#10817: implementation of the generalized associahedron as a polyhedral complex
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Reporter: stumpc5 | Owner:
Type: enhancement | Status:
positive_review
Priority: major | Milestone: sage-5.0
Component: combinatorics | Keywords:
associahedra
Work_issues: | Upstream: N/A
Reviewer: Frédéric Chapoton, Nicolas M. Thiéry | Author:
Christian Stump
Merged: | Dependencies:
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Changes (by nthiery):
* status: needs_review => positive_review
Comment:
Replying to [comment:25 stumpc5]:
> Replying to [comment:24 nthiery]:
> > Replying to [comment:23 stumpc5]:
> > Then the result should be sorted according to their string
> > representation, and string comparison should be platform independent.
>
> Done
Thanks! Positive review, assuming the tests pass.
> how can I know that string representations should be platform
independent and some others aren't?
Because:
- I am amost certain that Python compares strings lexicographically (it
does for e.g. tuples; see http://docs.python.org/library/stdtypes.html;
it's certainly specified somewhere for strings too)
- The Inequality class implements _repr_ independently of the platform
- On the other hand, this class does not implement __cmp__, so its
behavior is unspecified. And likely to be platform dependent.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10817#comment:26>
Sage <http://www.sagemath.org>
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