#19999: infinite recursion creating certain asymptotic expansion
-------------------------------------+-------------------------------------
       Reporter:  dkrenn             |        Owner:
           Type:  defect             |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-7.1
      Component:  asymptotic         |   Resolution:
  expansions                         |    Merged in:
       Keywords:                     |    Reviewers:
        Authors:  Benjamin Hackl     |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:  u/behackl/exp-     |  b506dff52dc57995e229f57144f280516c0b6b8b
  growth-inf-loop                    |     Stopgaps:
   Dependencies:                     |
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Comment (by behackl):

 Replying to [comment:10 dkrenn]:
 > Replying to [comment:8 behackl]:
 > >
 
||[http://git.sagemath.org/sage.git/commit/?id=c023a81fc39966b870d467382a66dab94d1d52b0
 c023a81]||{{{let (-q)^x and q^x be incomparable}}}||
 >
 > I believe the `-other.base` in
 > {{{
 > return bool(abs(self.base) <= abs(other.base)) and \
 >        bool(self.base != -other.base)
 > }}}
 > is not general enough (you could have complex bases as well).
 > Why not
 > {{{
 > bool(abs(self.base) < abs(other.base)) or bool(self.base == other.base)
 > }}}
 > ?

 Yep, I was thinking of reals a bit too much; I'll change the statement.

--
Ticket URL: <http://trac.sagemath.org/ticket/19999#comment:11>
Sage <http://www.sagemath.org>
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