Re: [eigen] Passing result of block() as non-const reference-to-matrix?

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Hauke, Martin: thanks for your suggestions.

It's a pity that there is no clean solution that is portable to pre-C++0x. I still don't quite get that it does work as expected when I pass a const Block to a const Matrix & -- it is not clear for me why that /does/ work.

I have a feeling that I (as an API user) need to know too much about the intricacies of the Eigen data-structures in this case, while I can usually just really on stuff to (almost magically) work; A Matrix::block() result /usually/ returns something that behaves as Matrix, but not always.

Best regards, Sidney

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