| Re: IDL executable compile options for FPE [message #33928] |
Fri, 07 February 2003 15:51 |
Craig Markwardt
Messages: 1869
Registered: November 1996
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Senior Member |
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Ed Wright <ed.wright@jpl.nasa.gov> writes:
> To: DLM experts
> From: Ed Wright, JPL
>
> I'm curious as to how RSI builds the IDL executable to detect FPE events (I
> appreciate they do this).
>
> Several flavors of Unix do not signal FPEs for 1/0. or sqrt(-1.) operations,
> yet IDL catches them.
>
> Any clues as to how?
This article by David Munro (primary author of Yorick):
http://groups.google.com/groups?selm=873dy88du3.fsf%40yorick .llnl.gov
may give some answers. At least it has FPU exception code for
multiple operating systems.
Good luck,
Craig
--
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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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