#20288: Arithmetic in QQbar mutates elements
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: minor | Milestone: sage-7.2
Component: number theory | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by vdelecroix):
Simpler example
{{{
sage: a = AA(3).sqrt() + AA(2).sqrt() - AA(3).sqrt() - AA(2).sqrt()
sage: a
0.?e-18
sage: a == 0
True
sage: a
0
}}}
But what is wrong with it? It is just a change in the display? You think
that we should have a string representation that is independent of what is
known about the number?
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Ticket URL: <http://trac.sagemath.org/ticket/20288#comment:2>
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