/usr/include/ITK-4.12/itkExpNegativeImageAdaptor.h is in libinsighttoolkit4-dev 4.12.2-dfsg1-1ubuntu1.
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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 itkExpNegativeImageAdaptor_h
#define itkExpNegativeImageAdaptor_h
#include "itkImageAdaptor.h"
#include "itkMath.h"
namespace itk
{
namespace Accessor
{
/** \class ExpNegativePixelAccessor
* \brief Give access to the std::exp() function of a value
*
* ExpNegativePixelAccessor is templated over an internal type and an
* external type representation. This class cast the input
* applies the function to it and cast the result according
* to the types defined as template parameters
*
* \ingroup ImageAdaptors
* \ingroup ITKImageAdaptors
*/
template< typename TInternalType, typename TExternalType >
class ExpNegativePixelAccessor
{
public:
/** External typedef. It defines the external aspect
* that this class will exhibit. */
typedef TExternalType ExternalType;
/** Internal typedef. It defines the internal real
* representation of data. */
typedef TInternalType InternalType;
static inline void Set(TInternalType & output, const TExternalType & input)
{ output = static_cast< TInternalType >( std::exp( -static_cast< double >( input ) ) ); }
static inline TExternalType Get(const TInternalType & input)
{ return static_cast< TExternalType >( std::exp( -static_cast< double >( input ) ) ); }
};
} // end namespace Accessor
/** \class ExpNegativeImageAdaptor
* \brief Presents an image as being composed of the std::exp() of its pixels
*
* Additional casting is performed according to the input and output image
* types following C++ default casting rules.
*
* \ingroup ImageAdaptors
* \ingroup ITKImageAdaptors
*/
template< typename TImage, typename TOutputPixelType >
class ExpNegativeImageAdaptor:public
ImageAdaptor< TImage, Accessor::ExpNegativePixelAccessor<
typename TImage::PixelType,
TOutputPixelType > >
{
public:
/** Standard class typedefs. */
typedef ExpNegativeImageAdaptor Self;
typedef ImageAdaptor<
TImage, Accessor::ExpNegativePixelAccessor<
typename TImage::PixelType, TOutputPixelType > > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(ExpNegativeImageAdaptor, ImageAdaptor);
protected:
ExpNegativeImageAdaptor() {}
virtual ~ExpNegativeImageAdaptor() {}
private:
ITK_DISALLOW_COPY_AND_ASSIGN(ExpNegativeImageAdaptor);
};
} // end namespace itk
#endif
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