Date: Tue, 18 Apr 2023 13:56:47 +0200
To: Bruno Haible <bruno@clisp.org>
Subject: Re: ilogbl(NaN) is wrong
Message-ID: <ZD6Ff44F+oyluUMz@calimero.vinschen.de>
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From: Corinna Vinschen via Cygwin <cygwin@cygwin.com>
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Cc: Corinna Vinschen <corinna-cygwin@cygwin.com>, cygwin@cygwin.com
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On Apr 18 13:21, Bruno Haible via Cygwin wrote:
> POSIX [1] specifies that the return value of the functions ilogbf(), ilogb(),
> ilogbl() for a NaN argument should all be the same, namely FP_ILOGBNAN.
> 
> [1] https://pubs.opengroup.org/onlinepubs/9699919799/functions/ilogb.html
> 
> In Cygwin 3.4.6, the value of ilogbl(NaN) is not right.

Thanks, I pushed a patch.

A test release cygwin-3.5.0-0.283.gfa84aa4dd2fb containing this patch
is building right now.  You can install it via setup as soon as it's
available (roughly in an hour).


Thanks again,
Corinna


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