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itkLog10ImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkLog10ImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-10-16 17:40:09 $
00007   Version:   $Revision: 1.23 $
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 __itkLog10ImageFilter_h
00018 #define __itkLog10ImageFilter_h
00019 
00020 #include "itkUnaryFunctorImageFilter.h"
00021 #include "vnl/vnl_math.h"
00022 
00023 namespace itk
00024 {
00025   
00030 namespace Function {  
00031   
00032 template< class TInput, class TOutput>
00033 class Log10
00034 {
00035 public:
00036   Log10() {}
00037   ~Log10() {}
00038   bool operator!=( const Log10 & ) const
00039     {
00040     return false;
00041     }
00042   bool operator==( const Log10 & other ) const
00043     {
00044     return !(*this != other);
00045     }
00046   inline TOutput operator()( const TInput & A )
00047     {
00048     return static_cast<TOutput>( vcl_log10( static_cast<double>( A ) ) );
00049     }
00050 }; 
00051 }
00052 template <class TInputImage, class TOutputImage>
00053 class ITK_EXPORT Log10ImageFilter :
00054     public
00055 UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00056                         Function::Log10< 
00057   typename TInputImage::PixelType, 
00058   typename TOutputImage::PixelType>   >
00059 {
00060 public:
00062   typedef Log10ImageFilter                                Self;
00063   typedef UnaryFunctorImageFilter<
00064     TInputImage,TOutputImage, 
00065     Function::Log10< typename TInputImage::PixelType, 
00066                      typename TOutputImage::PixelType> >  Superclass;
00067   typedef SmartPointer<Self>                              Pointer;
00068   typedef SmartPointer<const Self>                        ConstPointer;
00069 
00071   itkNewMacro(Self);
00072 
00074   itkTypeMacro(Log10ImageFilter, 
00075                UnaryFunctorImageFilter);
00076 
00077 #ifdef ITK_USE_CONCEPT_CHECKING
00078 
00079   itkConceptMacro(InputConvertibleToDoubleCheck,
00080     (Concept::Convertible<typename TInputImage::PixelType, double>));
00081   itkConceptMacro(DoubleConvertibleToOutputCheck,
00082     (Concept::Convertible<double, typename TOutputImage::PixelType>));
00083 
00085 #endif
00086 
00087 protected:
00088   Log10ImageFilter() {}
00089   virtual ~Log10ImageFilter() {}
00090 
00091 private:
00092   Log10ImageFilter(const Self&); //purposely not implemented
00093   void operator=(const Self&); //purposely not implemented
00094 
00095 
00096 };
00097 
00098 } // end namespace itk
00099 
00100 
00101 #endif
00102 

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