[issue11949] Make float('nan') unorderable

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

> What is the reason to make them quiet for floats other
> than backward compatibility?

For me, none.  I'll happily agree that, all other things being equal, it's more natural (and more consistent with other languages) to have < correspond to the signaling operation, and in a new language that's probably what I'd go for.  But as a *change* to existing behaviour in a language that's been widely adopted for numerical work, the risk of breakage seems to me to outweigh any benefits.

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<http://bugs.python.org/issue11949>
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