#15143: Improvements to SetPartitions
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Reporter: tscrim | Owner: sage-combinat
Type: | Status: positive_review
enhancement | Milestone: sage-5.13
Priority: major | Resolution:
Component: | Merged in:
combinatorics | Reviewers: Darij Grinberg, Mike Zabrocki
Keywords: | Work issues:
Authors: Travis | Commit:
Scrimshaw | Stopgaps:
Report Upstream: N/A |
Branch: |
Dependencies: #14234 |
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Changes (by darij):
* status: needs_work => positive_review
Old description:
> This ticket does the following:
>
> - Creates a class for all set partitions.
> - Allows equality between different set partitions of different parents.
> - Implements a total ordering on set partitions based upon ordering the
> parts.
> - Implements a fully consistent string representation.
> - Adds multiple methods, including accessing the base set for the set
> partition.
>
> Apply: [attachment:trac_15143-set_partitions-folded-ts.patch]
New description:
This ticket does the following:
- Creates a class for all set partitions.
- Allows equality between different set partitions of different parents.
- Implements a total ordering on set partitions based upon ordering the
parts.
- Implements a fully consistent string representation.
- Adds multiple methods, including accessing the base set for the set
partition.
Apply: [attachment:trac_15143-set_partitions-folded-ts.2.patch]
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Ticket URL: <http://trac.sagemath.org/ticket/15143#comment:26>
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