Visual Servoing Platform  version 3.1.0
vpGaussRand.h
1 /****************************************************************************
2  *
3  * This file is part of the ViSP software.
4  * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
5  *
6  * This software is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  * See the file LICENSE.txt at the root directory of this source
11  * distribution for additional information about the GNU GPL.
12  *
13  * For using ViSP with software that can not be combined with the GNU
14  * GPL, please contact Inria about acquiring a ViSP Professional
15  * Edition License.
16  *
17  * See http://visp.inria.fr for more information.
18  *
19  * This software was developed at:
20  * Inria Rennes - Bretagne Atlantique
21  * Campus Universitaire de Beaulieu
22  * 35042 Rennes Cedex
23  * France
24  *
25  * If you have questions regarding the use of this file, please contact
26  * Inria at visp@inria.fr
27  *
28  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
29  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30  *
31  * Description:
32  * Generation of random number with uniform and normal probability density.
33  *
34  * Authors:
35  * Eric Marchand
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 
120 class VISP_EXPORT vpGaussRand : public vpUniRand
121 {
122 private:
123  double mean;
124  double sigma;
125  double gaussianDraw();
126 
127 public:
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  {
143  }
144 
151  void setSigmaMean(const double sigma_val, const double mean_val)
152  {
153  this->mean = mean_val;
154  this->sigma = sigma_val;
155  }
156 
162  void seed(const long seed_val) { x = seed_val; }
163 
167  double operator()() { return sigma * gaussianDraw() + mean; }
168 };
169 
170 #endif
void setSigmaMean(const double sigma_val, const double mean_val)
Definition: vpGaussRand.h:151
void seed(const long seed_val)
Definition: vpGaussRand.h:162
double operator()()
Definition: vpGaussRand.h:167
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:120
Class for generating random numbers with uniform probability density.
Definition: vpUniRand.h:65