Eike Rathke:
> Currently we have a DURATION defined as
>
> DURATION( Number rate ; Number currentValue ; Number desiredValue )
>
> This probably because OOo for some legacy reason had implemented it for
> compatibility with whatever application. However, OOo also defines
>
> DURATION_ADD( Number Settlement ; Number Maturity ; Number Coupon ; Number Yield ; Number Frequency [ ; Integer Basis = 0 ] )
>
> which btw is also used to compute MDURATION. Gnumeric has DURATION with
> those 5+1 parameters and additionally has a function G_DURATION with
> 3 parameters same as OOo's DURATION.
Excel has 5+1 parameters too.
> I propose to rename the spec's current DURATION to LEGACY.DURATION and
> add DURATION with 5 parameters.
I agree with the rename and addition of the 5+1 parameter DURATION. In the words of Capt. Picard, please "make it so"!
Instead of "LEGACY.DURATION", though, can we find a better name? SIMPLE_DURATION or some such? Anybody have a suggestion?
--- David A. Wheeler
