[Python-ideas] Way to check for floating point "closeness"?

[Neil Girdhar]

There's already float16, float32, float64, and float128 in numpy.  That 
would be the best place to add float8 if you want it.

Best,
Neil

On Wednesday, January 14, 2015 at 7:19:01 PM UTC-5, Steven D'Aprano wrote:
>
> On Wed, Jan 14, 2015 at 02:44:27AM -0800, Andrew Barnert wrote: 
>
> > I think your confusion here is entirely my fault. For simplicity, it's 
> > often helpful to look at tiny float representations--e.g., a 4-bit 
> > float with 1 sign bit, 1 mantissa bit, and 2 exponent bits (that, if 
> > both 1, mean inf/nan), 
>
> Since this is python-ideas, how about a minifloat type? 
>
> I think a 4-bit float is a bit *too* mini, 8-bit sounds about right. 
>
>
> (I know, I know, it should be a third-party library, not a built-in :-) 
>
>
> -- 
> Steven 
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