Opened 4 years ago
Last modified 4 years ago
#22960 new defect
RealLazyField() and ComplexLazyField() are inexact rings
Reported by: | tmonteil | Owned by: | |
---|---|---|---|
Priority: | major | Milestone: | sage-8.0 |
Component: | numerical | Keywords: | |
Cc: | Merged in: | ||
Authors: | Thierry Monteil | Reviewers: | |
Report Upstream: | N/A | Work issues: | |
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description
RealLazyField()
and ComplexLazyField()
claim to be exact, but they are not:
sage: RLF.is_exact() True sage: a = RLF(0.1) ; a 0.10000000000000001? sage: a._value 0.100000000000000 sage: a._value.parent() Real Field with 53 bits of precision
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Note that the doc of
RLF
itself claims to be exact.