There is a workaround which is to use
(a-b).is_real_positive()
The comparison should be fixed to use that.
Samuel
Le mercredi 22 octobre 2014 19:13:15 UTC+2, Volker Braun a écrit :
>
> The number field comparison returns ">" for any two non-equal numbers.
> Surely there is a good reason for that behavior? I found this by debugging
> polyhedra over number fields (http://trac.sagemath.org/ticket/17197).
> Obviously you can't have polyhedra if your comparison is not working:
>
> sage: K.<a> = NumberField(x^3 - 3*x + 8, embedding=-2.4920333)
> sage: a.n()
> -2.49203330117182
> sage: a+1 > a
> True
> sage: a > a+1
> True
>
>
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