#5386: [with patch, needs review] simplicial complexes and their homology
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Reporter: jhpalmieri | Owner: jhpalmieri
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.4.2
Component: misc | Keywords:
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Comment(by hivert):
Hi there,
Replying to [comment:1 was]:
> AttributeError: __len__ has been removed; use .cardinality() instead
I found this one by googling through trac... This is due to #5308. See my
comments there and on http://wiki.sagemath.org/sage-3.4.1 why we had to
raise an error instead of issuing a deprecated warning.
The fix is simple enough: as said in the error message to compute the
number of {{{maximal_faces}}} you should ask
{{{maximal_faces.cardinality()}}} which returns an arbitrary large sage
integer and not call {{{len}}} which is specified to return a plain
machine int.
Cheers,
Florent
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5386#comment:2>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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