-1, agreed with Nathan Dunfield

Le mardi 20 octobre 2020 à 06:12:39 UTC+2, Nathan Dunfield a écrit :

> -1: I don't really care what RealField.__repr__ returns, but cast a token 
> no vote to object to the logical next move of breaking backwards 
> compatibility by changing the meaning of RealField and/or RR.  I see the 
> need for a "genuine real field", but it seems a lot simpler just to call it 
> something other than "RealField" and so not break a lot of existing users' 
> Sage code.
>
> Best,
>
> Nathan
>
> On Wednesday, October 14, 2020 at 1:28:08 AM UTC-5 vdelecroix wrote:
>
>> Dear all,
>>
>> I would like to discuss the patchbomb at
>>
>> https://trac.sagemath.org/ticket/24523
>>
>> The ticket hopes to change the string representation from
>> "Real Field with XX bits of precision" to "Real Floating-point
>> field with XX bits of precision".
>>
>> Rationale: it was quite unfortunate from the beginning that
>> RealField and ComplexField mean "floating-point arithmetic".
>> On the one hand, one would like to be able to work with the
>> (abstract) Parent modeling the real numbers (eg for coercions).
>> On the other hand, in the setting of computer algebra it is
>> very often much better to work with interval arithmetic or
>> balls rather than floating-point. The ticket is a small
>> step towards getting the genuine "RealField" standing for
>> the set of real numbers. See
>>
>> https://trac.sagemath.org/ticket/17713
>>
>> I think this deserves an agreement from other developers! Any
>> comment very welcome.
>>
>> Best
>> Vincent
>>
>>

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