[petsc-users] MatAij -> MatDense

[Jed Brown]

Harshad Sahasrabudhe <hsahasra at purdue.edu> writes:

> Hi,
>
> Is there any way to convert a sparse matrix to a dense matrix? I have an almost full Aij matrix, which I would like to convert to MatDense and offload it to a GPU.
>
> MatConvert(*mat, MATDENSE, MAT_INITIAL_MATRIX, temp);
>
> mat is of type MATAIJ.
>
> I get the error
>
> No support for this operation for this object type

Send the ENTIRE error message.  (ALWAYS send the entire error message.)

There is no special code for the conversion, but MatConvert_Basic should
get called.
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