PPM_CONTEXT Struct Reference

Collaboration diagram for PPM_CONTEXT:

[legend]List of all members.

Public Member Functions
void	encodeBinSymbol (int symbol)
void	encodeSymbol1 (int symbol)
void	encodeSymbol2 (int symbol)
void	decodeBinSymbol ()
void	decodeSymbol1 ()
void	decodeSymbol2 ()
void	update1 (STATE *p)
void	update2 (STATE *p)
SEE2_CONTEXT *	makeEscFreq2 ()
void	rescale ()
void	refresh (int OldNU, BOOL Scale)
PPM_CONTEXT *	cutOff (int Order)
PPM_CONTEXT *	removeBinConts (int Order)
STATE &	oneState () const
Public Attributes
BYTE	NumStats
BYTE	Flags
WORD	SummFreq
PPM_CONTEXT::STATE *	Stats
PPM_CONTEXT *	Suffix
Classes
struct	STATE

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Member Function Documentation

PPM_CONTEXT * PPM_CONTEXT::cutOff (  int  Order  )

Definition at line 150 of file Model.cpp. References Flags, FreeUnits(), i, MaxOrder, MoveUnitsUp(), NULL, NumStats, O_BOUND, oneState(), p, P_CALL, PrefetchData(), refresh(), SpecialFreeUnit(), StateCpy(), Stats, PPM_CONTEXT::STATE::Successor, SummFreq, SWAP(), PPM_CONTEXT::STATE::Symbol, and UnitsStart. Referenced by RestoreModelRare().

void PPM_CONTEXT::decodeBinSymbol (   )  [inline]

Definition at line 458 of file Model.cpp. References ariGetCurrentShiftCount(), BIN_SCALE, BinSumm, CharMask, EscCount, ExpEscape, Flags, PPM_CONTEXT::STATE::Freq, GET_MEAN, SUBRANGE::HighCount, InitEsc, INTERVAL, SUBRANGE::LowCount, NS2BSIndx, NULL, NumMasked, NumStats, oneState(), PERIOD_BITS, PrevSuccess, QTable, RunLength, SubRange, Suffix, PPM_CONTEXT::STATE::Symbol, TOT_BITS, and WORD. Referenced by DecodeFile().

void PPM_CONTEXT::decodeSymbol1 (   )  [inline]

Definition at line 510 of file Model.cpp. References ariGetCurrentCount(), CharMask, EscCount, PPM_CONTEXT::STATE::Freq, SUBRANGE::HighCount, i, SUBRANGE::LowCount, MAX_FREQ, NULL, NumMasked, NumStats, p, PrefetchData(), PrevSuccess, rescale(), RunLength, SUBRANGE::scale, Stats, SubRange, Suffix, SummFreq, PPM_CONTEXT::STATE::Symbol, and update1(). Referenced by DecodeFile().

void PPM_CONTEXT::decodeSymbol2 (   )  [inline]

Definition at line 579 of file Model.cpp. References ariGetCurrentCount(), CharMask, EscCount, SUBRANGE::HighCount, i, SUBRANGE::LowCount, makeEscFreq2(), NumMasked, NumStats, p, SUBRANGE::scale, Stats, SubRange, SEE2_CONTEXT::Summ, PPM_CONTEXT::STATE::Symbol, SEE2_CONTEXT::update(), and update2(). Referenced by DecodeFile().

void PPM_CONTEXT::encodeBinSymbol (  int  symbol  )  [inline]

Definition at line 441 of file Model.cpp. References BIN_SCALE, BinSumm, CharMask, EscCount, ExpEscape, Flags, PPM_CONTEXT::STATE::Freq, GET_MEAN, SUBRANGE::HighCount, InitEsc, INTERVAL, SUBRANGE::LowCount, NS2BSIndx, NULL, NumMasked, NumStats, oneState(), PERIOD_BITS, PrevSuccess, QTable, RunLength, SubRange, Suffix, PPM_CONTEXT::STATE::Symbol, and WORD. Referenced by EncodeFile().

void PPM_CONTEXT::encodeSymbol1 (  int  symbol  )  [inline]

Definition at line 483 of file Model.cpp. References CharMask, EscCount, PPM_CONTEXT::STATE::Freq, SUBRANGE::HighCount, i, SUBRANGE::LowCount, MAX_FREQ, NULL, NumMasked, NumStats, p, PrefetchData(), PrevSuccess, rescale(), RunLength, SUBRANGE::scale, Stats, SubRange, Suffix, SummFreq, PPM_CONTEXT::STATE::Symbol, and update1(). Referenced by EncodeFile().

void PPM_CONTEXT::encodeSymbol2 (  int  symbol  )  [inline]

Definition at line 556 of file Model.cpp. References CharMask, EscCount, PPM_CONTEXT::STATE::Freq, SUBRANGE::HighCount, i, SUBRANGE::LowCount, makeEscFreq2(), NumMasked, NumStats, p, SUBRANGE::scale, Stats, SubRange, SEE2_CONTEXT::Summ, PPM_CONTEXT::STATE::Symbol, SEE2_CONTEXT::update(), and update2(). Referenced by EncodeFile().

