Great, thanks! I now added a _latex_ method to FinitePosets. However, without
my patch
applied I get doc test failures in /combinat/posets/posets.py which did not
happen
before. Did something substantial change that causes these failures?
Cheers,
Anne
posets anne$ hg qtop
trac_9280-graded-algebras-example.patch
lolita-3:posets anne$ sage -t posets.py
sage -t "devel/sage-combinat/sage/combinat/posets/posets.py"
**********************************************************************
File
"/Applications/sage-5.0.beta3/devel/sage-combinat/sage/combinat/posets/posets.py",
line 1428:
sage: P = Posets.SymmetricGroupBruhatOrderPoset(4)
Exception raised:
Traceback (most recent call last):
File "/Applications/sage-5.0.beta3/local/bin/ncadoctest.py", line 1231,
in run_one_test
self.run_one_example(test, example, filename, compileflags)
File "/Applications/sage-5.0.beta3/local/bin/sagedoctest.py", line 38, in
run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File "/Applications/sage-5.0.beta3/local/bin/ncadoctest.py", line 1172,
in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_38[6]>", line 1, in <module>
P = Posets.SymmetricGroupBruhatOrderPoset(Integer(4))###line 1428:
sage: P = Posets.SymmetricGroupBruhatOrderPoset(4)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/combinat/posets/poset_examples.py",
line 388, in SymmetricGroupBruhatOrderPoset
for s in Permutations(n)]),element_labels)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/combinat/posets/posets.py",
line 363, in Poset
return FinitePoset(D,elements, category = category, facade = facade,
key = key)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/misc/classcall_metaclass.py",
line 276, in __call__
return cls.__classcall__(cls, *args, **options)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/combinat/posets/posets.py",
line 532, in __classcall__
category = category, facade = facade, key = key)
File "cachefunc.pyx", line 568, in
sage.misc.cachefunc.CachedFunction.__call__ (sage/misc/cachefunc.c:2396)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/graphs/generic_graph.py",
line 181, in __hash__
return hash((tuple(self.vertices()), tuple(self.edges())))
TypeError: unhashable type: 'dict'
**********************************************************************
File
"/Applications/sage-5.0.beta3/devel/sage-combinat/sage/combinat/posets/posets.py",
line 1430:
sage: [(v,P.rank(v)) for v in P]
Expected:
[(1234, 0),
(1324, 1),
...
(4231, 5),
(4321, 6)]
Got:
[(0, 0), (1, 1), (2, 1), (4, 2), (5, 2), (3, 1), (6, 2), (7, 3)]
**********************************************************************
1 items had failures:
2 of 9 in __main__.example_38
***Test Failed*** 2 failures.
For whitespace errors, see the file /Users/anne/.sage//tmp/posets_2310.py
[10.9 s]
----------------------------------------------------------------------
The following tests failed:
sage -t "devel/sage-combinat/sage/combinat/posets/posets.py"
Total time for all tests: 11.0 seconds
On 2/17/12 11:25 AM, Nicolas M. Thiery wrote:
> On Fri, Feb 17, 2012 at 12:41:27AM -0800, Anne Schilling wrote:
>> Do posets have a latex method? Or can they only be viewed using .show()?
>
> Apparently not:
>
> sage: P = Posets().example()
> sage: P._latex_
> ...
> AttributeError: 'FiniteSetsOrderedByInclusion_with_category' object has
> no attribute '_latex_'
>
> I have the following in my .sage/init.sage:
>
> view_std = view
> def view(x, **options):
> options["tightpage"] = True
> options["pdflatex"] = True
> if x in Crystals():
> x = x.digraph()
> if x in Posets().Finite():
> x = x.hasse_diagram()
> if isinstance(x, DiGraph):
> latex_options = {'format': "dot2tex",
> 'edge_labels':True,'color_by_label':{1:"blue", 2:"red", 3:"green",
> 4:"yellow",-1:"blue", -2:"red", -3:"green",-4:"yellow"}, 'edge_options':
> lambda (u,v,l): {'backward': l is not None and l>0}}
> if x._latex_opts is not None:
> latex_options.update(x._latex_opts._options)
> x = copy(x)
> x.set_latex_options(**latex_options)
> view_std(x, **options)
>
> You might recognize the typical applications :-)
>
> Cheers,
> Nicolas
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