void Quaternion::operator*=(const Quaternion& other)
{
real oldR = m_R;
real oldI = m_I;
real oldJ = m_J;
real oldK = m_K;
m_R = (oldR*other.GetR()) - (oldI*other.GetI()) - (oldJ*other.GetJ()) - (oldK*other.GetK());
m_I = (oldR*other.GetI()) + (oldI*other.GetR()) + (oldJ*other.GetK()) - (oldK*other.GetJ());
m_J = (oldR*other.GetJ()) + (oldJ*other.GetR()) + (oldK*other.GetI()) - (oldI*other.GetK());
m_K = (oldR*other.GetK()) + (oldK*other.GetR()) + (oldI*other.GetJ()) - (oldJ*other.GetI());
}
