#11005: Update Simon's GP scripts and convert to use via gp2c
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   Reporter:  cremona          |       Owner:  cremona 
       Type:  enhancement      |      Status:  new     
   Priority:  major            |   Milestone:  sage-5.0
  Component:  elliptic curves  |    Keywords:          
     Author:  John Cremona     |    Upstream:  N/A     
   Reviewer:                   |      Merged:          
Work_issues:                   |  
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 1.  Denis Simon's GP scripts (in data/extcode/pari/simon) need updating.

 2.  Using them via gp2c would be more efficient.

 The scripts have been combined into one and revised to make the gp2c-
 compliant, and gp2c has been used to make a single C file from them.  This
 can be compiled (once, on building Sage) into a shared library file which
 can then be used in a GP session, the result being faster running of all
 the functions.

 To implement this we (1) created a new spkg containing the C file, which
 on bring installed puts tha .so into data/extcode/pari/simon (together
 with a helper GP script);  (2) patched the extcode repository (removing
 the old scripts);  (3) patched the sage library repository, mainly to
 adapt the interface in elliptic_curves/gp_simon.py but also to correct the
 doctest output (due to the script upgrade giving different generators in
 some cases).

 So there are two patches and an spkg needed!  I have them all and will
 attach them shortly.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11005>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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