Opened 8 years ago
Closed 8 years ago
#15004 closed defect (duplicate)
comparison of Infinity and RealIntervalField-Element
Reported by: | dkrenn | Owned by: | |
---|---|---|---|
Priority: | major | Milestone: | sage-duplicate/invalid/wontfix |
Component: | symbolics | Keywords: | infinity realintervalfield rif compare |
Cc: | Merged in: | ||
Authors: | Reviewers: | Travis Scrimshaw | |
Report Upstream: | N/A | Work issues: | |
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description (last modified by )
The comparisonsage
sage: oo < RIF(2) True
gives the wrong result, since this should be False
.
Change History (5)
comment:1 Changed 8 years ago by
- Milestone changed from sage-6.1 to sage-6.2
comment:2 Changed 8 years ago by
comment:3 Changed 8 years ago by
- Milestone changed from sage-6.2 to sage-duplicate/invalid/wontfix
- Status changed from new to needs_review
#13125 changes this to:
sage: oo < RIF(2), oo <= RIF(2), oo == RIF(2) (False, False, False) sage: oo < RIF(2,oo), oo <= RIF(2,oo), oo == RIF(2,oo) (False, True, True)
I propose to close this ticket as duplicate.
comment:4 Changed 8 years ago by
- Description modified (diff)
- Reviewers set to Travis Scrimshaw
- Status changed from needs_review to positive_review
Agreed.
comment:5 Changed 8 years ago by
- Resolution set to duplicate
- Status changed from positive_review to closed
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Comparisons need to be defined for all values of a type to leverage the coercion system. What is the expected output of comparison with an RIF interval that includes infinity?