private void init(BusinessDayConvention?paymentConvention1, BusinessDayConvention?paymentConvention2)
{
Utils.QL_REQUIRE(nominal1_.Count == schedule1_.Count - 1, () =>
"nominal1 size (" + nominal1_.Count +
") does not match schedule1 size (" + schedule1_.size() + ")");
Utils.QL_REQUIRE(nominal2_.Count == schedule2_.Count - 1, () =>
"nominal2 size (" + nominal2_.Count + ") does not match schedule2 size ("
+ nominal2_.Count + ")");
Utils.QL_REQUIRE(gearing1_.Count == 0 || gearing1_.Count == nominal1_.Count, () =>
"nominal1 size (" + nominal1_.Count + ") does not match gearing1 size ("
+ gearing1_.Count + ")");
Utils.QL_REQUIRE(gearing2_.Count == 0 || gearing2_.Count == nominal2_.Count, () =>
"nominal2 size (" + nominal2_.Count + ") does not match gearing2 size ("
+ gearing2_.Count + ")");
Utils.QL_REQUIRE(cappedRate1_.Count == 0 || cappedRate1_.Count == nominal1_.Count, () =>
"nominal1 size (" + nominal1_.Count + ") does not match cappedRate1 size ("
+ cappedRate1_.Count + ")");
Utils.QL_REQUIRE(cappedRate2_.Count == 0 || cappedRate2_.Count == nominal2_.Count, () =>
"nominal2 size (" + nominal2_.Count + ") does not match cappedRate2 size ("
+ cappedRate2_.Count + ")");
Utils.QL_REQUIRE(flooredRate1_.Count == 0 || flooredRate1_.Count == nominal1_.Count, () =>
"nominal1 size (" + nominal1_.Count + ") does not match flooredRate1 size ("
+ flooredRate1_.Count + ")");
Utils.QL_REQUIRE(flooredRate2_.Count == 0 || flooredRate2_.Count == nominal2_.Count, () =>
"nominal2 size (" + nominal2_.Count + ") does not match flooredRate2 size ("
+ flooredRate2_.Count + ")");
if (paymentConvention1 != null)
{
paymentConvention1_ = paymentConvention1.Value;
}
else
{
paymentConvention1_ = schedule1_.businessDayConvention();
}
if (paymentConvention2 != null)
{
paymentConvention2_ = paymentConvention2.Value;
}
else
{
paymentConvention2_ = schedule2_.businessDayConvention();
}
if (gearing1_.Count == 0)
{
gearing1_ = new InitializedList <double>(nominal1_.Count, 1.0);
}
if (gearing2_.Count == 0)
{
gearing2_ = new InitializedList <double>(nominal2_.Count, 1.0);
}
if (spread1_.Count == 0)
{
spread1_ = new InitializedList <double>(nominal1_.Count, 0.0);
}
if (spread2_.Count == 0)
{
spread2_ = new InitializedList <double>(nominal2_.Count, 0.0);
}
if (cappedRate1_.Count == 0)
{
cappedRate1_ = new InitializedList <double?>(nominal1_.Count, null);
}
if (cappedRate2_.Count == 0)
{
cappedRate2_ = new InitializedList <double?>(nominal2_.Count, null);
}
if (flooredRate1_.Count == 0)
{
flooredRate1_ = new InitializedList <double?>(nominal1_.Count, null);
}
if (flooredRate2_.Count == 0)
{
flooredRate2_ = new InitializedList <double?>(nominal2_.Count, null);
}
bool isNull = cappedRate1_[0] == null;
for (int i = 0; i < cappedRate1_.Count; i++)
{
if (isNull)
{
Utils.QL_REQUIRE(cappedRate1_[i] == null, () =>
"cappedRate1 must be null for all or none entry (" + (i + 1)
+ "th is " + cappedRate1_[i] + ")");
}
else
{
