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Re: Incorrect behavior of /NAN [message #30153 is a reply to message #30027]

Fri, 05 April 2002 10:20

K. Bowman
Messages: 330
Registered: May 2000

Senior Member

In article <onofgz74jo.fsf@cow.physics.wisc.edu>,
Craig Markwardt <craigmnet@cow.physics.wisc.edu> wrote:

> If all the data are missing, how can the sum be NaN? Neither a return
> value of 0, nor a return value of NaN, seems to be appropriate to
> me. This appears to be an undefined case.

If NaN represents missing data, and all of the data are missing, then the
total is missing also, so it seems reasonable to me to return NaN.

Ken

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[Message index]

		Re: Incorrect behavior of /NAN By: Paul van Delst on Thu, 04 April 2002 11:38
		Re: Incorrect behavior of /NAN By: Jaco van Gorkom on Thu, 04 April 2002 10:38
		Re: Incorrect behavior of /NAN By: Paul van Delst on Thu, 04 April 2002 10:19
		Re: Incorrect behavior of /NAN By: Craig Markwardt on Thu, 04 April 2002 09:32
		Re: Incorrect behavior of /NAN By: K. Bowman on Fri, 05 April 2002 10:20
		Re: Incorrect behavior of /NAN By: Mark Hadfield on Thu, 04 April 2002 13:06
		Re: Incorrect behavior of /NAN By: Craig Markwardt on Thu, 04 April 2002 18:26

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