85 |
|
|
86 |
|
return *this; |
87 |
|
} |
88 |
+ |
|
89 |
+ |
template<typename T> |
90 |
+ |
inline Vector(const T& s){ |
91 |
+ |
for (unsigned int i = 0; i < Dim; i++) |
92 |
+ |
data_[i] = s; |
93 |
+ |
} |
94 |
|
|
95 |
|
/** Constructs and initializes a Vector from an array */ |
96 |
|
inline Vector( double* v) { |
97 |
< |
for (unsigned int i = 0; i < Dim; i++) |
98 |
< |
data_[i] = v[i]; |
97 |
> |
for (unsigned int i = 0; i < Dim; i++) |
98 |
> |
data_[i] = v[i]; |
99 |
|
} |
100 |
|
|
101 |
|
/** |
165 |
|
|
166 |
|
/** Negates the value of this vector in place. */ |
167 |
|
inline void negate() { |
168 |
< |
data_[0] = -data_[0]; |
169 |
< |
data_[1] = -data_[1]; |
164 |
< |
data_[2] = -data_[2]; |
168 |
> |
for (unsigned int i = 0; i < Dim; i++) |
169 |
> |
data_[i] = -data_[i]; |
170 |
|
} |
171 |
|
|
172 |
|
/** |
184 |
|
* @param v1 the other vector |
185 |
|
*/ |
186 |
|
inline void add( const Vector<Real, Dim>& v1 ) { |
187 |
< |
for (unsigned int i = 0; i < Dim; i++) |
188 |
< |
data_[i] += v1.data_[i]; |
187 |
> |
for (unsigned int i = 0; i < Dim; i++) |
188 |
> |
data_[i] += v1.data_[i]; |
189 |
|
} |
190 |
|
|
191 |
|
/** |
194 |
|
* @param v2 the second vector |
195 |
|
*/ |
196 |
|
inline void add( const Vector<Real, Dim>& v1, const Vector<Real, Dim>& v2 ) { |
197 |
< |
for (unsigned int i = 0; i < Dim; i++) |
198 |
< |
data_[i] = v1.data_[i] + v2.data_[i]; |
197 |
> |
for (unsigned int i = 0; i < Dim; i++) |
198 |
> |
data_[i] = v1.data_[i] + v2.data_[i]; |
199 |
|
} |
200 |
|
|
201 |
|
/** |
222 |
|
* @param s the scalar value |
223 |
|
*/ |
224 |
|
inline void mul( double s ) { |
225 |
< |
for (unsigned int i = 0; i < Dim; i++) |
225 |
> |
for (unsigned int i = 0; i < Dim; i++) |
226 |
|
data_[i] *= s; |
227 |
|
} |
228 |
|
|
229 |
|
/** |
230 |
|
* Sets the value of this vector to the scalar multiplication of vector v1 |
231 |
|
* (*this = s * v1). |
232 |
+ |
* @param v1 the vector |
233 |
|
* @param s the scalar value |
228 |
– |
* @param v1 the vector |
234 |
|
*/ |
235 |
< |
inline void mul( double s, const Vector<Real, Dim>& v1 ) { |
236 |
< |
for (unsigned int i = 0; i < Dim; i++) |
235 |
> |
inline void mul( const Vector<Real, Dim>& v1, double s) { |
236 |
> |
for (unsigned int i = 0; i < Dim; i++) |
237 |
|
data_[i] = s * v1.data_[i]; |
238 |
|
} |
239 |
|
|
242 |
|
* @param s the scalar value |
243 |
|
*/ |
244 |
|
inline void div( double s) { |
245 |
< |
for (unsigned int i = 0; i < Dim; i++) |
245 |
> |
for (unsigned int i = 0; i < Dim; i++) |
246 |
|
data_[i] /= s; |
247 |
|
} |
248 |
|
|
252 |
|
* @param s the scalar value |
253 |
|
*/ |
254 |
|
inline void div( const Vector<Real, Dim>& v1, double s ) { |
255 |
< |
for (unsigned int i = 0; i < Dim; i++) |
255 |
> |
for (unsigned int i = 0; i < Dim; i++) |
256 |
|
data_[i] = v1.data_[i] / s; |
257 |
|
} |
258 |
|
|
292 |
|
* Returns the squared length of this vector. |
293 |
|
* @return the squared length of this vector |
294 |
|
*/ |
295 |
< |
inline double lengthSquared() { |
295 |
> |
inline double lengthSquare() { |
296 |
|
return dot(*this, *this); |
