#13705: segfault in analytic_rank(algorithm='rubinstein')
----------------------------+----------------------------------------------
Reporter: dimpase | Owner: cremona
Type: defect | Status: needs_review
Priority: major | Milestone: sage-duplicate/invalid/wontfix
Component: elliptic | Resolution:
curves | Merged in:
Keywords: lcalc | Reviewers: Jeroen Demeyer
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | Stopgaps:
Dependencies: |
----------------------------+----------------------------------------------
Changes (by jdemeyer):
* status: new => needs_review
* reviewer: => Jeroen Demeyer
* milestone: sage-6.1 => sage-duplicate/invalid/wontfix
Comment:
I now get
{{{
*** Warning: not enough memory, new stack 3854339200.
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call
last)
<ipython-input-1-d7407b95d583> in <module>()
----> 1
elliptic_curves.rank(Integer(8))[Integer(0)].analytic_rank(algorithm='rubinstein')
/usr/local/src/sage-2217/local/lib/python2.7/site-
packages/sage/schemes/elliptic_curves/ell_rational_field.pyc in
analytic_rank(self, algorithm, leading_coefficient)
1353 return lcalc.analytic_rank(L=self)
1354 except TypeError,msg:
-> 1355 raise RuntimeError, "unable to compute analytic
rank using rubinstein algorithm ('%s')"%msg
1356 elif algorithm == 'sympow':
1357 if leading_coefficient:
RuntimeError: unable to compute analytic rank using rubinstein algorithm
('unable to convert x (=) to an integer')
}}}
which is about the best one can hope...
I think this should be closed as "wontfix".
--
Ticket URL: <http://trac.sagemath.org/ticket/13705#comment:4>
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