public Encoder()
 {
     for (int i = 0; i < kNumOpts; i++)
         _optimum[i] = new Optimal();
     for (int i = 0; i < Base.kNumLenToPosStates; i++)
         _posSlotEncoder[i] = new BitTreeEncoder(Base.kNumPosSlotBits);
 }
 public LenEncoder()
 {
     for (UInt32 posState = 0; posState < Base.kNumPosStatesEncodingMax; posState++)
     {
         _lowCoder[posState] = new BitTreeEncoder(Base.kNumLowLenBits);
         _midCoder[posState] = new BitTreeEncoder(Base.kNumMidLenBits);
     }
 }