#17984: Dedicated RR.__contains__() and CC.__contains__()
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Reporter: rws | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.6
Component: basic arithmetic | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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In the catch-all `structure/parent.pyx:Parent.__contains__` we depend on a
bug to get the right result for, e.g. `sqrt(3) in RR/CC` despite
`bool(RR/CC(sqrt(3))==sqrt(3))` being `False`. In order to fix the bug fix
(in a separate ticket) dedicated `__contains__` methods for both rings are
needed.
Moreover, until now Maxima is used for this which is slow and completely
unnecessary.
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Ticket URL: <http://trac.sagemath.org/ticket/17984>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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