// Wavelet Analysis Tool
//--------------------------------------------------------------------
// Implementation of 
// Bi-othogonal wavelet transforms using lifting scheme 
// References:
//   A.Cohen, I.Daubechies, J.Feauveau Bases of compactly supported wavelets
//   Comm. Pure. Appl. Math. 45, 485-560, 1992
//--------------------------------------------------------------------

//$Id: Biorthogonal.hh,v 0.2 2001/08/06 19:37:00 klimenko Exp $
#ifndef BIORTHOGONAL_HH
#define BIORTHOGONAL_HH

#include "WaveDWT.hh"

namespace datacondAPIwat {

template<class DataType_t>
class Biorthogonal : public WaveDWT<DataType_t>
{
   private:

      //: pointer to array of predict filter coefficients.
      double *hp;
      //: pointer to array of update filter coefficients.
      double *hu;

      void setFilter();

   public:
      
      //: construct from base class
      Biorthogonal(const Wavelet &);

      //: copy constructors
      Biorthogonal(const Biorthogonal<DataType_t> &);

      //: construct from wavelet parameters
      Biorthogonal(int order=4, int tree=0, enum BORDER border=B_CYCLE);

      //: destructor
      virtual ~Biorthogonal();

      //: Duplicate on heap
      virtual Biorthogonal* Clone() const;

      //: decomposition method
      void decompose(int level, int layer);
      //: reconstruction method      
      void reconstruct(int level, int layer);

}; // class Biorthogonal

}; // namespace datacondAPIwat

#endif // BIORTHOGONAL_HH