Re: [eigen] Overloading componentwise binary operators for vectors

[Christoph Hertzberg <chtz@xxxxxxxxxxxxxxxxxxxxxxxx>]

On 05.10.2015 16:00, Cedric Doucet wrote:
> Actually, it is very simple to get the best of both worlds if I understand how to overload operator + so that it returns Eigen::CwiseBinaryOp.
> I just have to add a level of indirection by replacing Eigen::CwiseBinaryOp by a typedef coming from a template:
>
> template<typename Wrapped>
> class Vector;
>
> template<typename Wrapped>
> typename Wrapped::Sum operator+(Vector const & lhs, Vector const & rhs);
>
>
> So, my question is very simple : what am I doing wrong in the code I sent to you?


As Gael already said, your Vector class also needs to have a constructor 
which accepts a DenseBase<Derived> (or a Wrapped::Sum, if you prefer).

Btw, to me it is still not obvious what you actually want to achieve 
here ...


Christoph

--
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