code: private boolean shouldDoInterpolation(boolean incrementIndexToInterpolate) {
  		for (int i = indexToInterpolate + 1; i < iterators.length; i++) {
  			if (timestamps[i] != 0L) {
  				if (incrementIndexToInterpolate) {
  					indexToInterpolate = i;
  				}
  				return true;
  			}
  		}
  		return false;
  	}
docs: Returns whether or not there are more values to interpolate by checking the timestamp internal buffer.
  @param incrementIndexToInterpolate Whether or not to also move the internal pointer
  
  @return true if there are more values to interpolate, false otherwise.