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 12:03:22
Message-Id: 2057836.K4is2TTT77@localhost
In Reply to: [gentoo-amd64] Possible Math Problem - Request For Verification by Frank Peters
1 Believe it or not, this tarball is straight from hell.
2
3 1. do not tar-bomb. Pack directories not files.
4 2. the permissions are a nightmare.
5 3. I accidentally unpacked in /tmp and your tarball tried to set UTIME and the
6 permissions of the parent directory. WTF?
7 4. have you checked that the errors you are seeing are really errors?
8 Just remember that stupidity about 80bit/64bit/128bit floats all around.
9 5. http://gcc.gnu.org/wiki/FloatingPointMath
10
11 without additional settings gcc 4.5.2:
12
13 UCBFAIL indicates problems!
14 /tmp/usbtest/catan_DP.output:UCBFAIL catan_DP.output.tmp 127
15 /tmp/usbtest/ccos_DP.output:UCBFAIL ccos_DP.output.tmp 127
16 /tmp/usbtest/cdiv_DP.output:UCBFAIL cdiv_DP.output
17 /tmp/usbtest/cexp_DP.output:UCBFAIL cexp_DP.output.tmp 127
18 /tmp/usbtest/cexpm1_DP.output:UCBFAIL cexpm1_DP.output.tmp 127
19 /tmp/usbtest/cfindpi_DP.output:UCBFAIL cfindpi_DP.output
20 /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in cabsd at line 701 for double
21 /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in powd at line 701 for double
22 /tmp/usbtest/clib_DP.output:UCBFAIL clib_DP.output , 25 out of 25 tests
23 completed
24 /tmp/usbtest/clog1p_DP.output:UCBFAIL clog1p_DP.output.tmp 127
25 /tmp/usbtest/clog_DP.output:UCBFAIL clog_DP.output.tmp 127
26 /tmp/usbtest/cmul_DP.output:UCBFAIL cmul_DP.output
27 /tmp/usbtest/cpar_DP.output:UCBFAIL cpar_DP.output
28 /tmp/usbtest/cpi_DP.output:UCBFAIL cpi_DP.output
29 /tmp/usbtest/csin_DP.output:UCBFAIL csin_DP.output.tmp 127
30 /tmp/usbtest/csqr_DP.output:UCBFAIL csqr_DP.output
31
32
33
34
35
36
37 --
38 #163933

Replies

Subject Author
Re: [gentoo-amd64] Possible Math Problem - Request For Verification Volker Armin Hemmann <volkerarmin@××××××××××.com>
Re: [gentoo-amd64] Possible Math Problem - Request For Verification Frank Peters <frank.peters@×××××××.net>