SEE2_CONTEXT * PPM_CONTEXT::makeEscFreq2 (   )  [inline]

Definition at line 540 of file Model.cpp. References DummySEE2Cont, Flags, SEE2_CONTEXT::getMean(), NumMasked, NumStats, PrefetchData(), QTable, SUBRANGE::scale, SEE2Cont, Stats, SubRange, Suffix, SummFreq, and t. Referenced by decodeSymbol2(), and encodeSymbol2().

STATE& PPM_CONTEXT::oneState (   )  const [inline]

Definition at line 52 of file Model.cpp. References SummFreq. Referenced by CreateSuccessors(), cutOff(), decodeBinSymbol(), encodeBinSymbol(), ReduceOrder(), removeBinConts(), rescale(), RestoreModelRare(), and UpdateModel().

void PPM_CONTEXT::refresh (  int  OldNU, BOOL  Scale )

Definition at line 134 of file Model.cpp. References Flags, PPM_CONTEXT::STATE::Freq, i, NumStats, p, ShrinkUnits(), Stats, SummFreq, and PPM_CONTEXT::STATE::Symbol. Referenced by cutOff(), and RestoreModelRare().

PPM_CONTEXT * PPM_CONTEXT::removeBinConts (  int  Order  )

Definition at line 183 of file Model.cpp. References Flags, FreeUnits(), MaxOrder, NULL, NumStats, oneState(), p, P_CALL, PrefetchData(), Stats, PPM_CONTEXT::STATE::Successor, Suffix, and UnitsStart. Referenced by RestoreModelRare().

void PPM_CONTEXT::rescale (   )

Definition at line 279 of file Model.cpp. References Flags, FreeUnits(), PPM_CONTEXT::STATE::Freq, i, MAX_FREQ, MRM_FREEZE, MRMethod, NumStats, oneState(), OrderFall, p, ShrinkUnits(), StateCpy(), Stats, SummFreq, SWAP(), and PPM_CONTEXT::STATE::Symbol. Referenced by decodeSymbol1(), encodeSymbol1(), update1(), and update2().

void PPM_CONTEXT::update1 (  STATE *  p  )  [inline]

Definition at line 475 of file Model.cpp. References MAX_FREQ, rescale(), SummFreq, and SWAP(). Referenced by decodeSymbol1(), and encodeSymbol1().

void PPM_CONTEXT::update2 (  STATE *  p  )  [inline]

Definition at line 534 of file Model.cpp. References EscCount, PPM_CONTEXT::STATE::Freq, InitRL, MAX_FREQ, rescale(), RunLength, and SummFreq. Referenced by decodeSymbol2(), and encodeSymbol2().

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Member Data Documentation

BYTE PPM_CONTEXT::Flags

Definition at line 32 of file Model.cpp. Referenced by CreateSuccessors(), cutOff(), decodeBinSymbol(), encodeBinSymbol(), makeEscFreq2(), refresh(), removeBinConts(), rescale(), RestoreModelRare(), and UpdateModel().

BYTE PPM_CONTEXT::NumStats

Definition at line 32 of file Model.cpp. Referenced by CreateSuccessors(), cutOff(), decodeBinSymbol(), DecodeFile(), decodeSymbol1(), decodeSymbol2(), encodeBinSymbol(), EncodeFile(), encodeSymbol1(), encodeSymbol2(), makeEscFreq2(), ReduceOrder(), refresh(), removeBinConts(), rescale(), RestoreModelRare(), StartModelRare(), and UpdateModel().

struct PPM_CONTEXT::STATE * PPM_CONTEXT::Stats

Referenced by CreateSuccessors(), cutOff(), decodeSymbol1(), decodeSymbol2(), encodeSymbol1(), encodeSymbol2(), makeEscFreq2(), ReduceOrder(), refresh(), removeBinConts(), rescale(), RestoreModelRare(), StartModelRare(), and UpdateModel().

PPM_CONTEXT* PPM_CONTEXT::Suffix

Definition at line 38 of file Model.cpp. Referenced by CreateSuccessors(), decodeBinSymbol(), DecodeFile(), decodeSymbol1(), encodeBinSymbol(), EncodeFile(), encodeSymbol1(), makeEscFreq2(), ReduceOrder(), removeBinConts(), RestoreModelRare(), StartModelRare(), and UpdateModel().

WORD PPM_CONTEXT::SummFreq

Definition at line 33 of file Model.cpp. Referenced by CreateSuccessors(), cutOff(), decodeSymbol1(), encodeSymbol1(), makeEscFreq2(), oneState(), ReduceOrder(), refresh(), rescale(), RestoreModelRare(), StartModelRare(), update1(), update2(), and UpdateModel().

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The documentation for this struct was generated from the following file:

• noncore/apps/opie-reader/Model.cpp

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