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Re: Failing tests in glibc


Kars de Jong <jongk@cs.utwente.nl> writes:

|> On Wed, Nov 18, 1998 at 11:05:22AM +0100, Andreas Schwab wrote:
|> > Kars de Jong <jongk@cs.utwente.nl> writes:
|> > 
|> > |> >Submitter-Id:	net
|> > |> >Originator:	Kars de Jong
|> > |> >Organization:
|> > |> >Confidential:	no
|> > |> >Synopsis:	glibc fails math tests
|> > |> >Severity:	serious
|> > |> >Priority:	medium
|> > |> >Category:	libc
|> > |> >Class:		sw-bug
|> > |> >Release:	libc-2.0.102
|> > |> >Environment:
|> > |> Host type: m68k-unknown-linux-gnu
|> > |> System: Linux rincewind 2.1.127 #2 Mon Nov 16 21:51:19 CET 1998 m68k unknown
|> > |> Architecture: m68k
|> > |> CPU: 68060 with FPU and MMU
|> > 
|> > I cannot reproduce the problems on my 68030/68882.  It may be a bug in the
|> > FPU emulation for the 68060.  Could you please run the math tests
|> > (test-{float,double,ldouble}) manually with -v2, so that we can see how
|> > much the computed values differ from the expected ones?
|> 
|> Okay, here comes the output:

Thanks.  The differences look small enough to be ignored as round-off
errors.  I'll update the epsilons in the tests.  It seems like the fpu
emulation isn't very accurate in general.

-- 
Andreas Schwab                                      "And now for something
schwab@issan.cs.uni-dortmund.de                      completely different"
schwab@gnu.org


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