[Pkg-octave-devel] Unit test bug in octave-signal
Oliver Heimlich
oheim at posteo.de
Sun Nov 5 10:20:54 UTC 2017
On 05.11.2017 09:14, Rafael Laboissière wrote:
> Version 1.3.2-3 of the octave-signal, uploaded yesterday to unstable,
> builds correctly on i386. However, in order to achieve that, the first
> unit test of function fir2 had to be bypassed [*]:
>
> #######################################
> ***** xtest
> f = [0 0.6 0.6 1]; m = [1 1 0 0];
> b9 = fir2 (30, f, m, 9);
> b16 = fir2 (30, f, m, 16);
> b17 = fir2 (30, f, m, 17);
> b32 = fir2 (30, f, m, 32);
> assert ( isequal (b9, b16))
> assert ( isequal (b17, b32))
> assert (~isequal (b16, b17))
> !!!!! known failure
> assert (isequal (b9, b16)) failed
> #######################################
>
> This is a highly strange bug that I cannot replicate on my i386 chroot
> (running on an amd64 system). If someone has access to a native i386
> system and could track down the problem, I would be grateful.
>
> Rafael
>
> [*]
> https://buildd.debian.org/status/fetch.php?pkg=octave-signal&arch=i386&ver=1.3.2-3&stamp=1509837814&raw=0
It might be completely unrelated, but I am also seeing arithmetic
problems in Debian's i386 environment that I cannot reproduce locally.
#######################################
>>>>> processing crlibm.tst
***** test verify ("cos", -inf, testdata.cos_rd);
!!!!! test failed
ASSERT errors for: assert (crlibm_function (fname, rnd,
data.input),data.output)
Location | Observed | Expected | Reason
(23) -0.99317 -0.99317 Abs err 9.5598e-09 exceeds tol 0
(52) 0.47749 0.4775 Abs err 1.6549e-05 exceeds tol 0
(82) -0.11467 -0.11467 Abs err 2.1834e-07 exceeds tol 0
(89) 0.69068 0.69068 Abs err 1.3685e-06 exceeds tol 0
#######################################
https://tests.reproducible-builds.org/debian/rbuild/unstable/i386/octave-interval_2.1.0-2.rbuild.log
Now I am also thinking about making this an “xtest”, since the package
may handle it at runtime if the error persists on the user's system.
Oliver
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