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84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkBoxMuellerRandomSequence.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 vtkBoxMuellerRandomSequence
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* @brief Gaussian sequence of pseudo random numbers implemented with the Box-Mueller transform
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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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* It based is calculation from a uniformly distributed pseudo random sequence.
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* The initial sequence is a vtkMinimalStandardRandomSequence.
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*/
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#ifndef vtkBoxMuellerRandomSequence_h
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#define vtkBoxMuellerRandomSequence_h
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#include "vtkCommonCoreModule.h" // For export macro
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#include "vtkGaussianRandomSequence.h"
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class VTKCOMMONCORE_EXPORT vtkBoxMuellerRandomSequence : public vtkGaussianRandomSequence
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{
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public:
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//@{
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/**
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* Standard methods for instantiation, type information, and printing.
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*/
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static vtkBoxMuellerRandomSequence* New();
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vtkTypeMacro(vtkBoxMuellerRandomSequence, vtkGaussianRandomSequence);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@}
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/**
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* Satisfy general API of vtkRandomSequence superclass. Initialize the
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* sequence with a seed.
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*/
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void Initialize(vtkTypeUInt32 vtkNotUsed(seed)) override {}
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/**
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* Current value.
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*/
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double GetValue() override;
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/**
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* Move to the next number in the random sequence.
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*/
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void Next() override;
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/**
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* Return the uniformly distributed sequence of random numbers.
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*/
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vtkRandomSequence* GetUniformSequence();
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/**
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* Set the uniformly distributed sequence of random numbers.
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* Default is a .
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*/
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void SetUniformSequence(vtkRandomSequence* uniformSequence);
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protected:
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vtkBoxMuellerRandomSequence();
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~vtkBoxMuellerRandomSequence() override;
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vtkRandomSequence* UniformSequence;
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double Value;
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private:
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vtkBoxMuellerRandomSequence(const vtkBoxMuellerRandomSequence&) = delete;
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void operator=(const vtkBoxMuellerRandomSequence&) = delete;
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};
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#endif // #ifndef vtkBoxMuellerRandomSequence_h
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