| Re: [eigen] .matrix()/.array() on MatrixBase<Derived>/ArrayBased<Derived> |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] .matrix()/.array() on MatrixBase<Derived>/ArrayBased<Derived>
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Thu, 21 Jan 2010 11:49:41 -0500
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That sounds very reasonable and useful.
Just like we implement Matrix::eval() returning just a reference to *this.
Benoit
2010/1/21 Hauke Heibel <hauke.heibel@xxxxxxxxxxxxxx>:
> Hi,
>
> any objections against these null cost functions:
>
> MatrixBase:
> MatrixBase<Derived>& matrix() { return *this; }
> const MatrixBase<Derived>& matrix() const { return *this; }
>
> and the corresponding array() ones for ArrayBase.
>
> When writing functions taking DenseBase<Derived> or any functions that
> will take Array as well as Matrix, this is quite handy. You don't know
> whether you need to convert or not, so you just do it when you want
> array or matrix ops respectively.
>
> - Hauke
>
>
>