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

Steven D'Aprano steve at pearwood.info
Thu Jan 15 01:18:18 CET 2015


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


More information about the Python-ideas mailing list