23 template<typename T>
28             T x_;
29             T y_;
30             T z_;
32         T data_[3];
36     Vector3(T x, T y, T z);
37     explicit Vector3(T* v);
41     T Dot(const Vector3<T>& other) const;
42     Vector3 Cross(const Vector3<T>& other) const;
43     T GetSqrLength() const;
44     T GetLength() const;
46     void SetValues(T x, T y, T z);
47     T Normalize();
49     Vector3& operator*=(const Vector3<T>& other);
50     Vector3& operator*=(T s);
51     Vector3 operator*(T s) const;
52     Vector3 operator+(const Vector3<T>& other) const;
53     Vector3& operator+=(const Vector3<T>& other);
54     Vector3& operator=(const Vector3<T>& other);
55     Vector3 operator-(const Vector3<T>& other) const;
56     T operator[](int index) const;
57     T& operator[](int index);
59     T* GetData();
66 template<typename T>
67 const Vector3<T> Vector3<T>::ZERO(0.0, 0.0, 0.0);
69 template<typename T>
70 Vector3<T>::Vector3()  in Vector3()
77 template<typename T>
78 Vector3<T>::Vector3(T x, T y, T z)  in Vector3()
85 template<typename T>
86 Vector3<T>::Vector3(T* v)  in Vector3()
93 template<typename T>
94 Vector3<T>::~Vector3()  in ~Vector3()
97 template<typename T>
98 Vector3<T> Vector3<T>::Normalized() const  in Normalized()
100     Vector3<T> rNormalize(*this);  in Normalized()
105 template<typename T>
106 T Vector3<T>::Dot(const Vector3<T>& other) const  in Dot()
108     const T* oData = other.data_;  in Dot()
109     T sum = data_[0] * oData[0];  in Dot()
115 template<typename T>
116 Vector3<T> Vector3<T>::Cross(const Vector3<T>& other) const  in Cross()
118     T x = data_[0];  in Cross()
119     T y = data_[1];  in Cross()
120     T z = data_[2];  in Cross()
121     const T* oData = other.data_;  in Cross()
122     T oX = oData[0];  in Cross()
123     T oY = oData[1];  in Cross()
124     T oZ = oData[2];  in Cross()
125     Vector3<T> rCross;  in Cross()
130 template<typename T>
131 T Vector3<T>::GetSqrLength() const  in GetSqrLength()
133     T x = data_[0];  in GetSqrLength()
134     T y = data_[1];  in GetSqrLength()
135     T z = data_[2];  in GetSqrLength()
139 template<typename T>
140 T Vector3<T>::GetLength() const  in GetLength()
145 template<typename T>
146 void Vector3<T>::SetZero()  in SetZero()
151 template<typename T>
152 void Vector3<T>::SetValues(T x, T y, T z)  in SetValues()
159 template<typename T>
160 T Vector3<T>::Normalize()  in Normalize()
162     T l = GetLength();  in Normalize()
163     if (MMI_EQ<T>(l, 0.0)) {  in Normalize()
167     const T d = 1.0f / l;  in Normalize()
174 template<typename T>
175 Vector3<T>& Vector3<T>::operator*=(const Vector3<T>& other)
177     const T* oData = other.data_;
184 template<typename T>
185 Vector3<T>& Vector3<T>::operator*=(T s)
193 template<typename T>
194 Vector3<T> Vector3<T>::operator*(T s) const
196     Vector3<T> rMulti(*this);
197     T* rData = rMulti.data_;
205 template<typename T>
206 Vector3<T> Vector3<T>::operator+(const Vector3<T>& other) const
208     Vector3<T> rVec = *this;
213 template<typename T>
214 Vector3<T>& Vector3<T>::operator+=(const Vector3<T>& other)
222 template<typename T>
223 Vector3<T>& Vector3<T>::operator=(const Vector3<T>& other)
231 template<typename T>
232 Vector3<T> Vector3<T>::operator-(const Vector3<T>& other) const
234     Vector3<T> rSub(*this);
235     T* rData = rSub.data_;
236     const T* oData = other.data_;
243 template<typename T>
244 T Vector3<T>::operator[](int index) const
249 template<typename T>
250 T& Vector3<T>::operator[](int index)
255 template<typename T>
256 inline bool Vector3<T>::operator==(const Vector3& other) const
258     const T* oData = other.data_;
260 …return (MMI_EQ<T>(data_[0], oData[0])) && (MMI_EQ<T>(data_[1], oData[1])) && (MMI_EQ<T>(data_[2], …
263 template<typename T>
264 inline T* Vector3<T>::GetData()  in GetData()