1#include <iostream>
2#include <Eigen/Core>
3using namespace Eigen;
4using namespace std;
5
6int main()
7{
8  typedef Matrix<SCALAR,Eigen::Dynamic,1> Vec;
9  Vec v(SIZE);
10  v.setZero();
11  v[0] = 1;
12  v[1] = 2;
13  for(int i = 0; i < 1000000; i++)
14  {
15    v.coeffRef(0) += v.sum() * SCALAR(1e-20);
16  }
17  cout << v.sum() << endl;
18}
19