BitModel.java

package SevenZip.Compression.RangeCoder;


public class BitModel
{

    public static final int kTopMask = ~((1 << 24) - 1);
	public static final int kNumBitModelTotalBits  = 11;
	public static final int kBitModelTotal = (1 << kNumBitModelTotalBits);

	int numMoveBits;

	int Prob;

	public BitModel(int num)  {
		numMoveBits = num;
	}
	/*
  public void UpdateModel(UInt32 symbol)
  {
    if (symbol == 0)
      Prob += (kBitModelTotal - Prob) >> numMoveBits;
    else
      Prob -= (Prob) >> numMoveBits;
  }
  	*/
  public void Init() { Prob = kBitModelTotal / 2; }

}