#17562: Implement and use get_unsafe()/set_unsafe() for vectors
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.5
Component: linear algebra | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jdemeyer/ticket/17562 | 190d4e070eec14223a6170188c1d7a94ec370f60
Dependencies: #10513, #17570 | Stopgaps:
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Changes (by jdemeyer):
* dependencies: #10513 => #10513, #17570
Old description:
> Use `get_unsafe()` and `set_unsafe()` in the generic `__getitem__` and
> `__setitem__` methods for free module elements (a.k.a. vectors).
>
> This should also fix
> {{{
> sage: v=vector(RR,range(6),sparse=True)
> sage: v[::2]
> (0.000000000000000, 1.00000000000000, 2.00000000000000, 3.00000000000000,
> 4.00000000000000, 5.00000000000000)
> }}}
New description:
Use `get_unsafe()` and `set_unsafe()` in the generic `__getitem__` and
`__setitem__` methods for free module elements (a.k.a. vectors).
This should also fix
{{{
sage: v=vector(RR,range(6),sparse=True)
sage: v[::2]
(0.000000000000000, 1.00000000000000, 2.00000000000000, 3.00000000000000,
4.00000000000000, 5.00000000000000)
}}}
Attached branch is essentially ready for review, modulo a test failure due
to #17570.
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Ticket URL: <http://trac.sagemath.org/ticket/17562#comment:9>
Sage <http://www.sagemath.org>
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