#15369: IntegerVectors/FreeModules/AdditiveAbelianGroup of dimension 1 do not
accept 5 as input and expect [5]
-----------------------------+---------------------------------
Reporter: ncohen | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-5.13
Component: combinatorics | Keywords:
Merged in: | Authors: Nathann Cohen
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Following the discussion at https://groups.google.com/d/msg/sage-
devel/tyAxhqxk3ZI/SuBg2Ukwwj4J
When one creates the additive group `Z/nZ`, it would be nice to be able to
use integers and cast them as members of this group. However :
{{{
sage: G=AdditiveAbelianGroup([5]); G(1)
TypeError: can't initialize vector from nonzero non-list
}}}
The same way with free modules :
{{{
sage: G=FreeModule(ZZ,1); G(1)
TypeError: can't initialize vector from nonzero non-list
}}}
This patch makes it possible :
{{{
sage: G=AdditiveAbelianGroup([5]); G(1)
(1)
sage: G=FreeModule(ZZ,1); G(1)
(1)
}}}
Nathann
--
Ticket URL: <http://trac.sagemath.org/ticket/15369>
Sage <http://www.sagemath.org>
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