/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkBoostRandomSparseArraySource.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   vtkBoostRandomSparseArraySource
 * @brief   generates a sparse N-way array containing random values.
 *
 * @par Thanks:
 * Developed by Timothy M. Shead (tshead@sandia.gov) at Sandia National Laboratories.
 */

#ifndef vtkBoostRandomSparseArraySource_h
#define vtkBoostRandomSparseArraySource_h

#include "vtkArrayDataAlgorithm.h"
#include "vtkArrayExtents.h"                      // for extents
#include "vtkInfovisBoostGraphAlgorithmsModule.h" // For export macro

class VTKINFOVISBOOSTGRAPHALGORITHMS_EXPORT vtkBoostRandomSparseArraySource
  : public vtkArrayDataAlgorithm
{
public:
  static vtkBoostRandomSparseArraySource* New();
  vtkTypeMacro(vtkBoostRandomSparseArraySource, vtkArrayDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  /**
   * Sets the extents (dimensionality and size) of the output array
   */
  void SetExtents(const vtkArrayExtents&);

  /**
   * Returns the extents (dimensionality and size) of the output array
   */
  vtkArrayExtents GetExtents();

  ///@{
  /**
   * Stores a random-number-seed for determining which elements within
   * the output matrix will have non-zero values
   */
  vtkGetMacro(ElementProbabilitySeed, vtkTypeUInt32);
  vtkSetMacro(ElementProbabilitySeed, vtkTypeUInt32);
  ///@}

  ///@{
  /**
   * Stores the probability (in the range [0, 1]) that an element within
   * the output matrix will have a non-zero value
   */
  vtkGetMacro(ElementProbability, double);
  vtkSetMacro(ElementProbability, double);
  ///@}

  ///@{
  /**
   * Stores a random-number-seed for computing random element values
   */
  vtkGetMacro(ElementValueSeed, vtkTypeUInt32);
  vtkSetMacro(ElementValueSeed, vtkTypeUInt32);
  ///@}

  ///@{
  /**
   * Stores the minimum value of any element
   */
  vtkGetMacro(MinValue, double);
  vtkSetMacro(MinValue, double);
  ///@}

  ///@{
  /**
   * Stores the maximum value of any element
   */
  vtkGetMacro(MaxValue, double);
  vtkSetMacro(MaxValue, double);
  ///@}

protected:
  vtkBoostRandomSparseArraySource();
  ~vtkBoostRandomSparseArraySource() override;

  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

private:
  vtkBoostRandomSparseArraySource(const vtkBoostRandomSparseArraySource&) = delete;
  void operator=(const vtkBoostRandomSparseArraySource&) = delete;

  vtkArrayExtents Extents;

  vtkTypeUInt32 ElementProbabilitySeed;
  double ElementProbability;

  vtkTypeUInt32 ElementValueSeed;
  double MinValue;
  double MaxValue;
};

#endif