#17671: Implement gcd for fraction fields
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Reporter: vdelecroix | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.5
Component: basic arithmetic | Keywords:
Merged in: | Authors: Vincent Delecroix
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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As reported on [https://groups.google.com/forum/#!topic/sage-
support/AYDqdxy5fTw sage-support], gcd and xgcd disagree on fraction
fields
{{{
sage: gcd(6/1,2/1)
2
sage: xgcd(6/1,2/1)
(1, 1/6, 0)
}}}
We implement a `xgcd` for the `QuotientFields` category in order to fix
that (there was a `gcd` here without a `xgcd`).
--
Ticket URL: <http://trac.sagemath.org/ticket/17671>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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