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 13:03:22
Message-Id: 1878241.8OxDNYOFLA@localhost
In Reply to: Re: [gentoo-amd64] Possible Math Problem - Request For Verification by Volker Armin Hemmann
1 On Sunday 26 June 2011 13:30:41 you wrote:
2 > Believe it or not, this tarball is straight from hell.
3 >
4 > 1. do not tar-bomb. Pack directories not files.
5 > 2. the permissions are a nightmare.
6 > 3. I accidentally unpacked in /tmp and your tarball tried to set UTIME and
7 > the permissions of the parent directory. WTF?
8 > 4. have you checked that the errors you are seeing are really errors?
9 > Just remember that stupidity about 80bit/64bit/128bit floats all around.
10 > 5. http://gcc.gnu.org/wiki/FloatingPointMath
11 >
12 > without additional settings gcc 4.5.2:
13 >
14 > UCBFAIL indicates problems!
15 > /tmp/usbtest/catan_DP.output:UCBFAIL catan_DP.output.tmp 127
16 > /tmp/usbtest/ccos_DP.output:UCBFAIL ccos_DP.output.tmp 127
17 > /tmp/usbtest/cdiv_DP.output:UCBFAIL cdiv_DP.output
18 > /tmp/usbtest/cexp_DP.output:UCBFAIL cexp_DP.output.tmp 127
19 > /tmp/usbtest/cexpm1_DP.output:UCBFAIL cexpm1_DP.output.tmp 127
20 > /tmp/usbtest/cfindpi_DP.output:UCBFAIL cfindpi_DP.output
21 > /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in cabsd at line 701 for double
22 > /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in powd at line 701 for double
23 > /tmp/usbtest/clib_DP.output:UCBFAIL clib_DP.output , 25 out of 25 tests
24 > completed
25 > /tmp/usbtest/clog1p_DP.output:UCBFAIL clog1p_DP.output.tmp 127
26 > /tmp/usbtest/clog_DP.output:UCBFAIL clog_DP.output.tmp 127
27 > /tmp/usbtest/cmul_DP.output:UCBFAIL cmul_DP.output
28 > /tmp/usbtest/cpar_DP.output:UCBFAIL cpar_DP.output
29 > /tmp/usbtest/cpi_DP.output:UCBFAIL cpi_DP.output
30 > /tmp/usbtest/csin_DP.output:UCBFAIL csin_DP.output.tmp 127
31 > /tmp/usbtest/csqr_DP.output:UCBFAIL csqr_DP.output
32
33 ignore those results, were without time.
34
35 with time and additional -frounding-math -fsignaling-nans -fno-builtin"
36
37 UCBFAIL indicates problems!
38 /tmp/usbtest/ccos_DP.output: ucbtest UCBFAIL in COS(X) at line 444 for generic
39 /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in cabsd at line 701 for double
40 /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in powd at line 701 for double
41 /tmp/usbtest/clib_DP.output:UCBFAIL clib_DP.output , 25 out of 25 tests
42 completed
43 /tmp/usbtest/csin_DP.output: ucbtest UCBFAIL in SIN(X) at line 444 for generic
44
45 only 11 out of 14 show UCBPASS!
46
47
48 --
49 #163933

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