How do I construct a combining fn out of 'max-key' and is there an idiom or
a pattern for doing so?
You might use the fact that -Infinity is a neutral element for max.
(Or the smallest long if you work with longs).
Alternatively you can represent your value as either a number or nil,
nil being
HI nicolas,
first of all thanks for your time...I do appreciate it...Ok let's see,
On 19/08/12 13:01, nicolas.o...@gmail.com wrote:
You might use the fact that -Infinity is a neutral element for max.
(Or the smallest long if you work with longs).
Alternatively you can represent your value as
Hi Jim,
I tried a bit.
The performance of this is not perfect but seems not horrible.
It can do a level 5 exploration in 11 sec on my computer, with a
branching factor of 30.
(Of course, there is very little computation for the next move.)
The generation is now lazy, but the depth is used in the
By the way, I just found an obvious bug in that code, but
that should be easy to correct.
(if (= res Double/NEGATIVE_INFINITY) (evaluate (:board tree))
res
This is obviously wrong.
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On 19/08/12 21:09, nicolas.o...@gmail.com wrote:
By the way, I just found an obvious bug in that code, but
that should be easy to correct.
(if (= res Double/NEGATIVE_INFINITY) (evaluate (:board tree))
res
This is obviously wrong.
thanks a lot Nicolas...I'll definitely
thanks a lot Nicolas...I'll definitely play around with your code tomorrow
morning...if you say you can go up to level 5 in 11 sec this is really good
performance -I can't wait to explore the code...I'll let you know of any
comments of mine soon!
Of course, don't trust this code. I have
A correction for the wrong part:
(defn my-max ([x y] (if (nil? x) y
(if (nil? y) x
(max x y
([] nil))
(defn tree-value ^double [tree evaluate ^long depth]
(let [children (:children tree)]
(if (or (zero? depth))
(evaluate (:board
Hi,
I am trying to install clj-http but having issues. Here's the gist :
https://gist.github.com/3388644
Am I missing something?
Environment : Ubuntu 12.04, 64Bit, Emacs-snapshot, lein2.
Thanks.
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Hi Jim. Where is that located? Thanks.
On Sunday, May 25, 2008 10:28:29 PM UTC-4, jim wrote:
I just uploaded a file to the files area that implements a logic
programming system from the book The Reasoned Schemer in Clojure.
This book is a sequel to The Little Schemer and I was having a
Hi,
I've got a clojure problem and I'm hoping someone can help:
I'm trying to parse an rss feed which contains illegal characters and I'm
getting this error
SAXParseException An invalid XML character (Unicode: 0x19) was found in the
element content of the document.
I've tried adding a
On Fri, Aug 17, 2012 at 11:45 PM, Benjamin Chi bch...@gmail.com wrote:
Hi Jim. Where is that located? Thanks.
http://github.com/jduey/mini-kanren
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On Fri, Aug 17, 2012 at 5:26 PM, keedon keith.po...@gmail.com wrote:
Hi,
I've got a clojure problem and I'm hoping someone can help:
I'm trying to parse an rss feed which contains illegal characters and I'm
getting this error
SAXParseException An invalid XML character (Unicode: 0x19) was
Hi Nicolas,
as you can see I couldn't sleep without trying out your snippet! :-)
Unfortunately, your code gives me a:
NullPointerException
clojure.lang.Numbers.ops (Numbers.java:942)
clojure.lang.Numbers.gt (Numbers.java:227)
clojure.core/max-key (core.clj:4434)
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