#15348: "R.<a> =" syntactic sugar incorrect for EquationOrder
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Reporter: emassop | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-7.0
Component: number fields | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jdemeyer/ticket/15348 | 496f5ac31807f7613aaddbef6dd8119e33ca4366
Dependencies: | Stopgaps:
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Comment (by jdemeyer):
Replying to [comment:34 emassop]:
> {{{
> K.<a> = QuadraticField(-163)
> R.<w> = K.ring_of_integers()
> w = a # Since I'm not running the version with the patch.
> print K.order(w).index_in(R) # R.<w> suggests this prints 1, but it
actually prints 2.
> }}}
I don't see why `R.<w>` ''suggests'' that `K.order(w) ==
K.ring_of_integers()`. I ''do'' agree that `ring_of_integers`, `OK` and
`maximal_order` should all behave exactly the same.
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Ticket URL: <http://trac.sagemath.org/ticket/15348#comment:35>
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