#18980: upgrade to Pynac-0.3.9.4
-------------------------------------+-------------------------------------
       Reporter:  rws                |        Owner:
           Type:  defect             |       Status:  needs_work
       Priority:  major              |    Milestone:  sage-6.9
      Component:  packages:          |   Resolution:
  standard                           |    Merged in:
       Keywords:                     |    Reviewers:
        Authors:  Ralf Stephan       |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  06c9f882dc80b488adc04b4aa14d43473bce71a0
  u/rws/upgrade_to_pynac_0_3_9_3     |     Stopgaps:
   Dependencies:  #19040             |
-------------------------------------+-------------------------------------
Description changed by rws:

Old description:

> The new version claims:
>
> * fix regression in arithmetic with positive characteristic ring elements
> (comment 17 of #18787)
> * better decisions through more info flags and logic (#18883)
> * return `not implemented` and `undecidable` for some decisions (part of
> #17700)
> * fix performance issue with `real`/`imag` of powers (#18952)
> * more rational multiples of pi as argument to `sin`,`cos`,`tan` expanded
> (#18954)
>
> https://github.com/pynac/pynac/releases/download/pynac-0.3.9.3/pynac-0.3.9.3.tar.bz2

New description:

 The new version claims:

 * fix regression in arithmetic with positive characteristic ring elements
 (comment 17 of #18787)
 * fix performance issue with `real`/`imag` of powers (#18952)
 * more rational multiples of pi as argument to `sin`,`cos`,`tan` expanded
 (#18954)
 * fix dbgprinttree() of functions (#19194)
 * performance fixes

 
https://github.com/pynac/pynac/releases/download/pynac-0.3.9.4/pynac-0.3.9.4.tar.bz2

--

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Ticket URL: <http://trac.sagemath.org/ticket/18980#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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