Re: [Caml-list] Arbitrary precision unsigned integers

[Thomas Braibant <thomas.braibant@gmail.com>]

Thanks for the quick reply. I guess I will do exactly that and release
the wrapper library.


On Tue, May 20, 2014 at 4:29 PM, Xavier Leroy <Xavier.Leroy@inria.fr> wrote:
> Hi Thomas,
>
> In a pinch, you can use Zarith and follow each arithmetic operation by a
> Z.extract or Z.signed_extract operation to normalize the result to the
> desired range (N-bit unsigned or N-bit signed).  It's not as fast as it
> could be, but should be reasonably efficient.
>
> - Xavier Leroy
>
>
>
> 2014-05-20 17:18 GMT+02:00 Thomas Braibant <thomas.braibant@gmail.com>:
>>
>> Hi list,
>>
>>
>> I wonder if there is a publicly available library that implements
>> arbitrary precision (un)signed integers. I could not find anything
>> relevant with Google, nor on Opam.
>>
>> By arbitrary, I mean that I want to implement e.g., 43 bits unsigned
>> arithmetic, and have the right overflow behaviors. I know of zarith
>> which seems to implement arbitrary precision in the sense that the
>> precision of the numbers grows as needed.
>>
>> Best,
>> Thomas
>>
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>