eigen/doc/examples/class_FixedReshaped.cpp
2021-12-07 19:57:38 +00:00

21 lines
474 B
C++

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