#4687: Points on Elliptic Curve over GF(2)
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Reporter: rishi | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone: sage-3.2.2
Component: algebra | Keywords:
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{{{
sage: E=EllipticCurve(GF(2),[0, 0, 1, 1, 1])
sage: E
Elliptic Curve defined by y^2 + y = x^3 + x +1 over Finite Field of size 2
sage: E.points()
---------------------------------------------------------------------------
IndexError Traceback (most recent call
last)
/Volumes/Panther/sage/<ipython console> in <module>()
/Volumes/Panther/sage/local/lib/python2.5/site-
packages/sage/schemes/elliptic_curves/ell_finite_field.pyc in points(self)
214 from sage.structure.sequence import Sequence
215 if self.base_ring().is_prime_field():
--> 216 v = self._points_via_group_structure()
217 else:
218 v =self._points_fast_sqrt()
/Volumes/Panther/sage/local/lib/python2.5/site-
packages/sage/schemes/elliptic_curves/ell_finite_field.pyc in
_points_via_group_structure(self)
165
166 H0=[self(0)]
--> 167 for m in range(1,ni[0]): H0.append(H0[-1]+pts[0])
168 if len(ni)==1: # cyclic case
169 return H0
IndexError: list index out of range
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4687>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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