#6870: [with third patch, needs review] Bug in binomial
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 Reporter:  hgranath          |       Owner:  somebody  
     Type:  defect            |      Status:  new       
 Priority:  minor             |   Milestone:  sage-4.1.2
Component:  basic arithmetic  |    Keywords:  binomial  
 Reviewer:                    |      Author:            
   Merged:                    |  
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Comment(by hgranath):

 I really have no idea what to do. So assume we have something like

 {{{
 if isinstance(x,Expression):
 }}}

 then what to do? We have no idea at this point if x happens to be
 something
 like SR(10**7) or n+1, and we will not know until we try x=ZZ(x). If
 that try should fail, it is already too late to avoid the time penalty
 that is the point of this discussion.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6870#comment:8>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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