1 #include <Eigen/Dense>
2 #include <iostream>
3 
4 using namespace Eigen;
5 using namespace std;
6 
main()7 int main()
8 {
9   ArrayXf a = ArrayXf::Random(5);
10   a *= 2;
11   cout << "a =" << endl
12        << a << endl;
13   cout << "a.abs() =" << endl
14        << a.abs() << endl;
15   cout << "a.abs().sqrt() =" << endl
16        << a.abs().sqrt() << endl;
17   cout << "a.min(a.abs().sqrt()) =" << endl
18        << a.min(a.abs().sqrt()) << endl;
19 }
20