On 30/09/2018 16:36, David Mertz wrote: > On Sun, Sep 30, 2018 at 11:31 AM Steve Barnes <gadgetst...@live.co.uk > <mailto:gadgetst...@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. --- This email has been checked for viruses by AVG. https://www.avg.com _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
