#16769: Conversion RR -> QQ wrong for exact integers
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.4
Component: basic arithmetic | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by jdemeyer):
Replying to [comment:3 ajagekar.akshay]:
> {{{ RR(2^54) }}} is an exact integer although not an instance of
{{{Integer}}} here. Conversion of {{{RealNumber}}} to {{{Rational}}}
should yield its integral value. What if we check whether {{{RR(2^54)}}}
or any {{{RealNumber}}} in general is an exact integer before returning it
as {{{Rational}}} ?
That would solve this particular case but I'm doubting if that is general
enough.
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Ticket URL: <http://trac.sagemath.org/ticket/16769#comment:4>
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