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Message-ID:	<3FF743FC.3000302@phekda.gotadsl.co.uk>
Date:	Sat, 03 Jan 2004 22:36:44 +0000
From:	Richard Dawe <rich AT phekda DOT gotadsl DOT co DOT uk>
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To:	djgpp-workers AT delorie DOT com
Subject:	Re: Values for HUGE and NAN
References:	<59 DOT 2747722 DOT 2d274337 AT aol DOT com>
In-Reply-To:	<59.2747722.2d274337@aol.com>
Reply-To:	djgpp-workers AT delorie DOT com

Hello.

Kbwms AT aol DOT com wrote:
> C99 specifies values for HUGE_VAL, HUGE_VALF and HUGE_VALL for types 
> double, float, and long double but only one for NAN.  Why aren't values 
> for the three types specified similarly for NAN?

I don't know. I've wondered about that too.

Perhaps it's because HUGE_VAL* are used to indicate an FP function 
failing and you compare directly against a constant, whereas NaNs can be 
tested for using isnan(). HUGE_VAL* are discrete values, whereas there 
are many NaNs. Just guessing.

Bye, Rich =]

-- 
Richard Dawe [ http://homepages.nildram.co.uk/~phekda/richdawe/ ]

"You can't evaluate a man by logic alone."
   -- McCoy, "I, Mudd", Star Trek

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