#11529: Rooted trees
-------------------------------------+-------------------------------------
Reporter: hivert | Owner: hivert
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.6
Component: combinatorics | Resolution:
Keywords: rooted trees | Merged in:
Authors: Florent Hivert | Reviewers: Frédéric Chapoton,
Report Upstream: N/A | Darij Grinberg, Travis Scrimshaw
Branch: | Work issues:
public/combinat/11529 | Commit:
Dependencies: #11407 | 554020502657566ed334823ac0d36e39b2fcb22d
| Stopgaps:
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Comment (by tscrim):
Replying to [comment:46 darij]:
> The changes look OK to me (except I still don't understand the
> {{{
> if not (children.__class__ is self.__class__
> and children.parent() == parent):
> }}}
> check).
That is making sure that the children are also rooted subtrees of the same
parent (you can think of it like a linked list, but instead of a separate
class for nodes, it links to a smaller list).
> Thank you for looking at this, Travis!
The least I could do.
--
Ticket URL: <http://trac.sagemath.org/ticket/11529#comment:47>
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