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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 )
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<TInputImage,TOutputImage,
00062 Function::Tan< typename TInputImage::PixelType,
00063 typename TOutputImage::PixelType> > Superclass;
00064 typedef SmartPointer<Self> Pointer;
00065 typedef SmartPointer<const Self> ConstPointer;
00066
00068 itkNewMacro(Self);
00069
00070 #ifdef ITK_USE_CONCEPT_CHECKING
00071
00072 itkConceptMacro(InputConvertibleToDoubleCheck,
00073 (Concept::Convertible<typename TInputImage::PixelType, double>));
00074 itkConceptMacro(DoubleConvertibleToOutputCheck,
00075 (Concept::Convertible<double, typename TOutputImage::PixelType>));
00076
00078 #endif
00079
00080 protected:
00081 TanImageFilter() {}
00082 virtual ~TanImageFilter() {}
00083
00084 private:
00085 TanImageFilter(const Self&);
00086 void operator=(const Self&);
00087
00088
00089 };
00090
00091 }
00092
00093
00094 #endif
00095