On Mar 10, 2010, at 10:36 AM, daveloeffler wrote:
PS: I've realised that one can trigger more or less the same bug by
doing
sage: x = QQbar(-7).sqrt()
sage: y = QQbar(-7).sqrt()
sage: x == y
so embeddings of number fields aren't the problem, there's something
amiss with QQbar.
QQ(sqrt(-7)) is a popular number field, I ran into that bug last week.
http://trac.sagemath.org/sage_trac/ticket/8415
The solution is to upgrade pari, but for the moment I hacked around
this pari bug. Maybe I should clean that up and submit a patch if pari
2.3.5 isn't going to happen right away.
- Robert
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