Utils.QL_REQUIRE(cappedRate1_[i] != null, () =>
"cappedRate 1 must be null for all or none entry ("
+ "1st is " + cappedRate1_[0] + ")");
}
}
isNull = cappedRate2_[0] == null;
for (int i = 0; i < cappedRate2_.Count; i++)
{
if (isNull)
{
Utils.QL_REQUIRE(cappedRate2_[i] == null, () =>
"cappedRate2 must be null for all or none entry ("
+ (i + 1) + "th is " + cappedRate2_[i] + ")");
}
else
{
Utils.QL_REQUIRE(cappedRate2_[i] != null, () =>
"cappedRate2 must be null for all or none entry ("
+ "1st is " + cappedRate2_[0] + ")");
}
}
isNull = flooredRate1_[0] == null;
for (int i = 0; i < flooredRate1_.Count; i++)
{
if (isNull)
{
Utils.QL_REQUIRE(flooredRate1_[i] == null, () =>
"flooredRate1 must be null for all or none entry ("
+ (i + 1) + "th is " + flooredRate1_[i]
+ ")");
}
else
{
Utils.QL_REQUIRE(flooredRate1_[i] != null, () =>
"flooredRate 1 must be null for all or none entry ("
+ "1st is " + flooredRate1_[0] + ")");
}
}
isNull = flooredRate2_[0] == null;
for (int i = 0; i < flooredRate2_.Count; i++)
{
if (isNull)
{
Utils.QL_REQUIRE(flooredRate2_[i] == null, () =>
"flooredRate2 must be null for all or none entry ("
+ (i + 1) + "th is " + flooredRate2_[i]
+ ")");
}
else
{
Utils.QL_REQUIRE(flooredRate2_[i] != null, () =>
"flooredRate2 must be null for all or none entry ("
+ "1st is " + flooredRate2_[0] + ")");
}
}
// if the gearing is zero then the ibor / cms leg will be set up with
// fixed coupons which makes trouble here in this context. We therefore
// use a dirty trick and enforce the gearing to be non zero.
for (int i = 0; i < gearing1_.Count; i++)
{
if (Utils.close(gearing1_[i], 0.0))
{
gearing1_[i] = Const.QL_EPSILON;
}
}
for (int i = 0; i < gearing2_.Count; i++)
{
if (Utils.close(gearing2_[i], 0.0))
{
gearing2_[i] = Const.QL_EPSILON;
}
}
IborIndex ibor1 = index1_ as IborIndex;
IborIndex ibor2 = index2_ as IborIndex;
SwapIndex cms1 = index1_ as SwapIndex;
SwapIndex cms2 = index2_ as SwapIndex;
SwapSpreadIndex cmsspread1 = index1_ as SwapSpreadIndex;
SwapSpreadIndex cmsspread2 = index2_ as SwapSpreadIndex;
Utils.QL_REQUIRE(ibor1 != null || cms1 != null || cmsspread1 != null, () =>
"index1 must be ibor or cms or cms spread");
Utils.QL_REQUIRE(ibor2 != null || cms2 != null || cmsspread2 != null, () =>
"index2 must be ibor or cms");
if (ibor1 != null)
{
IborLeg leg = new IborLeg(schedule1_, ibor1);
leg = (IborLeg)leg.withPaymentDayCounter(dayCount1_)
.withSpreads(spread1_)
.withGearings(gearing1_)
.withPaymentAdjustment(paymentConvention1_)
.withNotionals(nominal1_);
if (cappedRate1_[0] != null)
{
leg = (IborLeg)leg.withCaps(cappedRate1_);
}
if (flooredRate1_[0] != null)
{
leg = (IborLeg)leg.withFloors(flooredRate1_);
}
legs_[0] = leg;
}
if (ibor2 != null)
{
IborLeg leg = new IborLeg(schedule2_, ibor2);
leg = (IborLeg)leg.withPaymentDayCounter(dayCount2_)
.withSpreads(spread2_)
.withGearings(gearing2_)
.withPaymentAdjustment(paymentConvention2_)
.withNotionals(nominal2_);
if (cappedRate2_[0] != null)
{
