[Oberon] Random numbers

Martin Bishop martinbishop at bellsouth.net
Thu Sep 25 16:59:06 MEST 2008

Yaroslav Romanchenko wrote:
>> I have some simple code that does the Knuth shuffle on an array of
>> integers.  I use RandomNumbers.RND(n + 1) (n being the FOR loops
>> counter), however every time I run the resulting program, it gives me
>> the same "random" shuffle.  Even a recompile will still give me the same
>> shuffle.  Is this a property of the random number generator? Do I have
>> to seed it myself with the time or something?
> Inspecting RandomNumbers module content shows that its seed value initializes only when module loaded first time.
> So, you can use RandomNumbers.InitSeed() every time it's needed.
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Ah, that's where the problem is.  I'm using oo2c, and it's RandomNumbers
module doesn't have an InitSeed()

I'll look around at other sources for one, I suppose.

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