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From: Dan Nuffer (dnuffer_at_[hidden])
Date: 2000-09-20 16:38:32

David Abrahams wrote:
> ----- Original Message -----
> From: "Paul Moore" <gustav_at_[hidden]>
> > I've been thinking about these classes for a long time, since I did the
> > rational class. I haven't got round to it because of (a) lack of time, and
> > (b) lack of certainty as to what the most efficient algorithms are. I have
> > Knuth's book, but it's quite hard going...
> If you do something less-than-optimal to start with we can always improve
> the implementation piecewise...
> -Dave

A few years ago I wrote a class like this. It acts like a signed
integer and the range is only limited to the amount of memory you have.
You can download it from:

I placed it into the public domain, and anyone is free to use it. If
there is interest, it could be cleaned up and submitted to boost. It
also needs some performance work, as I took the straightforward, easy to
code approach and didn't do any fancy algorithms.

--Dan Nuffer

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