dgematrix operator*(const  dgbmatrix&, const  dgsmatrix&);
  inline friend _dgematrix operator*(const _dgbmatrix&, const  dgsmatrix&);
  
  inline friend _dgematrix operator*(const  dsymatrix&, const  dgsmatrix&);
  inline friend _dgematrix operator*(const _dsymatrix&, const  dgsmatrix&);
  inline friend _dgematrix operator*(const  dgsmatrix&, const  dsymatrix&);
  inline friend _dgematrix operator*(const  dgsmatrix&, const _dsymatrix&);

  inline friend _dgsmatrix operator*(const  dgsmatrix&, const  dgsmatrix&);
  inline friend _dgsmatrix operator*(const  dgsmatrix&, const _dgsmatrix&);
  inline friend _dgsmatrix operator*(const _dgsmatrix&, const  dgsmatrix&);
  
  inline friend _dcovector operator*(const  dgsmatrix&, const  dcovector&);
  inline friend _dcovector operator*(const  dgsmatrix&, const _dcovector&);
  
  inline friend _drovector operator*(const  drovector&, const  dgsmatrix&);
  inline friend _drovector operator*(const _drovector&, const  dgsmatrix&);
  
  inline friend _dgsmatrix operator*(const  dgsmatrix&, const     double&);
  inline friend _dgsmatrix operator*(const     double&, const  dgsmatrix&);
  
  //// / ////
  inline friend _dgsmatrix operator/(const  dgsmatrix&, const     double&);

  //// friend classes ////
  friend class  dgematrix;
  friend class _dgematrix;
  friend class  dgbmatrix;
  friend class _dgbmatrix;
  friend class  dsymatrix;
  friend class _dsymatrix;
  friend class _dgsmatrix;
  friend class  dcovector;
  friend class _dcovector;
  friend class  drovector;
  friend class _drovector;
};