#include <boost/qvm/quat_operations.hpp>
namespace boost
{
namespace qvm
{
//Only enabled if: is_quat<A>::value
template <class A>
typename deduce_quat<A>::type
inverse( A const & a );
}
}
Computes the multiplicative inverse of a, or the conjugate-to-norm ratio.
If the magnitude of a is zero, throws zero_magnitude_error.
If a is known to be unit length, conjugate is equivalent to inverse, yet it is faster to compute.