[swift-evolution] [Draft][Proposal] Formalized Ordering

[Pyry Jahkola]

Dmitri Gribenko wrote:

>> 7. What, in fact, is the proposed total order for the stdlib's floating-point types?
> 
> The IEEE 754 definition.
> 
> https://github.com/apple/swift/blob/f318fe853d7898246db24d501f1ddc03c9eb8651/stdlib/public/core/FloatingPoint.swift.gyb#L855

Cool. So if I'm reading it correctly, that's exactly the same order as what I defined here, using bitPattern: http://swiftlang.ng.bluemix.net/#/repl/5791db33719d5d045b4d430c. I suppose your implementation is better in the usual case where most values are in the range of -Double.infinity ... Double.infinity.

— Pyry

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