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
On Sunday 26 June 2011 13:30:41 you wrote:
> Believe it or not, this tarball is straight from hell. > > 1. do not tar-bomb. Pack directories not files. > 2. the permissions are a nightmare. > 3. I accidentally unpacked in /tmp and your tarball tried to set UTIME and > the permissions of the parent directory. WTF? > 4. have you checked that the errors you are seeing are really errors? > Just remember that stupidity about 80bit/64bit/128bit floats all around. > 5. http://gcc.gnu.org/wiki/FloatingPointMath > > without additional settings gcc 4.5.2: > > UCBFAIL indicates problems! > /tmp/usbtest/catan_DP.output:UCBFAIL catan_DP.output.tmp 127 > /tmp/usbtest/ccos_DP.output:UCBFAIL ccos_DP.output.tmp 127 > /tmp/usbtest/cdiv_DP.output:UCBFAIL cdiv_DP.output > /tmp/usbtest/cexp_DP.output:UCBFAIL cexp_DP.output.tmp 127 > /tmp/usbtest/cexpm1_DP.output:UCBFAIL cexpm1_DP.output.tmp 127 > /tmp/usbtest/cfindpi_DP.output:UCBFAIL cfindpi_DP.output > /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in cabsd at line 701 for double > /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in powd at line 701 for double > /tmp/usbtest/clib_DP.output:UCBFAIL clib_DP.output , 25 out of 25 tests > completed > /tmp/usbtest/clog1p_DP.output:UCBFAIL clog1p_DP.output.tmp 127 > /tmp/usbtest/clog_DP.output:UCBFAIL clog_DP.output.tmp 127 > /tmp/usbtest/cmul_DP.output:UCBFAIL cmul_DP.output > /tmp/usbtest/cpar_DP.output:UCBFAIL cpar_DP.output > /tmp/usbtest/cpi_DP.output:UCBFAIL cpi_DP.output > /tmp/usbtest/csin_DP.output:UCBFAIL csin_DP.output.tmp 127 > /tmp/usbtest/csqr_DP.output:UCBFAIL csqr_DP.output
ignore those results, were without time. with time and additional -frounding-math -fsignaling-nans -fno-builtin" UCBFAIL indicates problems! /tmp/usbtest/ccos_DP.output: ucbtest UCBFAIL in COS(X) at line 444 for generic /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in cabsd at line 701 for double /tmp/usbtest/clib_DP.output: ucbtest UCBFAIL in powd 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 11 out of 14 show UCBPASS! -- #163933

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