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Re: ATAN inconsistencies [message #17848 is a reply to message #17729]

Mon, 15 November 1999 00:00

bowman
Messages: 121
Registered: September 1991

Senior Member

In article <383028E8.B9B90A11@astro.estec.esa.nl>, Michael Werger
<mwerger@astro.estec.esa.nl> wrote:

> IDL 5.2 on Solaris 2.7:
>
> IDL> print, atan(0.0, 0.0)
> 0.00000
> ... Any comments about the proper handling? ;-)

Well, if x=y=0, then ATAN(y/x) is not defined, so it should return a NaN.

Ken

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[Message index]

		ATAN inconsistencies By: bowman on Fri, 12 November 1999 00:00
		Re: ATAN inconsistencies By: bowman on Mon, 15 November 1999 00:00
		Re: ATAN inconsistencies By: Michael Werger on Mon, 15 November 1999 00:00

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