* Adrian Bunk <b...@debian.org> [2017-08-07 01:57]:
Source: octave-image Version: 2.6.1-1 Severity: serious Tags: buster sid Some recent change in unstable and buster makes octave-image FTBFS on i386: https://tests.reproducible-builds.org/debian/history/octave-image.html https://tests.reproducible-builds.org/debian/rb-pkg/unstable/i386/octave-image.html ... Checking CC files ... warning: function /build/1st/octave-image-2.6.1/inst/private/iscolormap.m shadows a core library function warning: called from /tmp/filePMKFm8 at line 1 column 1 [__spatial_filtering__] PASSES 21 out of 21 tests [graycomatrix] PASSES 2 out of 2 tests [watershed] ***** test im = [ 2 3 30 2 3 30 3 30 255 31 30 4 2 255 31 30 1 2 255 5]; labeled8 = [ 1 1 0 3 1 1 0 3 0 0 0 0 2 2 0 4 2 2 0 4]; assert (watershed (im), labeled8); assert (watershed (im, 8), labeled8); !!!!! test failed ASSERT errors for: assert (watershed (im),labeled8) Location | Observed | Expected | Reason (3,4) 3 0 Abs err 3 exceeds tol 0 (4,4) 0 4 Abs err 4 exceeds tol 0 [bwdist] Sat Sep 8 05:36:25 UTC 2018 - pbuilder was killed by timeout after 18h.
I would guess that the culprit is the following unit test in bwdist: ## The quasi-euclidean method is apparently sensitive to a machine precision ## error that happens in x86 systems only. This test will cause an endless ## loop in case of a regression. %!test %! bw = [ 0 1 1 0 0 0 1 0 %! 0 0 0 0 0 0 0 0 %! 1 1 0 0 0 0 0 0 %! 0 0 0 0 0 0 1 0 %! 0 0 0 0 1 0 0 1 %! 0 0 0 0 0 0 0 0 %! 1 0 0 0 0 0 0 0 %! 0 0 1 0 0 1 1 0]; %! out = single ([ %! 1.00000 0.00000 0.00000 1.00000 2.00000 1.00000 0.00000 1.00000 %! 1.00000 1.00000 1.00000 sqrt(2) sqrt(2)+1 sqrt(2) 1.00000 sqrt(2) %! 0.00000 0.00000 1.00000 2.00000 2.00000 sqrt(2) 1.00000 sqrt(2) %! 1.00000 1.00000 sqrt(2) sqrt(2) 1.00000 1.00000 0.00000 1.00000 %! 2.00000 2.00000 2.00000 1.00000 0.00000 1.00000 1.00000 0.00000 %! 1.00000 sqrt(2) 2.00000 sqrt(2) 1.00000 sqrt(2) sqrt(2) 1.00000 %! 0.00000 1.00000 1.00000 sqrt(2) sqrt(2) 1.00000 1.00000 sqrt(2) %! 1.00000 1.00000 0.00000 1.00000 1.00000 0.00000 0.00000 1.00000 %! ]); %! assert (bwdist (bw, "quasi-euclidean"), out); Should we run the test above only on non-x86 architectures? Rafael
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