#8166: Expose max_weight_matching from NetworkX
-------------------------------+--------------------------------------------
Reporter: ncohen | Owner: rlm
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.4.3
Component: graph theory | Keywords:
Author: Nathann Cohen | Upstream: N/A
Reviewer: Minh Van Nguyen | Merged:
Work_issues: |
-------------------------------+--------------------------------------------
Changes (by newvalueoldvalue):
* reviewer: => Minh Van Nguyen
* author: => Nathann Cohen
Old description:
> Since the new version of NetworkX is being merged into Sage #7608, we
> could use their max matching algorithm. We already have one, though it
> uses Linear Programming and is optional :
>
> The efficiency of these two algorithms have to be compared !
>
> Based upon this, the default behaviour could be :
> * To always use NetworkX
> * Only use it if there is no LP available
> * Not to use it if not asked explicitely
>
> Nathann
New description:
Since the new version of NetworkX is being merged into Sage #7608, we
could use their max matching algorithm. We already have one, though it
uses Linear Programming and is optional :
The efficiency of these two algorithms have to be compared !
Based upon this, the default behaviour could be :
* To always use NetworkX
* Only use it if there is no LP available
* Not to use it if not asked explicitely
'''Apply:'''
1. #8364
1.
[http://trac.sagemath.org/sage_trac/attachment/ticket/8166/trac_8166-rebase.patch
trac_8166-rebase.patch]
--
Comment:
I have attached a rebase of ncohen's patch, rebased on top of #8364. Based
upon that, I did some clean-ups of the changes proposed by ncohen. My
changes are mainly cosmetic clean-ups along the lines of PEP 008. Both
ncohen's patch and my changes are folded into one patch to make it easier
for anyone to give a final review.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8166#comment:4>
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