#14333: singular-3-1-6 is out
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       Reporter:  Snark               |        Owner:  tbd
           Type:  defect              |       Status:  new
       Priority:  major               |    Milestone:  sage-5.13
      Component:  packages: standard  |   Resolution:
       Keywords:  spkg, sd53          |    Merged in:
        Authors:  Burcin Erocal       |    Reviewers:
Report Upstream:  N/A                 |  Work issues:
         Branch:                      |       Commit:
   Dependencies:  #13770              |     Stopgaps:
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Comment (by jmantysalo):

 FYI: There is still bug in Singular 3.1.6. At least this one sometimes
 (say once for every five tries) fails to factorize:

 {{{
 (-4*c*d + 8*d^2 + 12*f^2 + 8*a)*(8*b*c - 12*c + 4*f)*(3*a*c + 3*b*c -
 3*a*d + 33*d^2 - 3*f)*(-4*a*b - 4*b*d + 140*d^2 - 4*d*f - 4*a)*(4*a*b -
 8*b*d - 12*d^2 - 12*c*f - 8)*(-21*b*c - 3*b*d - 222*d^2 - 6*d*f -
 39*f)*(16*a*d + 128*b*d - 2)*(8*b*c + 4*c^2 - 4*b*f + 12*f)*(4*a*b + 4*b*c
 - 2*a*f + 6*f^2 - 2*b)*(-48*b^2 + 8*c*d + 144*c)*(-3*b^2 + 4*c^2 - b*d +
 f^2 + 3*a)*(4*c^2 + 4*b*d - 4*d^2 + 12*a*f)
 }}}

 I have already reported this, and version 4.0 should contain correction.

--
Ticket URL: <http://trac.sagemath.org/ticket/14333#comment:19>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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