Hi Minh,
> This release incorporates many combinatorics tickets positively
> reviewed during and/or before Sage Days 20.
> * The following tests failed on sage.math:
>
> sage -t -long devel/sage/sage/categories/finite_semigroups.py # 2
> doctests failed
> sage -t -long devel/sage/sage/categories/examples/finite_semigroups.py
> # 1 doctests failed
I investigated shortly about those two:
**********************************************************************
File
"/mnt/usb1/scratch/hivert/sage-4.3.4.alpha0-sage.math.washington.edu-x86_64-Linux/devel/sage-main/sage/categories/examples/finite_semigroups.py",
line 75:
sage: S.j_transversal_of_idempotents()
Expected:
['acb', 'ac', 'ab', 'bc', 'a', 'c', 'b']
Got:
['a', 'acb', 'ac', 'ab', 'cb', 'c', 'b']
**********************************************************************
sage -t "devel/sage-main/sage/categories/finite_semigroups.py"
**********************************************************************
File
"/mnt/usb1/scratch/hivert/sage-4.3.4.alpha0-sage.math.washington.edu-x86_64-Linux/devel/sage-main/sage/categories/finite_semigroups.py",
line 232:
sage: sorted(S.j_transversal_of_idempotents())
Expected:
['a', 'ab', 'ac', 'acb', 'b', 'bc', 'c']
Got:
['a', 'ab', 'ac', 'acb', 'b', 'c', 'cb']
**********************************************************************
File
"/mnt/usb1/scratch/hivert/sage-4.3.4.alpha0-sage.math.washington.edu-x86_64-Linux/devel/sage-main/sage/categories/finite_semigroups.py",
line 198:
sage: S.j_classes()
Expected:
[['acb', 'cab', 'bca', 'abc', 'bac', 'cba'], ['ac', 'ca'],
['ab', 'ba'], ['bc', 'cb'], ['a'], ['c'], ['b']]
Got:
[['a'], ['acb', 'cba', 'bca', 'abc', 'bac', 'cab'], ['ac', 'ca'], ['ab',
'ba'], ['cb', 'bc'], ['c'], ['b']]
**********************************************************************
Those failure are all because of an arbitrary choice which seem to depend on
sage version/achitecture/whatever... I'm making a patch to solve those.
Cheers,
Florent
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