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Re: IDL procedure to test/cerify IDL routines [message #41200 is a reply to message #41199]

Tue, 19 October 2004 08:57

licausi
Messages: 4
Registered: January 2003

Junior Member

David Fanning <david@dfanning.com> wrote in message news:<MPG.1bdd70a5deacce809896a1@news.frii.com>...
> Gianluca Li Causi writes:
>
>> I'm collecting a group of people in order to make an IDL library out
>> of our own routines,
>> so that I'm wondering if there exists an IDL routine able to test our
>> routines to be sure that they will work in any possible situation.
>
> Yeah, you and me, both!
>
> Cheers,
>
> David
>
> P.S. All I can tell you is LINIX is hell on IDL programs! :-(

Thank you all for your discussion on my topic: really I was intending
"mathematical errors", but of course I also would need all the other
kind of testing as well...
Anyway, I don't know what LINIX is: could you tell me about?
It seems from one of the replyes to this post that it makes hell just
with object graphics, which I'm not interested to (I'm an astronomer,
so...).

The question arises to me when I wrote a routine to compute
rototranslation between two images of stars: I've tested it with
various trial coordinate sets and all went ok, until a friend of mine
tried with an exact 45 degrees rotation and it doesn't work!
The reason was that I had a (sin(theta)-cos(theta)) within a matrix
and this made a singular matrix if theta=45 degrees, which was not
produced in my random tests!

So, I wonder if there is a routine able to parse the IDL program, find
that there is a sin(x)-cos(x) case and try it with an x=45 degrees
input automatically. And the same for any "special" case within the
program.

Thank you so much
Gianluca

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[Message index]

		Re: IDL procedure to test/cerify IDL routines By: David Fanning on Tue, 19 October 2004 09:47
		Re: IDL procedure to test/cerify IDL routines By: licausi on Tue, 19 October 2004 08:57
		Re: IDL procedure to test/cerify IDL routines By: David Fanning on Mon, 18 October 2004 13:14
		Re: IDL procedure to test/cerify IDL routines By: JD Smith on Mon, 18 October 2004 10:16
		Re: IDL procedure to test/cerify IDL routines By: David Fanning on Mon, 18 October 2004 09:12
		Re: IDL procedure to test/cerify IDL routines By: R.Bauer on Mon, 18 October 2004 08:39
		Re: IDL procedure to test/cerify IDL routines By: David Fanning on Mon, 18 October 2004 06:36
		Re: IDL procedure to test/cerify IDL routines By: Ben Panter on Mon, 18 October 2004 06:30
		Re: IDL procedure to test/cerify IDL routines By: David Fanning on Mon, 18 October 2004 06:18

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