ITK  5.0.0
Insight Segmentation and Registration Toolkit
itkExpImageFilter.h
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3  * Copyright Insight Software Consortium
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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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 operator!=(const Exp &) const
40  {
41  return false;
42  }
44 
45  bool operator==(const Exp & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput & A) const
51  {
52  return static_cast<TOutput>( std::exp( static_cast<double>( A ) ) );
53  }
54 };
55 }
56 
67 template< typename TInputImage, typename TOutputImage >
69  public
70  UnaryGeneratorImageFilter< TInputImage, TOutputImage >
71 {
72 public:
73  ITK_DISALLOW_COPY_AND_ASSIGN(ExpImageFilter);
74 
80  using FunctorType = Functor::Exp< typename TInputImage::PixelType,
81  typename TOutputImage::PixelType >;
82 
84  itkNewMacro(Self);
85 
87  itkTypeMacro(ExpImageFilter,
89 
90 #ifdef ITK_USE_CONCEPT_CHECKING
91  // Begin concept checking
92  itkConceptMacro( InputConvertibleToDoubleCheck,
94  itkConceptMacro( DoubleConvertibleToOutputCheck,
96  // End concept checking
97 #endif
98 
99 protected:
101  {
102 #if !defined( ITK_WRAPPING_PARSER )
104 #endif
105  }
106 
107  ~ExpImageFilter() override = default;
108 };
109 } // end namespace itk
110 
111 #endif
TOutput operator()(const TInput &A) const
~ExpImageFilter() override=default
The base class for all process objects (source, filters, mappers) in the Insight data processing pipe...
Base class for all process objects that output image data.
void SetFunctor(const std::function< ConstRefFunctionType > &f)
bool operator!=(const Exp &) const
Computes the exponential function of each pixel.
Functor::Exp< typename TInputImage::PixelType, typename TOutputImage::PixelType > FunctorType
#define itkConceptMacro(name, concept)
bool operator==(const Exp &other) const
Implements pixel-wise generic &quot;operation&quot; on one image.