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Re: avoiding "floating illegal operand" errors with /nan keyword in mean [message #85632 is a reply to message #85614]

Thu, 22 August 2013 12:26

Paul Levine
Messages: 29
Registered: February 2008

Junior Member

On 2013-08-21 21:11:45 +0000, Fabien said:

> Hi Paul,
>
> I also had the same problem:
> https://groups.google.com/forum/#!topic/comp.lang.idl-pvwave /XmPXtQE6VZ0
>
> It is not necessary to use a for loop to avoid the warnings, you just
> need to write your own MEAN() where you check for cases with
> TOTAL(FINITE(data), dimension) eq 0 but you have to decide if it worth
> it or not...

Thanks, that thread is an interesting read. I was thinking I would
probably just use Wayne Landsman's suggestion of ignoring the math
errors. But your suggestion of writing a new MEAN() got me looking,
and I found the AVG() function in the astronomy library, which looks
like it does just that, and was in fact heavily modified by Wayne
Landsman himself.

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[Message index]

		avoiding "floating illegal operand" errors with /nan keyword in mean By: Paul Levine on Tue, 20 August 2013 16:37
		Re: avoiding "floating illegal operand" errors with /nan keyword in mean By: wlandsman on Tue, 20 August 2013 17:26
		Re: avoiding "floating illegal operand" errors with /nan keyword in mean By: Paul Levine on Tue, 20 August 2013 19:17
		Re: avoiding "floating illegal operand" errors with /nan keyword in mean By: wlandsman on Wed, 21 August 2013 05:58
		Re: avoiding "floating illegal operand" errors with /nan keyword in mean By: Paul Levine on Thu, 22 August 2013 12:16
		Re: avoiding "floating illegal operand" errors with /nan keyword in mean By: Fabzi on Wed, 21 August 2013 14:11
		Re: avoiding "floating illegal operand" errors with /nan keyword in mean By: Paul Levine on Thu, 22 August 2013 12:26

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