Re: [eigen] Assigning a dynamic matrix to a fixed size matrix const reference causes invalid read

[Christoph Hertzberg <chtz@xxxxxxxxxxxxxxxxxxxxxxxx>]

On 20.11.2013 18:10, Robert Johannes Langenberg wrote:
>    Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic> dynMatr(2,2);
>
>    //Should fail to compile because of type mismatch!
>    const Eigen::Matrix<double,5,5,0,5,5>& refFixed=dynMatr;

That is valid C++: dynMatr is converted to a temporary Matrix<double,5,5>.
The size mismatch is caught at runtime, if you compile without -DNDEBUG.

Christoph

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Dipl.-Inf., Dipl.-Math. Christoph Hertzberg
Cartesium 0.049
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