leg = (IborLeg)leg.withCaps(cappedRate2_);
}
if (flooredRate2_[0] != null)
{
leg = (IborLeg)leg.withFloors(flooredRate2_);
}
legs_[1] = leg;
}
if (cms1 != null)
{
CmsLeg leg = new CmsLeg(schedule1_, cms1);
leg = (CmsLeg)leg.withPaymentDayCounter(dayCount1_)
.withSpreads(spread1_)
.withGearings(gearing1_)
.withNotionals(nominal1_)
.withPaymentAdjustment(paymentConvention1_);
if (cappedRate1_[0] != null)
{
leg = (CmsLeg)leg.withCaps(cappedRate1_);
}
if (flooredRate1_[0] != null)
{
leg = (CmsLeg)leg.withFloors(flooredRate1_);
}
legs_[0] = leg;
}
if (cms2 != null)
{
CmsLeg leg = new CmsLeg(schedule2_, cms2);
leg = (CmsLeg)leg.withPaymentDayCounter(dayCount2_)
.withSpreads(spread2_)
.withGearings(gearing2_)
.withNotionals(nominal2_)
.withPaymentAdjustment(paymentConvention2_);
if (cappedRate2_[0] != null)
{
leg = (CmsLeg)leg.withCaps(cappedRate2_);
}
if (flooredRate2_[0] != null)
{
leg = (CmsLeg)leg.withFloors(flooredRate2_);
}
legs_[1] = leg;
}
if (cmsspread1 != null)
{
CmsSpreadLeg leg = new CmsSpreadLeg(schedule1_, cmsspread1);
leg = (CmsSpreadLeg)leg.withPaymentDayCounter(dayCount1_)
.withSpreads(spread1_)
.withGearings(gearing1_)
.withNotionals(nominal1_)
.withPaymentAdjustment(paymentConvention1_);
if (cappedRate1_[0] != null)
{
leg = (CmsSpreadLeg)leg.withCaps(cappedRate1_);
}
if (flooredRate1_[0] != null)
{
leg = (CmsSpreadLeg)leg.withFloors(flooredRate1_);
}
legs_[0] = leg;
}
if (cmsspread2 != null)
{
CmsSpreadLeg leg = new CmsSpreadLeg(schedule2_, cmsspread2);
leg = (CmsSpreadLeg)leg.withPaymentDayCounter(dayCount2_)
.withSpreads(spread2_)
.withGearings(gearing2_)
.withNotionals(nominal2_)
.withPaymentAdjustment(paymentConvention2_);
if (cappedRate2_[0] != null)
{
leg = (CmsSpreadLeg)leg.withCaps(cappedRate2_);
}
if (flooredRate2_[0] != null)
{
leg = (CmsSpreadLeg)leg.withFloors(flooredRate2_);
}
legs_[1] = leg;
}
if (intermediateCapitalExchange_)
{
for (int i = 0; i < legs_[0].Count - 1; i++)
{
double cap = nominal1_[i] - nominal1_[i + 1];
if (!Utils.close(cap, 0.0))
{
legs_[0].Insert(i + 1, new Redemption(cap, legs_[0][i].date()));
nominal1_.Insert(i + 1, nominal1_[i]);
i++;
}
}
for (int i = 0; i < legs_[1].Count - 1; i++)
{
double cap = nominal2_[i] - nominal2_[i + 1];
if (!Utils.close(cap, 0.0))
{
legs_[1].Insert(i + 1, new Redemption(cap, legs_[1][i].date()));
nominal2_.Insert(i + 1, nominal2_[i]);
i++;
}
}
}
if (finalCapitalExchange_)
{
legs_[0].Add(new Redemption(nominal1_.Last(), legs_[0].Last().date()));
nominal1_.Add(nominal1_.Last());
legs_[1].Add(new Redemption(nominal2_.Last(), legs_[1].Last().date()));
nominal2_.Add(nominal2_.Last());
}
foreach (var c in legs_[0])
{
c.registerWith(update);
}
foreach (var c in legs_[1])
{
c.registerWith(update);
}
switch (type_)
{
case VanillaSwap.Type.Payer:
payer_[0] = -1.0;
payer_[1] = +1.0;
break;
case VanillaSwap.Type.Receiver:
payer_[0] = +1.0;
payer_[1] = -1.0;
break;
default:
Utils.QL_FAIL("Unknown float float - swap type");
break;
}
}