Date: Wed, 03 Sep 2003 00:23:29 +0200
From: "Eli Zaretskii" <eliz AT elta DOT co DOT il>
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To: Eric Rudd <rudd AT cyberoptics DOT com>
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In-reply-to: <3F54E076.8030807@cyberoptics.com> (message from Eric Rudd on
	Tue, 02 Sep 2003 13:24:54 -0500)
Subject: Re: Arithmetic Exceptions in C99
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> Date: Tue, 02 Sep 2003 13:24:54 -0500
> From: Eric Rudd <rudd AT cyberoptics DOT com>
> 
> If it is indeed the case that the DJGPP startup code masks all the
> FP exceptions, perhaps it would be easier to use the x87 status word
> for these functions.

I feel uneasy with setting bits in the x87 status word (assuming it's
at all possible, which I'm not certain about).  I'd say let the
hardware do its thing as well as it can, and let's mirror its status
in a separate variable.

> In some ways, Annex F makes it easy for the library programmer, since 
> one can often dispense with the argument tests and simply depend on the 
> processor to issue the appropriate exceptions.

Except that feraiseexception requires us to be able to ``generate''
such exceptions.