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Re: random number seed initialisation [message #87513 is a reply to message #87502]

Tue, 11 February 2014 01:34

Mats Löfdahl
Messages: 263
Registered: January 2012

Senior Member

Den måndagen den 10:e februari 2014 kl. 03:21:38 UTC+1 skrev Bogdanovist:
> I have a system that will be used by multiple users that, as a part of it, requires the creation of temporary files that I just give a random file name. I'm not sure how IDL goes about initialising the random seed if you don't supply it, so how can I ensure that different users running concurrently won't use the same initial seed and hence end up with the same file names?

If you are on a unix-like system, you could spawn a call to mktemp.

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[Message index]

		random number seed initialisation By: Matt Francis on Sun, 09 February 2014 18:21
		Re: random number seed initialisation By: David Fanning on Sun, 09 February 2014 18:37
		Re: random number seed initialisation By: Matt Francis on Mon, 10 February 2014 15:11
		Re: random number seed initialisation By: David Fanning on Mon, 10 February 2014 15:22
		Re: random number seed initialisation By: Matt Francis on Mon, 10 February 2014 15:32
		Re: random number seed initialisation By: David Fanning on Mon, 10 February 2014 15:42
		Re: random number seed initialisation By: David Fanning on Tue, 11 February 2014 07:22
		Re: random number seed initialisation By: Mats Löfdahl on Tue, 11 February 2014 01:34

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