Karl,
Okay, I thought that would be a workaround. Does the current `resize`
method create a copy of the matrix internally as well? Ideally one could
resize without the copying overhead.
Also, would you consider this as new functionality to be added in the
future? If so I can create a new github issue but if not, this workaround
should be sufficient unless there is a way to avoid the aforementioned copy
overhead.
Thanks,
Charles
On Wed, Jan 20, 2016 at 11:08 AM, Karl Rupp <r...@iue.tuwien.ac.at> wrote:
> Hi Charles,
>
> > I can easily resize a matrix with the `resize` function
>
>>
>> viennacl::matrix vcl_A(3,3);
>> vcl_A.resize(3,4);
>>
>> but I notice that this adds the new column on the end of the matrix. Is
>> there a way to append it on to the front of the matrix?
>>
>
> Not directly. But you can create a new matrix and then use
> viennacl::project() to place the old entries at the correct spot:
>
> matrix<T> B(3,4);
> matrix_range<matrix<T> > B_right(B, range(0, 3), range(1,4));
> B_right = A;
>
>
>
> Best regards,
> Karli
>
>
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