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49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
// $Id: chebyshevAccelerator.h 962 2006-11-07 15:13:34Z privmane $
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#ifndef ___CHEBYSHEV_ACCELERATOR
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#define ___CHEBYSHEV_ACCELERATOR
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#include "pijAccelerator.h"
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#include "replacementModel.h"
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class chebyshevAccelerator : public pijAccelerator {
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public:
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explicit chebyshevAccelerator( replacementModel* pb,
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const int alphanetSize=20,
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const int totalNumOfCoef=60,
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const int usingNumberOfCoef=13,
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const MDOUBLE rightRange=0,const MDOUBLE leftRange=2);
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chebyshevAccelerator(const chebyshevAccelerator& other);
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const MDOUBLE Pij_t(const int i,const int j, const MDOUBLE d) const;
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const MDOUBLE dPij_dt(const int i,const int j, const MDOUBLE d) const;
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const MDOUBLE d2Pij_dt2(const int i,const int j, const MDOUBLE d) const;
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const MDOUBLE freq(const int i) const {return _pb->freq(i);}
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virtual pijAccelerator* clone() const { return new chebyshevAccelerator(*this); }
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virtual ~chebyshevAccelerator() {delete _pb;}
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virtual replacementModel* getReplacementModel() const {return (_pb);}
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virtual const int alphabetSize() const {return _pb->alphabetSize();}
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private:
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VVVdouble chebi_coff;//[N_ABC][N_ABC][NUMBER_OF_TOTAL_COFF+1];
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VVVdouble chebi_dervation_coff;//[N_ABC][N_ABC][NUMBER_OF_TOTAL_COFF+1];
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VVVdouble chebi_sec_dervation_coff;//[N_ABC][N_ABC][NUMBER_OF_TOTAL_COFF+1];
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const int _alphabetSize;
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const int _totalNumOfCoef;
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const int _usingNumberOfCoef;
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replacementModel* _pb;
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void chebft(Vdouble& c, int n, int from_aa, int to_aa);
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void chder(Vdouble &c, Vdouble &cder, int n);
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const MDOUBLE _rightRange;
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const MDOUBLE _leftRange;
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};
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// This is an accelerator of Pij(t) calculation, using a proximity to polynomial.
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#endif
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