public void reset(){
  n_=0;
  combinedBufferItemCapacity_=Math.min(Util.MIN_BASE_BUF_SIZE,2 * k_);
  combinedBuffer_=new Object[combinedBufferItemCapacity_];
  baseBufferCount_=0;
  bitPattern_=0;
  minValue_=null;
  maxValue_=null;
}

public void reset ( ) { n_ = 0 ; combinedBufferItemCapacity_ = Math . min ( Util . MIN_BASE_BUF_SIZE , 2 * k_ ) ; combinedBuffer_ = new Object [ combinedBufferItemCapacity_ ] ; baseBufferCount_ = 0 ; bitPattern_ = 0 ; minValue_ = null ; maxValue_ = null ; }
resets this sketch to a virgin state , but retains the original value of k .
