Re: [sage-support] "Precision too low for generators, not given"

[Jeroen Demeyer]

Sorry, I was wrong. I actually looked at the PARI source code this time 
and the warning comes from the bnfisprincipal() function to determine 
the class of a given ideal in the class group (so, in particular, it can 
be used to check whether an ideal is principal). This function can also 
compute a generator of the ideal, but it might fail doing that, giving 
the warning message. I believe this does not affect the correctness.

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