Re: Re: Re: RANDOM function?

ghaverla@freenet.edmonton.ab.ca

From: ghaverla@freenet.edmonton.ab.ca
To: pgsql-novice@postgresql.org
Date: 2001-07-31T13:22:59Z
Lists: pgsql-novice

On Tue, 31 Jul 2001, Einar Karttunen wrote:

> That sounds very hard to implement effeciently. Could you send me some
> high level pseudocode? I think that a with 31 bit random integers the
> probablity to get the same value is very very small. If it is too big
> I can always change to bigints.

I got 516 hits at Google.com on
  random number generator "without replacement"
some hits in C, some in C++, .... One employs the
Gnu Scientific Library, 

Gord

Matter Realisations     http://www.materialisations.com/
Gordon Haverland, B.Sc. M.Eng. President
101  9504 182 St. NW    Edmonton, AB, CA  T5T 3A7
780/481-8019            ghaverla @ freenet.edmonton.ab.ca
780/993-1274 (cell)