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00017 #ifndef __itkTanImageFilter_h
00018 #define __itkTanImageFilter_h
00019
00020 #include "itkUnaryFunctorImageFilter.h"
00021 #include "vnl/vnl_math.h"
00022
00023 namespace itk
00024 {
00025
00031 namespace Function {
00032
00033 template< class TInput, class TOutput>
00034 class Tan
00035 {
00036 public:
00037 Tan() {}
00038 ~Tan() {}
00039 bool operator!=( const Tan & ) const
00040 {
00041 return false;
00042 }
00043 bool operator==( const Tan & other ) const
00044 {
00045 return !(*this != other);
00046 }
00047 inline TOutput operator()( const TInput & A ) const
00048 { return (TOutput)vcl_tan((double)A); }
00049 };
00050 }
00051 template <class TInputImage, class TOutputImage>
00052 class ITK_EXPORT TanImageFilter :
00053 public
00054 UnaryFunctorImageFilter<TInputImage,TOutputImage,
00055 Function::Tan< typename TInputImage::PixelType,
00056 typename TOutputImage::PixelType> >
00057 {
00058 public:
00060 typedef TanImageFilter Self;
00061 typedef UnaryFunctorImageFilter<
00062 TInputImage,TOutputImage,
00063 Function::Tan< typename TInputImage::PixelType,
00064 typename TOutputImage::PixelType> > Superclass;
00065 typedef SmartPointer<Self> Pointer;
00066 typedef SmartPointer<const Self> ConstPointer;
00067
00069 itkNewMacro(Self);
00070
00072 itkTypeMacro(TanImageFilter,
00073 UnaryFunctorImageFilter);
00074
00075 #ifdef ITK_USE_CONCEPT_CHECKING
00076
00077 itkConceptMacro(InputConvertibleToDoubleCheck,
00078 (Concept::Convertible<typename TInputImage::PixelType, double>));
00079 itkConceptMacro(DoubleConvertibleToOutputCheck,
00080 (Concept::Convertible<double, typename TOutputImage::PixelType>));
00081
00083 #endif
00084
00085 protected:
00086 TanImageFilter() {}
00087 virtual ~TanImageFilter() {}
00088
00089 private:
00090 TanImageFilter(const Self&);
00091 void operator=(const Self&);
00092
00093
00094 };
00095
00096 }
00097
00098
00099 #endif
00100