Re: [Quantlib-dev] SmileSection

[Luigi B. <lui...@gm...>]

On Tue, 2009-10-20 at 07:16 -0700, Chris Kenyon wrote:
> In fact why bother with Impl methods at all?  Why not just make
> volatility and variance virtual?  PIMPL is handy when the implementers
> can be changed (i.e. ptr to another class) but just calling another
> method doesn't really seem to qualify.  Just my musings.

In this case it's not pimpl, it's Template Method. I guess it was
written this way to mimic the other term structures, even if there's no
added functionality in this case (there could be, though---e.g., in
volatility() one could check the strike limits.)

Luigi


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