[swift-evolution] TrigonometricFloatingPoint/MathFloatingPoint protocol?

[Xiaodi Wu]

On Tue, Aug 1, 2017 at 12:21 Michael Ilseman via swift-evolution <
swift-evolution at swift.org> wrote:

>
> On Aug 1, 2017, at 8:14 AM, Taylor Swift via swift-evolution <
> swift-evolution at swift.org> wrote:
>
> I’ve noticed from this and older threads that everyone agrees on what core
> libraries we want, but they never actually get built. Perennial requests
> seem to be
>
> - RNG and cryptography library (CryptoSwift could be a good base for this)
>
>
> A new implementation of crypto is probably a very bad idea. A blessed
> wrapping around the platform’s preferred implementation of crypto, however,
> is certainly needed.
>

My understanding was that this is already part of the Swift server working
group’s efforts, and a large part at that.

- Generic Math library/Vector library
>
>
> This is pretty compelling.
>
> - Basic data structures (Tree, Balanced Tree, Heap, Queue, SkipList,
> graphs, etc)
>
>
> Which flavor/implementation of tree, balanced tree, heap, graphs are
> desirable here? The desirability of many of these structures is often
> dependent on which of many competing tradeoffs were made. Implementation
> details can dramatically shape the general applicability of a data
> structure.
>
> For example, it might make sense to adopt something similar to
> https://github.com/lorentey/BTree as a general underlying representation
> for some kinds of higher level collections (or the mechanisms to easily
> adapt them).
>
> - Modern DateTime library
>
>
> Foundation provides many of these, though I’m sure there are always
> opportunities for improvement. Do you see a specific need that cannot be
> addressed with improvements to corelibs-foundation? There’s a large amount
> of domain expertise in Foundation and they are pretty active on the mailing
> lists.
>
> - Modern String processing toolkit
>
>
> This is a huge gap in Swift’s current offerings, and I’m personally
> invested in improving the situation here. At the risk of hijacking this
> thread, do you have a good bullet list of the kinds of facilities you
> imagine useful? More specifically (and to keep the discussion scoped), are
> there any tools beyond something like good language support for regular
> expression matching and substitutions?
>
> - 2D Graphics library (similar to cairo)
>
> - Windowing/UI library
>
>
> By this, do you mean cross-platform pure Swift rethinks? This is certainly
> interesting, but a pure Swift rethink is likely a lower priority than
> exposing bindings for existing cross-platform approaches (e.g. you
> mentinoed cairo). Like crypto, it might make sense to establish blessed
> wrappers/apinotes/overlays on top of tried-and-true open source offerings.
>
> I think David Turnbull tried to get something like this started years back
> but it fizzled out pretty quick, probably because the Swift foss community
> was much smaller back then. Time to try again?
>
> On Tue, Aug 1, 2017 at 8:29 AM, Georgios Moschovitis <
> george.moschovitis at icloud.com> wrote:
>
>> > That's what's happened with the Server APIs Project
>> > https://swift.org/server-apis/
>> >
>> > I would like to see more of this, and math/BigNum seems like a good
>> candidate.
>> >
>> > Another is a modern date/time package, standing on the shoulders of
>> > https://jcp.org/en/jsr/detail?id=310 and similar.
>>
>> + 1
>>
>> I would also love to see standard implementation of Graph data
>> structures, at least some common protocols.
>> Dunno why this versatile data structure is not included in standard
>> libraries (similar to Map/Dictionary), Set, etc.
>>
>> -g.
>
>
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