| template<typename Derived> |
| Eigen::VectorBlock<Derived> |
| segmentFromRange(MatrixBase<Derived>& v, int start, int end) |
| return Eigen::VectorBlock<Derived>(v.derived(), start, end-start); |
| template<typename Derived> |
| const Eigen::VectorBlock<const Derived> |
| segmentFromRange(const MatrixBase<Derived>& v, int start, int end) |
| return Eigen::VectorBlock<const Derived>(v.derived(), start, end-start); |
| Matrix<int,1,6> v; v << 1,2,3,4,5,6; |
| cout << segmentFromRange(2*v, 2, 4) << endl; // calls the const version |
| segmentFromRange(v, 1, 3) *= 5; // calls the non-const version |
| cout << "Now the vector v is:" << endl << v << endl; |