#11611: Equal ideals have different hashes
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Reporter: jdemeyer | Owner: jdemeyer
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.2
Component: number fields | Keywords: pari ideal hnf
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Changes (by jdemeyer):
* owner: davidloeffler => jdemeyer
Comment:
I have '''not''' been able to reproduce this error through the string
interface:
{{{
sage: K.<a> = NumberField(x^2 - x - 1)
sage: I = K.ideal(2 * a - 1)
sage: pari("K=%s; idealhnf(K, idealfactor(K,
%s)[1,1])"%(pari(K),pari(I))).debug()
[&=0000000004998178] MAT(lg=3):2600000000000003 0000000004998160
0000000004998130
mat(1,1) = [&=0000000004998148] INT(lg=3):0200000000000003
(+,lgefint=3):4000000000000003 0000000000000005
mat(1,2) = [&=0000000004998118] INT(lg=3):0200000000000003
(+,lgefint=3):4000000000000003 0000000000000002
mat(2,1) = gen_0
mat(2,2) = [&=0000000004998100] INT(lg=3):0200000000000003
(+,lgefint=3):4000000000000003 0000000000000001
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11611#comment:2>
Sage <http://www.sagemath.org>
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