[Haskell-cafe] An APL library for Haskell

[Carter Schonwald]

Hey All,

As Dan Peebles remarks, Repa and similar libs give a great haskelly
vocabulary for this. Indeed, most of the examples in the wiki page are very
much expressible with the REPA data model.

I'd like to take this opportunity note that I'll be releasing a prototype
library for numerical arrays / numerical computation / etc that draws from
Repa and adds some ideas i've developed over the past year, later this
month. (yes and the core stuff will be bsd3)

barring irresolvable design flaws, i'm very much committed to building
tools in this space that hopefully can see widespread adoption (and use) by
the community.

I'm pretty buried with some other matters for the next week or so, but I
hope to get that preview out at the end of the month. stay tuned ;)
-Carter






On Sun, Sep 15, 2013 at 9:57 PM, Daniel Peebles <pumpkingod at gmail.com>wrote:

> Interesting idea. It seems like building this on top of REPA would save a
> lot of work, since it has a native notion of "rank" encoded in the type
> system. I'd then see the APL-like combinators as a "niche" API for REPA,
> rather than as a library of their own. And of course, you'd get
> parallelization for free, more or less. I think some of the combinators on
> that wiki page already have counterparts in the REPA API.
>
>
>
>
> On Thu, Mar 8, 2012 at 8:44 AM, Simon Peyton-Jones <simonpj at microsoft.com>wrote:
>
>>  Friends****
>>
>> ** **
>>
>> Many of you will know the array language APL<http://en.wikipedia.org/wiki/APL_%28programming_language%29>.
>> It focuses on arrays and in particular has a rich, carefully-thought-out
>> array algebra. ****
>>
>> ** **
>>
>> An obvious idea is: *what would a Haskell library that embodies APL’s
>> array algebra look like*?  In conversation with John Scholes and some of
>> his colleagues in the APL community a group of us developed some ideas for
>> a possible API, which you can find on the Haskell wiki here:
>> http://www.haskell.org/haskellwiki/APL****
>>
>> ** **
>>
>> However, we have all gone our separate ways, and I think it’s entirely
>> possible that that the idea will go no further.  So this message is to ask:
>> ****
>>
>> **·         **Is anyone interested in an APL-style array library in
>> Haskell?****
>>
>> **·         **If so, would you like to lead the process of developing
>> the API?****
>>
>> ** **
>>
>> I think there are quite a few people who would be willing to contribute,
>> including some core gurus from the APL community: John Scholes,  Arthur
>> Whitney, and Roger Hui.   ****
>>
>> ** **
>>
>> Simon****
>>
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>>
>
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