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From: Eric Niebler (eric_at_[hidden])
Date: 2008-01-31 11:15:45

Neal Becker wrote:
> Eric Niebler wrote:
>> Matthias Troyer wrote:
>>> On 30 Jan 2008, at 08:26, Neal Becker wrote:
>>>> I don't think that helps. How can I specify apriori the number of
>>>> bins and the min and max? AFAICT, the above would let me do this
>>>> by forcing in some fake data, that has the effect of filling the
>>>> cache and thus setting num_bins, min, max, but is has the side
>>>> effect of causing that data to effect the histogram - which is not
>>>> what I need.
>>>> Unless I misunderstand, we need another (simpler) class "histogram"
>>>> that implements just this simpler behavior. Perhaps density could
>>>> be build on top of it?
>>> It would indeed be nice to be able to explicitly specify the min and
>>> max for the bins and I guess that should not be too hard to do.
>>> Eric, what do you think?
>> Sounds reasonable. I'm super-busy at the moment getting proto ready for
>> its upcoming review. I can add this to the list, or someone (Neal?) can
>> submit a patch which I would gladly accept.
> I haven't gotten it working - I haven't learned about boost::parameter yet.
> Someone familiar with that could probably finish this quickly. Here is
> what I have so far:

I took Matthias' suggestion above to mean he thought the density
accumulator could be given additional "min" and "max" constructor
parameters, not that we need a whole new accumulator. Matthias, was that
what you were suggesting? I'd rather go that route.

Eric Niebler
Boost Consulting

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