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/*=========================================================================
Program: Visualization Toolkit
Module: vtkBoxMuellerRandomSequence.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkBoxMuellerRandomSequence
* @brief Gaussian sequence of pseudo random numbers implemented with the Box-Mueller transform
*
* vtkGaussianRandomSequence is a sequence of pseudo random numbers
* distributed according to the Gaussian/normal distribution (mean=0 and
* standard deviation=1).
*
* It based is calculation from a uniformly distributed pseudo random sequence.
* The initial sequence is a vtkMinimalStandardRandomSequence.
*/
#ifndef vtkBoxMuellerRandomSequence_h
#define vtkBoxMuellerRandomSequence_h
#include "vtkCommonCoreModule.h" // For export macro
#include "vtkGaussianRandomSequence.h"
VTK_ABI_NAMESPACE_BEGIN
class VTKCOMMONCORE_EXPORT vtkBoxMuellerRandomSequence : public vtkGaussianRandomSequence
{
public:
///@{
/**
* Standard methods for instantiation, type information, and printing.
*/
static vtkBoxMuellerRandomSequence* New();
vtkTypeMacro(vtkBoxMuellerRandomSequence, vtkGaussianRandomSequence);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@}
/**
* Satisfy general API of vtkRandomSequence superclass. Initialize the
* sequence with a seed.
*/
void Initialize(vtkTypeUInt32 vtkNotUsed(seed)) override {}
/**
* Current value.
*/
double GetValue() override;
/**
* Move to the next number in the random sequence.
*/
void Next() override;
/**
* Return the uniformly distributed sequence of random numbers.
*/
vtkRandomSequence* GetUniformSequence();
/**
* Set the uniformly distributed sequence of random numbers.
* Default is a .
*/
void SetUniformSequence(vtkRandomSequence* uniformSequence);
protected:
vtkBoxMuellerRandomSequence();
~vtkBoxMuellerRandomSequence() override;
vtkRandomSequence* UniformSequence;
double Value;
private:
vtkBoxMuellerRandomSequence(const vtkBoxMuellerRandomSequence&) = delete;
void operator=(const vtkBoxMuellerRandomSequence&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif // #ifndef vtkBoxMuellerRandomSequence_h
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