static int computeRetainedItems(final int k, final long n) {
    final int bbCnt = computeBaseBufferItems(k, n);
    final long bitPattern = computeBitPattern(k, n);
    final int validLevels = computeValidLevels(bitPattern);
    return bbCnt + (validLevels * k);
  }
static int computeRetainedItems ( final int k , final long n ) { final int bbCnt = computeBaseBufferItems ( k , n ) ; final long bitPattern = computeBitPattern ( k , n ) ; final int validLevels = computeValidLevels ( bitPattern ) ; return bbCnt + ( validLevels * k ) ; }
Returns the number of retained valid items in the sketch given k and n.
@param k the given configured k of the sketch
@param n the current number of items seen by the sketch
@return the number of retained items in the sketch given k and n.