#include "opencv2/core.hpp"
#include <iostream>

void testConversion(const cv::Matx22d& a)
{
	std::cout << a << std::endl;
}

int main(int argc)
{
	cv::Mat_<double> a = (cv::Mat_<double>(2,2) << 10, 11, 12, 13);
	cv::Matx22d b(a);

	std::cout << a << std::endl;
	std::cout << b << std::endl;
	testConversion(a);
	return 1;
}