#13311: alarm doesn't work with some elliptic curve functions
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       Reporter:  alexc                                      |         Owner:  
cremona 
           Type:  defect                                     |        Status:  
new     
       Priority:  major                                      |     Milestone:  
sage-5.3
      Component:  elliptic curves                            |    Resolution:   
       
       Keywords:  alarm elliptic curve curves ellipticcurve  |   Work issues:   
       
Report Upstream:  N/A                                        |     Reviewers:   
       
        Authors:                                             |     Merged in:   
       
   Dependencies:                                             |      Stopgaps:   
       
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Comment (by alexc):

 Replying to [comment:1 cremona]:
 > I don't know anything about alarm().  In this case mwrank is being used
 to compute the rank and it takes more then 3s.
 alarm(timelimit) is supposed to raise a KeyboardInterrupt exception after
 timelimit seconds. For some reason, despite mwrank running for more than 3
 seconds, the computation isn't interrupted. Documentation for alarm can be
 found here:
 http://www.sagemath.org/doc/reference/sage/misc/misc.html#sage.misc.misc.alarm

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13311#comment:2>
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