Re: [Haskell-cafe] lazy A-star search

2011-10-22 Thread Richard Senington
How do you mean effective? While I am not sure they mention A* search, you might like to look at the paper Modular Lazy Search for Constraint Satisfaction Problems by Nordin Tolmach. http://citeseer.ist.psu.edu/viewdoc/summary?doi=10.1.1.34.4704 RS On 22/10/11 13:28, Anton Kholomiov

Re: [Haskell-cafe] Data Flow Programming in FP

2011-06-28 Thread Richard Senington
On 20/06/11 15:45, Richard Senington wrote: Hi all, I have recently become interested in Dataflow programming and how it related to functional languages. I am wondering if the community has any advice on reading matter or other directions to look at. So far I have been looking through

Re: [Haskell-cafe] Data Flow Programming in FP

2011-06-21 Thread Richard Senington
On 20/06/11 16:37, David Barbour wrote: On Mon, Jun 20, 2011 at 7:45 AM, Richard Senington sc06...@leeds.ac.uk mailto:sc06...@leeds.ac.uk wrote: I have recently become interested in Dataflow programming and how it related to functional languages. I am wondering if the community has

[Haskell-cafe] Data Flow Programming in FP

2011-06-20 Thread Richard Senington
Hi all, I have recently become interested in Dataflow programming and how it related to functional languages. I am wondering if the community has any advice on reading matter or other directions to look at. So far I have been looking through the FRP libraries, using Haskell functions with

Re: [Haskell-cafe] Stacking data types

2011-04-06 Thread Richard Senington
On 06/04/11 20:32, Brandon Moore wrote: From: Yves Parèslimestr...@gmail.com Sent: Wed, April 6, 2011 1:57:51 PM Hello Café, I'm trying to get some modular data types. The idea that came to me is that I could stack them, for instance : data Character a = Character { life :: Int,

[Haskell-cafe] Combinatorial Problems

2011-03-06 Thread Richard Senington
Hello all, I have just uploaded a very early (0.0.1) version of a library I am working on to hackage. The library is for representing some well known combinatorial problems, and provide loading routines for standard repositories of these problems. At the moment is only support SAT-3 and

[Haskell-cafe] Where to put a library

2011-03-02 Thread Richard Senington
Hi all, I am working on ways to implement local search meta-heuristics in Haskell. I need various test problems to experiment on, and this has resulted in me building various file parsers and data structures for these. Currently I have versions for SAT, TSP and a couple of more private file

Re: [Haskell-cafe] Splittable random numbers

2010-11-12 Thread Richard Senington
On 11/11/10 21:34, Luke Palmer wrote: On Thu, Nov 11, 2010 at 3:13 AM, Richard Seningtonsc06...@leeds.ac.uk wrote: I got hold of, and looked through the paper suggested in the root of this thread “Pseudo random trees in Monte-Carlo, and based upon this I have thrown together a version of

Re: [Haskell-cafe] Splittable random numbers

2010-11-12 Thread Richard Senington
On 12/11/10 20:56, Bryan O'Sullivan wrote: On Fri, Nov 12, 2010 at 12:34 PM, Luke Palmer lrpal...@gmail.com mailto:lrpal...@gmail.com wrote: Yeah I think a package of randomness tests could be really useful. Cool :-) There are already well-established suites of very thorough PRNG

Re: [Haskell-cafe] Splittable random numbers

2010-11-11 Thread Richard Senington
I got hold of, and looked through the paper suggested in the root of this thread Pseudo random trees in Monte-Carlo http://portal.acm.org/citation.cfm?id=1746034, and based upon this I have thrown together a version of the binary tree based random number generator suggested. I would like to

Re: [Haskell-cafe] Splittable random numbers

2010-11-04 Thread Richard Senington
I might have a use for this, so I could give it a go. I'll have a look through this post in detail tomorrow morning. RS On 04/11/10 17:38, Simon Peyton-Jones wrote: Hi Cafe A while back there was a thread http://www.mail-archive.com/haskell-cafe@haskell.org/msg79633.html about a good