/usr/include/ITK-4.9/itkSingleValuedCostFunction.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
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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 itkSingleValuedCostFunction_h
#define itkSingleValuedCostFunction_h
#include "itkCostFunction.h"
#include "itkNumericTraits.h"
#include "ITKOptimizersExport.h"
namespace itk
{
/** \class SingleValuedCostFunction
* \brief This class is a base for the CostFunctions returning a
* single value
*
* \ingroup Numerics Optimizers
* \ingroup ITKOptimizers
*/
class ITKOptimizers_EXPORT SingleValuedCostFunction:
public CostFunction
{
public:
/** Standard class typedefs. */
typedef SingleValuedCostFunction Self;
typedef CostFunction Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(SingleValuedCostFunction, CostFunction);
/** MeasureType typedef.
* It defines a type used to return the cost function value. */
typedef double MeasureType;
/** ParametersType typedef.
* It defines a position in the optimization search space. */
typedef Superclass::ParametersType ParametersType;
typedef Superclass::ParametersValueType ParametersValueType;
/** DerivativeType typedef.
* It defines a type used to return the cost function derivative. */
typedef Array< ParametersValueType > DerivativeType;
/** This method returns the value of the cost function corresponding
* to the specified parameters. */
virtual MeasureType GetValue(const ParametersType & parameters) const = 0;
/** This method returns the derivative of the cost function corresponding
* to the specified parameters. */
virtual void GetDerivative(const ParametersType & parameters,
DerivativeType & derivative) const = 0;
/** This method returns the value and derivative of the cost function corresponding
* to the specified parameters */
virtual void GetValueAndDerivative(const ParametersType & parameters,
MeasureType & value,
DerivativeType & derivative) const;
protected:
SingleValuedCostFunction() {}
virtual ~SingleValuedCostFunction();
private:
SingleValuedCostFunction(const Self &) ITK_DELETE_FUNCTION;
void operator=(const Self &) ITK_DELETE_FUNCTION;
};
} // end namespace itk
#endif
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