# include <iostream>
# include <Eigen/Dense>

using Eigen::MatrixXd;
using namespace std;

//****************************************************************************80

int main ( )

//****************************************************************************80
//
//  Purpose:
//
//    MAIN is the main program for EIGEN_TEST01.
//
//  Modified:
//
//    04 March 2017
//
{
  MatrixXd m(2,2);

  cout << "\n";
  cout <<"EIGEN_TEST01:\n";
  cout << "  Use EIGEN to define and print a 2x2 matrix.\n";

  m(0,0) = 3.0;
  m(1,0) = 2.5;
  m(0,1) = -1.0;
  m(1,1) = m(1,0) + m(0,1);

  cout << "\n";
  cout << "  2X2 example of EIGEN MatrixXd matrix:\n";
  cout << "\n";

  cout << m << std::endl;
//
//  Terminate.
//
  cout << "\n";
  cout <<"EIGEN_TEST01:\n";
  cout << "  Normal end of execution.\n";

  return 0;
}