#9109: Fast cython class for maps between finite sets.
----------------------------------------------+-----------------------------
Reporter: hivert | Owner: hivert
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.7
Component: combinatorics | Keywords: finite sets map
Author: Florent Hivert | Upstream: N/A
Reviewer: Mike Hansen, Nicolas M. Thiéry | Merged:
Work_issues: |
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Old description:
> The patch implement fast Cython classes to deals with maps between finite
> sets. The goal in particular is to allows to build very easily submonoid
> of
> the monoid of function from one set to itself.
>
> See for example class NDPFMonoidPosetNewSet in
> [http://combinat.sagemath.org/hgwebdir.cgi/patches/file/tip
> /parking_functions_posets-fh.patch#l1 parking_functions_posets-fh.patch]
>
> '''Apply:'''
> 1. [attachment:trac_9109-finite_set_maps-fh.patch]
>
> '''Dependencies:''' #8702
New description:
The patch implements fast Cython classes for maps between finite sets. The
goal in particular is to allow for building easily submonoids of the
monoid of all maps from one set to itself.
See for example class NDPFMonoidPosetNewSet in
[http://combinat.sagemath.org/hgwebdir.cgi/patches/file/tip
/parking_functions_posets-fh.patch#l1 parking_functions_posets-fh.patch]
'''Apply:'''
1. [attachment:trac_9109-finite_set_maps-fh.patch]
'''Dependencies:''' #8702
--
Comment(by nthiery):
We discussed the design quite some with Florent, and used the code
intensively over the last month. It's a useful addition! Thanks!
Florent: please check the small reviewer patch on the Sage-Combinat queue.
If the changes are ok with you, you can fold/upload and set a positive
review on my behalf.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9109#comment:9>
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