#18673: Replace GP by PARI in basis_of_short_vectors()
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Reporter: jdemeyer | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.9
Component: quadratic forms | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers: Vincent Delecroix
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jdemeyer/replace_gp_by_pari_in_basis_of_short_vectors__|
f05674be31018c7309a5f996bdb7b9eb91ec6436
Dependencies: | Stopgaps:
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Changes (by vdelecroix):
* status: needs_review => needs_work
Comment:
Not all of them
{{{
sage: Q = DiagonalQuadraticForm(ZZ, [1,3,5,7])
sage: V = Q.basis_of_short_vectors()
sage: V
((1, 0, 0, 0), (0, 1, 0, 0), (0, 0, 1, 0), (0, 0, 0, 1))
sage: V[0][-3] = -2
sage: Q.basis_of_short_vectors()
((1, -2, 0, 0), (0, 1, 0, 0), (0, 0, 1, 0), (0, 0, 0, 1))
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/18673#comment:7>
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