66 		friend bool operator==(const Matrix &M, const Matrix &N);
67 		friend bool operator!=(const Matrix &M, const Matrix &N);
69 		friend Matrix operator+(const Matrix &M, const Matrix &N);
70 		friend Matrix operator-(const Matrix &M, const Matrix &N);
71 		friend Matrix operator*(float s, const Matrix &M);
72 		friend Matrix operator*(const Matrix &M, const Matrix &N);
73 		friend Matrix operator/(const Matrix &M, float s);
77 		static float det(const Matrix &M);
89 		static float det3(const Matrix &M);
91 		static float tr(const Matrix &M);
121 		Matrix &M = *this;  in Matrix()  local
123 		M(1, 1) = s; M(1, 2) = 0; M(1, 3) = 0; M(1, 4) = 0;  in Matrix()
124 		M(2, 1) = 0; M(2, 2) = s; M(2, 3) = 0; M(2, 4) = 0;  in Matrix()
125 		M(3, 1) = 0; M(3, 2) = 0; M(3, 3) = s; M(3, 4) = 0;  in Matrix()
126 		M(4, 1) = 0; M(4, 2) = 0; M(4, 3) = 0; M(4, 4) = s;  in Matrix()
131 		Matrix &M = *this;  in Matrix()  local
133 		M(1, 1) = m[0];  M(1, 2) = m[1];  M(1, 3) = m[2];  M(1, 4) = m[3];  in Matrix()
134 		M(2, 1) = m[4];  M(2, 2) = m[5];  M(2, 3) = m[6];  M(2, 4) = m[7];  in Matrix()
135 		M(3, 1) = m[8];  M(3, 2) = m[8];  M(3, 3) = m[10]; M(3, 4) = m[11];  in Matrix()
136 		M(4, 1) = m[12]; M(4, 2) = m[13]; M(4, 3) = m[14]; M(4, 4) = m[15];  in Matrix()
141 		Matrix &M = *this;  in Matrix()  local
143 		M[0][0] = m[0][0];  M[0][1] = m[0][1];  M[0][2] = m[0][2];  M[0][3] = m[0][3];  in Matrix()
144 		M[1][0] = m[1][0];  M[1][1] = m[1][1];  M[1][2] = m[1][2];  M[1][3] = m[1][3];  in Matrix()
145 		M[2][0] = m[2][0];  M[2][1] = m[2][1];  M[2][2] = m[2][2];  M[2][3] = m[2][3];  in Matrix()
146 		M[3][0] = m[3][0];  M[3][1] = m[3][1];  M[3][2] = m[3][2];  M[3][3] = m[3][3];  in Matrix()
153 		Matrix &M = *this;  in Matrix()  local
155 		M(1, 1) = m11; M(1, 2) = m12; M(1, 3) = m13; M(1, 4) = 0;  in Matrix()
156 		M(2, 1) = m21; M(2, 2) = m22; M(2, 3) = m23; M(2, 4) = 0;  in Matrix()
157 		M(3, 1) = m31; M(3, 2) = m32; M(3, 3) = m33; M(3, 4) = 0;  in Matrix()
158 		M(4, 1) = 0;   M(4, 2) = 0;   M(4, 3) = 0;   M(4, 4) = 1;  in Matrix()
166 		Matrix &M = *this;  in Matrix()  local
168 		M(1, 1) = m11; M(1, 2) = m12; M(1, 3) = m13; M(1, 4) = m14;  in Matrix()
169 		M(2, 1) = m21; M(2, 2) = m22; M(2, 3) = m23; M(2, 4) = m24;  in Matrix()
170 		M(3, 1) = m31; M(3, 2) = m32; M(3, 3) = m33; M(3, 4) = m34;  in Matrix()
171 		M(4, 1) = m41; M(4, 2) = m42; M(4, 3) = m43; M(4, 4) = m44;  in Matrix()
176 		Matrix &M = *this;  in Matrix()  local
178 		M(1, 1) = v1.x; M(1, 2) = v2.x; M(1, 3) = v3.x; M(1, 4) = 0;  in Matrix()
179 		M(2, 1) = v1.y; M(2, 2) = v2.y; M(2, 3) = v3.y; M(2, 4) = 0;  in Matrix()
180 		M(3, 1) = v1.z; M(3, 2) = v2.z; M(3, 3) = v3.z; M(3, 4) = 0;  in Matrix()
181 		M(4, 1) = 0;    M(4, 2) = 0;    M(4, 3) = 0;    M(4, 4) = 1;  in Matrix()
186 		Matrix &M = *this;  in operator =()  local
188 		M(1, 1) = N(1, 1); M(1, 2) = N(1, 2); M(1, 3) = N(1, 3); M(1, 4) = N(1, 4);  in operator =()
189 		M(2, 1) = N(2, 1); M(2, 2) = N(2, 2); M(2, 3) = N(2, 3); M(2, 4) = N(2, 4);  in operator =()
190 		M(3, 1) = N(3, 1); M(3, 2) = N(3, 2); M(3, 3) = N(3, 3); M(3, 4) = N(3, 4);  in operator =()
191 		M(4, 1) = N(4, 1); M(4, 2) = N(4, 2); M(4, 3) = N(4, 3); M(4, 4) = N(4, 4);  in operator =()
193 		return M;  in operator =()