4.634.63

1 files changed, 0 insertions, 142 deletions

diff --git a/CPP/7zip/Compress/PPMD/PPMDEncode.h b/CPP/7zip/Compress/PPMD/PPMDEncode.h
deleted file mode 100755
index 1e9d907c..00000000
--- a/CPP/7zip/Compress/PPMD/PPMDEncode.h
+++ /dev/null
@@ -1,142 +0,0 @@
-// PPMDEncode.h
-// This code is based on Dmitry Shkarin's PPMdH code
-
-#ifndef __COMPRESS_PPMD_ENCODE_H
-#define __COMPRESS_PPMD_ENCODE_H
-
-#include "PPMDContext.h"
-
-namespace NCompress {
-namespace NPPMD {
-
-struct CEncodeInfo: public CInfo
-{
-
-  void EncodeBinSymbol(int symbol, NRangeCoder::CEncoder *rangeEncoder)
-  {
-    PPM_CONTEXT::STATE& rs = MinContext->oneState();
-    UInt16 &bs = GetBinSumm(rs, GetContextNoCheck(MinContext->Suffix)->NumStats);
-    if (rs.Symbol == symbol)
-    {
-      FoundState = &rs;
-      rs.Freq = (Byte)(rs.Freq + (rs.Freq < 128 ? 1: 0));
-      rangeEncoder->EncodeBit(bs, TOT_BITS, 0);
-      bs = (UInt16)(bs + INTERVAL - GET_MEAN(bs, PERIOD_BITS, 2));
-      PrevSuccess = 1;
-      RunLength++;
-    }
-    else
-    {
-      rangeEncoder->EncodeBit(bs, TOT_BITS, 1);
-      bs = (UInt16)(bs - GET_MEAN(bs, PERIOD_BITS, 2));
-      InitEsc = ExpEscape[bs >> 10];
-      NumMasked = 1;
-      CharMask[rs.Symbol] = EscCount;
-      PrevSuccess = 0;
-      FoundState = NULL;
-    }
-  }
-
-  void EncodeSymbol1(int symbol, NRangeCoder::CEncoder *rangeEncoder)
-  {
-    PPM_CONTEXT::STATE* p = GetStateNoCheck(MinContext->Stats);
-    if (p->Symbol == symbol)
-    {
-      PrevSuccess = (2 * (p->Freq) > MinContext->SummFreq);
-      RunLength += PrevSuccess;
-      rangeEncoder->Encode(0, p->Freq, MinContext->SummFreq);
-      (FoundState = p)->Freq += 4;
-      MinContext->SummFreq += 4;
-      if (p->Freq > MAX_FREQ)
-        rescale();
-      return;
-    }
-    PrevSuccess = 0;
-    int LoCnt = p->Freq, i = MinContext->NumStats - 1;
-    while ((++p)->Symbol != symbol)
-    {
-      LoCnt += p->Freq;
-      if (--i == 0)
-      {
-        HiBitsFlag = HB2Flag[FoundState->Symbol];
-        CharMask[p->Symbol] = EscCount;
-        i=(NumMasked = MinContext->NumStats)-1;
-        FoundState = NULL;
-        do { CharMask[(--p)->Symbol] = EscCount; } while ( --i );
-        rangeEncoder->Encode(LoCnt, MinContext->SummFreq - LoCnt, MinContext->SummFreq);
-        return;
-      }
-    }
-    rangeEncoder->Encode(LoCnt, p->Freq, MinContext->SummFreq);
-    update1(p);
-  }
-
-  void EncodeSymbol2(int symbol, NRangeCoder::CEncoder *rangeEncoder)
-  {
-    int hiCnt, i = MinContext->NumStats - NumMasked;
-    UInt32 scale;
-    SEE2_CONTEXT* psee2c = makeEscFreq2(i, scale);
-    PPM_CONTEXT::STATE* p = GetStateNoCheck(MinContext->Stats) - 1;
-    hiCnt = 0;
-    do
-    {
-      do { p++; } while (CharMask[p->Symbol] == EscCount);
-      hiCnt += p->Freq;
-      if (p->Symbol == symbol)
-        goto SYMBOL_FOUND;
-      CharMask[p->Symbol] = EscCount;
-    }
-    while ( --i );
-    
-    rangeEncoder->Encode(hiCnt, scale, hiCnt + scale);
-    scale += hiCnt;
-    
-    psee2c->Summ = (UInt16)(psee2c->Summ + scale);
-    NumMasked = MinContext->NumStats;
-    return;
-SYMBOL_FOUND:
-    
-    UInt32 highCount = hiCnt;
-    UInt32 lowCount = highCount - p->Freq;
-    if ( --i )
-    {
-      PPM_CONTEXT::STATE* p1 = p;
-      do
-      {
-        do { p1++; } while (CharMask[p1->Symbol] == EscCount);
-        hiCnt += p1->Freq;
-      }
-      while ( --i );
-    }
-    // SubRange.scale += hiCnt;
-    scale += hiCnt;
-    rangeEncoder->Encode(lowCount, highCount - lowCount, scale);
-    psee2c->update();
-    update2(p);
-  }
-
-  void EncodeSymbol(int c, NRangeCoder::CEncoder *rangeEncoder)
-  {
-    if (MinContext->NumStats != 1)
-      EncodeSymbol1(c, rangeEncoder);
-    else
-      EncodeBinSymbol(c, rangeEncoder);
-    while ( !FoundState )
-    {
-      do
-      {
-        OrderFall++;
-        MinContext = GetContext(MinContext->Suffix);
-        if (MinContext == 0)
-          return; //  S_OK;
-      }
-      while (MinContext->NumStats == NumMasked);
-      EncodeSymbol2(c, rangeEncoder);
-    }
-    NextContext();
-  }
-
-};
-}}
-
-#endif