Files
FastDeploy/third_party/eigen/doc/examples/class_FixedReshaped.cpp
Jack Zhou 355382ad63 Move eigen to third party (#282)
* remove useless statement

* Add eigen to third_party dir

* remove reducdant lines
2022-09-26 19:24:02 +08:00

19 lines
461 B
C++

#include <Eigen/Core>
#include <iostream>
using namespace Eigen;
using namespace std;
template <typename Derived>
Eigen::Reshaped<Derived, 4, 2> reshape_helper(MatrixBase<Derived>& m) {
return Eigen::Reshaped<Derived, 4, 2>(m.derived());
}
int main(int, char**) {
MatrixXd m(2, 4);
m << 1, 2, 3, 4, 5, 6, 7, 8;
MatrixXd n = reshape_helper(m);
cout << "matrix m is:" << endl << m << endl;
cout << "matrix n is:" << endl << n << endl;
return 0;
}