#12880: Inconsistent domain, codomain and parent in EllipticCurveIsogeny
-------------------------------------+-------------------------------------
Reporter: nthiery | Owner: cremona
Type: defect | Status: needs_work
Priority: minor | Milestone: sage-6.2
Component: elliptic curves | Resolution:
Keywords: | Merged in:
Authors: Sébastien Besnier | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/sbesnier/ticket/12880 | e623041b239f32098efb927f68a240529644b625
Dependencies: #11474 | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by defeo):
* status: needs_review => needs_work
Comment:
Wow. It's so cool to be finally able to compose isogenies!
There's various doctests failing in `ell_curve_isogeny.py`. Most of them
are because of #11474, so they should be ok once that one's fixed. However
there's one weird failure, not sure if it depends on #11474 too:
{{{
File "src/sage/schemes/elliptic_curves/ell_curve_isogeny.py", line 945, in
sage.schemes.elliptic_curves.ell_curve_isogeny.EllipticCurveIsogeny._call_
Failed example:
phi(E(15,20), output_base_ring=GF(23^2,'alpha'))
Exception raised:
Traceback (most recent call last):
File "/home/dfl/sage/local/lib/python2.7/site-
packages/sage/doctest/forker.py", line 480, in _run
self.execute(example, compiled, test.globs)
File "/home/dfl/sage/local/lib/python2.7/site-
packages/sage/doctest/forker.py", line 839, in execute
exec compiled in globs
File "<doctest
sage.schemes.elliptic_curves.ell_curve_isogeny.EllipticCurveIsogeny._call_[6]>",
line 1, in <module>
phi(E(Integer(15),Integer(20)),
output_base_ring=GF(Integer(23)**Integer(2),'alpha'))
File "map.pyx", line 764, in sage.categories.map.Map.__call__
(sage/categories/map.c:5434)
File "map.pyx", line 797, in sage.categories.map.Map._call_with_args
(sage/categories/map.c:5698)
NotImplementedError: _call_with_args not overridden to accept
arguments for <class
'sage.schemes.elliptic_curves.ell_curve_isogeny.EllipticCurveIsogeny'>
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/12880#comment:12>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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