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/*=========================================================================
Program: Visualization Toolkit
Module: vtkNormalizeMatrixVectors.h
-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------
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 vtkNormalizeMatrixVectors
* @brief given a sparse input matrix, produces
* a sparse output matrix with each vector normalized to unit length with respect
* to a p-norm (default p=2).
*
* @par Thanks:
* Developed by Timothy M. Shead (tshead@sandia.gov) at Sandia National Laboratories.
*/
#ifndef vtkNormalizeMatrixVectors_h
#define vtkNormalizeMatrixVectors_h
#include "vtkArrayDataAlgorithm.h"
#include "vtkFiltersGeneralModule.h" // For export macro
class VTKFILTERSGENERAL_EXPORT vtkNormalizeMatrixVectors : public vtkArrayDataAlgorithm
{
public:
static vtkNormalizeMatrixVectors* New();
vtkTypeMacro(vtkNormalizeMatrixVectors, vtkArrayDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* Controls whether to normalize row-vectors or column-vectors. 0 = rows, 1 = columns.
*/
vtkGetMacro(VectorDimension, int);
vtkSetMacro(VectorDimension, int);
//@}
//@{
/**
* Value of p in p-norm normalization, subject to p >= 1. Default is p=2 (Euclidean norm).
*/
vtkGetMacro(PValue, double);
vtkSetMacro(PValue, double);
//@}
protected:
vtkNormalizeMatrixVectors();
~vtkNormalizeMatrixVectors() override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int VectorDimension;
double PValue;
private:
vtkNormalizeMatrixVectors(const vtkNormalizeMatrixVectors&) = delete;
void operator=(const vtkNormalizeMatrixVectors&) = delete;
};
#endif