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not-a-number's

From: Mischa Baars <mjbaars1977 at gmail dot com>
To: gcc at gcc dot gnu dot org
Cc: marc dot glisse at inria dot fr, aph at redhat dot com, richard dot guenther at gmail dot com
Date: Tue, 15 Jan 2013 17:07:28 +0100
Subject: not-a-number's
References: <50F3C2FE.5010003@cyberfiber.org> <alpine.DEB.2.02.1301141549220.18189@stedding.saclay.inria.fr>

This is what I was trying to point out:

When disregarding the 'isnan()', the function is returning a '2' when one or both the arguments is a NaN. Do you suppose this is correct?

If you ask me, it should exit on the first compare and thus return a not-a-number.

Regards,
Mischa.

Attachment: 2010100706 - series expansion - inverse tangent.tar.gz
Description: GNU Zip compressed data

Follow-Ups:
- Re: not-a-number's
  - From: Eric Botcazou

References:
- bug report: not-a-number not recognized when compiling for x86_64
  - From: Mischa Baars
- Re: bug report: not-a-number not recognized when compiling for x86_64
  - From: Marc Glisse

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