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Re: Move "-sNaN" values into a separate variable (was: [PATCH RFC]<math.h> issignaling)

From: "Joseph S. Myers" <joseph at codesourcery dot com>
To: Thomas Schwinge <thomas at codesourcery dot com>
Cc: <libc-alpha at sourceware dot org>
Date: Fri, 15 Mar 2013 20:01:39 +0000
Subject: Re: Move "-sNaN" values into a separate variable (was: [PATCH RFC]<math.h> issignaling)
References: <8762148l9v.fsf@schwinge.name> <Pine.LNX.4.64.1303061806460.12534@digraph.polyomino.org.uk><87txonzdtd.fsf@kepler.schwinge.homeip.net> <87d2vbyyos.fsf@kepler.schwinge.homeip.net><Pine.LNX.4.64.1303072058160.31220@digraph.polyomino.org.uk><87a9q45x2c.fsf@schwinge.name>

On Fri, 15 Mar 2013, Thomas Schwinge wrote:

> > glibc tests are not about how negation works for sNaN.  You should have a 
> > variable storing a negative sNaN (statically initialized to such) and use 
> > that to test negative sNaN arguments to functions.
> 
> Like this?
> 
> 	* math/test-snan.c (TEST_FUNC): Add and use minus_sNaN_var
> 	variable.

Yes, like that.

-- 
Joseph S. Myers
joseph@codesourcery.com

References:
- [PATCH RFC] <math.h> issignaling
  - From: Thomas Schwinge
- Re: [PATCH RFC] <math.h> issignaling
  - From: Joseph S. Myers
- Re: [PATCH RFC] <math.h> issignaling
  - From: Thomas Schwinge
- Re: [PATCH RFC] <math.h> issignaling
  - From: Thomas Schwinge
- Re: [PATCH RFC] <math.h> issignaling
  - From: Joseph S. Myers
- Move "-sNaN" values into a separate variable (was: [PATCH RFC] <math.h> issignaling)
  - From: Thomas Schwinge

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