From: "Tanes Sriviroolchai" <Tanes DOT Sriviroolchai AT Thailand DOT NCR DOT COM>
Newsgroups: comp.os.msdos.djgpp
References: <Pine DOT SUN DOT 3 DOT 91 DOT 1010111191648 DOT 20014A-100000 AT is> <3a5e8f24$1 AT rpc1284 DOT daytonoh DOT ncr DOT com> <6480-Fri12Jan2001134540+0200-eliz AT is DOT elta DOT co DOT il>
Subject: Re: Weird results of log( -1.0 ) with libm.a and without libm.a
Date: Mon, 15 Jan 2001 10:00:49 +0700
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com


"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il> wrote in message
news:6480-Fri12Jan2001134540+0200-eliz AT is DOT elta DOT co DOT il...
>
>
> You should be able to look at the bit pattern of the result and
> compare it with NaN and Inf, if you don't believe isnan.

No, I'm ok with all behavior of log() and isnan() in DJGPP. The only (small)
problem is isnan() is not available in libc.a. However, I can compare the
result directly with NaN and Inf so it should not be a problem at all. Thank
you.

Regards,
Tanes Sriviroolchai