ITK  5.2.0
Insight Toolkit
itkExpImageFilter.h
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3  * Copyright NumFOCUS
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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14  * See the License for the specific language governing permissions and
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18 #ifndef itkExpImageFilter_h
19 #define itkExpImageFilter_h
20 
22 #include "itkMath.h"
23 
24 namespace itk
25 {
26 namespace Functor
27 {
33 template <typename TInput, typename TOutput>
34 class Exp
35 {
36 public:
37  Exp() = default;
38  ~Exp() = default;
39  bool
40  operator!=(const Exp &) const
41  {
42  return false;
43  }
45 
46  bool
47  operator==(const Exp & other) const
48  {
49  return !(*this != other);
50  }
51 
52  inline TOutput
53  operator()(const TInput & A) const
54  {
55  return static_cast<TOutput>(std::exp(static_cast<double>(A)));
56  }
57 };
58 } // namespace Functor
59 
71 template <typename TInputImage, typename TOutputImage>
72 class ExpImageFilter : public UnaryGeneratorImageFilter<TInputImage, TOutputImage>
73 {
74 public:
75  ITK_DISALLOW_COPY_AND_ASSIGN(ExpImageFilter);
76 
83 
85  itkNewMacro(Self);
86 
89 
90 #ifdef ITK_USE_CONCEPT_CHECKING
91  // Begin concept checking
94  // End concept checking
95 #endif
96 
97 protected:
99  {
100 #if !defined(ITK_WRAPPING_PARSER)
102 #endif
103  }
104 
105  ~ExpImageFilter() override = default;
106 };
107 } // end namespace itk
108 
109 #endif
itk::ExpImageFilter::ExpImageFilter
ExpImageFilter()
Definition: itkExpImageFilter.h:98
itk::ExpImageFilter::~ExpImageFilter
~ExpImageFilter() override=default
itk::UnaryGeneratorImageFilter::SetFunctor
void SetFunctor(const std::function< ConstRefFunctionType > &f)
Definition: itkUnaryGeneratorImageFilter.h:92
itk::ExpImageFilter::FunctorType
Functor::Exp< typename TInputImage::PixelType, typename TOutputImage::PixelType > FunctorType
Definition: itkExpImageFilter.h:82
itk::UnaryGeneratorImageFilter
Implements pixel-wise generic "operation" on one image.
Definition: itkUnaryGeneratorImageFilter.h:55
itk::SmartPointer< Self >
itkUnaryGeneratorImageFilter.h
itk::Functor::Exp::~Exp
~Exp()=default
itk::Functor::Exp::Exp
Exp()=default
itk::ImageSource
Base class for all process objects that output image data.
Definition: itkImageSource.h:67
itk::ExpImageFilter
Computes the exponential function of each pixel.
Definition: itkExpImageFilter.h:72
itk::Functor::Exp::operator==
bool operator==(const Exp &other) const
Definition: itkExpImageFilter.h:47
itkConceptMacro
#define itkConceptMacro(name, concept)
Definition: itkConceptChecking.h:64
itk
The "itk" namespace contains all Insight Segmentation and Registration Toolkit (ITK) classes....
Definition: itkAnnulusOperator.h:24
itk::ProcessObject
The base class for all process objects (source, filters, mappers) in the Insight data processing pipe...
Definition: itkProcessObject.h:138
itk::Concept::Convertible
Definition: itkConceptChecking.h:214
itk::Functor::Exp::operator!=
bool operator!=(const Exp &) const
Definition: itkExpImageFilter.h:40
itk::Functor::Exp
Definition: itkExpImageFilter.h:34
itkMath.h
itk::Functor::Exp::operator()
TOutput operator()(const TInput &A) const
Definition: itkExpImageFilter.h:53