...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This header defines function and operator overloads that implement all the same operations defined in the boost/qvm/vec_operations.hpp header, but specifically for 2D vectors. You can include it instead of boost/qvm/vec_operations.hpp if you know you don't use vector objects of any other size.