[Pkg-octave-devel] Bug#874116: Bug#874116: Bug#874116: octave-tisean FTBFS on !amd64: test failure

[Adrian Bunk]

On Sun, Sep 03, 2017 at 05:52:26PM +0200, Rafael Laboissière wrote:
> Hi Adrian,
> 
> * Rafael Laboissière <rafael at debian.org> [2017-09-03 16:40]:
> 
> > Control: tags -1 confirmed
> > 
> > * Adrian Bunk <bunk at debian.org> [2017-09-03 16:10]:
> > 
> > > Source: octave-tisean
> > > Version: 0.2.3-1
> > > Severity: important
> > > 
> > > https://buildd.debian.org/status/package.php?p=octave-tisean&suite=sid
> > > 
> > > ... Summary: 162 tests, 125 passed, 0 known failures, 0 skipped
> > > /usr/share/cdbs/1/class/octave-pkg.mk:108: recipe for target
> > > 'check-pkg' failed make: *** [check-pkg] Error 1
> > 
> > Thanks for the bug report.  This is the first "victim" of the new
> > version octave-pkg-dev.  In this version, unit tests are run in verbose
> > mode and the check-pkg script exit with a error code when there are unit
> > test failures.
> > 
> > I will take a look on this.
> 
> It seems that many of the unit test failures happen when the function henon
> is involved.  This function computes the Henon map with a default transient
> initial period of 10000 samples.  The computation in the henon function is
> iterative and my guess is that the results are sensitive to the
> architecture-specific floating point representation.  Would -ffloat-store
> help here?

-ffloat-store sometimes matters on i386, but on most architectures it 
is a complete nop.

> Rafael

cu
Adrian

-- 

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