1 #include <iostream> 2 #include <Eigen/Core> 3 using namespace Eigen; 4 using namespace std; 5 6 int 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
