1 #include <Eigen/Dense> 2 #include <iostream> 3 4 using namespace Eigen; 5 copyUpperTriangularPart(MatrixXf & dst,const MatrixXf & src)6void copyUpperTriangularPart(MatrixXf& dst, const MatrixXf& src) 7 { 8 dst.triangularView<Upper>() = src.triangularView<Upper>(); 9 } 10 main()11int main() 12 { 13 MatrixXf m1 = MatrixXf::Ones(4,4); 14 MatrixXf m2 = MatrixXf::Random(4,4); 15 std::cout << "m2 before copy:" << std::endl; 16 std::cout << m2 << std::endl << std::endl; 17 copyUpperTriangularPart(m2, m1); 18 std::cout << "m2 after copy:" << std::endl; 19 std::cout << m2 << std::endl << std::endl; 20 } 21