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Re: Supression of arithmetic error warning...
| Re: Supression of arithmetic error warning... [message #29546] |
Wed, 27 February 2002 11:33 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Ed Wright (ed.wright@jpl.nasa.gov) writes:
> Concerning a dlm project of some magnitude...
>
> Under certain numeric situations, my external library throws an arithmetic
> warning:
>
> %Program caused an arithmetic error: Floating underflow
>
> After some work, I determined the mischievous culprit to be a calculation
> with an embedded 1/dp_max expression.
>
> Question. The expression evaluates to zero for the case in question. Can I
> suppress the warning or am I stuck telling the user - "oh, just ignore
> that?" Applications linked against this library use a compiler option to
> prevent display of such errors.
See this Google search for an *exhaustive* discussion of
the problem:
http://groups.google.com/groups?as_q=Locate%20an%20underflow %20
&as_ugroup=comp.lang.idl-pvwave&hl=en
Cheers,
David
--
David W. Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155
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