[pypy-dev] x is y <=> id(x)==id(y)

[William ML Leslie]

On 6 May 2013 17:03, Amaury Forgeot d'Arc <amauryfa at gmail.com> wrote:
> 2013/5/6 Armin Rigo <arigo at tunes.org>
>>
>> On Sun, May 5, 2013 at 10:40 PM, Michael Hudson-Doyle <micahel at gmail.com>
>> wrote:
>> > I want to say something about negative zeroes here....
>>
>> Right: on floats it's not actually the usual equality, but equality of
>> the bit pattern (using float2longlong).
>
>
> Except for NaN...

It's perfectly acceptable for NaN to `is` on their bit pattern.

--
William Leslie

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