#12718: polynomial substitution overflow hell (libsingular bug?)
-------------------------------------+-------------------------------------
       Reporter:  was                |        Owner:  malb
           Type:  defect             |       Status:  needs_review
       Priority:  critical           |    Milestone:  sage-6.3
      Component:  commutative        |   Resolution:
  algebra                            |    Merged in:
       Keywords:  sd59               |    Reviewers:  Volker Braun, William
        Authors:  Martin Albrecht    |  Stein
Report Upstream:  N/A                |  Work issues:
         Branch:  u/malb/trac_12718  |       Commit:
   Dependencies:                     |  18ddc6dec77d39d764dcaa9fbdbe91adf02bfbbc
                                     |     Stopgaps:
-------------------------------------+-------------------------------------
Changes (by malb):

 * status:  needs_work => needs_review


Comment:

 Okay, figured out what went wrong:

 * the doctest failure Volker posted was missed because I ran my last tests
 on 32-bit not on 64-bit, but it only shows on 64-bit
 * the other doctest failures were introduced in my last - seemingly
 innocent - fix

 I've addressed these and ran doctests on one 64-bit and one 32-bit system.
 They passed.

--
Ticket URL: <http://trac.sagemath.org/ticket/12718#comment:26>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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