public MortgageCalculatorController(IntPtr handle)
: base(handle)
{
this.calc = new MortgageCalculator ();
this.calc.Interest = 4.5f / 12f;
this.calc.Periods = 30 * 12;
}
public MortgageFunctions(IMortgageCalculator mortgageCalculator)
{
if (mortgageCalculator == null)
{
throw new ArgumentNullException(nameof(mortgageCalculator));
}
this.mortgageCalculator = mortgageCalculator;
}
public Loan(Date startDate,
Date maturityDate,
Date firstPaymentDate,
double notional,
int numOfPayment,
IDayCount dayCount,
Frequency frequency,
double coupon,
Date resetDate,
bool isFloatingRate,
IndexType indexType,
double floatingRateMultiplier,
AmortizationType amortizationType,
CurrencyCode currency = CurrencyCode.CNY,
IMortgageCalculator mortgageCalculator = null,
double taxRate = 0.0
)
{
StartDate = startDate;
UnderlyingMaturityDate = maturityDate;
FirstPaymentDate = firstPaymentDate;
NumOfPayment = numOfPayment;
Notional = notional;
DayCount = dayCount;
Frequency = frequency;
Coupon = coupon;
TaxRate = taxRate;
ResetDate = resetDate;
IsFloatingRate = isFloatingRate;
IndexType = indexType;
FloatingRateMultiplier = floatingRateMultiplier;
Currency = currency;
_implicitAccStartDate = Frequency.GetTerm().Prev(FirstPaymentDate);
AmortizationType = amortizationType;
MortgageCalculator = mortgageCalculator ?? new SimpleMortgageCalculator(new Psa(), new Sda());
Accruals = new Schedule(_implicitAccStartDate, UnderlyingMaturityDate, Frequency.GetTerm(), Stub.ShortEnd).ToArray();
_numPastPayment = NumOfPayment - (Accruals.Length - 1);
}
public Bond(
string id,
Date startDate,
Date maturityDate,
double notional,
CurrencyCode currency,
ICoupon coupon,
ICalendar calendar,
Frequency paymentFreq,
Stub stub,
IDayCount accrualDayCount,
IDayCount paymentDayCount,
BusinessDayConvention accrualBizDayRule,
BusinessDayConvention paymentBizDayRule,
DayGap settlementGap,
TradingMarket bondTradingMarket,
bool stickToEom = false,
IRedemption redemption = null,
Date firstPaymentDate = null,
bool isZeroCouponBond = false,
double issuePrice = double.NaN,
double issueRate = double.NaN,
AmortizationType amortionType = AmortizationType.None,
Dictionary <Date, double> amortizationInDates = null,
Dictionary <int, double> amortizationInIndex = null,
bool renormalizeAfterAmoritzation = false,
Dictionary <int, double> stepWiseCompensationRate = null,
Dictionary <string, double> optionToCall = null,
Dictionary <string, double> optionToPut = null,
Dictionary <string, double> optionToAssPut = null,
double settlementCoupon = double.NaN,
bool roundCleanPrice = false
)
{
Id = id;
StartDate = startDate;
UnderlyingMaturityDate = maturityDate;
Notional = notional;
Currency = currency;
Coupon = coupon;
Calendar = calendar;
PaymentFreq = paymentFreq;
Stub = stub;
AccrualDayCount = accrualDayCount;
PaymentDayCount = paymentDayCount;
AccrualBizDayRule = accrualBizDayRule;
PaymentBizDayRule = paymentBizDayRule;
SettlmentGap = settlementGap;
_settlementCoupon = settlementCoupon;
BondTradeingMarket = bondTradingMarket;
FirstPaymentDate = firstPaymentDate;
IsZeroCouponBond = isZeroCouponBond;
IssuePrice = issuePrice;
IssueRate = issueRate;
StickToEom = stickToEom;
StepWiseCompensationRate = stepWiseCompensationRate;
RoundCleanPrice = roundCleanPrice;
OptionToCall = optionToCall;
OptionToPut = optionToPut;
OptionToAssPut = optionToAssPut;
Tenor = string.Format("{0},{1}", (int)(UnderlyingMaturityDate - StartDate), "D");
