/usr/include/ITK-4.5/itkCostFunction.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 CostFunction
* \brief Base class for cost functions intended to be used with Optimizers.
*
* \ingroup Numerics Optimizers
*
* \ingroup ITKOptimizers
*/
template< typename TInternalComputationValueType >
class CostFunctionTemplate:public Object
{
public:
/** Standard class typedefs. */
typedef CostFunctionTemplate Self;
typedef Object Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(CostFunctionTemplate, Object);
/** ParametersType typedef.
* It defines a position in the optimization search space. */
typedef TInternalComputationValueType ParametersValueType;
typedef OptimizerParameters< TInternalComputationValueType > ParametersType;
/** Return the number of parameters required to compute
* this cost function.
* This method MUST be overloaded by derived classes. */
virtual unsigned int GetNumberOfParameters(void) const = 0;
protected:
CostFunctionTemplate() {}
virtual ~CostFunctionTemplate() {}
void PrintSelf(std::ostream & os, Indent indent) const;
private:
CostFunctionTemplate(const Self &); //purposely not implemented
void operator=(const Self &); //purposely not implemented
};
/** This helps to meet backward compatibility */
typedef CostFunctionTemplate<double> CostFunction;
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkCostFunction.hxx"
#endif
#endif
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