Visual Servoing Platform
version 3.6.0
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vpGaussRand.h
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/*
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* ViSP, open source Visual Servoing Platform software.
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* Copyright (C) 2005 - 2023 by Inria. All rights reserved.
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*
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* This software is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file LICENSE.txt at the root directory of this source
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* distribution for additional information about the GNU GPL.
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*
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* For using ViSP with software that can not be combined with the GNU
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* GPL, please contact Inria about acquiring a ViSP Professional
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* Edition License.
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*
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* See https://visp.inria.fr for more information.
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*
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* This software was developed at:
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* Inria Rennes - Bretagne Atlantique
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* Campus Universitaire de Beaulieu
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* 35042 Rennes Cedex
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* France
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*
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* If you have questions regarding the use of this file, please contact
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* Inria at visp@inria.fr
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*
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* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Description:
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* Generation of random number with uniform and normal probability density.
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*/
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#ifndef vpGaussRand_hh
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#define vpGaussRand_hh
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#include <visp3/core/vpConfig.h>
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#include <visp3/core/vpUniRand.h>
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class
VISP_EXPORT
vpGaussRand
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{
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private
:
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double
gaussianDraw();
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vpUniRand
m_rng;
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double
m_mean;
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double
m_sigma;
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bool
m_AlreadyDone;
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double
m_x2;
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public
:
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vpGaussRand
() : m_rng(), m_mean(0), m_sigma(0), m_AlreadyDone(false), m_x2(0) {}
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vpGaussRand
(
double
sigma_val,
double
mean_val,
long
noise_seed = 0)
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: m_rng(noise_seed), m_mean(mean_val), m_sigma(sigma_val), m_AlreadyDone(false), m_x2(0)
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{
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}
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void
setSigmaMean
(
double
sigma_val,
double
mean_val)
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{
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m_mean = mean_val;
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m_sigma = sigma_val;
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}
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void
seed
(
long
seed_val) { m_rng.
setSeed
(seed_val, 0x123465789ULL); }
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double
operator()
() {
return
m_sigma * gaussianDraw() + m_mean; }
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};
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#endif
vpGaussRand
Class for generating random number with normal probability density.
Definition
vpGaussRand.h:116
vpGaussRand::setSigmaMean
void setSigmaMean(double sigma_val, double mean_val)
Definition
vpGaussRand.h:150
vpGaussRand::vpGaussRand
vpGaussRand(double sigma_val, double mean_val, long noise_seed=0)
Definition
vpGaussRand.h:139
vpGaussRand::operator()
double operator()()
Definition
vpGaussRand.h:166
vpGaussRand::seed
void seed(long seed_val)
Definition
vpGaussRand.h:161
vpGaussRand::vpGaussRand
vpGaussRand()
Definition
vpGaussRand.h:130
vpUniRand
Class for generating random numbers with uniform probability density.
Definition
vpUniRand.h:122
vpUniRand::setSeed
void setSeed(uint64_t initstate, uint64_t initseq)
Definition
vpUniRand.cpp:203
modules
core
include
visp3
core
vpGaussRand.h
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