0 Actual360
1 Actual360FixEd
2 ActualActual
3 ActualBusiness252
4 OneDayCounter
5 SimpleDayCounter
anything0 Following
1 ModifiedFollowing
2 Preceding
3 ModifiedPreceding
anything else UNadjusted
}0 Simple
1 Compounded
2 Continuous
3 SimpleThenCompounded
}-1 NoFrequency
0 Once
1 Annual
2 Semiannual
3 EveryFourthMonth
4 Quarterly
6 BiMonthtly
120 Backward
1 Forward
2 Zero
3 ThirdWednesday
4 Twentieth
anything else TwentiethIMM
QuantLib.