#include <Eigen/Eigen>
#include <iostream>
int main()
{
int a(2), b(5), c(6);
Eigen::Vector3d origin_(0,0,0);
Eigen::Vector3d max_size_(a,b,c);
Eigen::Vector3d diff_;
diff_ << 0,0,0;
// diff_ = max_size_ - origin_;
std::cout << Eigen::Vector3i(0,5,6) << std::endl;
std::cout << "run success" << std::endl;
return 0;
}