Tutorial_BlockOperations_vector.cpp (revision bf2c37156dfe67e5dfebd6d394bad8b2ab5804d4) - OpenGrok cross reference for /aosp_15_r20/external/eigen/doc/examples/Tutorial_BlockOperations_vector.cpp

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

using namespace std;

int main()
{
  Eigen::ArrayXf v(6);
  v << 1, 2, 3, 4, 5, 6;
  cout << "v.head(3) =" << endl << v.head(3) << endl << endl;
  cout << "v.tail<3>() = " << endl << v.tail<3>() << endl << endl;
  v.segment(1,4) *= 2;
  cout << "after 'v.segment(1,4) *= 2', v =" << endl << v << endl;
}