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QQbar fast path doesn't trigger #27233

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BrentBaccala opened this issue Feb 7, 2019 · 1 comment
Closed

QQbar fast path doesn't trigger #27233

BrentBaccala opened this issue Feb 7, 2019 · 1 comment
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c: algebra r: duplicate t: bug

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@BrentBaccala
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The following calculation runs "forever":

sage: g = QQbar(-27/4)^(1/7)
sage: (nf, elems, mor) = number_field_elements_from_algebraics([sqrt(2), sqrt(-1), g])
sage: nf3.<n> = NumberField(nf.polynomial(), embedding=mor(nf.0))
sage: QQbar(-1/108*n^12) == -g

A fast path in qqbar.py's cmp_elements_with_same_minpoly should trigger but doesn't.

Component: algebra

Keywords: algebraic field

Issue created by migration from https://trac.sagemath.org/ticket/27233
@BrentBaccala BrentBaccala added this to the sage-8.7 milestone Feb 7, 2019
@BrentBaccala
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comment:1

This is a duplicate of #26593

@BrentBaccala BrentBaccala removed this from the sage-8.7 milestone Feb 7, 2019
@jdemeyer jdemeyer closed this as completed Feb 8, 2019
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@jdemeyer @BrentBaccala