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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 ) const
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&);
00093 void operator=(const Self&);
00094
00095
00096 };
00097
00098 }
00099
00100
00101 #endif
00102