Is nan in (nan,) correct?

[Grant Edwards]

On 2015-03-06, Chris Angelico <rosuav at gmail.com> wrote:
> On Fri, Mar 6, 2015 at 8:50 PM, Rustom Mody <rustompmody at gmail.com> wrote:
>> In a language like python with decent exceptions we do not need nans.
>
> Not so. I could perhaps accept that we don't need signalling NaNs, as
> they can be replaced with exceptions, but quiet NaNs are by definition
> _not_ exceptions.

And quiet NaNs are very, very useful.

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