Does T-lang have opinion on floating-point guarantees?

[pnkfelix]

T-opsem wants to know if T-lang has a current opinion, or believes it may want to have a future opinion, about: rust-lang/unsafe-code-guidelines#123

[pnkfelix]

(this came up in T-opsem backlog bonanza today and after a couple rounds of interrogation, I said I would bring it up with T-lang today.)

[joshtriplett]

We talked about this somewhat during today's @rust-lang/lang meeting. From that discussion, it's safe to say that the team does have various opinions on floating-point guarantees. :)

We're going to have further discussion around this in the context of language design principles, and then after that, see if someone wants to champion some design for floating-point guarantees in particular.

[nikomatsakis]

@rustbot labels -I-lang-nominated

Conclusion from our meeting today:

Yes, lang team cares, we would be happy to make decisions, but we would need a design meeting to get a real understanding.

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