#17105: Implement ComplexIntervalFieldElement.__nonzero__
-------------------------------------+-------------------------------------
   Reporter:  cheuberg               |            Owner:
       Type:  defect                 |           Status:  new
   Priority:  major                  |        Milestone:  sage-6.4
  Component:  numerical              |         Keywords:  complex interval,
  Merged in:                         |  CIF
  Reviewers:                         |          Authors:  Clemens Heuberger
Work issues:                         |  Report Upstream:  N/A
     Commit:                         |           Branch:  u/cheuberg/rings
  659240ee11fb81df6f1f377ad0b71aca7b698662|  /CIF-nonzero
   Stopgaps:                         |     Dependencies:
-------------------------------------+-------------------------------------
 In contrast to {{{RealIntervalFieldElement}}},
 {{{ComplexIntervalFieldElement}}} did not implement {{{__nonzero___}}}.

 {{{RealIntervalFieldElement.__nonzero__}}} returns {{{True}}} if it is not
 known to be exactly zero.

 This patch implements the same for {{{ComplexIntervalFieldElement}}}.

--
Ticket URL: <http://trac.sagemath.org/ticket/17105>
Sage <http://www.sagemath.org>
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