...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
#include <boost/qvm/map_mat_mat.hpp>
namespace boost { namespace qvm { -unspecified-return-type- transposed(); } }
The expression transposed(m) returns a mutable view proxy that transposes the matrix m.