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From: Jim Douglas (jim_at_[hidden])
Date: 2006-01-10 08:38:52

John Maddock wrote:
>>I have some simple stuff in the sandbox under the "stat" directory.
>>You can view its usage here:
> Otto: first off we really need something like this, in Boost and in the std
> as well IMO. It really galls me that my desktop calculator has more math
> functions than <cmath> has, and wait for it: my calculator is 25 years old
> !!!!!!!!

I would support the need for such a library as I have ended up writing
something similar to this for nearly every project I have undertaken.

> ...The advantage of the "make it an object" approach is that
> pretty much all stats you could want are accessible after a single pass over
> the data. More than that you can:
> * Pause at any time and read off the stats, and then continue adding more
> data if you want.

IMHO that is the right approach.

> * An extension of the above would be to make the stats object serialisable.
> * Two or more objects can be "added" together to obtain the stats for the
> combined data without reaccessing the original data: imagine a weather
> station gathering temperature data over time: hourly stats can be combined
> into daily or weekly stats without going back to the original data - which
> may be either discarded (unlikely) or stored in offline storage.

Just think of the uses for processing stats and network stats in high
reliability systems...

Can't wait :-)

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