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error creating matrices over GF(2) from elements of QQ #6838

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ncalexan mannequin opened this issue Aug 28, 2009 · 5 comments
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error creating matrices over GF(2) from elements of QQ #6838

ncalexan mannequin opened this issue Aug 28, 2009 · 5 comments
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@mwhansen
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c: linear algebra p: major / 3 t: bug
Milestone
sage-4.1.2

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@ncalexan
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Mannequin

ncalexan mannequin commented Aug 28, 2009

Yet another thing I can't understand:

sage: GF(2)(1/3)
1
sage: MatrixSpace(GF(2), 1, 1)([1/3])
[0]

For the record:

sage: MatrixSpace(Zmod(4), 1, 1)([1/3])
[3]
sage: Zmod(4)(1/3)
3

So it's not always broken.

CC: @williamstein @robertwb @malb

Component: linear algebra

Author: Mike Hansen

Reviewer: Martin Albrecht

Merged: Sage 4.1.2.alpha0

Issue created by migration from https://trac.sagemath.org/ticket/6838
@ncalexan ncalexan mannequin added this to the sage-4.1.2 milestone Aug 28, 2009
@ncalexan ncalexan mannequin assigned williamstein Aug 28, 2009
@mwhansen
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mwhansen commented Sep 1, 2009

comment:1

Attachment: trac_6838.patch.gz

@mwhansen
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mwhansen commented Sep 1, 2009

Author: Mike Hansen

@mwhansen mwhansen assigned mwhansen and unassigned williamstein Sep 1, 2009
@malb
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malb commented Sep 2, 2009

comment:2

Patch looks good.

@sagetrac-mvngu
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sagetrac-mvngu mannequin commented Sep 2, 2009

Merged: Sage 4.1.2.alpha0

@sagetrac-mvngu
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sagetrac-mvngu mannequin commented Sep 2, 2009

Reviewer: Martin Albrecht

@sagetrac-mvngu sagetrac-mvngu mannequin removed the s: positive review label Sep 2, 2009
@sagetrac-mvngu sagetrac-mvngu mannequin closed this as completed Sep 2, 2009
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