#20494: Poset is_chain_of_poset(): error checking and saturated-keyword
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Reporter: jmantysalo | Owner:
Type: defect | Status: needs_info
Priority: major | Milestone: sage-7.3
Component: combinatorics | Resolution:
Keywords: | Merged in:
Authors: Jori Mäntysalo | Reviewers: Travis Scrimshaw
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jmantysalo/saturated_chain | efe83f037d5ebbaec63549945c8b416df5d30326
Dependencies: | Stopgaps:
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Comment (by jmantysalo):
Replying to [comment:11 kdilks]:
> I'm thinking we just find a way to make the code handle all three
boolean options. Though I would call the third option {{{strict=True}}},
with {{{strict=False}}} corresponding to multichains.
But how to resolve the problem with current `ordered`-option that makes
two different things? We do not want to make an option that will change
default value depending on other parameter? Or do we - have `strict=None`
as a default. Sounds odd to me...
> Another thing to consider would be to add functions that take an
unordered chain and return the ordered list, take a multichain and return
the underlying strict chain, etc.
I did #20934 for that.
--
Ticket URL: <https://trac.sagemath.org/ticket/20494#comment:12>
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