Re: [boost] Infinite precision integer draft

From: Maarten Kronenburg (M.Kronenburg_at_[hidden])
Date: 2006-05-25 19:18:39

Jarrad,
About the sub integers I was a little
too easy, because my solution is not as
fast as extracting sub integers.
What you ask for is what substr is for strings.
Now I think this should be added for
performance reasons.
Regards, Maarten.

"Jarrad Waterloo" <jwaterloo_at_[hidden]> wrote in message
news:20060524184833.5667B14A8001_at_dqmail.dynamicquest.com...
> Here are my comments concerning Maarten's infinite precision integer
draft.
> I would not wait to submit this library to boost before these following
> features because people are in need of it now.
>
> 1) The ability to extract sub integers out of an integer such as the
integer
> at bit offset 3 and length of 4. This is especially helpful in the area of
> RFID where large unsigned integers are partitioned into smaller integers.
> 2) The ability to convert integer to bases other than base 10; any really
> from base 2-36
> 3) An implementation of a fixed sized stack version of the
> integer_allocator. This may be useful for performance when someone is not
> working with an infinite precision integer but a very large one such as
512
> or 1024 bits.
> 4) An unsigned version of the integer class that benefits from the higher
> performance of unsigned operations
>
>
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