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vpGaussRand.h
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29  *
30  * Description:
31  * Generation of random number with uniform and normal probability density.
32  *
33  * Authors:
34  * Eric Marchand
35  *
36  *****************************************************************************/
37 
38 
39 #ifndef vpGaussRand_hh
40 #define vpGaussRand_hh
41 
42 #include <visp3/core/vpConfig.h>
43 #include <visp3/core/vpUniRand.h>
44 
119 class VISP_EXPORT vpGaussRand : public vpUniRand
120 {
121 private :
122  double mean;
123  double sigma;
124  double gaussianDraw();
125 
126 public:
127 
131  vpGaussRand() : vpUniRand(), mean(0), sigma(0) {}
132 
140  vpGaussRand(const double sigma_val, const double mean_val, const long noise_seed = 0)
141  : vpUniRand(noise_seed), mean(mean_val), sigma(sigma_val) {}
142 
149  void setSigmaMean(const double sigma_val, const double mean_val) {
150  this->mean = mean_val;
151  this->sigma = sigma_val;
152  }
153 
159  void seed(const long seed_val) {
160  x=seed_val;
161  }
162 
166  double operator()() {
167  return sigma*gaussianDraw()+mean;
168  }
169 };
170 
171 #endif
void setSigmaMean(const double sigma_val, const double mean_val)
Definition: vpGaussRand.h:149
void seed(const long seed_val)
Definition: vpGaussRand.h:159
double operator()()
Definition: vpGaussRand.h:166
vpGaussRand(const double sigma_val, const double mean_val, const long noise_seed=0)
Definition: vpGaussRand.h:140
Class for generating random number with normal probability density.
Definition: vpGaussRand.h:119
Class for generating random numbers with uniform probability density.
Definition: vpUniRand.h:64