17 lines
570 B
C++
17 lines
570 B
C++
#include <Eigen/Core>
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#include <iostream>
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template <typename Derived>
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const Eigen::Reshaped<const Derived> reshape_helper(const Eigen::MatrixBase<Derived>& m, int rows, int cols) {
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return Eigen::Reshaped<const Derived>(m.derived(), rows, cols);
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}
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int main(int, char**) {
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Eigen::MatrixXd m(3, 4);
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m << 1, 4, 7, 10, 2, 5, 8, 11, 3, 6, 9, 12;
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std::cout << m << std::endl;
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Eigen::Ref<const Eigen::MatrixXd> n = reshape_helper(m, 2, 6);
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std::cout << "Matrix m is:" << std::endl << m << std::endl;
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std::cout << "Matrix n is:" << std::endl << n << std::endl;
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}
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