Gentoo Archives: gentoo-amd64

From: Volker Armin Hemmann <volkerarmin@××××××××××.com>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] Possible Math Problem - Request For Verification
Date: Sun, 26 Jun 2011 19:32:30
Message-Id: 1309119424.txH9QVNGPR@localhost
In Reply to: Re: [gentoo-amd64] Possible Math Problem - Request For Verification by Barry Schwartz
1 On Sunday 26 June 2011 14:21:11 Barry Schwartz wrote:
2 > Volker Armin Hemmann <volkerarmin@××××××××××.com> skribis:
3 > > ok, I tried ekopath:
4 > >
5 > > UCBFAIL indicates problems!
6 > > /tmp/usbtest/ccos_DP.output: ucbtest UCBFAIL in COS(X) at line 444 for
7 > > generic /tmp/usbtest/cexp_DP.output: ucbtest UCBFAIL in EXP(X) at line
8 > > 444 for generic /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in ceild
9 > > at line 701 for double /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in
10 > > coshd at line 701 for double /tmp/usbtest/clib_DP.output: ucbtest
11 > > UCBFAIL in floord at line 701 for double
12 > > /tmp/usbtest/clib_DP.output:UCBFAIL clib_DP.output , 25 out of 25 tests
13 > > completed
14 > > /tmp/usbtest/csin_DP.output: ucbtest UCBFAIL in SIN(X) at line 444 for
15 > > generic
16 > >
17 > > only 10 out of 14 show UCBPASS!
18 >
19 > That must be what they mean by "Industry proven robustness and
20 > quality"
21
22 no, that probably means that the 'problem' is
23
24 either not a problem at all. Failing some test and not being accurate or being
25 wrong or even not following some standard are very different thins
26
27 or not caused by the compilers but something else. Like libc, libm, etc.
28
29 --
30 #163933