Re: [boost] accumulators::histogram

From: Neal Becker (ndbecker2_at_[hidden])
Date: 2008-01-30 19:40:48

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: