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4.20

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This commit is contained in:
Igor Pavlov
2005-05-30 00:00:00 +00:00
committed by Kornel Lesiński
parent 8c1b5c7b7e
commit 3c510ba80b
926 changed files with 40559 additions and 23519 deletions
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18
7zip/Compress/PPMD/PPMDEncode.h
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@@ -1,10 +1,8 @@
// PPMDEncode.h
// This code is based on Dmitry Shkarin's PPMdH code
#pragma once
#ifndef __COMPRESS_PPM_PPMD_ENCODE_H
#define __COMPRESS_PPM_PPMD_ENCODE_H
#ifndef __COMPRESS_PPMD_ENCODE_H
#define __COMPRESS_PPMD_ENCODE_H
#include "PPMDContext.h"
@@ -17,20 +15,20 @@ struct CEncodeInfo: public CInfo
void EncodeBinSymbol(int symbol, NRangeCoder::CEncoder *rangeEncoder)
{
PPM_CONTEXT::STATE& rs = MinContext->oneState();
WORD &bs = GetBinSumm(rs, MinContext->Suffix->NumStats);
UInt16 &bs = GetBinSumm(rs, MinContext->Suffix->NumStats);
if (rs.Symbol == symbol)
{
FoundState = &rs;
rs.Freq += (rs.Freq < 128);
rangeEncoder->EncodeBit(bs, TOT_BITS, 0);
bs += UINT16(INTERVAL-GET_MEAN(bs,PERIOD_BITS, 2));
bs += UInt16(INTERVAL-GET_MEAN(bs,PERIOD_BITS, 2));
PrevSuccess = 1;
RunLength++;
}
else
{
rangeEncoder->EncodeBit(bs, TOT_BITS, 1);
bs -= UINT16(GET_MEAN(bs,PERIOD_BITS, 2));
bs -= UInt16(GET_MEAN(bs,PERIOD_BITS, 2));
InitEsc = ExpEscape[bs >> 10];
NumMasked = 1;
CharMask[rs.Symbol] = EscCount;
@@ -76,7 +74,7 @@ struct CEncodeInfo: public CInfo
void EncodeSymbol2(int symbol, NRangeCoder::CEncoder *rangeEncoder)
{
int hiCnt, i = MinContext->NumStats - NumMasked;
UINT32 scale;
UInt32 scale;
SEE2_CONTEXT* psee2c = makeEscFreq2(i, scale);
PPM_CONTEXT::STATE* p = MinContext->Stats - 1;
hiCnt = 0;
@@ -98,8 +96,8 @@ struct CEncodeInfo: public CInfo
return;
SYMBOL_FOUND:
UINT32 highCount = hiCnt;
UINT32 lowCount = highCount - p->Freq;
UInt32 highCount = hiCnt;
UInt32 lowCount = highCount - p->Freq;
if ( --i )
{
PPM_CONTEXT::STATE* p1 = p;