docs: @Override
  	public double getPaymentOffset(double fixingTime) {
  		LocalDate fixingDate		= getDateFromModelTime(fixingTime);
  		LocalDate paymentDate		= paymentBusinessdayCalendar.getAdjustedDate(fixingDate, paymentOffsetCode, paymentDateRollConvention);
  		double paymentTime = FloatingpointDate.getFloatingPointDateFromDate(getReferenceDate(), paymentDate);
  		return paymentTime-fixingTime;
  	}