Re: getting the set of reset dates of a float leg

Posted by Chak Jack Wong on
URL: http://quantlib.414.s1.nabble.com/RE-getting-the-set-of-reset-dates-of-a-f-loat-leg-tp2419p2423.html

Hi, I propose to add two functions to the FloatingRateCoupon.hpp, I wonder if people
agree on that

in floatingratecoupon.hpp

  //! the first date it looks up the discount curve when valuing the libor payment
            virtual Date fixingValueDate() const = 0;
            //! the end date it looks up the discount curve
            //! so that for a forward libor coupon, the discount at the
adjustedAccruedEndDate
            //! divided by the discount at the fixingValueDate minus one is the value
of the coupon
            virtual Date adjustedAccruedEndDate() const = 0;


and in parcoupon.hpp, we add



        inline Date ParCoupon::fixingValueDate() const
        {
            return index_->calendar().advance( fixingDate(), index_->settlementDays(),
Days);
        }

        inline Date ParCoupon::adjustedAccruedEndDate() const
        {
            Date temp = index_->calendar().advance(accrualEndDate_,-fixingDays_, Days);

            return index_->calendar().advance(temp, index_->settlementDays(), Days);
        }


This is useful in retrieving dates information for cashflow display and construction of
some other instruments.
Jack

Chak Jack Wong wrote:

> Thanks a lot Nicolas and Luigi, I will check out the CVS version.
> Jack
>
> Nicolas Di Césaré wrote:
>
> > En réponse à Chak Jack Wong <[hidden email]>:
> >
> > Hi all,
> >
> > The solution is in the cvs tree. Now, the FloatingRateCoupon contains a virtual
> > fixingDate() method. The use of Handle<FloatingRateCoupon> provides you
> > a fixing date.
> >
> > Nicolas
> >
> > > Hi, Perssin,
> > > Thanks a lot.  However, the accrual start date is not really the reset
> > > date
> > > the reset date is   calender.advance( accrualstartdate, -fixingdate,
> > > Days, Preceding )
> > > See FloatingReateCoupon::Amount()
> > >
> > >
> > > Jack
> > >
> > >
> > >
> > > Perissin Francesco wrote:
> > >
> > > >
> > > >
> > > > Hi Chak
> > > >
> > > > given that leg_ is a  std::vector<Handle<CashFlow> >
> > > > you could try:
> > > >
> > > >
> > > > std::vector<Handle<CashFlow> >::const_iterator begin, end;
> > > > begin = leg_.begin();
> > > > end   = leg_.end();
> > > > for (; begin != end; ++begin) {
> > > >         Handle<Coupon> coupon = *begin;
> > > >         QL_ENSURE(!coupon.isNull(), "not a coupon");
> > > >         Date payDate = coupon->date();
> > > >         Date cashFlowAccrualStartDate = coupon->accrualStartDate();
> > > > }
> > > >
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Chak Jack Wong [mailto:[hidden email]]
> > > > Sent: Thursday, February 20, 2003 2:31 PM
> > > > To: [hidden email]
> > > > Subject: [Quantlib-users] getting the set of reset dates of a float
> > > > leg
> > > >
> > > > Hi,
> > > > I have got some trouble of getting all the reset dates from a float
> > > > leg.
> > > >
> > > > From the FloatingRateCouponVector function, I can only get a vector<
> > > > handle< cashflow > > , from which I can get  paydates, but not the
> > > > reset
> > > > dates.  I can't get this from the floatratecoupon either.
> > > > What do I miss?
> > > > Jack
> > > >
> > > > --
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This is not an offer (or solicitation of an offer) to buy/sell the
securities/instruments mentioned or an official confirmation.  Morgan Stanley may deal
as principal in or own or act as market maker for securities/instruments mentioned or
may advise the issuers.  This may refer to a research analyst/research report. Unless
indicated, these views are the author's and may differ from those of Morgan Stanley
research or others in the Firm. We do not represent this is accurate or complete and we
may not update this.  Past performance is not indicative of future returns. For
additional information, research reports and important disclosures, contact me or see
https://secure.ms.com.  You should not use email to request, authorize or effect the
purchase or sale of any security or instrument, to send transfer instructions, or to
effect any other transactions.  We cannot guarantee that any such requests received via
email will be processed in a timely manner.  This communication is solely for the
addressee(s) and may contain confidential information.  We do not waive confidentiality
by mistransmission.  Contact me if you do not wish to receive these communications.  In
the UK, this communication is directed in the UK to those persons who are market
counterparties or intermediate customers (as defined in the UK Financial Services
Authority's rules).