Opened 10 years ago

Last modified 9 years ago

#11521 closed defect

Memleak when resolving the action of Integers on an Elliptic Curve — at Initial Version

Reported by: jpflori Owned by: rlm
Priority: major Milestone: sage-5.5
Component: coercion Keywords: sd35
Cc: jpflori, nthiery Merged in:
Authors: Reviewers:
Report Upstream: N/A Work issues:
Branch: Commit:
Dependencies: Stopgaps:

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The following piece of code leaks memory.

sage: K = GF(1<<55,'t')
sage: a = K.random_element()
sage: while 1:
....:     E = EllipticCurve(j=a); P = E.random_point(); 2*P;

The problem seems to occur while resolving the action of ZZ on E.

It does not happen if:

  • one does not change the curve in the loop
  • does P+P instead of a multiplication

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