# | Line 39 | Line 39 | namespace oopse { | |
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39 | ||
40 | namespace oopse { | |
41 | ||
42 | + | const double epsilon = 0.000001; |
43 | + | |
44 | + | template<typename T> |
45 | + | inline bool equal(T e1, T e2) { |
46 | + | return e1 == e2; |
47 | + | } |
48 | + | |
49 | + | template<> |
50 | + | inline bool equal(float e1, float e2) { |
51 | + | return fabs(e1 - e2) < epsilon; |
52 | + | } |
53 | + | |
54 | + | template<> |
55 | + | inline bool equal(double e1, double e2) { |
56 | + | return fabs(e1 - e2) < epsilon; |
57 | + | } |
58 | + | |
59 | /** | |
60 | * @class Vector Vector.hpp "math/Vector.hpp" | |
61 | * @brief Fix length vector class | |
# | Line 68 | Line 85 | namespace oopse { | |
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 | /** | |
# | Line 115 | Line 138 | namespace oopse { | |
138 | return data_[i]; | |
139 | } | |
140 | ||
141 | + | /** |
142 | + | * Tests if this vetor is equal to other vector |
143 | + | * @return true if equal, otherwise return false |
144 | + | * @param v vector to be compared |
145 | + | */ |
146 | + | inline bool operator ==(const Vector<Real, Dim>& v) { |
147 | + | |
148 | + | for (unsigned int i = 0; i < Dim; i ++) { |
149 | + | if (!equal(data_[i], v[i])) { |
150 | + | return false; |
151 | + | } |
152 | + | } |
153 | + | |
154 | + | return true; |
155 | + | } |
156 | + | |
157 | + | /** |
158 | + | * Tests if this vetor is not equal to other vector |
159 | + | * @return true if equal, otherwise return false |
160 | + | * @param v vector to be compared |
161 | + | */ |
162 | + | inline bool operator !=(const Vector<Real, Dim>& v) { |
163 | + | return !(*this == v); |
164 | + | } |
165 | + | |
166 | /** Negates the value of this vector in place. */ | |
167 | inline void negate() { | |
168 | < | data_[0] = -data_[0]; |
169 | < | data_[1] = -data_[1]; |
122 | < | data_[2] = -data_[2]; |
168 | > | for (unsigned int i = 0; i < Dim; i++) |
169 | > | data_[i] = -data_[i]; |
170 | } | |
171 | ||
172 | /** | |
# | Line 137 | Line 184 | namespace oopse { | |
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 | /** | |
# | Line 147 | Line 194 | namespace oopse { | |
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 | /** | |
# | Line 175 | Line 222 | namespace oopse { | |
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 | |
186 | – | * @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 | ||
# | Line 195 | Line 242 | namespace oopse { | |
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 | ||
# | Line 205 | Line 252 | namespace oopse { | |
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 | ||
# | Line 245 | Line 292 | namespace oopse { | |
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 | ||
# | Line 256 | Line 303 | namespace oopse { | |
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 | /** | |
# | Line 305 | Line 362 | namespace oopse { | |
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 | ||
# | Line 318 | Line 375 | namespace oopse { | |
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 | ||
# | Line 335 | Line 392 | namespace oopse { | |
392 | return result; | |
393 | } | |
394 | ||
338 | – | /** |
339 | – | * Returns the value of division of a vector by a scalar. |
340 | – | * @return the vaule of scalar division of this vector |
341 | – | * @param s the scalar value |
342 | – | * @param v1 the source vector |
343 | – | */ |
344 | – | template<typename Real, unsigned int Dim> |
345 | – | inline Vector<Real, Dim> operator /( double s, const Vector<Real, Dim>& v1 ) { |
346 | – | Vector<Real, Dim> result; |
347 | – | result.div( v1,s); |
348 | – | return result; |
349 | – | } |
350 | – | |
395 | /** fuzzy comparson */ | |
396 | template<typename Real, unsigned int Dim> | |
397 | inline bool epsilonEqual( const Vector<Real, Dim>& v1, const Vector<Real, Dim>& v2 ) { | |
# | Line 363 | Line 407 | namespace oopse { | |
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 | /** | |
# | Line 400 | Line 444 | namespace oopse { | |
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 |
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