#20261: Conversion of 0 in cyclotomic field fails
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Reporter: fstromberg | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.3
Component: coercion | Resolution:
Keywords: cyclotomic | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by vdelecroix):
Replying to [comment:7 tscrim]:
> Probably the quickest (best?) way around this might be to just special
case 0 in the `_element_constructor_`:
> {{{#!python
> if x == x.parent().zero():
> return self.zero()
> }}}
Even better
{{{#!python
if x.is_rational():
return self(QQ(x))
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/20261#comment:11>
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