#8820: elliptic_exponential broken for curves over number fields
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Reporter: robertwb | Owner: cremona
Type: defect | Status: new
Priority: major | Milestone: sage-4.4.1
Component: elliptic curves | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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{{{
sage: E = EllipticCurve('37a')
sage: K.<a> = QuadraticField(-5)
sage: L = E.change_ring(K).period_lattice(K.places()[0])
sage: L.elliptic_exponential(CDF(.1,.1))
Traceback (most recent call last):
File "<ipython console>", line 1, in <module>
File "/usr/local/sage/local/lib/python2.6/site-
packages/sage/schemes/elliptic_curves/period_lattice.py", line 1390, in
elliptic_exponential
pxy = E.pari_curve(prec+5).ellztopoint(w)
File "gen.pyx", line 9234, in sage.libs.pari.gen._pari_trap
(sage/libs/pari/gen.c:44342)
PariError: bad argument for an elliptic curve related function (43)
}}}
Perhaps Pari doesn't support curve not over Q?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8820>
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