#11611: Equal PARI integers have different hashes
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Reporter: jdemeyer | Owner: jdemeyer
Type: defect | Status: positive_review
Priority: critical | Milestone: sage-4.7.2
Component: number fields | Keywords: pari cgetg integer ideal hnf
Work_issues: | Upstream: N/A
Reviewer: | Author: Jeroen Demeyer
Merged: | Dependencies:
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Comment(by jdemeyer):
The code which is purely about the bug fix is in lines 9005--9007 of the
new `sage/libs/pari/gen.pyx`. The problem is that `z[1]` was never
properly initialized and might contain some random garbage which was on
the PARI stack before.
I also rewrote some code which was similar in spirit to the buggy code,
even though I could not obviously produce bugs from that code. Then I
also did some general cleanup, like getting rid of `__set_lvalue__()`.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11611#comment:10>
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