[swift-evolution] TrigonometricFloatingPoint/MathFloatingPoint protocol?

[Taylor Swift]

i reached out to the person running that repository a few months ago but
they never responded.

On Thu, Aug 3, 2017 at 12:38 PM, Jacob Williams via swift-evolution <
swift-evolution at swift.org> wrote:

> There’s also a PureSwift organization of GitHub that has several Swift PM
> packages built specifically with Linux support in mind
>
> https://github.com/PureSwift
>
> It looks like it’s along the lines of SwiftBreezy, but it hasn’t died
> out…yet.
>
> At the same time, this may just be another example of how without an Apple
> “backed”/supported repo, the community is very likely to become more and
> more fragmented as more and more people implement the same few frameworks
> with minor variations/improvements.
>
> On Aug 3, 2017, at 5:04 AM, Stephen Canon via swift-evolution <
> swift-evolution at swift.org> wrote:
>
> On Aug 2, 2017, at 7:03 PM, Karl Wagner via swift-evolution <
> swift-evolution at swift.org> wrote:
>
>
> It’s important to remember that computers are mathematical machines, and
> some functions which are implemented in hardware on essentially every
> platform (like sin/cos/etc) are definitely best implemented as compiler
> intrinsics.
>
>
> sin/cos/etc are implemented in software, not hardware. x86 does have the
> FSIN/FCOS instructions, but (almost) no one actually uses them to implement
> the sin( ) and cos( ) functions; they are a legacy curiosity, both too slow
> and too inaccurate for serious use today. There are no analogous
> instructions on ARM or PPC.
>
> – Steve
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