| Brian Silverman | 72890c2 | 2015-09-19 14:37:37 -0400 | [diff] [blame^] | 1 | #include <Eigen/Dense> |
| 2 | #include <iostream> |
| 3 | |
| 4 | using namespace Eigen; |
| 5 | |
| 6 | template <typename Derived1, typename Derived2> |
| 7 | void copyUpperTriangularPart(MatrixBase<Derived1>& dst, const MatrixBase<Derived2>& src) |
| 8 | { |
| 9 | /* Note the 'template' keywords in the following line! */ |
| 10 | dst.template triangularView<Upper>() = src.template triangularView<Upper>(); |
| 11 | } |
| 12 | |
| 13 | int main() |
| 14 | { |
| 15 | MatrixXi m1 = MatrixXi::Ones(5,5); |
| 16 | MatrixXi m2 = MatrixXi::Random(4,4); |
| 17 | std::cout << "m2 before copy:" << std::endl; |
| 18 | std::cout << m2 << std::endl << std::endl; |
| 19 | copyUpperTriangularPart(m2, m1.topLeftCorner(4,4)); |
| 20 | std::cout << "m2 after copy:" << std::endl; |
| 21 | std::cout << m2 << std::endl << std::endl; |
| 22 | } |