eigen/doc/examples/class_FixedReshape.cpp

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2014-01-18 04:43:29 +08:00
#include <Eigen/Core>
#include <iostream>
using namespace Eigen;
using namespace std;
template<typename Derived>
Eigen::Reshape<Derived, 4, 2>
reshape_helper(MatrixBase<Derived>& m)
{
return Eigen::Reshape<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;
}