Hello Frederik,
Finally, with some work the generic integer dense matrix class using
flint (sage.matrix.matrix_integer_dense) is as fast as the 2x2 matrix.
This is #17822.
It is then not so hard to get rid of Matrix_integer_2x2. This is #17824.
Vincent
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On Sun, Nov 16, 2014 at 4:08 PM, Vincent Delecroix
<20100.delecr...@gmail.com> wrote:
> 2014-11-16 5:42 UTC−07:00, Fredrik Johansson :
>>
>>
>> On Sunday, November 16, 2014 5:45:01 AM UTC+1, vdelecroix wrote:
>>>
>>> Hello,
>>>
>>> We currently have two much implementation of 2x2 matrices. I found
2014-11-16 5:42 UTC−07:00, Fredrik Johansson :
>
>
> On Sunday, November 16, 2014 5:45:01 AM UTC+1, vdelecroix wrote:
>>
>> Hello,
>>
>> We currently have two much implementation of 2x2 matrices. I found at
>> least three that leads to distinct element classes
>>
>> sage: M1 = SL2Z
>> sage: M2 = M
On Sunday, November 16, 2014 5:45:01 AM UTC+1, vdelecroix wrote:
>
> Hello,
>
> We currently have two much implementation of 2x2 matrices. I found at
> least three that leads to distinct element classes
>
> sage: M1 = SL2Z
> sage: M2 = MatrixSpace(ZZ,2)
> sage: from sage.matrix.matrix_intege
