#17984: Dedicated RR.__contains__() and CC.__contains__()
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Reporter: rws | Owner:
Type: | Status: needs_review
enhancement | Milestone: sage-6.6
Priority: major | Resolution:
Component: basic | Merged in:
arithmetic | Reviewers:
Keywords: | Work issues:
Authors: Ralf | Commit:
Stephan | 544450ea18ed2778953141bab8feced61237556e
Report Upstream: N/A | Stopgaps:
Branch: |
u/rws/17984 |
Dependencies: |
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Comment (by pbruin):
Replying to [comment:17 rws]:
> I'm still pondering if this doctest is wrong:
> {{{
> sage: pi in RIF # there is no element of RIF equal to pi
> False
> }}}
The answer `False` seems correct to me. The only numbers that can be
represented exactly in `RIF` (i.e. as intervals of length 0) are elements
of '''Z'''[1/2].
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Ticket URL: <http://trac.sagemath.org/ticket/17984#comment:18>
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