#19567: Using elements of universal cyclotomic field and symbolic ring silently
produces garbage
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       Reporter:  switzel                        |        Owner:
           Type:  defect                         |       Status:  new
       Priority:  major                          |    Milestone:  sage-6.10
      Component:  number fields                  |   Resolution:
       Keywords:  cyclotomic field, symbolic     |    Merged in:
  ring                                           |    Reviewers:
        Authors:                                 |  Work issues:
Report Upstream:  N/A                            |       Commit:
         Branch:                                 |     Stopgaps:
   Dependencies:                                 |
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Comment (by nbruin):

 It's an off-by-one error in loop bounds:
 {{{
 sage: 1+UCF.4
 1 + E(4)
 sage: (1+UCF.4)._symbolic_(SR)
 I
 }}}
 The routine lives in `sage/rings/universal_cyclotomic_field.py` and the
 range should be `range(k)` rather than `range(1,k)` there.

--
Ticket URL: <http://trac.sagemath.org/ticket/19567#comment:1>
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