diff options
Diffstat (limited to 'src/com/github/junrar/unpack/ppm/SEE2Context.java')
| -rw-r--r-- | src/com/github/junrar/unpack/ppm/SEE2Context.java | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/src/com/github/junrar/unpack/ppm/SEE2Context.java b/src/com/github/junrar/unpack/ppm/SEE2Context.java deleted file mode 100644 index 1f42419..0000000 --- a/src/com/github/junrar/unpack/ppm/SEE2Context.java +++ /dev/null @@ -1,102 +0,0 @@ -/*
- * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
- * Original author: Edmund Wagner
- * Creation date: 31.05.2007
- *
- * Source: $HeadURL$
- * Last changed: $LastChangedDate$
- *
- * the unrar licence applies to all junrar source and binary distributions
- * you are not allowed to use this source to re-create the RAR compression algorithm
- *
- * Here some html entities which can be used for escaping javadoc tags:
- * "&": "&" or "&"
- * "<": "<" or "<"
- * ">": ">" or ">"
- * "@": "@"
- */
-package com.github.junrar.unpack.ppm;
-
-/**
- * DOCUMENT ME
- *
- * @author $LastChangedBy$
- * @version $LastChangedRevision$
- */
-public class SEE2Context {
- public static final int size = 4;
-
- // ushort Summ;
- private int summ;
-
- // byte Shift;
- private int shift;
-
- // byte Count;
- private int count;
-
- public void init(int initVal) {
- shift = (ModelPPM.PERIOD_BITS - 4)&0xff;
- summ = (initVal << shift)&0xffff;
- count = 4;
- }
-
- public int getMean() {
- int retVal = summ >>> shift;
- summ -= retVal;
- return retVal + ((retVal == 0) ? 1 : 0);
- }
-
- public void update() {
- if (shift < ModelPPM.PERIOD_BITS && --count == 0) {
- summ += summ;
- count = (3 << shift++);
- }
- summ &= 0xffff;
- count &= 0xff;
- shift &= 0xff;
- }
-
- public int getCount() {
- return count;
- }
-
- public void setCount(int count) {
- this.count = count&0xff;
- }
-
- public int getShift() {
- return shift;
- }
-
- public void setShift(int shift) {
- this.shift = shift&0xff;
- }
-
- public int getSumm() {
- return summ;
- }
-
- public void setSumm(int summ) {
- this.summ = summ&0xffff;
- }
-
- public void incSumm(int dSumm) {
- setSumm(getSumm() + dSumm);
- }
-
- public String toString() {
- StringBuilder buffer = new StringBuilder();
- buffer.append("SEE2Context[");
- buffer.append("\n size=");
- buffer.append(size);
- buffer.append("\n summ=");
- buffer.append(summ);
- buffer.append("\n shift=");
- buffer.append(shift);
- buffer.append("\n count=");
- buffer.append(count);
- buffer.append("\n]");
- return buffer.toString();
- }
-}
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