[Python-ideas] Suggestion: Extend integers to include iNaN
gadgetsteve at live.co.uk
Sun Sep 30 12:21:08 EDT 2018
On 30/09/2018 16:36, David Mertz wrote:
> On Sun, Sep 30, 2018 at 11:31 AM Steve Barnes <gadgetsteve at live.co.uk
> <mailto:gadgetsteve at live.co.uk>> wrote:
> No complex can be converted to float without accessing either the real
> or imag component.
> Sure. Not in Python 3.7. But mathematically, it seems really
> straightforward to say that Complex numbers that lie on the Real line
> (i.e. imaginary part is zero) map in an obvious way to Real numbers.
> I haven't done an inventory, but I'd guess most—but not all—other PLs do
> the same thing Python does.
Personally I agree that float(2.0+0j) should possibly be a valid value
(2.0) but there is the complication, as always, of how near zero is
zero. But that is a battle for another time.
Steve (Gadget) Barnes
Any opinions in this message are my personal opinions and do not reflect
those of my employer.
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