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From: | Don Ward |
Subject: | Re: [Discuss-gnuradio] Make Check Failures under FC9 on Intel |
Date: | Tue, 1 Jul 2008 17:06:57 -0400 |
Eric Blossom wrote:
On Wed, Jun 18, 2008 at 01:53:33PM -0400, Suprin, Charles E. wrote:Eric, Looks like the current compiler in g++ --version g++ (GCC) 4.3.0 20080428 (Red Hat 4.3.0-8) Copyright (C) 2008 Free Software Foundation, Inc. I saw the earlier traffic that discussed a compile problem from around June 2 2008. However now we pass compile and fail the checks. CharlesI supect a compiler bug. Here's the list of bugs fixed from 4.3.0 to 4.3.1 http://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&resolution=FIXED&target_milestone=4.3.1 I suggest testing with gcc 4.3.1 and see if the problem is stillthere. If it's gone, problem solved, otherwise there's more sleuthing to do.
I ran into this today with gcc 4.3.1 on Debian (testing). Line 101 of qa_gr_fxpt_nco.cc
new_nco.sincos ((gr_complex*)new_block, SIN_COS_BLOCK_SIZE);only fills the first 1696 members of new_block (though SIN_COS_BLOCK_SIZE = 100000). Adding printf statements to new_nco.sincos or compiling qa_gr_fxpt_nco.cc with -O1 makes the problem go away.
-- Don W.
-----Original Message----- From: Eric Blossom [mailto:address@hidden Sent: Wednesday, June 18, 2008 1:43 PM To: Suprin, Charles E. Cc: address@hidden Subject: Re: [Discuss-gnuradio] Make Check Failures under FC9 on Intel On Wed, Jun 18, 2008 at 11:18:47AM -0400, Suprin, Charles E. wrote: > Hello, > > I am attempting to install and compile the svn version 8598 version of > gnuradio on a Fedora 9 Pentium 4. It compiles fine but throws errors > during make check. > > !!!FAILURES!!! > > Test Results: > > Run: 90 Failures: 1 Errors: 0 > > 1) test: qa_gr_fxpt_nco::t1 (F) line: 101 qa_gr_fxpt_nco.cc > > double equality assertion failed > > - Expected: -0.857728600502014 > > - Actual : 0 > > - Delta : 9.99999974737875e-06 > > > > It seems there is an issue both in how it computes the actual and the > Delta. > > > > A few quick Google searches and scanning the mailing list did not show > any one else having the issue. > > > > Is anyone else having this issue? > Charles I believe I saw this or something like it when I tested with gcc 4.3.0 a few months ago. I didn't worry too much about it since the list of known bugs for the compiler was pretty long, and this was the first release of 4.3.0 What version of g++ is shipping with F9? $ g++ --version Eric_______________________________________________ Discuss-gnuradio mailing list address@hidden http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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