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

[Neil Girdhar]

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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