297 |
|
} |
298 |
|
|
303 |
|
len = length(); |
304 |
|
*this /= len; |
305 |
|
} |
306 |
+ |
|
307 |
+ |
/** |
308 |
+ |
* Tests if this vector is normalized |
309 |
+ |
* @return true if this vector is normalized, otherwise return false |
310 |
+ |
*/ |
311 |
+ |
inline bool isNormalized() const |
312 |
+ |
{ |
313 |
+ |
return lengthSquare() == 1.0; |
314 |
+ |
} |
315 |
|
|
316 |
|
protected: |
317 |
< |
double data_[3]; |
317 |
> |
double data_[Dim]; |
318 |
|
|
319 |
|
}; |
320 |
|
|
321 |
|
/** unary minus*/ |
322 |
|
template<typename Real, unsigned int Dim> |
323 |
|
inline Vector<Real, Dim> operator -(const Vector<Real, Dim>& v1){ |
324 |
< |
Vector tmp(v1); |
325 |
< |
return tmp.negate(); |
324 |
> |
Vector<Real, Dim> tmp(v1); |
325 |
> |
tmp.negate(); |
326 |
> |
return tmp; |
327 |
|
} |
328 |
|
|
329 |
|
/** |
362 |
|
template<typename Real, unsigned int Dim> |
363 |
|
Vector<Real, Dim> operator * ( const Vector<Real, Dim>& v1, double s) { |
364 |
|
Vector<Real, Dim> result; |
365 |
< |
result.mul(s, v1); |
365 |
> |
result.mul(v1,s); |
366 |
|
return result; |
367 |
|
} |
368 |
|
|
375 |
|
template<typename Real, unsigned int Dim> |
376 |
|
Vector<Real, Dim> operator * ( double s, const Vector<Real, Dim>& v1 ) { |
377 |
|
Vector<Real, Dim> result; |
378 |
< |
result.mul(s, v1); |
378 |
> |
result.mul(v1, s); |
379 |
|
return result; |
380 |
|
} |
381 |
|
|
392 |
|
return result; |
393 |
|
} |
394 |
|
|
380 |
– |
/** |
381 |
– |
* Returns the value of division of a vector by a scalar. |
382 |
– |
* @return the vaule of scalar division of this vector |
383 |
– |
* @param s the scalar value |
384 |
– |
* @param v1 the source vector |
385 |
– |
*/ |
386 |
– |
template<typename Real, unsigned int Dim> |
387 |
– |
inline Vector<Real, Dim> operator /( double s, const Vector<Real, Dim>& v1 ) { |
388 |
– |
Vector<Real, Dim> result; |
389 |
– |
result.div( v1,s); |
390 |
– |
return result; |
391 |
– |
} |
392 |
– |
|
395 |
|
/** fuzzy comparson */ |
396 |
|
template<typename Real, unsigned int Dim> |
397 |
|
inline bool epsilonEqual( const Vector<Real, Dim>& v1, const Vector<Real, Dim>& v2 ) { |
407 |
|
*/ |
408 |
|
template<typename Real, unsigned int Dim> |
409 |
|
inline Real dot( const Vector<Real, Dim>& v1, const Vector<Real, Dim>& v2 ) { |
410 |
< |
Real tmp; |
411 |
< |
tmp = 0; |
410 |
> |
Real tmp; |
411 |
> |
tmp = 0; |
412 |
|
|
413 |
< |
for (unsigned int i = 0; i < Dim; i++) |
414 |
< |
tmp += v1[i] + v2[i]; |
415 |
< |
|
416 |
< |
return tmp; |
413 |
> |
for (unsigned int i = 0; i < Dim; i++) |
414 |
> |
tmp += v1[i] + v2[i]; |
415 |
> |
|
416 |
> |
return tmp; |
417 |
|
} |
418 |
|
|
419 |
|
/** |
444 |
|
* Write to an output stream |
445 |
|
*/ |
446 |
|
template<typename Real, unsigned int Dim> |
447 |
< |
std::ostream &operator<< ( std::ostream& o, const Vector<Real, Dim>& v1 ) { |
448 |
< |
|
447 |
> |
std::ostream &operator<< ( std::ostream& o, const Vector<Real, Dim>& v) { |
448 |
> |
|
449 |
> |
o << "[" << v[0] << ", " << v[1] << ", " << v[2] << "]" << endl; |
450 |
|
return o; |
451 |
|
} |
452 |
|
|