56         Float3 res = new Float3();  in add()  local
57         res.x = a.x + b.x;  in add()
58         res.y = a.y + b.y;  in add()
59         res.z = a.z + b.z;  in add()
61         return res;  in add()
94         Float3 res = new Float3();  in add()  local
95         res.x = a.x + b;  in add()
96         res.y = a.y + b;  in add()
97         res.z = a.z + b;  in add()
99         return res;  in add()
121         Float3 res = new Float3();  in sub()  local
122         res.x = a.x - b.x;  in sub()
123         res.y = a.y - b.y;  in sub()
124         res.z = a.z - b.z;  in sub()
126         return res;  in sub()
148         Float3 res = new Float3();  in sub()  local
149         res.x = a.x - b;  in sub()
150         res.y = a.y - b;  in sub()
151         res.z = a.z - b;  in sub()
153         return res;  in sub()
175         Float3 res = new Float3();  in mul()  local
176         res.x = a.x * b.x;  in mul()
177         res.y = a.y * b.y;  in mul()
178         res.z = a.z * b.z;  in mul()
180         return res;  in mul()
202         Float3 res = new Float3();  in mul()  local
203         res.x = a.x * b;  in mul()
204         res.y = a.y * b;  in mul()
205         res.z = a.z * b;  in mul()
207         return res;  in mul()
229         Float3 res = new Float3();  in div()  local
230         res.x = a.x / b.x;  in div()
231         res.y = a.y / b.y;  in div()
232         res.z = a.z / b.z;  in div()
234         return res;  in div()
256         Float3 res = new Float3();  in div()  local
257         res.x = a.x / b;  in div()
258         res.y = a.y / b;  in div()
259         res.z = a.z / b;  in div()
261         return res;  in div()