Date: Wed, 20 Jan 1999 16:04:09 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
cc: djgpp workers list <djgpp-workers AT delorie DOT com>
Subject: Re: Bug when printing long doubles
In-Reply-To: <Pine.LNX.3.93.990120122737.2655C-100000@acp3bf>
Message-ID: <Pine.SUN.3.91.990120160201.315B-100000@is>
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Reply-To: djgpp-workers AT delorie DOT com


On Wed, 20 Jan 1999, Hans-Bernhard Broeker wrote:

> Hmmm... seems like I'll have to revisit my FPU literature again. I thought
> the FPU at least had a mode where it does not generate any exception, nor
> return NaN, when it's operating on unnormals...

There *is* a mode where all exceptions are masked (that's how DJGPP v2.02 
sets the FPU up), but unnormals always generate a NaN when they are used 
as one of the operands, at least AFAIK.  *Denormals* indeed are silently 
converted to zero, but not unnormals.