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itkExpImageAdaptor.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkExpImageAdaptor.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:07 $ 00007 Version: $Revision: 1.11 $ 00008 00009 Copyright (c) Insight Software Consortium. All rights reserved. 00010 See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. 00011 00012 This software is distributed WITHOUT ANY WARRANTY; without even 00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00014 PURPOSE. See the above copyright notices for more information. 00015 00016 =========================================================================*/ 00017 #ifndef __itkExpImageAdaptor_h 00018 #define __itkExpImageAdaptor_h 00019 00020 #include <itkImageAdaptor.h> 00021 #include "vnl/vnl_math.h" 00022 00023 namespace itk 00024 { 00025 00026 namespace Accessor { 00037 template <class TInternalType, class TExternalType > 00038 class ITK_EXPORT ExpPixelAccessor 00039 { 00040 public: 00043 typedef TExternalType ExternalType; 00044 00047 typedef TInternalType InternalType; 00048 00049 static inline void Set(TInternalType & output, const TExternalType & input) 00050 {output = (TInternalType)exp((double)input);} 00051 00052 static inline TExternalType Get( const TInternalType & input ) 00053 {return (TExternalType)exp((double)input);} 00054 00055 }; 00056 00057 } // end namespace Accessor 00058 00067 template <class TImage, class TOutputPixelType> 00068 class ITK_EXPORT ExpImageAdaptor : public 00069 ImageAdaptor<TImage,Accessor::ExpPixelAccessor< 00070 typename TImage::PixelType, 00071 TOutputPixelType> > 00072 { 00073 public: 00075 typedef ExpImageAdaptor Self; 00076 typedef ImageAdaptor<TImage,Accessor::ExpPixelAccessor< 00077 typename TImage::PixelType, 00078 TOutputPixelType> > Superclass; 00079 typedef SmartPointer<Self> Pointer; 00080 typedef SmartPointer<const Self> ConstPointer; 00081 00083 itkNewMacro(Self); 00084 00086 itkTypeMacro( ExpImageAdaptor, ImageAdaptor ); 00087 00088 protected: 00089 ExpImageAdaptor() {} 00090 virtual ~ExpImageAdaptor() {} 00091 00092 private: 00093 ExpImageAdaptor(const Self&); //purposely not implemented 00094 void operator=(const Self&); //purposely not implemented 00095 }; 00096 00097 } // end namespace itk 00098 00099 #endif

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