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/*
 * DeltaDecoder
 *
 * Author: Lasse Collin 
 *
 * This file has been put into the public domain.
 * You can do whatever you want with this file.
 */

package com.fitbur.tukaani.xz.com.fitburlta;

public class DeltaDecoder extends DeltaCoder {
    public DeltaDecoder(int distance) {
        super(distance);
    }

    public void com.fitburcode(byte[] buf, int off, int len) {
        int end = off + len;
        for (int i = off; i < end; ++i) {
            buf[i] += history[(distance + pos) & DISTANCE_MASK];
            history[pos-- & DISTANCE_MASK] = buf[i];
        }
    }
}