From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.acm.org>
Subject: Re: Random number generation
Date: Tue, 13 Jul 2010 16:02:49 -0700
Date: 2010-07-13T16:02:49-07:00 [thread overview]
Message-ID: <i1irmb$vfe$1@tornado.tornevall.net> (raw)
In-Reply-To: <nospam-A035A2.16333613072010@reserved-multicast-range-NOT-delegated.example.com>
On 07/13/2010 01:33 PM, John B. Matthews wrote:
>
> The shuffling algorithm needs work; this might be an alternative:
>
> <http://en.wikipedia.org/wiki/Fisher–Yates_shuffle>
The problem with this (for Ada) is the need to instantiate Discrete_Random for a
different range each time (although you could use
PragmARC.Universal_Random.Random_Int). If it's for a game with a human, then the
biased version of using the full range each time is good enough
> As an aside, Mine Detector V6.0 builds on Mac OS X 10.5.8 with GtkAda
> 2.14.1 and GNAT 4.3.4. Wait, I took a picture:
>
> <http://i26.tinypic.com/23qyxxi.png>
Cool. I wouldn't check any boxes with only 100 mines.
--
Jeff Carter
"When Roman engineers built a bridge, they had to stand under it
while the first legion marched across. If programmers today
worked under similar ground rules, they might well find
themselves getting much more interested in Ada!"
Robert Dewar
62
next prev parent reply other threads:[~2010-07-13 23:02 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-13 12:45 Random number generation tonyg
2010-07-13 12:50 ` Jacob Sparre Andersen
2010-07-13 12:58 ` Dmitry A. Kazakov
2010-07-13 13:17 ` Thomas Løcke
2010-07-13 16:07 ` Jeffrey R. Carter
2010-07-13 20:33 ` John B. Matthews
2010-07-13 23:02 ` Jeffrey R. Carter [this message]
2010-07-14 4:42 ` John B. Matthews
2010-07-15 19:01 ` tonyg
-- strict thread matches above, loose matches on Subject: below --
2010-12-30 10:43 Mart van de Wege
2010-12-30 10:54 ` Thomas Løcke
2010-12-30 12:11 ` Mart van de Wege
2010-12-30 11:34 ` Niklas Holsti
2010-12-30 11:53 ` Georg Bauhaus
2010-12-30 12:25 ` Mart van de Wege
2010-12-30 15:29 ` Georg Bauhaus
2010-12-30 15:37 ` Mart van de Wege
2010-12-30 11:51 ` Brian Drummond
2010-12-30 12:16 ` Mart van de Wege
2010-12-30 13:04 ` Dmitry A. Kazakov
2010-12-30 13:22 ` Niklas Holsti
2010-12-30 13:39 ` Dmitry A. Kazakov
2010-12-30 13:30 ` Mart van de Wege
2010-12-31 3:14 ` Gene
2003-09-26 7:14 random " christoph.grein
2003-09-26 7:00 Andrew
2003-09-26 7:35 ` tmoran
2003-09-26 17:58 ` Andrew
2003-09-26 19:25 ` Andrew
2003-09-26 19:35 ` chris
2003-09-26 21:44 ` tmoran
2003-09-27 1:40 ` Robert I. Eachus
2003-09-27 4:48 ` Andrew
1997-12-19 0:00 Mok-kong Shen
1998-01-02 0:00 ` Mok-kong Shen
1998-01-02 0:00 ` Robert Dewar
1996-10-13 0:00 Random Number Generation parker
1996-10-13 0:00 ` Robert Dewar
1996-10-14 0:00 ` Robert A Duff
1996-10-10 0:00 Dr J Parker
1996-10-10 0:00 Dr J Parker
1996-10-12 0:00 ` Geert Bosch
1996-10-12 0:00 ` Keith Thompson
1996-10-02 0:00 Dr J Parker
1996-10-03 0:00 ` Mats Weber
1996-10-07 0:00 ` Geert Bosch
1996-09-23 0:00 Nigel J. Tracey
1996-09-23 0:00 ` Tucker Taft
1996-10-02 0:00 ` Nigel J. Tracey
1996-10-02 0:00 ` Robert I. Eachus
1996-10-03 0:00 ` Nigel J. Tracey
1996-09-25 0:00 ` James_Rogers
1996-09-26 0:00 ` Dale Stanbrough
1996-10-01 0:00 ` Robert I. Eachus
1996-09-30 0:00 ` Dr J Parker
1996-10-01 0:00 ` Tucker Taft
1996-10-01 0:00 ` Keith Thompson
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