I have

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typedef Eigen::Matrix<double, 2, 1> Point;
typedef Eigen::Matrix<double, 1, 1> Data;
typedef std::pair<Point, Data> DataPoint;
typedef std::vector<DataPoint> DataPoints;

DataPoints points;

I getting this error on points.push_back():

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Assertion failed: (reinterpret_cast<size_t>(array) & 0xf) == 0 && "this assertion is explained here: " "http://eigen.tuxfamily.org/dox-devel/TopicUnalignedArrayAssert.html" " **** READ THIS WEB PAGE !!! ****", file c:\eigen\src\core\densestorage.h, line 69

I have read the web page, but cannot figure out how to use advices listed there.

I tried to specify aligned allocator for the vector, but getting this compile error:

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Error   1   error C2719: '_Val': formal parameter with __declspec(align('16')) won't be aligned   c:\program files\microsoft visual studio 10.0\vc\include\vector   870


Please help.

Sorry, I found solution. I added allocator to all my vectors (not only the mentioned one). And error disappeared.