On Dec 22, 2007, at 5:49 PM, na...@us... wrote:
> Revision: 13872
>
> http://quantlib.svn.sourceforge.net/quantlib/?rev=13872&view=rev
> Author: nando
> Date: 2007-12-22 08:49:11 -0800 (Sat, 22 Dec 2007)
>
> Log Message:
> -----------
> switched signatures to Natural instead of Integer and const Date&
> instead of Date
Nando,
in the function you modified, the Date was passed by value on purpose.
That way, it could be modified:
> Real CashFlows::npv(const Leg& cashflows,
> const InterestRate& irr,
> - Date settlementDate) {
> - if (settlementDate == Date())
> - settlementDate = Settings::instance().evaluationDate();
whereas if you pass it by const reference, you have to introduce an
additional object:
> + Date refDate = settlDate;
> + if (refDate == Date())
> + refDate = Settings::instance().evaluationDate();
Also, why "settlDate"? Looks less readable to me.
Merry Christmas,
Luigi
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