[Python-ideas] Floating point contexts in Python core
steve at pearwood.info
Thu Oct 11 03:30:13 CEST 2012
On 11/10/12 09:56, Alexander Belopolsky wrote:
> I gave this idea +float('inf') in the other thread and was thinking
> about it since. I am now toying with the idea to unify float and
>decimal in Python. IEEE combined their two FP standards in one
> recently, so we have a precedent for this.
> We can start by extending decimal to support radix 2 and once that
> code is mature enough and has accelerated code for platform formats
> (single, double, long double),
I don't want to be greedy, but supporting minifloats would be a real
boon to beginners trying to learn how floats work.
>we can replace Python float with the
> new fully platform independent IEEE 754 compliant implementation.
>We can even supply a legacy context to support some current warts.
This all sounds very exciting, but also like a huge amount of work.
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