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Date:      Sat, 11 Oct 1997 02:08:54 +0000 (GMT)
From:      Terry Lambert <tlambert@primenet.com>
To:        chuckr@glue.umd.edu (Chuck Robey)
Cc:        tlambert@primenet.com, gjohnson@nola.srrc.usda.gov, freebsd-hackers@FreeBSD.ORG
Subject:   Re: Floating point exceptions
Message-ID:  <199710110208.TAA09898@usr02.primenet.com>
In-Reply-To: <Pine.BSF.3.96.971010173132.11671G-100000@localhost> from "Chuck Robey" at Oct 10, 97 05:34:04 pm

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> Terry, I figured if he understood his application's math well enough to do
> the first fix, he'd have done it without asking us.  Your worst case fix
> doesn't have to be that way, he could set up a signal catcher, so that he
> could identify which calculations are killing him, then maybe fix the code
> from there.  That's what I'd likely do, if I couldn't spot the original
> killing calculation.  Disagree?

Nope; good plan, so long as the data being operated upon is the same
each time; if it's a signal processing application, it's trouble.  It'd
help to know if it's overflow, underflow, or whatever, in any case, so
a handler is the best bet.


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.



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