#6391: libGAP!  -- create a Cython library interface to gap
------------------------------------------------------------------------+---
   Reporter:  was                                                       |       
Owner:  was       
       Type:  enhancement                                               |      
Status:  needs_work
   Priority:  major                                                     |   
Milestone:  sage-4.7  
  Component:  interfaces                                                |    
Keywords:            
     Author:  Dima Pasechnik, Ivan Andrus, Volker Braun, William Stein  |    
Upstream:  N/A       
   Reviewer:  Dima Pasechnik, Ivan Andrus, Volker Braun, William Stein  |      
Merged:            
Work_issues:                                                            |  
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Comment(by kcrisman):

 Replying to [comment:53 vbraun]:
 > Replying to [comment:52 kcrisman]:
 > > That part seems to have first shown in in the .2.patch.  It didn't get
 cancelled in the going back to just .patch, did it?
 >
 > The patches are not cummulative. You need to back out old versions
 before applying the newest one.

 I only applied this most recent one.  I was just wondering whether somehow
 I should have applied the .2.patch.  But I don't think this is the issue.

 Interestingly, I get long hangs, so I think you may be right that I'm
 somehow missing the !sig_on stuff.  But
 {{{
         try:            sig_on()            result =
 make_GapElement(self.parent(),
 DIFF(self.value, (<GapElement>right).value))            sig_off()
 return result        except RuntimeError, msg:            ClearError()
 raise ValueError, 'Gap: '+str(msg)
 }}}
 is what I get for the code of `g1._sub_??`.

 But I did get this scary thing:
 {{{
 sage: libgap(1)
 /Users/student/Desktop/sage-4.6.2/local/bin/sage-sage: line 308: 14591
 Abort trap              sage-ipython "$@" -i
 }}}
 Could this is another example of using the wrong
 !MAC_OSX_DEPLOYMENT_TARGET or something, like it was for the initial
 problems with 10.6 not working... ?  Maybe that's impossible.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6391#comment:54>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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