#include <iostream>

#include <opencv2/core/core.hpp>

template<class T>

void testType(cv::Size sz, T value = T())

{

        cv::Mat_<T> m(sz);

        std::cout << "Size: " << m.size().width << " x " << m.size().height << " channels " << m.channels() << " element size: " << m.elemSize() << " step1: " << m.step1() << " total: " << m.total() << std::endl;

        std::cout << "Allocated memory: " << reinterpret_cast<const unsigned char *>(&(*m.end())) - reinterpret_cast<const unsigned char *>(&(*m.begin())) << " bytes" << std::endl;

        for (int y = 0; y < sz.height; ++y)

        {

                for (int x = 0; x < sz.width; ++x)

                {

                        std::cout << "Pointer to element " << x << ", " << y << ": " << reinterpret_cast<unsigned long long>(&m(y, x)) << std::endl;

                        m(y, x) = value;

                }

        }

}

int main(int argc, char **argv)

{

        std::vector<int *> memblocks;

        cv::Size size(2, 5);

        testType<float>(size);

        testType<cv::Vec3f>(size);

        testType<cv::Matx31f>(size);

        testType<cv::Matx41f>(size);

        testType<cv::Matx32f>(size);

        return 0;

}