55 |
|
inline bool equal(double e1, double e2) { |
56 |
|
return fabs(e1 - e2) < epsilon; |
57 |
|
} |
58 |
+ |
|
59 |
|
|
60 |
|
/** |
61 |
|
* @class Vector Vector.hpp "math/Vector.hpp" |
65 |
|
class Vector{ |
66 |
|
public: |
67 |
|
|
68 |
+ |
typedef Real ElemType; |
69 |
+ |
typedef Real* ElemPoinerType; |
70 |
+ |
|
71 |
|
/** default constructor */ |
72 |
|
inline Vector(){ |
73 |
|
for (unsigned int i = 0; i < Dim; i++) |
97 |
|
} |
98 |
|
|
99 |
|
/** Constructs and initializes a Vector from an array */ |
100 |
< |
inline Vector( double* v) { |
100 |
> |
inline Vector( Real* v) { |
101 |
|
for (unsigned int i = 0; i < Dim; i++) |
102 |
|
data_[i] = v[i]; |
103 |
|
} |
107 |
|
* @return reference of ith element |
108 |
|
* @param i index |
109 |
|
*/ |
110 |
< |
inline double& operator[](unsigned int i) { |
110 |
> |
inline Real& operator[](unsigned int i) { |
111 |
|
assert( i < Dim); |
112 |
|
return data_[i]; |
113 |
|
} |
117 |
|
* @return reference of ith element |
118 |
|
* @param i index |
119 |
|
*/ |
120 |
< |
inline double& operator()(unsigned int i) { |
120 |
> |
inline Real& operator()(unsigned int i) { |
121 |
|
assert( i < Dim); |
122 |
|
return data_[i]; |
123 |
|
} |
127 |
|
* @return reference of ith element |
128 |
|
* @param i index |
129 |
|
*/ |
130 |
< |
inline const double& operator[](unsigned int i) const { |
130 |
> |
inline const Real& operator[](unsigned int i) const { |
131 |
|
assert( i < Dim); |
132 |
|
return data_[i]; |
133 |
|
} |
137 |
|
* @return reference of ith element |
138 |
|
* @param i index |
139 |
|
*/ |
140 |
< |
inline const double& operator()(unsigned int i) const { |
140 |
> |
inline const Real& operator()(unsigned int i) const { |
141 |
|
assert( i < Dim); |
142 |
|
return data_[i]; |
143 |
|
} |
144 |
|
|
145 |
+ |
/** Returns the pointer of internal array */ |
146 |
+ |
Real* getArrayPointer() { |
147 |
+ |
return data_; |
148 |
+ |
} |
149 |
+ |
|
150 |
|
/** |
151 |
|
* Tests if this vetor is equal to other vector |
152 |
|
* @return true if equal, otherwise return false |
193 |
|
* @param v1 the other vector |
194 |
|
*/ |
195 |
|
inline void add( const Vector<Real, Dim>& v1 ) { |
196 |
< |
for (unsigned int i = 0; i < Dim; i++) |
197 |
< |
data_[i] += v1.data_[i]; |
198 |
< |
} |
196 |
> |
for (unsigned int i = 0; i < Dim; i++) |
197 |
> |
data_[i] += v1.data_[i]; |
198 |
> |
} |
199 |
|
|
200 |
|
/** |
201 |
|
* Sets the value of this vector to the sum of v1 and v2 (*this = v1 + v2). |
230 |
|
* Sets the value of this vector to the scalar multiplication of itself (*this *= s). |
231 |
|
* @param s the scalar value |
232 |
|
*/ |
233 |
< |
inline void mul( double s ) { |
233 |
> |
inline void mul( Real s ) { |
234 |
|
for (unsigned int i = 0; i < Dim; i++) |
235 |
|
data_[i] *= s; |
236 |
|
} |
241 |
|
* @param v1 the vector |
242 |
|
* @param s the scalar value |
243 |
|
*/ |
244 |
< |
inline void mul( const Vector<Real, Dim>& v1, double s) { |
244 |
> |
inline void mul( const Vector<Real, Dim>& v1, Real s) { |
245 |
|
for (unsigned int i = 0; i < Dim; i++) |
246 |
|
data_[i] = s * v1.data_[i]; |
247 |
|
} |
250 |
|
* Sets the value of this vector to the scalar division of itself (*this /= s ). |
251 |
|
* @param s the scalar value |
252 |
|
*/ |
253 |
< |
inline void div( double s) { |
253 |
> |
inline void div( Real s) { |
254 |
|
for (unsigned int i = 0; i < Dim; i++) |
