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

  Program:   Visualization Toolkit
  Module:    vtkFunctionSet.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.

=========================================================================*/
#ifndef vtkFunctionSet_h
#define vtkFunctionSet_h

#include "vtkCommonMathModule.h" // For export macro
#include "vtkObject.h"

class VTKCOMMONMATH_EXPORT vtkFunctionSet : public vtkObject
{
public:
  vtkTypeMacro(vtkFunctionSet,vtkObject);
  virtual void PrintSelf(ostream& os, vtkIndent indent);

  virtual int FunctionValues(double* x, double* f) = 0;


  virtual int GetNumberOfFunctions() {
    return this->NumFuncs; }


  virtual int GetNumberOfIndependentVariables() {
    return this->NumIndepVars; }

protected:
  vtkFunctionSet();
  ~vtkFunctionSet() {}

  int NumFuncs;
  int NumIndepVars;

private:
  vtkFunctionSet(const vtkFunctionSet&);  // Not implemented.
  void operator=(const vtkFunctionSet&);  // Not implemented.
};

#endif