#5204: [with new patch, needs review] simon_two_descent -- bug in the interface
when number field has variable name 'x'
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Reporter: was | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-3.4.1
Component: number theory | Keywords:
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Comment(by cremona):
The trouble is that after changing the name of the field's generator (in
that example from 'i' to 'a') there is no coercion from the old field to
the new one, even though they only differ i nthe name of the gen.
This could obviously be hacked, and I have done so, but it is not very
elegant: since E's field has changed you have to hack again to get the
points found back on the original curve which has the original base field.
I'm sure that there is a better coercion-based way of doing this. But the
tests now pass. Apply new patch after the other two.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5204#comment:6>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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