...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/error.hpp>
namespace boost { namespace qvm { //*** Exception types *** struct error: virtual boost::exception, virtual std::exception { }; struct zero_determinant_error: virtual error { }; struct zero_magnitude_error: virtual error { }; } }