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- To: eigen <eigen@xxxxxxxxxxxxxxxxxxx>
- Subject: [eigen] Re: special matrix classes: template parameters
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sat, 14 Nov 2009 10:45:42 -0500
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(and the same applies to DiagonalMatrix, of course, and to
PermutationMatrix that i am coding at the moment)
2009/11/14 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
> Hi,
>
> Currently the BandMatrix class takes Scalar, Rows,Cols template
> parametes that could be replaced by a single parameter DenseMatrixType
> representing the return value of toDense(). Not only this would allow
> to simplify the template parameters considerably, this would also be
> more future proof (it could read more data from the DenseMatrixType),
> and would allow to benefit from the MaxRowsAtCompileTime notion (for
> dynamic-size-inside-fixed-size-storage --- that is required to ensure
> "no malloc with fixed-size objects" in complicated use cases).
>
> So OK to let it take a DenseMatrixType template parameter instead? And
> in the Options, the RowMajor stuff would also move there, so that's a
> further simplification.
>
> Benoit
>