hfinkel added a comment.

In https://reviews.llvm.org/D31561#731498, @dexonsmith wrote:

> Marshall, that's what I assumed originally, but I figured Hal had some 
> non-standard-but-worth-supporting use case in mind.


In this case, future-proofing and mathematical precision seemed aligned. I 
suspect that we'll end up with fixed-point types, etc. at some point, and users 
already certainly have such types (although it is true that using those types 
with the std:: math functions is not something we're required to support).

> Hal, what do you think?

I think that it is fine either way. Marshall is certainly correct, there are no 
types we're required to support that makes this a meaningful distinction.


https://reviews.llvm.org/D31561



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