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00017 #ifndef __itkNaryAddImageFilter_h
00018 #define __itkNaryAddImageFilter_h
00019
00020 #include "itkNaryFunctorImageFilter.h"
00021 #include "itkNumericTraits.h"
00022
00023 namespace itk
00024 {
00025
00055 namespace Functor {
00056
00057 template< class TInput, class TOutput >
00058 class Add1
00059 {
00060 public:
00061 typedef typename NumericTraits< TInput >::AccumulateType AccumulatorType;
00062 Add1() {}
00063 ~Add1() {}
00064 inline TOutput operator()( const std::vector< TInput > & B) const
00065 {
00066 AccumulatorType sum = NumericTraits< TOutput >::Zero;
00067 for( unsigned int i=0; i< B.size(); i++ )
00068 {
00069 sum += static_cast< TOutput >(B[i]);
00070 }
00071 return static_cast<TOutput>( sum );
00072 }
00073 bool operator== (const Add1&) const
00074 {
00075 return true;
00076 }
00077 bool operator!= (const Add1&) const
00078 {
00079 return false;
00080 }
00081 };
00082 }
00083 template <class TInputImage, class TOutputImage>
00084 class ITK_EXPORT NaryAddImageFilter :
00085 public
00086 NaryFunctorImageFilter<TInputImage,TOutputImage,
00087 Functor::Add1<typename TInputImage::PixelType, typename TInputImage::PixelType > >
00088 {
00089 public:
00091 typedef NaryAddImageFilter Self;
00092 typedef NaryFunctorImageFilter<
00093 TInputImage,TOutputImage,
00094 Functor::Add1<typename TInputImage::PixelType,
00095 typename TInputImage::PixelType> >
00096 Superclass;
00097 typedef SmartPointer<Self> Pointer;
00098 typedef SmartPointer<const Self> ConstPointer;
00099
00101 itkNewMacro(Self);
00102
00104 itkTypeMacro(NaryAddImageFilter,
00105 NaryFunctorImageFilter);
00106
00107 #ifdef ITK_USE_CONCEPT_CHECKING
00108
00109 itkConceptMacro(InputConvertibleToOutputCheck,
00110 (Concept::Convertible<typename TInputImage::PixelType,
00111 typename TOutputImage::PixelType>));
00112 itkConceptMacro(InputHasZeroCheck,
00113 (Concept::HasZero<typename TInputImage::PixelType>));
00114
00116 #endif
00117
00118 protected:
00119 NaryAddImageFilter() {}
00120 virtual ~NaryAddImageFilter() {}
00121
00122 private:
00123 NaryAddImageFilter(const Self&);
00124 void operator=(const Self&);
00125
00126 };
00127
00128 }
00129
00130
00131 #endif
00132