IrregularPayment = false;
if (Coupon is CustomizedCoupon)
{
}
else
{
List <Date> tmpDate;
if (FirstPaymentDate == null)
{
var schedule = new Schedule(StartDate, UnderlyingMaturityDate, PaymentFreq.GetTerm(), Stub, Calendar,
AccrualBizDayRule);
tmpDate = schedule.ToList();
_isRegualDate = schedule.IsRegular;
}
else
{
var schedule = new Schedule(FirstPaymentDate, UnderlyingMaturityDate, PaymentFreq.GetTerm(), Stub, Calendar, AccrualBizDayRule);
var regAccruals = schedule.ToList();
tmpDate = new List <Date> {
StartDate
};
tmpDate.AddRange(regAccruals);
IrregularPayment = false;
_isRegualDate = new List <bool> {
IrregularPayment
};
_isRegualDate.AddRange(schedule.IsRegular);
}
if (tmpDate.Count > 2)
{
if (PaymentBizDayRule.Adjust(calendar, tmpDate[tmpDate.Count - 2]).Equals(tmpDate.Last()))
{
tmpDate.RemoveAt(tmpDate.Count - 2);
_isRegualDate.RemoveAt(_isRegualDate.Count - 2);
}
}
Accruals = new Schedule(tmpDate);
if (FirstPaymentDate == null)
{
PaymentSchedule =
new Schedule(
new Schedule(StartDate, UnderlyingMaturityDate, PaymentFreq.GetTerm(), Stub, Calendar, PaymentBizDayRule).Skip(1));
}
else
{
PaymentSchedule =
new Schedule(
new Schedule(FirstPaymentDate, UnderlyingMaturityDate, PaymentFreq.GetTerm(), Stub, Calendar, PaymentBizDayRule));
}
}
if (Accruals.Count() != PaymentSchedule.Count() + 1)
{
throw new PricingLibraryException("Bond's number of accrual periods do not match number of payments");
}
AmortizationType = amortionType;
AmortizationInDates = amortizationInDates;
AmortizationInIndex = amortizationInIndex;
RenormalizeAfterAmoritzation = renormalizeAfterAmoritzation;
IAmortization amortization;
if (AmortizationInDates != null)
{
amortization = new Amortization(amortizationInDates, RenormalizeAfterAmoritzation);
}
else if (AmortizationInIndex != null)
{
amortization = new Amortization(ToAmortizationSchedule(PaymentSchedule.ToArray(), AmortizationInIndex), RenormalizeAfterAmoritzation);
}
else
{
//EqualPrincipal or EqualPrincipalAndInterest will be calculated later
amortization = new Amortization();
}
Amoritzation = amortization;
_mortgageCalculator = new MortgageCalculator(new Psa(0.0), new Sda(0.0));
Redemption = redemption ?? new Redemption(1.0, RedemptionType.None);
//Redemption = redemption ?? new Redemption(1.0, PriceQuoteType.Clean);
if (PaymentFreq == Frequency.None)
{
IrregularPayment = true;
}
else
{
for (var i = 0; i < Accruals.Count() - 1; ++i)
{
if (PaymentFreq.GetTerm().Next(Accruals.ToArray()[i]) != Accruals.ToArray()[i + 1])
{
IrregularPayment = false;
break;
}
}
}
_compensationRate = Accruals.Skip(1).Select(x => 0.0).ToArray();
if (stepWiseCompensationRate != null)
{
var compensationCoupons = new List <double>();
var arr = StepWiseCompensationRate.OrderBy(x => x.Key).Select(x => Tuple.Create(x.Key, x.Value)).ToArray();
for (var i = 0; i < Accruals.Count() - 1; ++i)
{
compensationCoupons.Add(i > 0 ? compensationCoupons[i - 1] : 0.0);
var updateCoupon = arr.FirstOrDefault(x => x.Item1 == (i + 1));
var compensationCoupon = updateCoupon != null ? updateCoupon.Item2 : 0.0;
compensationCoupons[i] += compensationCoupon;
}
_compensationRate = compensationCoupons.ToArray();
}
}
public MortgageCalculatorController(IntPtr handle) : base(handle)
{
this.calc = new MortgageCalculator();
this.calc.Interest = 4.5f / 12f;
this.calc.Periods = 30 * 12;
}
public AmortizationHandler(IMortgageCalculator calculator)
{
_calculator = calculator;
}