[Python-ideas] Consider generalizing Decimal to support arbitrary radix

[Neil Girdhar]

Oh, and to answer your specific question, I want to change the way
arithmetic is done.  I want it to be done in a different radix.

On Wed, Feb 7, 2018 at 5:07 PM Neil Girdhar <mistersheik at gmail.com> wrote:

> I wanted to have something like a binary floating point number like
> 0.11011.  Ideally, it would be as simple as Decimal('0.11011', radix=2).
>
> Best,
>
> Neil
>
> On Wed, Feb 7, 2018 at 5:02 PM Chris Angelico <rosuav at gmail.com> wrote:
>
>> On Thu, Feb 8, 2018 at 8:49 AM, Neil Girdhar <mistersheik at gmail.com>
>> wrote:
>> > Arbitrary radix comes up every now and then and Decimal already has a
>> > radix() method.  It would be nice when initializing a Decimal object to
>> be
>> > able to specify an arbitrary radix>=2.
>> >
>>
>> The radix method always returns 10, because decimal.Decimal always
>> operates in base 10. Are you looking for a way to change the way
>> arithmetic is done, or are you looking for a way to construct a
>> Decimal from a string of digits and an arbitrary base (the way
>> int("...", x) does)?
>>
>> ChrisA
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