...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/quat_operations.hpp>
namespace boost { namespace qvm { template <class S> -unspecified-return-type- identity_quat(); } }
An identity quaternion with scalar type S.