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Re: [PATCH] libgfortran/24313 wrong branch cut for csqrt()

From: Steve Kargl <sgk at troutmask dot apl dot washington dot edu>
To: Tobias Schl?ter <tobias dot schlueter at physik dot uni-muenchen dot de>
Cc: fortran at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Tue, 11 Oct 2005 13:57:49 -0700
Subject: Re: [PATCH] libgfortran/24313 wrong branch cut for csqrt()
References: <20051011204254.GB9602@troutmask.apl.washington.edu> <434C25BF.8080607@physik.uni-muenchen.de>

On Tue, Oct 11, 2005 at 10:51:11PM +0200, Tobias Schl?ter wrote:
> Steve Kargl wrote:
> > The attached patch fixes a problem with chosing the
> > proper branch cut for csqrt((0,-1)).  This problem 
> > is also in glibc in that libgfortran imported glibc's
> > csqrt{f}, which is used on OS's without these functions
> > in libm.
> 
> Does this mean that the test will fail on all platforms which use glibc?  In
> that case you should XFAIL the test and file a bug report with glibc.
> 

Yes, the testcase will fail on all glibc systems.
I'll add the xfail to the testcase.

OK for mainline/4.0 with that change?

-- 
Steve

Follow-Ups:
- Re: [PATCH] libgfortran/24313 wrong branch cut for csqrt()
  - From: Tobias Schlüter

References:
- [PATCH] libgfortran/24313 wrong branch cut for csqrt()
  - From: Steve Kargl
- Re: [PATCH] libgfortran/24313 wrong branch cut for csqrt()
  - From: Tobias Schlüter

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