COSC-4P80-Assignment-2/lib/eigen-3.4.0/doc/snippets/Map_placement_new.cpp

6 lines
183 B
C++

int data[] = {1,2,3,4,5,6,7,8,9};
Map<RowVectorXi> v(data,4);
cout << "The mapped vector v is: " << v << "\n";
new (&v) Map<RowVectorXi>(data+4,5);
cout << "Now v is: " << v << "\n";