[swift-evolution] Expanded support for numeric types in stdlib?

Austin Zheng austinzheng at gmail.com
Thu Dec 3 20:52:20 CST 2015

Thanks, Chris and Dmitri! I will do some research and write something up
over the weekend.


On Thu, Dec 3, 2015 at 2:24 PM, Dmitri Gribenko <gribozavr at gmail.com> wrote:

> On Thu, Dec 3, 2015 at 1:14 PM, Austin Zheng <austinzheng at gmail.com>
> wrote:
> >
> > Hi all,
> >
> > There are quite a few programming languages that provide support for
> numeric types apart from the customary floating-point and fixed-width
> integer types. Prominent examples of additional numeric types include
> rational numbers, arbitrary-width integer types, and fixed-point numbers.
> Many of these numeric types are applicable to a wide variety of problem
> domains.
> >
> > Swift seems like it would be a good fit for stdlib implementation of
> some of these numeric types. Structs and value semantics, literal
> initialization, and operator overloading would allow such types to be
> treated as first-class citizens. Is the community amenable to such a
> proposal, which would entail the data structures themselves, arithmetic
> operations, and interoperation between different numeric types to form a
> numerical tower of sorts?
> Hi Austin,
> We are interested in improving our numerics support, and we are
> definitely interested in hearing your ideas in this space.  You don't
> have to write a full proposal though.  Just an extended email to
> swift-evolution would be a good start.
> You can find the current prototype for library support for integers
> here:
> https://github.com/apple/swift/blob/master/test/Prototypes/Integers.swift.gyb
> Dmitri
> --
> main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
> (j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/
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