/// <summary>
/// 同除以一个实数
/// </summary>
/// <param name="q"></param>
/// <param name="f"></param>
/// <returns></returns>
public static Quaternions operator/(Quaternions q, double f)
{
Quaternions t = new Quaternions();
t.T = q.T / f;
t.V = q.V / f;
return(t);
}
/// <summary>
/// 四元数的积
/// </summary>
/// <param name="q1"></param>
/// <param name="q2"></param>
/// <returns></returns>
public static Quaternions operator*(Quaternions q1, Quaternions q2)
{
Quaternions q = new Quaternions();
q.T = q1.T * q2.T - q1.V * q2.V;
q.V = q1.T * q2.V + q2.T * q1.V + q1.V.XMultpy(q2.V);
return(q);
}