Compiling the following code on VC2008

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#include <Eigen/Core>
USING_PART_OF_NAMESPACE_EIGEN
Map<MatrixXd, Aligned> Mat2Eigen(int offset);


gives me

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error C2143: syntax error : missing ';' before '<'
error C4430: missing type specifier - int assumed. Note: C++ does not support default-int


Is there something obvious I have missed?

I am using latest public release version.

2 problems here:

1) Map is not part of what USING_PART_OF_NAMESPACE_EIGEN provides. Actually, just forget about USING_PART_OF_NAMESPACE_EIGEN, just do: using namespace Eigen; It was kind of a mistake that we introduced it and it's going away in Eigen 3.0.

2) there is no Map constructor taking an int argument. Look at the documentation of class Map.

bjacob wrote:2 problems here:
2) there is no Map constructor taking an int argument. Look at the documentation of class Map.

It was meant to be a fun declaration. After fixing the namespace, the problem is fixed. Thanks!