Re: Using the GNU GMP Library for Bignums in Emacs

[Clément Pit-Claudel]

On 2018-04-22 14:04, Daniel Colascione wrote:
> On 04/22/2018 10:43 AM, Paul Eggert wrote:
>> Philipp Stephani wrote:
>>> integers are currently documented to use modular arithmetic (
>>
>> We'll need to change the documentation for modular arithmetic, since 
>> integers will no longer overflow.
> 
> Bugs will inevitably arise. One possibility is just dealing with them; 
> another might be to predicate bignum support on a lexical-binding-like flag.

Or we could make them different types: the usual operators on fixnums would 
return fixnums, and the usual operators on bignums would return bignums. Mixing 
both would always return a bignum.

The difficulty is whether we should change existing Emacs function to return 
bignums.

Clément.