255 |
|
data_[i] /= s; |
256 |
|
} |
260 |
|
* @param v1 the source vector |
261 |
|
* @param s the scalar value |
262 |
|
*/ |
263 |
< |
inline void div( const Vector<Real, Dim>& v1, double s ) { |
263 |
> |
inline void div( const Vector<Real, Dim>& v1, Real s ) { |
264 |
|
for (unsigned int i = 0; i < Dim; i++) |
265 |
|
data_[i] = v1.data_[i] / s; |
266 |
|
} |
278 |
|
} |
279 |
|
|
280 |
|
/** @see #mul */ |
281 |
< |
inline Vector<Real, Dim>& operator *=( double s) { |
281 |
> |
inline Vector<Real, Dim>& operator *=( Real s) { |
282 |
|
mul(s); |
283 |
|
return *this; |
284 |
|
} |
285 |
|
|
286 |
|
/** @see #div */ |
287 |
< |
inline Vector<Real, Dim>& operator /=( double s ) { |
287 |
> |
inline Vector<Real, Dim>& operator /=( Real s ) { |
288 |
|
div(s); |
289 |
|
return *this; |
290 |
|
} |
293 |
|
* Returns the length of this vector. |
294 |
|
* @return the length of this vector |
295 |
|
*/ |
296 |
< |
inline double length() { |
296 |
> |
inline Real length() { |
297 |
|
return sqrt(lengthSquare()); |
298 |
|
} |
299 |
|
|
301 |
|
* Returns the squared length of this vector. |
302 |
|
* @return the squared length of this vector |
303 |
|
*/ |
304 |
< |
inline double lengthSquare() { |
304 |
> |
inline Real lengthSquare() { |
305 |
|
return dot(*this, *this); |
306 |
|
} |
307 |
|
|
308 |
|
/** Normalizes this vector in place */ |
309 |
|
inline void normalize() { |
310 |
< |
double len; |
310 |
> |
Real len; |
311 |
|
|
312 |
|
len = length(); |
313 |
|
|
326 |
|
} |
327 |
|
|
328 |
|
protected: |
329 |
< |
double data_[Dim]; |
329 |
> |
Real data_[Dim]; |
330 |
|
|
331 |
|
}; |
332 |
|
|
372 |
|
* @param s the scalar value |
373 |
|
*/ |
374 |
|
template<typename Real, unsigned int Dim> |
375 |
< |
Vector<Real, Dim> operator * ( const Vector<Real, Dim>& v1, double s) { |
375 |
> |
Vector<Real, Dim> operator * ( const Vector<Real, Dim>& v1, Real s) { |
376 |
|
Vector<Real, Dim> result; |
377 |
|
result.mul(v1,s); |
378 |
|
return result; |
385 |
|
* @param v1 the source vector |
386 |
|
*/ |
387 |
|
template<typename Real, unsigned int Dim> |
388 |
< |
Vector<Real, Dim> operator * ( double s, const Vector<Real, Dim>& v1 ) { |
388 |
> |
Vector<Real, Dim> operator * ( Real s, const Vector<Real, Dim>& v1 ) { |
389 |
|
Vector<Real, Dim> result; |
390 |
|
result.mul(v1, s); |
391 |
|
return result; |
398 |
|
* @param s the scalar value |
399 |
|
*/ |
400 |
|
template<typename Real, unsigned int Dim> |
401 |
< |
Vector<Real, Dim> operator / ( const Vector<Real, Dim>& v1, double s) { |
401 |
> |
Vector<Real, Dim> operator / ( const Vector<Real, Dim>& v1, Real s) { |
402 |
|
Vector<Real, Dim> result; |
403 |
|
result.div( v1,s); |
404 |
|
return result; |
416 |
|
tmp = 0; |
417 |
|
|
418 |
|
for (unsigned int i = 0; i < Dim; i++) |
419 |
< |
tmp += v1[i] + v2[i]; |
419 |
> |
tmp += v1[i] * v2[i]; |
420 |
|
|
421 |
|
return tmp; |
422 |
|
} |
451 |
|
template<typename Real, unsigned int Dim> |
452 |
|
std::ostream &operator<< ( std::ostream& o, const Vector<Real, Dim>& v) { |
453 |
|
|
454 |
< |
o << "[" << v[0] << ", " << v[1] << ", " << v[2] << "]" << endl; |
454 |
> |
o << "[ "; |
455 |
> |
|
456 |
> |
for (unsigned int i = 0 ; i< Dim; i++) { |
457 |
> |
o << v[i]; |
458 |
> |
|
459 |
> |
if (i != Dim -1) { |
460 |
> |
o<< ", "; |
461 |
> |
} |
462 |
> |
} |
463 |
> |
|
464 |
> |
o << " ]"; |
465 |
|
return o; |
466 |
|
} |
467 |
|
|