68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkGaussianRandomSequence.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkGaussianRandomSequence
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* @brief Gaussian sequence of pseudo random numbers
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*
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* vtkGaussianRandomSequence is a sequence of pseudo random numbers
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* distributed according to the Gaussian/normal distribution (mean=0 and
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* standard deviation=1)
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*
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* This is just an interface.
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*/
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#ifndef vtkGaussianRandomSequence_h
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#define vtkGaussianRandomSequence_h
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#include "vtkCommonCoreModule.h" // For export macro
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#include "vtkRandomSequence.h"
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class VTKCOMMONCORE_EXPORT vtkGaussianRandomSequence : public vtkRandomSequence
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{
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public:
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///@{
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/**
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* Standard methods for type information and printing.
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*/
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vtkTypeMacro(vtkGaussianRandomSequence, vtkRandomSequence);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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///@}
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/**
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* Convenient method to return a value given the mean and standard deviation
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* of the Gaussian distribution from the Gaussian distribution of mean=0
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* and standard deviation=1.0. There is an initial implementation that can
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* be overridden by a subclass.
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*/
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virtual double GetScaledValue(double mean, double standardDeviation);
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/**
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* Return the next value in the sequence given the mean and standard
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* deviation of the Gaussian.
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*
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* \see vtkGaussianRandomSequence::GetScaledValue
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*/
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double GetNextScaledValue(double mean, double standardDeviation);
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protected:
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vtkGaussianRandomSequence();
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~vtkGaussianRandomSequence() override;
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private:
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vtkGaussianRandomSequence(const vtkGaussianRandomSequence&) = delete;
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void operator=(const vtkGaussianRandomSequence&) = delete;
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};
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#endif // #ifndef vtkGaussianRandomSequence_h
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