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Date: Tue, 15 Sep 2009 06:13:22 +0300
From: Eli Zaretskii <eliz AT gnu DOT org>
Subject: Re: atan2 bug
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> From: Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
> Date: Tue, 15 Sep 2009 00:25:37 +0200
> 
> Am Montag, 14. September 2009 schrieb Eli Zaretskii:
> [snip] 
> > Do you have a test that actually trips it?  If so, how about adding it
> > to tests/libc/ansi/math?
> > 
> 
> Below is a test progran that will trigger the bug.
> If y is positive finite and x is positive infinity then the result of atan2(y, x)
> must be +0.0 but atan2 returns errno=1 and NaN as result.  The explanaition has
> already be given in the previuos post.  If y is negative finite and x is negative
> infinite the result must be -PI, but again errno=1 and result set to NaN.

Thanks.

Assuming that you have run all the other related tests and they still
succeed as before the change to atan2 you suggest, I approve the
changes.  Please install it.