#6428: Large exponents overflow to negative in polydict ring
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   Reporter:  broune               |       Owner:  tbd         
       Type:  defect               |      Status:  needs_review
   Priority:  major                |   Milestone:  sage-4.3.1  
  Component:  commutative algebra  |    Keywords:              
Work_issues:                       |      Author:              
   Upstream:  N/A                  |    Reviewer:              
     Merged:                       |  
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Comment(by was):

 > This patch simply reports an error if this happens. I thought the
 polydict
 > ring was supposed to allow arbitrary precision exponents.

 Since in the entire Cython implementation of polydict, the exponents are
 represented internally as C ints there is no way it is supposed to
 represent arbitrary precision exponents.   One could write something that
 does arbitrary exponents, but that ETuple stuff simply isn't such a thing.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6428#comment:7>
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