Re: Random number generation

["John B. Matthews" <nospam@nospam.invalid>]

In article <i1i3cc$8ro$1@tornado.tornevall.net>,
 "Jeffrey R. Carter" <spam.jrcarter.not@spam.acm.org> wrote:

> On 07/13/2010 05:45 AM, tonyg wrote:
> > I want to generate a random integer and a random floating point 
> > number between 10 and 30 . I've been looking at previous posts and 
> > finding it a little confusing with many packages, has anyone an 
> > already done example in ada 2005 they can post up?

Here's an Ada 95 example that uses Ada.Numerics.Discrete_Random to 
simulate repeated plays of a simple card game:

<http://home.roadrunner.com/~jbmatthews/war.html>

The shuffling algorithm needs work; this might be an alternative:

<http://en.wikipedia.org/wiki/Fisher–Yates_shuffle>

> The random integer is pretty easy to do with an appropriate [sub]type 
> and Ada.Numerics.Discrete_Random. The random floating-point is a bit 
> more difficult, and there's always the question of whether 30.0 must 
> be a possible value. You can have a look at Random_Range in 
> PragmARC.Universal_Random:
> 
> http://pragmada.x10hosting.com/pragmarc.htm

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>

-- 
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>