#13213: Comparisons in quadratic number field
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Reporter: vdelecroix | Owner: vdelecroix
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.10
Component: number fields | Resolution:
Keywords: real number field, comparison | Work issues: rebase
5.10.beta2
Report Upstream: N/A | Reviewers: Burcin
Erocal
Authors: Vincent Delecroix | Merged in:
Dependencies: | Stopgaps:
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Comment (by vdelecroix):
Replying to [comment:29 vdelecroix]:
> There is a '''strange''' problem
> {{{
> sage: K.<sqrt2> = QuadraticField(2)
> sage: 1/2 + sqrt2 > 0
> False
> }}}
I got the problem... it was because there is a natural morphism
implemented from the rational field to quadratic number field
(`sage.rings.number_field.number_field_element_quadratic.Q_to_quadratic_field_element`)
which uses a non properly initialized instance of a quadratic element !
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13213#comment:30>
Sage <http://www.sagemath.org>
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