#8028: Improvements to element_wrapper
---------------------------------+------------------------------------------
Reporter: nthiery | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.3.2
Component: combinatorics | Keywords: ElementWrapper, partial order
Author: Nicolas M. Thiéry | Upstream: N/A
Reviewer: Florent Hivert | Merged:
Work_issues: |
---------------------------------+------------------------------------------
Changes (by nthiery):
* status: new => needs_review
Old description:
> Improvements to element_wrapper:
>
> - Don't define __cmp__ by default to not force a total order on
> subclasses
> - Define __lt__ to have elements incomparable by default
> - Provide alternative implementations as _cmp_by_value, _lt_by_value
> - Update accordingly:
> - FiniteSemigroups().example
> - Misc polishing (copyright header, whitespace, ...)
>
> This will be used by upcoming patches for crystals, ...
New description:
Improvements to element_wrapper:
- Do not define __cmp__ by default to not force a total order on
subclasses
- Define __lt__ to have elements incomparable by default
- Provide alternative implementations as _cmp_by_value, _lt_by_value
- Update accordingly:
- FiniteSemigroups().example(), FiniteCoxeterGroups().example()
- Misc polishing (copyright header, whitespace, ...)
This will be used by upcoming patches for crystals, ...
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8028#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/sage-trac?hl=en.
