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c.f. bug 424647
List Archive: gentoo-amd64
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To: gentoo-amd64@g.o
From: Volker Armin Hemmann <volkerarmin@...>
Subject: Re: Possible Math Problem - Request For Verification
Date: Sun, 26 Jun 2011 21:31:10 +0200
On Sunday 26 June 2011 14:21:11 Barry Schwartz wrote:
> Volker Armin Hemmann <volkerarmin@...> skribis:
> > ok, I tried ekopath:
> > 
> > UCBFAIL indicates problems!
> > /tmp/usbtest/ccos_DP.output: ucbtest UCBFAIL in COS(X) at line 444 for
> > generic /tmp/usbtest/cexp_DP.output: ucbtest UCBFAIL in EXP(X) at line
> > 444 for generic /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in ceild
> > at line 701 for double /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in
> > coshd at line 701 for double /tmp/usbtest/clib_DP.output: ucbtest
> > UCBFAIL in floord at line 701 for double
> > /tmp/usbtest/clib_DP.output:UCBFAIL clib_DP.output , 25 out of 25 tests
> > completed
> > /tmp/usbtest/csin_DP.output: ucbtest UCBFAIL in SIN(X) at line 444 for
> > generic
> > 
> > only 10 out of 14 show UCBPASS!
> 
> That must be what they mean by "Industry proven robustness and
> quality"

no, that probably means that the 'problem' is

either not a problem at all. Failing some test and not being accurate or being 
wrong or even not following some standard are very different thins

or not caused by the compilers but something else. Like libc, libm, etc.

-- 
#163933


References:
Possible Math Problem - Request For Verification
-- Frank Peters
Re: Possible Math Problem - Request For Verification
-- Volker Armin Hemmann
Re: Possible Math Problem - Request For Verification
-- Barry Schwartz
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Updated Jun 28, 2012

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