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Supression of arithmetic error warning... [message #29547]

Wed, 27 February 2002 10:14

Ed Wright
Messages: 39
Registered: February 1999

Member

To: IDL Guri
From: Ed Wright, JPL

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.

As always,
Ed Wright

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