Extracting bit fields from an IEEE-784 float

Mark Lawrence breamoreboy at yahoo.co.uk
Mon Jul 30 10:50:04 EDT 2012


On 30/07/2012 15:16, Grant Edwards wrote:
> On 2012-07-30, Steven D'Aprano <steve+comp.lang.python at pearwood.info> wrote:
>
>> 1) Are there any known implementations or platforms where Python floats
>> are not C doubles? If so, what are they?
>
> And the question you didn't ask: are there any platforms where a C
> double isn't IEEE-754?
>
> The last ones I worked on that where the FP format wasn't IEEE were
> the DEC VAX and TI's line if 32-bit floating-point DSPs.  I don't
> think Python runs on the latter, but it might on the former.
>

Support for Python on VMS has been dropped for v3.3 see 
http://bugs.python.org/issue11918

-- 
Cheers.

Mark Lawrence.




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