itkCostFunction.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkCostFunction_h
#define __itkCostFunction_h

#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkArray.h"
#include "itkOptimizerParameters.h"

namespace itk
{
class ITK_EXPORT CostFunction:public Object
{
public:
  typedef CostFunction               Self;
  typedef Object                     Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  itkTypeMacro(CostFunction, Object);

  typedef double                                     ParametersValueType;
  typedef OptimizerParameters< ParametersValueType > ParametersType;

  virtual unsigned int GetNumberOfParameters(void) const  = 0;

protected:
  CostFunction() {}
  virtual ~CostFunction() {}
  void PrintSelf(std::ostream & os, Indent indent) const;

private:
  CostFunction(const Self &);   //purposely not implemented
  void operator=(const Self &); //purposely not implemented
};
} // end namespace itk

#endif